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US20130142809A1 - METHODS OF TREATMENT USING AN IFN gamma INHIBITOR - Google Patents

METHODS OF TREATMENT USING AN IFN gamma INHIBITOR Download PDF

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US20130142809A1
US20130142809A1 US13/683,684 US201213683684A US2013142809A1 US 20130142809 A1 US20130142809 A1 US 20130142809A1 US 201213683684 A US201213683684 A US 201213683684A US 2013142809 A1 US2013142809 A1 US 2013142809A1
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ifn
patient
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Andrew A. Welcher
Michael J. Boedigheimer
James B. Chung
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Amgen Inc
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Priority to US13/683,684 priority Critical patent/US20130142809A1/en
Assigned to AMGEN INC. reassignment AMGEN INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WELCHER, ANDREW A., BOEDIGHEIMER, MICHAEL J., CHUNG, JAMES B.
Publication of US20130142809A1 publication Critical patent/US20130142809A1/en
Priority to US14/862,096 priority patent/US20160046709A1/en
Assigned to AMGEN INC. reassignment AMGEN INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WELCHER, ANDREW A., BOEDIGHEIMER, MICHAEL J., CHUNG, JAMES B.
Priority to US15/693,160 priority patent/US11230597B2/en
Priority to US17/551,098 priority patent/US20220144933A1/en
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Definitions

  • This invention is in the field of methods of patient stratification and methods treatment using an interferon gamma (IFN- ⁇ ) inhibitor, as well as uses of IFN- ⁇ inhibitors.
  • IFN- ⁇ interferon gamma
  • IFN- ⁇ plays an important role in regulating the immune system. It is a cytokine with pleiotropic effects and is thought to play a role in mediating various autoimmune diseases, as well as immune responses to infectious agents and cancer cells. See, e.g., Heremans et al., Develop. Biol. Standard., 71: 113-119, in Symposium on Monoclonal Antibodies for Therapy, Prevention and in vivo diagnosis of human disease, Ultrecht, The Netherlands, 1989, S. Karger, Basel, 1990. Comparatively recent analyses of RNA and protein levels have yielded detailed information concerning the identities of collections of genes that are over- and under-expressed in biological samples from patients suffering from autoimmune diseases.
  • type I i.e., IFN ⁇ , IFN ⁇ , IFN ⁇ , IFN ⁇ , and IFN ⁇
  • type II i.e., IFN- ⁇
  • interferon-induced genes are overexpressed.
  • Type I and type II interferons affect expression of a distinct, but overlapping, set of genes, and such effects may vary depending on the tissue examined. See, e.g., van Baarsen et al. (2006), Genes and Immunity 7: 522-531 and Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615.
  • IFN- ⁇ inhibitors are episodic in nature and have variable clinical manifestations, and possibly also variable etiologies. Some of these diseases have long asymptomatic periods between symptoms or prior to the onset of symptoms. There is a need to determine whether a patient is a candidate for a particular treatment and/or whether an ongoing treatment is having the desired effects. Because of the biological variations between patients who are clinically diagnosed as having the same disease, it is possible that IFN- ⁇ inhibitors may be efficacious for some patients having a particular disease and not for others.
  • Methods provided herein utilize current technologies for assessing gene expression at the RNA and protein levels to provide more refined and effective methods of treatment using inhibitors of IFN- ⁇ , of identifying optimal doses, and of identifying individuals who are likely to respond to treatment, and/or who are or are not responding to treatment.
  • Described herein are methods of treatment that include administration of an IFN- ⁇ inhibitor to a patient and determination of levels of one or more biomarkers in a biological sample from the patient before and/or after administration of the IFN- ⁇ inhibitor so as to assess the suitability as a treatment or the biological effects of the IFN- ⁇ inhibitor. Such methods can inform decisions as to whether to initiate or continue treatment with an IFN- ⁇ inhibitor. Also described are methods for distinguishing patients likely to benefit from treatment with an IFN- ⁇ inhibitor from those unlikely to benefit by assessing the levels of one or more biomarkers in a biological sample from a patient as compared to the levels of the same biomarkers in biological samples from a healthy control group. Further described herein are methods of treatment that include the use of doses of an anti-IFN- ⁇ antibody within a specified range and/or at a specified frequency of dosing.
  • a method of treating a patient suffering from an IFN- ⁇ -mediated disease comprising administering to the patient a monoclonal anti-human interferon gamma (anti-huIFN- ⁇ ) antibody at a dose, which can be from about 15 mg (mg) to about 300 mg or from about 30, 40, 50, or 60 mg to about 80, 120, 180, 200, 250, 300 or 400 mg, wherein expression at the RNA or protein level of one or more gene(s) listed in Table 1, 2, 4, 5, and/or 6 in a biological sample from the patient taken before the antibody is administered deviates from expression of that gene(s) in a control biological sample in a direction consistent with excess IFN- ⁇ .
  • a monoclonal anti-human interferon gamma (anti-huIFN- ⁇ ) antibody at a dose, which can be from about 15 mg (mg) to about 300 mg or from about 30, 40, 50, or 60 mg to about 80, 120, 180, 200, 250, 300 or 400 mg, wherein expression at the
  • a monoclonal anti-huIFN- ⁇ antibody as a medicament to treat a patient suffering from an IFN- ⁇ -mediated disease
  • the dose of the antibody administered is from about 15, 30, 40, 50, or 60 milligrams to about 80, 120, 180, 200, 250, or 300 milligrams and wherein expression at the RNA or protein level of one or more gene(s) listed in Table 1, 2, 4, 5, and/or 6 in a biological sample taken from the patient taken before the antibody is administered deviates from expression of that gene(s) in a control biological sample in a direction consistent with excess IFN- ⁇ .
  • the biological sample from the patient can exhibit expression of one or more of the following human genes at the RNA or protein level that deviates from expression in the control biological sample in a direction consistent with excess IFN- ⁇ : indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), lymphatic vessel end
  • the biological sample from the patient can exhibit elevated expression at the RNA or protein level of GBP1 as compared to expression in the control biological sample.
  • the IFN- ⁇ -mediated disease can be systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, psoriasis, or an inflammatory bowel disease, including Crohn's disease and ulcerative colitis.
  • the dose of the anti-huIFN- ⁇ antibody can be from about 40 mg or 60 mg to about 300 mg, from about 20 mg or 80 mg to about 200 or 250 mg, from about 60 or 100 mg to about 180 mg, or about 40, 50, 60, 70, 80, 90, 100, 120, 150, or 180 mg.
  • the anti-huIFN- ⁇ antibody can be administered subcutaneously or intravenously.
  • a gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • a method for treating a patient having an IFN- ⁇ -mediated disease for example SLE or an inflammatory bowel disease, with an IFN- ⁇ inhibitor comprising: (a) determining the level(s) of expression in a biological sample from the patient of one or more genes listed in Tables 1, 2, 4, 5, and/or 6 at the RNA or protein level, wherein level of expression of the same gene(s) in a control biological sample is known or determined; (b) comparing the level(s) of expression of the gene(s) in the biological sample from the patient and in the control biological sample; and (c) if the level(s) of expression of the gene(s) in the biological sample from the patient deviate from the levels of expression of the gene(s) in the control biological sample in a direction consistent with excess IFN- ⁇ , administering to the patient a therapeutically effective dose of an IFN- ⁇ inhibitor.
  • an IFN- ⁇ inhibitor as a medicament to treat a patient having an IFN- ⁇ -mediated disease, for example SLE or an inflammatory bowel disease, (a) wherein the level(s) of expression in a biological sample from the patient of one or more gene(s) listed in Tables 1, 2, 4, 5, and/or 6 at the RNA or protein level is determined, (b) wherein the level(s) of expression of the same gene(s) in a control biological sample is known or determined, (c) wherein the level(s) of expression of the same gene(s) in the biological sample from the patient and the control biological sample are compared, and (d) wherein if the level(s) of expression of the gene(s) in the biological sample from the patient deviate from the levels of expression of the gene(s) in the control biological sample in a direction consistent with excess IFN- ⁇ , a therapeutically effective dose of the IFN- ⁇ inhibitor is administered.
  • an IFN- ⁇ -mediated disease for example SLE or an inflammatory bowel disease
  • the one or more genes listed in Tables 1, 2, 4, 5, and/or 6 of (a) can include at least about 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, or 40 genes.
  • the IFN- ⁇ inhibitor can be a human or humanized anti-huIFN- ⁇ antibody.
  • the dose of the anti-huIFN- ⁇ antibody administered can be from about 15, 30, or 60 mg to about 300 mg, from about 20, 40, or 80 mg to about 250 mg, or from about 40, 50, or 60 mg to about 120, 150, 180 or 200 mg.
  • the patient can have discoid lupus, lupus nephritis, psoriasis, ulcerative colitis, or Crohn's disease.
  • the biological sample from the patient can exhibit expression of one or more of the following genes at the RNA or protein level that deviates from expression in the control biological sample in a direction consistent with excess IFN- ⁇ : indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), lymphatic vessel endo
  • the IFN- ⁇ inhibitor can be an anti-huIFN- ⁇ antibody that has a heavy chain complementarity determining region 1 (CDR1) comprising the amino acid sequence of SEQ ID NO:34, a heavy chain complementarity determining region 2 (CDR2) comprising the amino acid sequence of SEQ ID NO:35, a heavy chain complementarity determining region 3 (CDR3) comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44.
  • the one or more genes listed in Tables 1, 2, 4, 5, and/or 6 of (a) can include at least about 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, or 40 genes.
  • the one or more genes can be from Table 1, 2, 4, 5, or 6.
  • described herein is a use of an IFN- ⁇ inhibitor as a medicament for treating a patient having an IFN- ⁇ -mediated disease, wherein the level(s) of expression in a biological sample from the patient of one or more of one of the genes listed in Table 1, 2, 4, 5, and/or 6 is determined at the RNA or protein level, wherein the level(s) of expression of the same gene(s) in a control biological sample is known or determined; wherein the level(s) of expression of the gene(s) in the biological sample from the patient and in the control biological sample are compared; and wherein if the level(s) of expression of the gene(s) in the biological sample from the patient deviate from the level(s) in the control biological sample in a direction consistent with excess IFN
  • the IFN- ⁇ inhibitor can be an anti-human IFN- ⁇ antibody, for example an antibody comprising the amino acid sequences of SEQ ID NOs: 6 and 8, 10 and 12, 14, and 16, 14 and 31, or 30 and 12.
  • the therapeutically effective dose can be from 60 mg to 500 mg, from 80 mg to 400 mg, from 100 mg to 350 mg, from 60 mg to 180 mg, or from 120 mg to 300 mg.
  • the IFN- ⁇ -mediated disease can be SLE including discoid lupus and lupus nephritis, an inflammatory bowel disease including Crohn's disease and ulcerative colitis, or psoriasis, among other IFN- ⁇ -mediated diseases disclosed herein.
  • the gene(s) can include one or more of the following genes: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1), serpin peptidase inhibitor clade B (ov
  • a method for treating a patient suffering from an IFN- ⁇ -mediated disease comprising: (a) determining the level(s) of expression at the RNA or protein level in a biological sample from the patient of one or more of the genes in Table 1, 2, 4, 5, and/or 6; (b) then administering to the patient a pharmacodynamically effective dose of an IFN- ⁇ inhibitor, for example an anti-huIFN- ⁇ antibody; (c) then determining the level of expression of the gene(s) of step (a) in a biological sample from the patient; and (d) if the level(s) of expression of the gene(s) determined in step (c), as compared to the level(s) of expression determined in step (a), is modulated in a direction consistent with inhibition of IFN- ⁇ , then continuing treatment of the patient with another pharmacodynamically effective dose of the IFN- ⁇ inhibitor.
  • an IFN- ⁇ inhibitor for example an anti-huIFN- ⁇ antibody
  • the one or more genes listed in Tables 1, 2, 4, 5, and/or 6 of (a) can include at least about 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, or 40 genes.
  • an IFN- ⁇ inhibitor antibody for example an anti-huIFN- ⁇ antibody
  • a pharmacodynamically effective dose of the IFN- ⁇ inhibitor is administered to the patient
  • the level(s) of expression of the gene(s) of step (a) in a biological sample from the patient is determined
  • (d) if the level(s) of expression of the gene(s) determined in step (c), as compared to the level(s) of expression determined in step (a) is modulated in a direction consistent with inhibition of
  • the pharmacodynamically effective dose can be from about 15, 30, or 60 mg to about 300 mg, from about 20, 40, or 80 mg to about 250 mg, or from about 60 mg to about 180 or 220 mg.
  • the IFN- ⁇ -mediated disease can be selected from the group consisting of SLE, lupus nephritis, discoid lupus, psoriasis, and inflammatory bowel diseases including ulcerative colitis and Crohn's disease.
  • the human genes whose level(s) of expression are determined in (a) and (c) can be selected from the group consisting of: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1)
  • a method for treating a patient suffering from an IFN- ⁇ -mediated disease for example SLE, lupus nephritis, discoid lupus, psoriasis, or an inflammatory bowel disease, with an IFN- ⁇ inhibitor, for example an anti-huIFN- ⁇ antibody, comprising the following steps: (a) determining the level(s) of expression at the RNA or protein level of one or more genes listed in Tables 1, 2, 4, 5, and/or 6 in a biological sample from the patient; (b) thereafter administering a pharmacodynamically effective dose of the IFN- ⁇ inhibitor to the patient; (c) thereafter determining the level(s) of expression of the gene(s) of (a) in a second biological sample from the patient; and (d) if the level(s) of expression of the gene(s) in second biological sample of (c) is substantially the same as that in the biological sample of (a) or if the level of expression of the gene(s) in second biological
  • an IFN- ⁇ inhibitor for example an anti-huIFN- ⁇ antibody
  • a pharmacodynamically effective dose of the IFN- ⁇ inhibitor can be administered to the patient;
  • a pharmacodynamically effective dose of the IFN- ⁇ inhibitor can be administered to the patient;
  • the level(s) of expression of the gene(s) of (a) in a second biological sample from the patient can be determined; and
  • the level(s) of expression of the gene(s) in second biological sample of (c) is substantially the same as that in the biological sample of (a) or if the level of expression of the gene(s) in second biological sample of (c) deviates from the level of expression in the biological sample of (a) in a direction that is consistent with an excess of IFN- ⁇ ,
  • the one or more genes listed in Tables 1, 2, 4, 5, and/or 6 of (a) can include at least about 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, or 40 genes.
  • the IFN- ⁇ inhibitor is an anti-huIFN- ⁇ antibody
  • the pharmacodynamically effective dose can be from about 15, 30, or 60 mg to about 80, 100, 120, 150, 200, 250, or 300 mg, from about 20, 40, or 80 mg to about 90, 100, 120, 150, 180, or 250 mg, or from about 60 mg to about 180 or 220 mg.
  • the patient can be suffering from systemic lupus erythematosus, lupus nephritis and/or discoid lupus.
  • the patient can be suffering from psoriasis or an inflammatory bowel disease, including Crohn's disease or ulcerative colitis.
  • the genes whose level(s) of expression are determined in (a) and (c) can be selected from the group consisting of: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL
  • any of the methods or uses described above or below that utilize an anti-huIFN- ⁇ antibody can utilize an anti-huIFN- ⁇ antibody which can have a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44.
  • a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34
  • a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35
  • a heavy chain CDR3 compris
  • the heavy chain CDR3 can comprise the amino acid sequence of SEQ ID NO:36
  • the light chain CDR1 can comprise the amino acid sequence of SEQ ID NO:38
  • the light chain CDR2 can comprise the amino acid sequence of SEQ ID NO:41
  • the light chain CDR3 can comprise the amino acid sequence of SEQ ID NO:43.
  • the heavy chain variable region of the antibody can comprise the amino acid sequence of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30
  • the light chain variable region of the antibody can comprise the amino acid sequence of SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31.
  • the heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:6, and the light chain variable region comprises the amino acid sequence of SEQ ID NO:8.
  • the heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:10, and the light chain variable region can comprise the amino acid sequence of SEQ ID NO:12.
  • the heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:14, and the light chain variable region can comprise the amino acid sequence of SEQ ID NO:16.
  • the heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:30, and the light chain variable region can comprise the amino acid sequence of SEQ ID NO:12.
  • the heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:14, and the light chain variable region can comprise the amino acid sequence of SEQ ID NO:31.
  • the anti-huIFN- ⁇ antibody can be a human, humanized, or chimeric antibody of the IgG, IgM, IgE, IgD, or IgA isotype.
  • the anti-huIFN- ⁇ antibody can be an IgG1, IgG2, IgG3, or IgG4 antibody.
  • a method for treating a patient suffering from an IFN- ⁇ -mediated disease comprising administering to the patient a dose of an anti-IFN- ⁇ antibody such that the concentration of total IFN- ⁇ protein in the patient's serum is maintained at a plateau concentration for at least about two weeks following administration of the antibody, wherein the antibody comprises the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8.
  • the dose can comprise at least about 20, 40, 60, or 80 milligrams and not more than 100, 200, 300, 400, or 500 milligrams of an anti-IFN- ⁇ antibody.
  • the plateau concentration can be maintained for at least about 3, 4, 5, 6, or 8 weeks after the antibody is administered.
  • the plateau concentration of IFN- ⁇ protein in the patient's blood can be from about 100 pg/mL to about 2000 pg/mL and/or at least about 200 or 300 pg/mL.
  • the anti-IFN- ⁇ antibody can comprise a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44.
  • the anti-IFN- ⁇ antibody can comprise the amino acid sequences of SEQ ID NOs: 6 and 8, SEQ ID NOs: 10 and 12, SEQ ID NOs: 14 and 16, SEQ ID NOs: 30 and 12, or SEQ ID NOs: 14 and 31.
  • the dose of the anti-IFN- ⁇ antibody can be at least about 20, 40, 60, 80, 100, 150, 180, 200, 220, or 250 mg and/or not more than 180, 200, 220, 240, 260, 280, 300, 350, 400, 450, or 500 mg and can be administered subcutaneously or intravenously.
  • the level of IFN- ⁇ in the patient's serum can remain above about 100, 200, 250, 300, or 350 picograms per milliliter for at least about 14, 16, 18, 20, 25, 30, 35, 40, 45, or 50 days subsequent to a single dose.
  • the IFN- ⁇ -mediated disease can be psoriasis, SLE, lupus nephritis, discoid lupus, or an inflammatory bowel disease such as Crohn's disease or ulcerative colitis.
  • a gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • a method for identifying a patient that can benefit from treatment with an IFN- ⁇ inhibitor comprising the following steps: obtaining a biological sample from the patient; determining the levels of IFN- ⁇ protein in the biological sample; and comparing the levels of IFN- ⁇ protein in the biological sample from the patient with the levels determined in a control biological sample; wherein if the levels of total IFN- ⁇ protein in the biological sample from the patient are higher than those in the control biological sample, then the patient is identified as a patient that may benefit from treatment with an IFN- ⁇ inhibitor; and wherein if the levels of IFN- ⁇ protein in the biological sample from the patient are lower than or the same as those in the control biological sample, then the patient is identified as a patient that may not benefit from treatment with an IFN- ⁇ inhibitor.
  • the levels of IFN- ⁇ protein determined can be the levels of total IFN- ⁇ protein, meaning the total of free and bound IFN- ⁇ protein.
  • the IFN- ⁇ inhibitor can be an anti-IFN- ⁇ antibody.
  • the anti-IFN- ⁇ antibody can comprise a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44.
  • the anti-IFN- ⁇ antibody can comprise the amino acid sequences of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31.
  • a gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • a method for treating an IFN- ⁇ -mediated disease comprising administering a dose of an IFN- ⁇ inhibitor such that the concentration of total IFN- ⁇ protein in serum is maintained at a plateau concentration for at least about two, three, four, five, six, seven, eight, nine, or ten weeks after administration.
  • the plateau concentration of total IFN- ⁇ protein in serum can be from about 200 to about 2000 picograms per milliliter (pg/mL).
  • the plateau concentration of total IFN- ⁇ protein in serum can be at least about 250, 300, or 350 pg/mL and/or not more than 600, 800, 1000, or 1500 pg/mL.
  • the IFN- ⁇ inhibitor can be a protein that binds to IFN- ⁇ , for example, an anti-IFN- ⁇ antibody.
  • the anti-IFN- ⁇ antibody can comprise a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44.
  • the anti-IFN- ⁇ antibody can comprise the amino acid sequences of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31.
  • Further doses of the IFN- ⁇ inhibitor can be administered at a frequency that maintains a serum concentration of total IFN- ⁇ that is at least half of the plateau concentration.
  • a gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • a method of determining a suitable dose of an IFN- ⁇ inhibitor for a patient comprising: determining the total IFN- ⁇ protein concentration in a biological sample from the patient before dosing; administering the IFN- ⁇ inhibitor to the patient at a first dosage amount; and determining the total IFN- ⁇ protein concentration in similar biological samples from the patient periodically after dosing; wherein the first dosage amount is not suitable because it is too low if a plateau concentration of total IFN- ⁇ protein lasting at least two weeks is not achieved or wherein the first dosage amount is high enough if a plateau concentration of total IFN- ⁇ protein lasting at least two weeks is achieved.
  • the patient can maintain a plateau concentration of IFN- ⁇ protein for at least about two, three, four, five, six, seven, eight, nine, or 10 weeks after dosing. If this is the case, after the concentration of IFN- ⁇ protein has fallen below the plateau level, a second, lower dosage amount of the IFN- ⁇ inhibitor can be administered and total IFN- ⁇ protein concentrations in similar biological samples from the patient can be determined periodically after dosing at the second, lower dosage amount. If the first dosage amount is too low, a second, higher dosage amount of the IFN- ⁇ inhibitor can be subsequently administered and total IFN- ⁇ protein concentration in similar biological samples from the patient can be determined periodically after dosing at the second, higher dosage amount.
  • the biological samples can be serum samples or peripheral blood samples.
  • the IFN- ⁇ inhibitor can be a protein that binds to IFN- ⁇ , for example an anti-IFN- ⁇ antibody, which can be an anti-huIFN- ⁇ antibody.
  • an anti-IFN- ⁇ antibody can comprise a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44.
  • Such an anti-IFN- ⁇ antibody can comprise the amino acid sequences of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31.
  • the anti-IFN- ⁇ antibody can be a human or humanized antibody.
  • a gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • a method of treating a patient suffering from an IFN- ⁇ -mediated disease comprising: selecting a patient, wherein expression at the RNA or protein level of one or more gene(s) listed in Table(s) 1, 2, 4, 5, and/or 6 in a biological sample taken from the patient before treating the patient deviates from expression of that gene(s) in a control biological sample in a direction consistent with excess IFN- ⁇ pathway activation; and administering to the patient a monoclonal human anti-human interferon gamma (anti-huIFN- ⁇ ) antibody at a dose of from about 20 milligrams to about 300 milligrams, wherein the antibody is an IgG1 antibody and comprises the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8.
  • the IFN- ⁇ -mediated disease can be selected from the group consisting of systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, inflammatory bowel diseases including Crohn's disease and ulcerative colitis, psoriasis, alopecia greata, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, multiple sclerosis, polymyositis, dermatomyositis, type I diabetes, sarcoidosis, macrophage activation syndrome (MAS), and hemophagocytic lymphohistiocytosis (HLH).
  • SLE systemic lupus erythematosus
  • discoid lupus lupus nephritis
  • inflammatory bowel diseases including Crohn's disease and ulcerative colitis
  • psoriasis alopecia greata
  • Sjogren's syndrome antiphospholipid syndrome
  • the biological sample from the patient can exhibit elevated expression at the RNA or protein level as compared to expression in the control biological sample of one or more of the following genes: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), and/or programmed death ligand-1 (PD-L1).
  • the dose can be from about 20 milligrams to about 300 milligrams, from about 80 milligrams to about 200, 250, or 300 milligrams, or from about 20 milligrams to about 60, 70, or 80 milligrams.
  • the antibody can comprise the amino acid sequences of SEQ ID NO:17 and SEQ ID NO:18 and can be administered subcutaneously or intravenously.
  • a gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • a method for treating a patient having an IFN- ⁇ -mediated disease with a human anti-huIFN- ⁇ antibody comprising: (a) taking a biological sample from the patient before treatment, wherein level(s) of expression of one or more genes listed in Table(s) 1, 2, 4, 5, and/or 6 at the RNA or protein level in the biological sample is determined and wherein level(s) of expression of the same gene(s) in a control biological sample is known or determined; (b) comparing the levels of expression of the gene(s) in the biological sample from the patient and in the control biological sample; and (c) if the level(s) of expression of the gene(s) in the biological sample from the patient deviate from the level(s) of expression of the gene(s) in the control biological sample in a direction consistent with excess IFN- ⁇ pathway activation, administering to the patient a therapeutically effective dose of the antibody at a dose of from about 30, 40, 50, 60, or 70 mg to about 80, 100, 120, 150,
  • the IFN- ⁇ -mediated disease can be selected from the group consisting of systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, inflammatory bowel diseases including Crohn's disease and ulcerative colitis, psoriasis, alopecia greata, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, multiple sclerosis, polymyositis, dermatomyositis, type I diabetes, sarcoidosis, macrophage activation syndrome (MAS), and hemophagocytic lymphohistiocytosis (HLH).
  • SLE systemic lupus erythematosus
  • discoid lupus lupus nephritis
  • inflammatory bowel diseases including Crohn's disease and ulcerative colitis
  • psoriasis alopecia greata
  • Sjogren's syndrome antiphospholipid syndrome
  • the levels of expression of at least 2, 3, 4, 5, 6, 7, 8, 9, 10, or 50 genes from Table 5 or 6 deviate from the levels of expression of the genes in the control biological sample in a direction consistent with excess IFN- ⁇ pathway activation.
  • the biological sample from the patient can exhibit elevated expression at the RNA or protein level as compared to expression in the control biological sample of one or more of the following genes: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67
  • the dose administered can be from about 5, 10, 20, or 30 mg to about 60, 70, or 80 mg or can be from about 60, 70, 80, 90, 100, or 120 mg to about 150, 180, 200, or 250 mg.
  • a gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • a method for treating a patient suffering from an IFN- ⁇ -mediated disease comprising: (a) taking a biological sample from the patient before administering a human anti-huIFN- ⁇ antibody in step (b), wherein the level(s) of expression at the RNA or protein level in the biological sample from the patient of one or more of the genes in Table(s) 1, 2, 4, 5, and/or 6 is determined; (b) administering to the patient a pharmacodynamically effective dose of the human anti-huIFN- ⁇ antibody, wherein the antibody has a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR1 comprising the amino acid sequence of
  • the IFN- ⁇ -mediated disease can be selected from the group consisting of systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, inflammatory bowel diseases including Crohn's disease and ulcerative colitis, psoriasis, alopecia greata, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, multiple sclerosis, polymyositis, dermatomyositis, type I diabetes, sarcoidosis, macrophage activation syndrome (MAS), and hemophagocytic lymphohistiocytosis (HLH).
  • SLE systemic lupus erythematosus
  • discoid lupus lupus nephritis
  • inflammatory bowel diseases including Crohn's disease and ulcerative colitis
  • psoriasis alopecia greata
  • Sjogren's syndrome antiphospholipid syndrome
  • the pharmacodynamically effective dose can be from about 5, 10, 20, 30, 40, 50, or 60 mg to about 60, 70, 80, 90, or 100 mg or from about 60, 70, 80, 90, or 100 mg to about 120, 150, 180, 200, or 250 mg.
  • the heavy chain CDR3 can comprise the amino acid sequence of SEQ ID NO:36
  • the light chain CDR1 comprises the amino acid sequence of SEQ ID NO:38
  • the light chain CDR2 comprises the amino acid sequence of SEQ ID NO:41
  • the light chain CDR3 comprises the amino acid sequence of SEQ ID NO:43.
  • the heavy chain variable region of the antibody can comprise the amino acid sequence of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30, and the light chain variable region of the antibody can comprise the amino acid sequence of SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31.
  • the antibody can comprise the amino acid sequences of SEQ ID NOs:6 and 8, 10 and 12, 14 and 16, 30 and 12, or 14 and 31.
  • the level(s) of expression of one or more of the following genes at the protein or RNA level can be determined in steps (a) and (c): indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), programmed death ligand-1 (PD-L1), basic leucine
  • a human anti-huIFN- ⁇ antibody comprising the following steps: (a) taking a biological sample from the patient before administering a human anti-huIFN- ⁇ antibody in step (b), wherein the level(s) of expression at the RNA or protein level of one or more genes listed in Table(s) 1, 2, 3, 5 and/or 6 in the biological sample are determined; (b) administering to the patient the human anti-human IFN- ⁇ antibody, wherein the antibody has a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:
  • the anti-human IFN- ⁇ antibody can be a human or humanized IgG1 antibody.
  • the dose of the antibody administered in (b) can be from about 20, 30, 40, 60, 80, or 100 mg to about 120, 150, 180, 200, 250, or 300 mg or from about 10, 20, or 30 mg to about 80 mg.
  • the dose can be about 30, 40, 50, 60, 70, 80, 100, 120, 150, or 180 mg.
  • the IFN- ⁇ -mediated disease can be selected from the group consisting of systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, inflammatory bowel diseases including Crohn's disease and ulcerative colitis, psoriasis, alopecia greata, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, multiple sclerosis, polymyositis, dermatomyositis, type I diabetes, sarcoidosis, macrophage activation syndrome (MAS), and hemophagocytic lymphohistiocytosis (HLH).
  • SLE systemic lupus erythematosus
  • discoid lupus lupus nephritis
  • inflammatory bowel diseases including Crohn's disease and ulcerative colitis
  • psoriasis alopecia greata
  • Sjogren's syndrome antiphospholipid syndrome
  • a method for treating a patient suffering from SLE, lupus nephritis, discoid lupus, psoriasis, or an inflammatory bowel disease comprising administering to the patient a dose of at least about 15, 20, 30, 40, 50, 60, or 100 milligrams and not more than about 80, 90, 100, 120, 150, 180, 200, 250, or 300 milligrams of an anti-human IFN- ⁇ antibody, wherein the anti-human IFN- ⁇ antibody comprises a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the
  • the anti-IFN- ⁇ antibody can comprise the heavy and light chain variable region amino acid sequences of SEQ ID NOs: 6 and 8, SEQ ID NOs: 10 and 12, SEQ ID NOs: 14 and 16, SEQ ID NOs: 30 and 12, or SEQ ID NOs: 14 and 31.
  • Levels of expression of at least 5 genes listed in Table(s) 1, 2, 4, 5, and/or 6 in a biological sample taken from the patient after administration of the antibody can deviate from levels of these genes in a similar biological sample taken from the patient taken at baseline in a direction consistent with inhibition of IFN- ⁇ .
  • the dose of the anti-IFN- ⁇ antibody can be from about 5, 10, 20, 30, or 40 milligrams to about 60, 70, 80, 90, or 100 milligrams or from about 60, 70, 80, 90, 100, or 120 milligrams to about 125, 150, 180, 200, or 250 milligrams.
  • the dose can be administered subcutaneously or intravenously.
  • the level of total IFN- ⁇ protein in the patient's serum can remain above about 200 pg/mL for at least about 2 weeks subsequent to a single dose.
  • a gluococorticoid, optionally prednisone, and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • a method for identifying SLE, psoriasis, or inflammatory bowel disease patients that can benefit from treatment with a human anti-human IFN- ⁇ antibody and treating such patients comprising the following steps: (a) obtaining a biological sample from the patient before administration of the antibody, wherein the level of total IFN- ⁇ protein in the biological sample is determined; (b) administering to the patient a dose of the antibody; (c) obtaining a second biological sample from the patient after administration of the antibody, wherein the level of total IFN- ⁇ protein in the second biological sample is determined; and (d) if the level of total IFN- ⁇ protein determined in (c) is higher than the level determined in (a), then continuing treatment with the antibody; wherein the antibody is an IgG1 antibody and comprises the amino acid sequences of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ
  • a method for treating an IFN- ⁇ -mediated disease comprising administering to a patient in need thereof a dose of a human anti-human IFN- ⁇ antibody comprising the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8 such that the concentration of total IFN- ⁇ protein in the patient's serum is maintained at a plateau concentration for at least about two, three, four, five, or six weeks following administration.
  • the plateau concentration of total IFN- ⁇ protein in serum can be from about 100, 200, or 300 pg/mL to about 2000 pg/mL.
  • FIG. 1 Volcano plot of expression of an array of genes post-vs. pre-IFN- ⁇ stimulation of whole blood from healthy volunteers. The average fold change in RNA expression for each gene is plotted with the associated p-value from an analysis of variance (ANOVA). The circled points have been designated as the top 20 IFN- ⁇ regulated genes, which are those with the largest absolute fold change and that have a p-value less than 0.001.
  • FIG. 2 Analysis of serum protein levels.
  • Top Boxplot of interleukin-18 (IL-18), chemokine (C—X—C motif) ligand 10 (CXCL10; also known as interferon gamma inducible protein 10 (IP10)), and chemokine (C—C motif) ligand 2 (CCL2; also known as MCP-1) protein levels in healthy volunteers (HV), SLE, and lupus nephritis (LN) subjects.
  • the ⁇ -axis is log-scaled.
  • the horizontal lines are the group medians and the boxes represent the 25th and 75th percentiles.
  • the whiskers represent the most extreme data point within 1.5 times the inter-quartile range away from the boxes.
  • the black crosses are points outside the whiskers.
  • FIG. 3 IFN-related gene expression in SLE patients treated with AMG 811 compared to patients treated with a placebo.
  • Left Volcano plot of RNA expression of an array of genes in biological samples from treated subjects at day 15 (described in Example 3) versus samples from untreated/placebo treated subjects. The average fold difference in RNA expression for each gene is plotted with the associated p-value. The top 20 IFN- ⁇ signature genes (see FIG. 1 ) are circled.
  • Right Relationship between AMG 811 serum concentration and guanylate binding protein 1 (GBP1) transcript expression in SLE patients. Samples were taken on Day ⁇ 1 (pre-dosing; ( ⁇ ) and Day 15 ( ⁇ ) in the clinical trial described in Example 3.
  • the x axis indicates the serum concentration of AMG 811
  • the y axis indicates the fold difference in guanylate binding protein 1 (GBP1) RNA expression from that seen in a control group of healthy people.
  • FIG. 4 Dose dependent decrease in CXCL10 protein level in response to AMG 811 administration. Symbols are average change from baseline in CXCL10 levels for each dose group by study day of the study described in Example 3. The error bars reflect the 95% confidence interval around the mean. Time points are indicated as follows: ⁇ , day 15 (Dy15) of the study; ⁇ , day 56 (Dy56) of the study; and ⁇ , end of study (EOS).
  • FIG. 5 Mean AMG 811 serum concentration-time profiles following a single subcutaneous or intravenous dose of AMG 811 in systemic lupus erythematosus patients.
  • the x axis indicates the time post-injection, and the y axis indicates the serum concentration of AMG 811 in nanograms per milliliter (ng/ml).
  • the doses represented by the various symbols and the number of patients dosed (n) are indicated in the legend in the figure.
  • FIGS. 6A and 6B Median ( 6 A) and mean ( 6 B) serum total IFN- ⁇ protein concentration-time profiles following a single subcutaneous or intravenous dose of AMG 811 in systemic lupus erythematosus patients.
  • the x axis indicates time post-injection, and the y axis indicates the median or mean serum concentration of IFN- ⁇ .
  • the doses represented by the various symbols and the number of patients dosed (n) are indicated in the legend in the figure.
  • FIG. 7 Average post-dose AMG 811 score in lupus nephritis patients. An “AMG 811 score” was determined as explained in Example 4 for lupus nephritis patients. Diamonds indicate the average score for each dose while vertical lines indicate the 95% confidence interval.
  • FIG. 8 Dose dependent decrease in CXCL10 protein level in response to multiple doses of AMG 811 in general SLE patients. Symbols (circles, squares, triangles, etc.) indicate the average fold change from baseline values in CXCL10 levels, and the vertical lines represent the 95% confidence interval. The data are from the study described in Example 4. Each group of seven vertical lines represents data from patient samples taken at, from left to right, day 8 (D8), 16 (D16), 29 (D29), 57 (D57), 86 (D86), 113 (D113), and end of study (EOS), as indicated. The dose of AMG 811 administered is indicated below. A dose of zero indicates that those patients received a placebo.
  • FIG. 9 Dose dependent decrease in CXCL10 (IP-10) protein level in response to multiple doses of AMG 811 in lupus nephritis patients. Symbols (circles, squares, triangles, etc.) indicate the average fold change from baseline values in CXCL10 levels, and the vertical lines represent the 95% confidence interval. Each group of seven vertical lines represents data from patient samples taken at, from left to right, day 8 (D8), 16 (D16), 29 (D29), 57 (D57), 86 (D86), 113 (D113), and end of study (EOS) of the study described in Example 4, with the dose of AMG 811 administered indicated below. A dose of zero indicates that those patients received a placebo.
  • FIG. 10 Relationship between AMG 811 levels and changes in IP-10 (CXCL10) expression in SLE and lupus nephritis patients.
  • This graph shows the AMG 811 concentration (x axis) in peripheral blood of patients plotted against the fold change in IP-10 concentration from baseline for lupus and lupus nephritis patients involved in the trial described in Example 4 at a variety of time points in the trial, as indicated.
  • FIG. 11 Relationship between AMG 811 serum concentration and GBP1 transcript expression in lupus nephritis patients. Blood samples were taken from lupus nephritis patients at baseline and on day 15 in the multi-dose clinical trial described in Example 4. The x axis indicates the serum concentration of AMG 811, and the y axis indicates the fold difference in guanylate binding protein 1 (GBP1) RNA expression from that seen in a control group of healthy people.
  • GBP1 guanylate binding protein 1
  • FIG. 12 Blinded data showing the amount of protein detected in 24-hour urine samples from lupus nephritis patients treated with multiple doses of AMG 811 or placebo. This graph show the levels of protein in twenty four hour urine samples from lupus nephritis patients from cohorts 4 (left panel) and 5 (right panel) of the clinical trial described in Example 4. Cohort 4 contained eight patients, two of which received placebo and six of which received 3 doses of 20 mg of AMG 811. Cohort 5 contained 12 patients, three of which received placebo and nine of which received three doses of 60 mg of AMG 811.
  • FIG. 13 Blinded spot urine protein/creatinine ratio (UPCR) in lupus nephritis patients.
  • UPCR urine protein/creatinine ratio
  • FIG. 14 Blinded data showing PASI scores of psoriasis patients treated with AMG 811 or placebo.
  • This graph shows the PASI scores (y axis) of individual psoriasis patients treated with AMG 811 or placebo at various time points during the trial described in Example 6, as indicated along the x axis.
  • the baseline measurement (B) was taken one to three days prior to the single dose of AMG 811 administered on day 1 of the study.
  • the methods utilize techniques for determining levels of proteins and/or RNA transcripts in a biological sample. Using such techniques, overlapping sets of transcripts, the expression of which is modulated by IFN- ⁇ ex vivo and by AMG 811 in vivo, have been defined. Similarly, it has been found that a particular set of transcripts and at least one serum protein is downregulated by an IFN- ⁇ inhibitor in human patients in vivo, thus making it possible to determine dosages at which these effects are observable and to determine which transcripts in blood cells are regulated by IFN- ⁇ in vivo.
  • Dosages determined by such methods can be used to treat patients.
  • assay of these sets of transcripts can be used to predict which patients are likely to respond to treatment, i.e., those that overexpress genes whose expression can be downregulated by the IFN- ⁇ inhibitor and/or those that are up- or down-regulated by activation of the IFN- ⁇ pathway.
  • these techniques can be used to determine whether a particular dosage of an IFN- ⁇ inhibitor is having a biological effect, especially in patients suffering from an episodic disease in which changes in symptoms may not be readily apparent. Further, if an IFN- ⁇ inhibitor is not having a biological effect as measured by expression of such biomarkers, treatment with the IFN- ⁇ inhibitor can be discontinued and, optionally, a new treatment can be initiated. Alternatively, if an IFN- ⁇ inhibitor is having a biological effect as measured by biomarker expression, treatment with the IFN- ⁇ inhibitor can be continued.
  • an “antibody,” as meant herein, can be a full length antibody containing two full length heavy chains (containing a heavy chain variable region (V H ), a first constant domain (C H 1), a second constant domain (C H 2) and a third constant domain (C H 3)) and two full length light chains (containing a light chain variable region (V L ) and a light chain constant region (C L )).
  • an antibody can contain only a single V H region or V L region, such as the single variable domain antibodies described in, e.g., U.S. Pat. No. 7,563,443. The portions of this reference describing such antibodies are incorporated herein by reference.
  • an antibody can also be a fragment of a full length antibody that binds to the target antigen, which may also contain other sequences.
  • an antibody can be an a single chain antibody that comprises V H and V L regions joined by a peptide linker (i.e., an scFv), a Fab fragment, which may or may not include the hinge region, an scFv-Fc, among many other possible formats.
  • a peptide linker i.e., an scFv
  • Fab fragment which may or may not include the hinge region, an scFv-Fc, among many other possible formats.
  • the term “antibody” comprises any protein that includes at least one V H or V L region.
  • Baseline is a timepoint before dosing begins in a clinical trial that can typically be up to about a month before dosing with a test drug or placebo begins.
  • a “biological sample,” as meant herein, is a sample of a liquid, such as blood or cerebrospinal fluid, or a solid piece of tissue, such as a skin biopsy or an excised tumor, taken from a patient.
  • Two biological samples are said to be “similar” if they are taken from similar tissue. For example, two whole blood samples from different patients are similar, as meant herein. Further, two skin biopsies taken from lesions from different patients are also similar as meant herein.
  • a drug or treatment is “concurrently” administered with another drug or treatment, as meant herein, if it is administered in the same general time frame as the other drug, optionally, on an ongoing basis. For example, if a patient is taking Drug A once a week on an ongoing basis and Drug B once every six months on an ongoing basis, Drugs A and B are concurrently administered whether or not they are ever administered on the same day. Similarly, if Drug A is taken once per week on an ongoing basis and Drug B is administered only once or a few times on a daily basis, Drugs A and B are concurrently administered as meant herein. Similarly, if both Drugs A and B are administered for short periods of time either once or multiple times within a one month period, they are administered concurrently as meant herein as long as both drugs are administered within the same month.
  • a “control group,” as meant herein, is a group of healthy people to which a patient having a particular disease is compared in some way. For example, expression of certain genes at the protein or RNA level in a biological sample from a patient can be compared to expression of those genes in one or more similar biological samples from people in a control group. In some situations, normal ranges for levels of expression for particular genes can be established by analysis of biological samples from members of a control group. In such a situation, expression levels in a given sample from a patient having a disease can be compared to these established normal ranges to determine whether expression in the sample from the patient is normal or above or below normal.
  • a “control biological sample,” as meant herein, is (a) a group of biological samples from a “control group” that is compared to a similar biological sample from a patient or (b) a biological sample from non-diseased tissue from a patient that is compared to a biological sample from diseased tissue from the same patient.
  • a skin biopsy from non-lesional tissue from a discoid lupus patient can be a “control biological sample” for a skin biopsy from lesional tissue from the same discoid lupus patient.
  • a group of skin biopsies from a healthy “control group” can be a “control biological sample” to which a skin biopsy from a discoid lupus patient can be compared.
  • a group of blood samples from healthy people can be a “control biological sample” to which to compare a blood sample from an SLE patient.
  • Determining the level of expression refers to determining the amount of expression of a gene in a biological sample at either the protein or RNA level. Such levels can be determined in biological samples from patients suffering from an IFN- ⁇ -mediated disease and in control biological samples from healthy people or from non-diseased tissue from the patient (for example in a skin sample not having psoriatic plaques in a psoriasis patient). The comparison between a patient's biological sample from diseased tissue (or blood in a systemic disease) and a control biological sample can provide information as to whether the biomarkers in question are expressed at normal, elevated, or lowered levels. To assay for protein levels in liquid samples, enzyme-linked immunosorbent assay (ELISA) can be used.
  • ELISA enzyme-linked immunosorbent assay
  • RNA levels For example, real time quantitative PCR (for example using a Taqman® kit available from Invitrogen (Carlsbad, Calif.)) or microarrays (such as described, for example, in Chen et al. (1998), Genomics 51: 313-324) are generally used.
  • IFN- ⁇ inhibitor is a molecule, which can be a protein or a small molecule, that can inhibit the activity of IFN- ⁇ as assayed by the A549 bioassay, which can be performed as follows.
  • IFN- ⁇ is its anti-proliferative effect on a variety of cell populations. See e.g. Aune and Pogue (1989), J. Clin. Invest. 84: 863-875.
  • the human lung cell line A549 has been used frequently in publications describing the bioactivity of IFN- ⁇ . See e.g. Aune and Pogue, supra; Hill et al. (1993), Immunology 79: 236-240.
  • the activity of an inhibitor is tested at a concentration of a stimulating substance, in this case IFN- ⁇ , that falls within a part of the dose-response curve where a small change in dose will result in a change in response.
  • EC 80 and EC 90 the concentrations at which 80% or 90%, respectively, of the maximum response is achieved.
  • An IFN- ⁇ dose-response curve can be generated to determine the EC 90 for the lung epithelial carcinoma cell line A549.
  • different concentrations of an IFN- ⁇ -inhibitor can be mixed with a fixed dose of IFN- ⁇ , and the ability of the IFN- ⁇ -inhibitor to inhibit the biological activity of the anti-proliferative effect of IFN- ⁇ can be determined.
  • the assay can be performed for 5 days, and proliferation can be measured by determining fluorescence generated by the reduction of ALAMARBLUETM (AccuMed International, Inc., Chicago, Ill.), a dye used to indicate cell growth, by metabolically active, i.e., proliferating, cells. See e.g., de Fries and Mitsuhashi, 1995, J. Clin. Lab. Analysis 9(2): 89-95; Ahmed et al., 1994, J. Immunol. Methods 170(2): 211-24.
  • IFN- ⁇ -mediated disease is a disease in which evidence from an in vitro or a non-human model system or from human patients indicates IFN- ⁇ is likely to play a role in driving the course of the disease.
  • Diseases that are included among “IFN- ⁇ -mediated diseases” include, for example, diseases in which patient samples display elevated levels of a type I or II IFN or a type I-related “IFN signature” pattern of gene expression. See, e.g., Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615; Bennett et al. (2003), J. Exp. Med. 197(6): 711-723.
  • IFN- ⁇ -mediated diseases include, for example, SLE, discoid lupus, lupus nephritis, alopecia greata, Graves'disease, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, juvenile idiopathic arthritis, psoriasis, psoriatic arthritis, dermatomyositis, polimyositis, bacterial septicemia, antigen/antibody complex diseases (Arthus-like syndromes), anaphylactic shock, multiple sclerosis (MS), type I diabetes, thyroiditis, graft versus host disease, transplant rejection, atherosclerosis, immune-mediated hepatic lesions, autoimmune hepatitis, inflammatory bowel diseases such as Crohn's disease and ulcerative colitis, giant cell arteritis, uveitis, macrophage activation syndrome (MAS), hemophage, and others.
  • SLE discoid lupus, lupus
  • interferon signature refers to the characteristic pattern of over- and under-expression of genes observed in response to type 1 interferons. See, e.g., Bennett et al. (2003), J. Exp. Med. 197(6): 711-723; Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615, the relevant portions of which are incorporated herein by reference.
  • the expression of a particular gene in a biological sample from a patient is said to “deviate” from the expression of that gene in a control biological sample or in a biological sample from the patient taken at a different time “in a direction consistent with excess IFN- ⁇ ” or “in a direction consistent with excess IFN- ⁇ pathway activation” when it is found to be up- or down-modulated at the RNA or protein level in the same direction as noted in Table 1 below for blood samples stimulated with IFN- ⁇ .
  • Table 1 lists the group of genes that are up- or down-regulated in human whole blood from healthy volunteers in response to stimulation with IFN- ⁇ ex vivo.
  • a gene to “deviate” from the expression of that gene in a control biological sample or in a biological sample from the patient taken at a different time “in a direction consistent with excess IFN- ⁇ ” it must be listed in Table 1.
  • the expression of a gene can be “modulated in a direction consistent with inhibition of IFN- ⁇ ” or “modulated in a direction consistent with IFN- ⁇ pathway inhibition.” This means that the expression of the gene is decreased if the expression of that gene is up-regulated in response to ex vivo stimulation with IFN- ⁇ as noted in Table 1, and that the expression is increased if the expression of that gene is down-regulated in response to ex vivo stimulation with IFN- ⁇ as noted in Table 1.
  • a “monoclonal antibody,” as meant herein, is an antibody that specifically binds to an antigen at an epitope, wherein a preparation of the antibody contains substantially only antibodies having the same amino acid sequence, although there may be certain low levels of antibodies that include one or more alteration of certain amino acids or internal, amino-terminal, or carboxyterminal cleavages of the amino acid chain. Such minor alterations may occur during the production of the antibodies or during storage.
  • a preparation of a “polyclonal” antibody contains antibodies having many different amino acid sequences that bind to different epitopes on the same antigen.
  • the term “monoclonal antibody” includes, without limitation, the following kinds of molecules: tetrameric antibodies comprising two heavy and two light chains such as an IgG, IgA, IgD, IgM, or IgE antibody; single chain antibodies (scFv's) containing a V H and a V L region joined by a peptide linker; variable domain antibodies as described in, for example, U.S. Pat. No.
  • a “pharmacodynamically effective dose,” as meant herein, is a dose of an IFN- ⁇ inhibitor that can modulate the expression of a gene “in a direction consistent with inhibition of IFN- ⁇ ,” as defined herein.
  • Genes regulated by IFN- ⁇ ex vivo are listed in Table I.
  • a “plateau concentration,” as meant herein, is a concentration of total IFN- ⁇ that is observed in a biological sample, such as peripheral blood or serum, taken from a patient after dosing with an IFN- ⁇ inhibitor.
  • the plateau concentration is higher than the concentration of total IFN- ⁇ protein in a similar biological sample taken from the same patient at baseline, and once it is attained, it is “substantially maintained” for at least about 2, 3, 4, 5, 6, 7, 8, 9, or 10 weeks.
  • a concentration is considered to be substantially maintained if it varies by no more than ⁇ 50% of its total value.
  • a “therapeutically effective dose,” as meant herein, is a dose that is effective to decrease one or more observable symptoms of a disease or to delay onset or mitigate the symptoms of a more serious condition that often follows after the condition that a patient is currently experiencing.
  • a therapeutically effective dose may, but need not necessarily, completely eliminate all symptoms of the disease. For example, in lupus nephritis, a lowering of the degree of proteinuria and lowering or stabilization of serum concentration of creatinine would indicate an improvement in kidney function and, thus, an improvement in a symptom of the disease.
  • a dose of an IFN- ⁇ inhibitor that could cause a decrease in proteinuria and lower or stabilize serum creatinine concentration would be both a therapeutically effective dose and a phamacodynamically effective dose.
  • Interferons were first recognized for their ability to impede viral infections and are now known to also play important roles in mediating host defense against infection by bacteria and other pathogens, as well as in integrating early, innate immune responses and later adaptive immune responses. Decker et al. (2002), J. Clin. Invest. 109(10): 1271-1277.
  • Type I interferons are produced by most cell types under appropriate conditions and are known to play a role in resisting viral infection, whereas IFN- ⁇ is produced by limited cell types, such as NK cells and activated Th1 cells, and is known to strengthen immune responses to unicellular microorganisms, intracellular pathogens, and viruses.
  • type I and type II interferons bind to distinct receptors, which are, respectively, the interferon alpha/beta receptor (IFNAR, containing IFNAR1 and IFNAR2 chains) and the interferon gamma receptor (IFNGR, containing IFNGR1 and IFNGR2 chains).
  • IFNAR interferon alpha/beta receptor
  • IFNGR interferon gamma receptor
  • Both of these receptors are associated with Janus kinases which, along with other intracellular proteins, mediate the transcriptional activation of genes having interferon-stimulated response elements (IFNAR only) and genes having IFN- ⁇ -activated site elements (both IFNAR and IFNGR). Decker et al. (2002), J. Clin. Invest. 109(10): 1271-1277; Trinchieri (2010), J. Exp. Med. 207(10): 2053-2063. Thus, although the sets of genes activated by type I and II interferons differ, there is considerable overlap in the two sets. See, e.g., Baechler et al. (2003), Proc. Natl. Acad. Sci.
  • type I and II interferons The relationship between the biological activities of type I and II interferons is complex and intertwined and dependent on the expression of other genes. Thus, different cell types can have differing responses to the IFNs. IFN- ⁇ is a more potent activator of phagocytic cell and antigen-presenting cell function than type I interferons. Trinchieri (2010), J. Exp. Med. 207(10): 2053-2063. Both type I and II interferons can be produced in the course of an immune response. In some situations, type I interferons can inhibit production of IFN- ⁇ , and in other situations, for example, in the absence of STAT1, type I interferons can increase IFN- ⁇ production. Nguyen et al. (2000), Nature Immunol.
  • IFN- ⁇ - and type I IFN-activated genes are overlapping sets, an elevated interferon signature score could implicate elevated activity of IFN- ⁇ and/or a type I IFN.
  • autoimmune and/or inflammatory diseases many of which characterized by extremely heterogeneous and episodic symptoms, it has been found that a substantial proportion of patients or persons at increased risk of disease have a gene expression pattern reflecting elevated IFN activity and/or have elevated levels of an IFN or a protein whose expression is known to be induced by type I IFN.
  • diseases include, for example, SLE (Bauer et al. (2006), PLoS Med. 2(12): 2274-2284; Arma ⁇ anzas et al. (2009), IEEE Transactions on Inform. Tech. in Biomed. 13(3): 341-350), systemic sclerosis (Sozzani et al.
  • Elevated expression of genes whose expression is induced by IFNs is found in about half of adult SLE patients and the majority of pediatric SLE patients. Baechler et al. (2003), Proc. Natl. Acad. Sci. U.S.A.; 100: 2610-2615; Bennett et al. (2003), J. Exp. Med. 197: 711-723; Kirou et al. (2004), Arthr. & Rheum. 50: 3958-3967.
  • CXCL10 IP-10
  • CCL2 CCL2
  • CCL19 chemokine (C—C motif) ligand 19
  • Bauer et al. (2009), Arthr. & Rheum 60(10): 3098-3107; Bauer et al. (2006), PLoS. Med. 3: e491; Lit et al. (2006), Ann. Rheum. Dis. 65: 209-215; Narumi et al. (2000), Cytokine 12: 1561-1565; Baechler et al. (2003), Proc. Natl. Acad.
  • CXCL10 has been shown to be a major contributor to the overall association of disease with IFN signature and an independent predictor of future disease flare.
  • Bauer et al. (2009), Arthritis & Rheum. 60: 3098-3107;
  • Bauer et al. (2009), Arthritis Rheum. 60:S209.
  • peripheral blood T cells from SLE patients expressed significantly more IFN- ⁇ in response to CD28 costimulation than did T cells from normal controls. Harigai et al. (2008), J. Immunol. 181: 2211-2219. Thus, many different kinds of evidence indicate that IFN- ⁇ is likely to play a role in mediating SLE.
  • SLE is an autoimmune disease of unknown etiology marked by autoreactivity to nuclear self antigens. Its clinical manifestations are so diverse that it is questionable whether it is truly a single disease or a group of related conditions.
  • Symptoms can include the following: constitutional symptoms such as malaise, fatigue, fevers, anorexia, and weight loss; diverse skin symptoms including acute, transient facial rashes in adults, bullous disease, and chronic and disfiguring rashes of the head and neck; arthritis; muscle pain and/or weakness; cardiovascular symptoms such as mitral valve thickening, vegetations, regurgitation, stenosis, pericarditis, and ischemic heart disease, some of which can culminate in stroke, embolic disease, heart failure, infectious endocarditis, or valve failure; nephritis, which is a major cause of morbidity in SLE; neurological symptoms including cognitive dysfunction, depression, psychosis, coma, seizure disorders, migraine, and other headache syndromes, aseptic meningitis, chorea, stroke, and cranial neuropathies; hemotologic symptoms including leucopenia, thrombocytopenia, serositis, anemia, coagulation abnormalities, splenomegaly, and lymphadenopathy; and various
  • SLE Systemic Lupus Erythrmatosus Disease Activity Index
  • SLEDAI Systemic Lupus Erythrmatosus Disease Activity Index
  • BILAG British Isles Lupus Assessment Group
  • a BILAG score is assigned by giving separate numeric or alphabetic disease activity scores in each of eight organ-based systems, general (such as fever and fatigue), mucocutaneous (such as rash and alopecia, among many other symptoms), neurological (such as seizures, migraine headaches, and psychosis, among many other symptoms), musculoskeletal (such as arthritis), cardiorespiratory (such as cardiac failure and decreased pulmonary function), vasculitis and thrombosis, renal (such as nephritis), and hematological. Id.
  • the treatments described herein can be useful in lessening or eliminating symptoms of SLE as measured by the BILAG index.
  • Discoid lupus is a particular form of chronic cutaneous lupus in which the patient has circular lesions that occur most commonly in sun-exposed areas. The lesions can leave disfiguring scars. Up to about 25% of SLE patients develop discoid lupus lesions at some point in the course of their disease. These lesions may occur in patients that have no other symptoms of SLE.
  • the symptoms that relate specifically to skin in cutaneous forms of lupus can be scored using the Cutaneous Lupus Erythematosus Disease Area and Severity Index (CLASI), which takes into consideration both disease activity (including erythema, scaling, and hypertrophy of the skin in various areas, as well as mucus membrane lesions and alopecia) and disease-related damage (including dyspigmentation, scarring, atrophy, and panniculitis of the skin as well as scarring of the scalp).
  • CLASI Cutaneous Lupus Erythematosus Disease Area and Severity Index
  • Such symptoms can be affected by a treatment for discoid lupus such as an IFN- ⁇ inhibitor.
  • the CLASI is described in detail by Albrecht et al. (2005), J. Invest. Dermatol. 125: 889-894.
  • psoriasis Another cutaneous disease that can be mediated by IFN- ⁇ is psoriasis. Symptoms of psoriasis include itchy, dry skin that can be pink/red in color, thickened and covered with flakes. It is a common condition and is episodic in nature, that is, patients can experience flares and periods of remission. There are five type of psoriasis, erythrodermic, guttate, inverse, plaque, and pustular. Plaque psoriasis is the most common type.
  • the severity of disease in psoriasis patients can be measured in a variety of ways.
  • One way disease activity is commonly measured in clinical trials the PASI score.
  • a PASI score can range from 0 to 72, with 72 being the most severe disease.
  • the body is considered to consist of four sections, legs, torso (that is, stomach, chest, back, etc.), arms, and head, which are considered to have 40%, 30%, 20%, and 10% of a person's skin, respectively.
  • the percent of the area of skin affected is estimated and transformed into a grade of from 0 to 6, with 0 being no affected skin and 6 being 90-100% of the skin of the body section in question being affected.
  • the severity of disease is scored by separately considering three features of the affected skin, redness (erythema), scaling, and thickness, and assigning a severity score of from 0 to 4 for each feature for each body section.
  • the sum of the severity scores for all three features for each body section is calculated, and this sum is multiplied by the weight of the respective section as determined by how much of the total skin that body section contains and by the percent of the body section affected. After this number is calculated for each body section, these numbers are added to yield the PASI score.
  • the PASI score can be expressed as follows:
  • PASI 0.1(score for percent of the head affected)(sum of 3 severity scores for the head)+0.2(score for percent of the arms affected)(sum of 3 severity scores for the arms)+0.3(score for percent of the torso affected)(sum of 3 severity scores for the torso)+0.4(score for percent of the legs affected)(sum of 3 severity scores for the legs)
  • PASI 75 at a particular time point in a clinical trial means that the PASI score of a patient has decreased by 75% as compared to that patient's PASI score at baseline.
  • PASI 50 or a PASI 90 denotes a 50% or 90% reduction in PASI score.
  • sPGA static Physicians Global Assessment
  • ENBREL® etanercept
  • a sPGA score of “clear” or “minimal” (sometimes alternately referred to as “almost clear”) requires no or minimal elevation of plaques, no or only very faint redness, and no scaling or minimal scaling over ⁇ 5% of the area of the plaques.
  • ENBREL® etanercept
  • Package Insert 2008.
  • the individual elements of psoriasis plaque morphology or degree of body surface area involvement are not quantified. Nonetheless, sPGA scores correlate to some extent with PASI scores. Langley and Ellis (2004), J. Am. Acad. Dermatol. 51(4): 563-69. The methods described herein lessen or eliminate psoriasis symptoms as measured by a PASI or an sPGA score.
  • MS Multiple sclerosis
  • Symptoms can include loss of balance, muscle spasms, tremors, weakness, loss of ability to walk, loss of coordination, various bowel and bladder problems, numbness, pain, tingling, slurred speech, difficulty chewing and swallowing, double vision, loss of vision, uncontrollable eye movements, and depression, among many other possible symptoms. In many patients episodes in which symptoms occur are interspersed with long periods of remission. A subset of MS patients exhibit a pattern of gene expression consistent with high type I IFN activity, although a correlation between this pattern of gene expression and disease severity has not been demonstrated. Id. The methods described herein can lessen or eliminate one or more symptoms of MS.
  • Type I diabetes is an autoimmune disease resulting in the destruction of insulin-producing ⁇ -cells in the pancreas, which leads to a lack of insulin.
  • Antibodies against ⁇ -cell epitopes are detected in the sera of pre-diabetic patients, suggesting that there is an autoimmune process in progress during a long asymptomatic period that precedes the onset of clinical symptoms.
  • the lack of insulin leads to high glucose levels in the blood and urine causing a variety of symptoms including frequent urination, increased hunger and thirst, fatigue, and weight loss. It is generally treated with insulin, a treatment that must be continued indefinitely.
  • RNAs encoded by a group genes activated by type I interferon although diabetic patients do not overexpress these RNAs.
  • Such overexpression may be an indication of future disease. Since various strategies for inhibiting the progress of the disease are known and may be discovered in the future, it is useful to detect the disease before the onset of clinical symptoms. The methods described herein may be useful to detect and/or treat type I diabetes before and/or after the onset of clinical symptoms.
  • IBDs Inflammatory bowel diseases
  • Crohn's disease is chronic and debilitating inflammatory bowel disease that is thought to reflect a overly-active T H 1-mediated immune response to the flora of the gut.
  • the lesions of Crohn's disease can appear anywhere in the bowel and occasionally elsewhere in the gastrointestinal tract.
  • Ulcerative colitis lesions usually appear in the colon. The nature of the lesions is also different, but the diseases are sufficiently similar that is sometimes difficult to distinguish them clinically. See, e.g., U.S. Pat. No. 6,558,661.
  • Sarcoidosis is a systemic granulomatous disease that can affect essentially any tissue, but it primarily affects the lung and lymphatic systems. It is characterized by the presence of noncaseating epithelioid cell granulomas in more than one organ system. Most commonly the granulomas are found in lung, lymph nodes, skin, liver, and/or spleen, among other possible sites. It can be fatal. For example, fibrosis of the lungs can lead to fatality. Increases in IFN- ⁇ levels have been observed in sarcoidosis.
  • Hemophagocytic lymphohistiocytosis is a rare and often fatal disease having clinical manifestations including fever, hepatosplenomegaly, lymphadenopathy, jaundice and rash.
  • Laboratory findings associated with HLH include lymphocytosis and histiocytosis and the pathologic finding of hemophagocytosis. Pancytopenia, elevated serum ferritin levels, and abnormal liver enzymes are also frequently present. IFN- ⁇ has been clearly implicated in driving the disease process in a murine model for hemophagocytic anemia. Zoller et al. (2011), J. Exp. Med. 208(6): 1203-1214.
  • the methods described herein may be useful for selecting HLH patients to treat, for treating HLH patients, and/or for reducing or eliminating symptoms of HLH.
  • IFN- ⁇ -mediated disease For any IFN- ⁇ -mediated disease, it would be valuable to have a test to identify patients likely to benefit from a particular treatment. Due to the episodic nature of symptoms in many such diseases, it would also be desirable to be able to evaluate the biological effects of a given treatment without having to wait for the recurrence of symptoms, or lack thereof.
  • expression of one or more biomarkers listed in Table 1, 2, 4, 5, and/or 6 can be measured before treatment begins as a method for determining whether genes regulated by IFN- ⁇ are dysregulated in the patient. If so, an IFN- ⁇ inhibitor may be an effective treatment.
  • Expression of biomarkers can also be measured after treatment has begun to determine whether the dosage of the IFN- ⁇ inhibitor is having a biological effect. Such information can inform treatment decisions and may be correlated with clinical signs and symptoms of the disease. For example, if the IFN- ⁇ inhibitor is not having a biological effect, treatment can be discontinued or a different dosage can be administered. If the IFN- ⁇ inhibitor is having a biological effect, then the treatment can be continued. Such information can also be used to determine what doses are having a phamacodynamic effect, i.e., are modulating the expression of a gene or genes whose expression is regulated by IFN- ⁇ .
  • inhibitors of human IFN- ⁇ which can be proteins, small molecules, or proteins conjugated to non-protein moieties, such as, for example, a pegylated protein.
  • the capacity of a particular small molecule or protein to inhibit the activity of human IFN- ⁇ can be measured by the A549 bioassay described above.
  • anti-IFN- ⁇ antibodies can inhibit IFN- ⁇ .
  • These can be human, humanized, or chimeric antibodies that bind to human IFN- ⁇ and/or other mammalian homologs such a rhesus, cynomolgus monkey, chimpanzee, mouse, rabbit, rat, baboon, gorilla, and/or marmoset IFN- ⁇ .
  • They can be of the IgG, IgE, IgM, IgA, or IgD isotypes. They can be IgG1, IgG2, IgG3, or IgG4 antibodies.
  • these antibodies that contain the following pairs of heavy and light chain variable regions: SEQ ID NOs:6 and 8; SEQ ID NOs:10 and 12; SEQ ID NOs: 14 and 16; SEQ ID NOs:14 and 31; and SEQ ID NOs:30 and 12. Further, these antibodies can contain the following pairs of heavy and light chain amino acid sequences: SEQ ID NO:19 and SEQ ID NO:20; SEQ ID NO:17 and SEQ ID NO:18; SEQ ID NO:21 and SEQ ID NO:22; SEQ ID NO:32 and SEQ ID NO:20; or SEQ ID NO:21 and SEQ ID NO:33.
  • These antibodies which include an antibody called AMG 811 that is used in the clinical trials described in the Examples below, are described in detail in U.S. Pat. No. 7,335,743. The portions of U.S. Pat. No. 7,335,743 that describe these antibodies are incorporated herein by reference.
  • These antibodies can contain a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, a heavy chain CDR3 comprising SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising SEQ ID NO:38.
  • the antibody can include the following heavy chain CDR1, CDR2, and CDR3 and light chain CDR1, CDR2, and CDR3, respectively: a) SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:37, SEQ ID NO:39, SEQ ID NO:41, and SEQ ID NO:43; b) SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:36, SEQ ID NO:38, SEQ ID NO:41, and SEQ ID NO:43; c) SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:37, SEQ ID NO:38, SEQ ID NO:41, and SEQ ID NO:43; or d) SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:37, SEQ ID NO:38, SEQ ID NO:41, and SEQ ID NO:43; or d) SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:37, SEQ ID NO:38, SEQ ID NO
  • IFN- ⁇ inhibitors are also contemplated. Any monoclonal anti-IFN- ⁇ antibody capable of inhibiting the activity of human IFN- ⁇ can be used. Among these are the humanized anti-IFN- ⁇ antibody fontolizumab (HUZAF® PDL Biopharma, Inc.). The sequences of the heavy and light chain variable regions of this antibody are reported in U.S. Patent Application Publication 2002/0091240 as SEQ ID NOs:6 and 8, respectively. These sequences and any other description of this antibody included in U.S. Patent Application Publication 2002/0091240 are incorporated herein by reference. The IFN- ⁇ inhibitors described in U.S. Pat. No.
  • IFN- ⁇ inhibitors comprising a portion of a naturally occurring human IFN- ⁇ receptor, the sequence of which is reported in Aguet et al. (1988), Cell 55: 273-280 (the relevant portions of which are incorporated herein by reference), can be used to practice the methods described herein.
  • IFN- ⁇ inhibitor is a fusion protein comprising the extracellular region of the human IFN- ⁇ receptor fused to a human IgG1 Fc region, which is described in U.S. Pat. No.
  • IFN- ⁇ inhibitors are the fusion proteins containing part or all of the extracellular regions of IFN- ⁇ receptor ⁇ and IFN- ⁇ receptor ⁇ , as described is U.S. Patent Application Publication 2007/0020283, the relevant portions of which are incorporated herein by reference.
  • Another IFN- ⁇ inhibitor is the cytokine which is a specific antagonist of IFN- ⁇ , which is described in U.S. Pat. No. 5,612,195, the relevant portions of which are incorporated herein by reference.
  • Still other IFN- ⁇ inhibitors are the genetically modified, inactivated protein derivatives of human IFN- ⁇ described in U.S.
  • BCRF1 protein which inhibits production of IFN- ⁇
  • IFN- ⁇ inhibitor that can be used to practice the methods described herein.
  • U.S. Pat. No. 5,736,390 describes such BCRF1 proteins, and the portions of U.S. Pat. No. 5,736,390 that describe these proteins and how to make them are incorporated herein by reference.
  • IFN- ⁇ inhibitors various chemical compounds (which are not proteins) are known to inhibit the synthesis of IFN- ⁇ and are considered to be IFN- ⁇ inhibitors, as meant herein.
  • these are the bis phenol or phenoxy compounds and derivatives thereof described in U.S. Pat. No. 5,880,146.
  • the portions of U.S. Pat. No. 5,880,146 that describes such compounds and how to make them are incorporated herein by reference.
  • the compounds described in U.S. Pat. No. 5,985,863 that inhibit production of IFN- ⁇ by inhibiting production of IFN- ⁇ inducing factor or inhibiting interleukin-1 ⁇ converting enzyme are IFN- ⁇ inhibitors that can be used to practice the methods described herein.
  • Antibodies can be made by introducing hybridoma cells that produce the antibody into the peritoneal cavity of a live mouse, a so-called ascites preparation. Hybridoma cells producing an antibody can also be cultured in vitro. Other in vivo methods of protein production include, for example, protein production in hen eggs, tobacco leaves, and milk.
  • Protein inhibitors of IFN- ⁇ can also be made in prokaryotic or eukaryotic host cells, including bacteria such as Escherichia coli , various yeasts including Saccharomyces cerevisiae and Pichia pastoris , and various kinds of mammalian cells including, without limitation, human cells, baby hamster kidney (BHK) cells, Chinese hamster ovary (CHO) cells, VERO, BHK, HeLa, CV1 (including Cos), MDCK, 293, 3T3, myeloma cell lines (e.g., NSO, NS1), PC12, and WI38 cells.
  • Such host cells, into which nucleic acids encoding the desired protein have been introduced can be cultured in appropriate culture medium, many of which are known in the art, and the desired protein can be recovered from the cell mass or the cell culture medium.
  • CHO cells are widely used for the production of complex recombinant proteins, e.g. cytokines, clotting factors, and antibodies (Brasel et al. (1996), Blood 88:2004-2012; Kaufman et al. (1988), J. Biol. Chem. 263:6352-6362; McKinnon et al. (1991), J. Mol. Endocrinol. 6:231-239; Wood et al. (1990), J. Immunol. 145:3011-3016).
  • DHFR dihydrofolate reductase
  • DXB11 and DG-44 are desirable CHO host cell lines because the efficient DHFR selectable and amplifiable gene expression system allows high level recombinant protein expression in these cells (Kaufman R. J. (1990), Meth. Enzymol. 185:537-566, which is incorporated by reference). In addition, these cells are easy to manipulate as adherent or suspension cultures and exhibit relatively good genetic stability. CHO cells and recombinant proteins expressed in them have been extensively characterized and have been approved for use in clinical commercial manufacturing by regulatory agencies. The methods of the invention can also be practiced using hybridoma cell lines that produce an antibody. Methods for making hybridoma lines are well known in the art.
  • Described herein are methods for determining a pharmacodynamically effective dosage of an IFN- ⁇ inhibitor for treating an IFN- ⁇ mediated disease, as well as methods of treatment using such dosages.
  • the method includes assaying for the expression of one or more genes at either the protein or RNA level both before and after administering an IFN- ⁇ inhibitor.
  • the gene(s) can be selected from the genes listed in Table 1 (genes whose expression is modulated in human blood by stimulation with IFN- ⁇ ex vivo), Table 2 (twenty genes whose expression is modulated in human blood to the greatest extent by IFN- ⁇ stimulation ex vivo), Table 3 (ten genes whose expression is modulated to the greatest extent by administration of AMG 811 in vivo), Table 5 (genes whose expression is modulated by a neutralizing human anti-human IFN- ⁇ antibody in vivo), and/or Table 6 (genes whose expression is modulated in human blood by stimulation with IFN- ⁇ ex vivo and whose expression is modulated by a neutralizing human anti-human IFN- ⁇ antibody in vivo). Those doses that modulate the expression of one or more of these genes in a direction consistent with inhibition of IFN- ⁇ can be used to treat an IFN- ⁇ mediated disease.
  • a pharmacodynamically effective dosage and/or dosing frequency of an IFN- ⁇ inhibitor can be determined by the effect of an IFN- ⁇ inhibitor on the serum concentration of total IFN- ⁇ protein.
  • an IFN- ⁇ inhibitor for example an IFN- ⁇ binding protein such as AMG 811, can cause elevation of the serum levels of total IFN- ⁇ . See FIGS. 6A and 6B below. Presumably, this effect results from protection of IFN- ⁇ that is bound by the IFN- ⁇ inhibitor from degradation or more rapid clearance. If patients receiving a higher dose of an IFN- ⁇ inhibitor (for example, 180 mg SC of AMG 811 in FIG.
  • a desirable dose of an IFN- ⁇ binding protein for example AMG 811, would be one that causes patients to achieve a higher-than-baseline level of total IFN- ⁇ and to maintain this “plateau” concentration for a time period of, for example, at least about 2, 3, 4, 5, 6, 7, or 8 weeks and/or at least about 1, 2, 3, or 4 months. Based on the data in FIGS.
  • a desirable dose can be greater than about 20 mg SC, at least about 60 mg SC, at least about 180 mg SC, and/or at least about 60 mg IV.
  • dosing frequency can be adjusted such that the levels of total IFN- ⁇ do not fall below about 25%, 50%, 60%, 70%, or 80% of this plateau value.
  • dosing can be more frequent, whereas at a higher dose of an IFN- ⁇ inhibitor where a plateau value is maintained for a longer period, dosing can be less frequent.
  • doses can be administered approximately every 2, 3, 4, or 5 weeks.
  • doses can be administered approximately every 6, 7, 8, 9, 10, 11, or 12 weeks.
  • At least the lower end of dosage ranges for treating patients having SLE and/or lupus nephritis with a human anti-human IFN- ⁇ antibody called AMG 811 have been clarified. See Examples 3 and 4 and FIGS. 4 , 6 - 9 , and 12 - 14 .
  • the lowest dose at which a clear biological effect was observed was a dose of 20 milligrams, although clearer effects were observed in some cases at a dose of 60 mg.
  • the dose can be at least about 10, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, or 250 mg and/or may not exceed 180, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, or 2000 mg.
  • a per-treatment dose of about 15-500, 20-400, 30-300, 60-180, 80-200, or 100-200 milligrams of the antibody can be used to treat an IFN- ⁇ -mediated disease.
  • a per-treatment dose of about 10, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 220, 240, 260, 270, 290, 300, 350, or 400 milligrams can be used.
  • a dose can be gauged on the basis of a patient's body weight.
  • the dose can be from about 0.2 mg/kg to about 10 mg/kg, from about 0.25 mg/kg to about 8 mg/kg, from about 0.5 mg/kg to about 5 mg/kg, from about 1 mg/kg to about 2 mg/kg, from about 1 mg/kg to about 3 mg/kg, or from about 3 mg/kg to about 5 mg/kg.
  • a dose can be administered on the basis of the calculated body surface area of a patient.
  • a dose of at least about 4, 6, 8, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 130, 140, 150, 160, 170, 180, or 190 milligrams per square millimeter (mg/mm 2 ) and/or not more than 200, 220, 240, 260, 280, 300, 320, 340, 360, or 380 mg/mm 2 can be administered.
  • the dose can be from about 8 mg/mm 2 to about 380 mg/mm 2 , from about 10 mg/mm 2 to about 300 mg/mm 2 , from about 20 mg/mm 2 to about 190 mg/mm 2 , from about 40 mg/mm 2 to about 80 mg/mm 2 , from about 80 mg/mm 2 to about 200 mg/mm 2 .
  • IFN- ⁇ -mediated diseases are chronic and/or recurrent, repeated doses of the IFN- ⁇ inhibitor, optionally an anti-huIFN- ⁇ antibody, may be required.
  • Repeated doses can be administered, for example, twice per week, once a week, every two, three, four, five, six, seven, eight, nine, ten, eleven, or twelve weeks, or once every one, two, three, four, five, six, seven, eight, nine, ten, eleven, or twelve months.
  • autoimmune and inflammatory diseases including SLE, including discoid lupus and lupus nephritis, rheumatoid arthritis, type I diabetes, multiple sclerosis, psoriasis, dermatomyositis, sarcoidosis, HLH, and IBDs including Crohn's disease and ulcerative colitis, among a number of others.
  • SLE discoid lupus and lupus nephritis
  • rheumatoid arthritis type I diabetes
  • multiple sclerosis multiple sclerosis
  • psoriasis psoriasis
  • dermatomyositis dermatomyositis
  • sarcoidosis HLH
  • IBDs Crohn's disease and ulcerative colitis
  • kits for identifying patients suffering from an IFN- ⁇ mediated disease likely to benefit from treatment with an IFN- ⁇ inhibitor comprising determining whether the expression of one or more genes listed in Tables 1, 2, 4, 5, and/or 6 in a biological sample from the patient deviates from the expression of that gene(s) in a control biological sample in a direction consistent with excess IFN- ⁇ . If the level of expression of one or more genes mentioned above in the biological sample from the patient deviates from the levels of expression in the control biological sample in a direction consistent with excess IFN- ⁇ , it can indicate that the patient is a candidate for treatment with an IFN- ⁇ inhibitor.
  • the IFN- ⁇ inhibitor can be an anti-huIFN- ⁇ antibody or an IFN- ⁇ receptor.
  • patients likely to benefit from treatment with an IFN- ⁇ inhibitor can be identified by determining the levels of total IFN- ⁇ in a biological sample from the patient as, for example, described in Example 3. Patients with undetectable or very low levels of total IFN- ⁇ may not benefit from therapy with an IFN- ⁇ inhibitor, for example an IFN- ⁇ binding protein such an antibody. On the other hand, patients whose biological samples have total IFN- ⁇ levels that are substantially higher than those detected in a control biological sample can benefit from therapy with an IFN- ⁇ inhibitor, for example an IFN- ⁇ binding protein such an antibody. Thus, determination of total IFN- ⁇ levels in a biological sample from a patient can be used to identify patients likely to benefit from therapy with an IFN- ⁇ inhibitor, for example an IFN- ⁇ binding protein such as an anti-IFN- ⁇ antibody.
  • the methods provided herein can be useful for patients and clinicians in deciding whether to continue a treatment with an IFN- ⁇ inhibitor in a particular patient.
  • the expression of a number of genes is modulated in a statistically significant manner in response to treatment with an anti-huIFN- ⁇ antibody.
  • a variable and episodic disease such as, for example, SLE or MS, it may be impossible to tell from clinical signs and symptoms whether a treatment is having an effect within a given time period, such as, for example, 1, 2, or 3 weeks or 1, 2, 3, 4, 5, or 6 months.
  • an anti-huIFN- ⁇ antibody can comprise the amino acid sequence of SEQ ID NO: 6, 10, 14, or 30 and SEQ ID NO: 8, 12, 16, or 31 and/or can comprise a light chain CDR1 comprising SEQ ID NO:38, 39, or 40, a light chain CDR2 comprising SEQ ID NO:41 or 42, a light chain CDR3 comprising SEQ ID NO:43 or 44, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36 or 37.
  • a method for determining the efficacy of an IFN- ⁇ inhibitor as a treatment for an IFN- ⁇ -mediated disease can comprise the following steps: 1) determining the level of expression of one or more of the genes listed in Table 1, 2, 4, 5, and/or 6 in a biological sample from a patient at the protein or RNA level; 2) determining the level of expression of the same gene(s) in a biological sample from the patient after administration of the drug; 3) comparing the expression of the gene(s) in biological samples from the patient before and after administration of the drug; 4) determining that the drug has shown evidence of efficacy if the level of expression of the gene(s) in the biological sample taken after administration of the drug has been modulated in a direction consistent with inhibition of IFN- ⁇ ; and 5) continuing treatment with the drug if it is determined that the drug has shown evidence of efficacy and discontinuing treatment with the drug if it is determined that the drug has not shown evidence of efficacy.
  • IFN- ⁇ -mediated diseases Treatments exist for most IFN- ⁇ -mediated diseases, even though many of these treatments are relatively ineffective, effective for only a subset of patients, and/or have substantial toxicities that limit patient tolerance of treatment.
  • the IFN- ⁇ inhibitors described herein can be combined with other existing therapies for IFN- ⁇ -mediated diseases.
  • an SLE patient can be treated concurrently with another therapy for SLE plus an IFN- ⁇ inhibitor such as an anti-IFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36.
  • an IFN- ⁇ inhibitor such as an anti-IFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy
  • glucocorticoids such as prednisone, prednisolone, and methylprednisolone
  • antimalarials such as hydroxychloroquine, quinacrine, and chloroquine
  • retinoic acid aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs)
  • NSAIDs nonsteroidal anti-inflammatory drugs
  • cyclophosphamide dehydroepiandrosterone
  • mycophenolate mofetil mycophenolate mofetil
  • azathioprine chlorambucil
  • methotrexate tacrolimus
  • dapsone thalidomide
  • leflunomide cyclosporine
  • anti-CD20 antibodies such as rituximab
  • BLyS inhibitors such as belimumab
  • fusion proteins such as abatacept.
  • a patient suffering from an inflammatory bowel disease can be concurrently treated with a therapy for IBD plus an IFN- ⁇ inhibitor, such as an anti-huIFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36.
  • an IFN- ⁇ inhibitor such as an anti-huIFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR
  • Existing therapies for IBD include sulfasalazine, 5-aminosalicylic acid and its derivatives (such as olsalazine, balsalazide, and mesalamine), anti-TNF antibodies (including infliximab, adalimumab, golimumab, and certolizumab pegol), corticosteroids for oral or parenteral administration (including prednisone, methylprednisone, budesonide, or hydrocortisone), adrenocorticotropic hormone, antibiotics (including metronidazole, ciprofloxacin, or rifaximin), azathioprine, 6-mercaptopurine, methotrexate, cyclosporine, tacrolimus, and thalidomide.
  • Methods of patient stratification and biomarker monitoring concurrently with treatment, as described herein, can be used in patients receiving such combination drug treatments.
  • a patient suffering from rheumatoid arthritis can be concurrently treated with a drug used for RA therapy plus an IFN- ⁇ inhibitor, such as an anti-huIFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36.
  • an IFN- ⁇ inhibitor such as an anti-huIFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43,
  • RA rheumatoid arthritis
  • NSAIDs non-steroidal anti-inflammatory drugs
  • COX-2 cyclooxygenase-2
  • DMARDs disease modifying anti-inflammatory drugs
  • anti-malarials such as hydroxychloroquine
  • cyclophosphamide D-penicillamine, azathioprine, gold salts
  • tumor necrosis factor inhibitors such as etanercept, infliximab, adalimumab, golimumab, and certolizumab pegol
  • CD20 inhibitors such as rituximab
  • IL-1 antagonists such as anakinra
  • IL-6 inhibitors such as tocilizumab
  • JK Janus kinases
  • a patient suffering from sarcoidosis can be concurrently treated with a drug used for sarcoidosis therapy plus an IFN- ⁇ inhibitor, such as an anti-huIFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36.
  • an IFN- ⁇ inhibitor such as an anti-huIFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43,
  • Therapies for sarcoidosis include corticosteroids (may be topical or parenteral, depending on symptoms), salicylates (such as aspirin), and colchicine. Methotrexate, cyclophosphamide, azathioprine, and nonsteroidal anti-inflammatory drugs have also been used in sarcoidosis.
  • Various other treatment strategies can be helpful for some of the many different symptoms of sarcoidosis. For example, heart arrhythmias can be treated with antiarrhythmics or a pacemaker. Hypercalcemia can be treated with hydration, reduction in calcium and vitamin D intake, avoidance of sunlight, or ketoconazole.
  • Skin lesions can be treated with chloroquine, hydroxychloroquine, methotrexate, or thalidomide.
  • Methods of patient stratification and biomarker monitoring concurrently with treatment, as described herein, can be used in patients receiving such a combination treatment including an IFN- ⁇ inhibitor plus an existing treatment for sarcoidosis.
  • a patient suffering from HLH can be concurrently treated with a drug used for HLH therapy plus an IFN- ⁇ inhibitor such as an anti-huIFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36.
  • an IFN- ⁇ inhibitor such as an anti-huIFN- ⁇ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1
  • Therapies for HLH include corticosteroids, intravenous immunoglobulin, IL-1 inhibiting agents such as anakinra, VP-16, etoposide, cyclosporine A, dexamethasone, various other chemotherapeutics, bone marrow transplant or stem cell transplant, and antiviral and/or antibacterial agents. Any one or more of these therapies can be combined with an anti-huIFN- ⁇ treatment. Further, methods of patient stratification and biomarker monitoring concurrently with treatment, as described herein, can be used in patients receiving such a combination treatment including an IFN- ⁇ inhibitor plus an existing treatment for HLH.
  • IFN- ⁇ inhibitors and the other disease treatments described herein can be administered by any feasible method.
  • Therapeutics that comprise a protein will ordinarily be administered by injection since oral administration, in the absence of some special formulation or circumstance, would lead to hydrolysis of the protein in the acid environment of the stomach.
  • Subcutaneous, intramuscular, intravenous, intraarterial, intralesional, or peritoneal injection are possible routes of administration.
  • Topical administration is also possible, especially for diseases involving the skin.
  • IFN- ⁇ inhibitors, and/or other therapeutics comprising a protein can be administered through contact with a mucus membrane, for example by intra-nasal, sublingual, vaginal, or rectal administration or as an inhalant.
  • Therapeutics that are small molecules can be administered orally, although the routes of administration mentioned above are also possible.
  • Extracted feature intensities for each channel on each array were processed separately by subtracting the lower 0.1 th percentile from all intensities and then taking the log base 2.
  • the transformed intensities were mapped using a non-linear function to ensure the distribution of the intensities were comparable between arrays and channels.
  • Arrays were hybridized using a loop-design that allowed estimation and removal of technical bias when averaging the technical repeats.
  • a pre-filtering step was applied. Reporters with low levels of expression were removed if 90% of the values fell below the limit of detection, defined as 1.96 standard deviations above mean background. Background was determined by a set of sequences on the array that are specifically designed to not hybridize with human sequences. Reporters with small dispersion are unlikely to be meaningfully changed, and so, to reduce noise, these were removed. They were defined as those where the fold change between the 5 th and 95 th percentile was less than 1.5.
  • each dot represents the average fold change in expression of an individual gene at the RNA level in blood from a healthy volunteer stimulated ex vivo with IFN- ⁇ as compared to the same blood pre-stimulation.
  • the x-axis reflects the fold change
  • the y-axis represents the p-value of the difference in gene expression in post-stimulation blood as compared to pre-stimulation blood.
  • a p-value of 0.05 or less would be considered to indicate statistical significance.
  • the circled dots in FIG. 1 correspond to the twenty genes that showed the greatest fold change in expression upon stimulation with IFN- ⁇ , where the change had a nominal significance level of 0.001 or less.
  • A_23_P421423 SEQ ID NO: 263 TNFAIP2 NM_006291 tumor necrosis factor, alpha-induced protein 2 up A_23_P14174 SEQ ID NO: 213 TNFSF13B NM_006573 tumor necrosis factor (ligand) superfamily, up member 13b A_23_P29237 SEQ ID NO: 404 APOL3 NM_145641 apolipoprotein L, 3 up A_23_P64721 SEQ ID NO: 276 GPR109B NM_006018 G protein-coupled receptor 109B up A_23_P166633 SEQ ID NO: 405 ITGB5 NM_002213 integrin, beta 5 down A_24_P98109 SEQ ID NO: 334 SNX10 NM_013322 sorting nexin 10 up A_24_P243528 SEQ ID NO: 406 HLA-DPA1 NM_033554 major histocompatibility complex, class
  • A_23_P209678 SEQ ID NO: 237 PLEK NM_002664 pleckstrin up A_23_P258493 SEQ ID NO: 247 LMNB1 NM_005573 lamin B1 up A_23_P146943 SEQ ID NO: 484 ATP1B1 NM_001677 ATPase, Na+/K+ transporting, beta 1 up polypeptide A_23_P208119 SEQ ID NO: 84 PSTPIP2 NM_024430 proline-serine-threonine phosphatase up interacting protein 2 A_24_P915692 SEQ ID NO: 485 PHLDA1 NM_007350 pleckstrin homology-like domain, family A, down member 1 A_23_P259561 SEQ ID NO: 486 A_23_P259561 THC2632039 Low quality annotation - Q8SPE4_9PRIM up (Q8SPE4) Major histocompatibility complex (
  • A_23_P35912 SEQ ID NO: 129 CASP4 NM_033306 caspase 4, apoptosis-related cysteine up peptidase A_23_P252413 SEQ ID NO: 495 MT2A ENST00000245185 metallothionein 2A up A_32_P118013 SEQ ID NO: 496 A_32_P118013 THC2657593
  • A_23_P201587 SEQ ID NO: 497 SORT1 NM_002959 sortilin 1 up A_23_P347040 SEQ ID NO: 255 DTX3L NM_138287 deltex 3-like ( Drosophila ) up A_23_P47304 SEQ ID NO: 267 CASP5 NM_004347 caspase 5, apoptosis-related cyst
  • A_23_P116414 SEQ ID NO: 532 HRASLS3 NM_007069 HRAS-like suppressor 3 up A_23_P59210 SEQ ID NO: 533 CDKN1A NM_000389 cyclin-dependent kinase inhibitor 1A (p21, up Cip1)
  • A_23_P42969 SEQ ID NO: 266 FGL2 NM_006682 fibrinogen-like 2 up A_24_P403417
  • SEQ ID NO: 534 PTGES NM_004878 prostaglandin E synthase down A_23_P17655 SEQ ID NO: 230 KCNJ15 NM_170736 potassium inwardly-rectifying channel, up subfamily J, member 15 A_23_P91230 SEQ ID NO: 535 SLPI NM_003064 secretory leukocyte peptidase inhibitor up A_23_P152234 SEQ ID NO: 536 CMTM2 NM_144673 CKLF-
  • A_23_P44836 SEQ ID NO: 565 NT5DC2 NM_022908 5′-nucleotidase domain containing 2 down A_23_P68106 SEQ ID NO: 566 TMSB10 NM_021103 thymosin, beta 10 up A_23_P2793 SEQ ID NO: 567 ALOX5AP NM_001629 arachidonate 5-lipoxygenase-activating down protein A_24_P481844 SEQ ID NO: 568 HLA-DMB BC035650 major histocompatibility complex, class II, up DM beta A_23_P133133 SEQ ID NO: 206 ALPK1 NM_025144 alpha-kinase 1 up A_24_P315405 SEQ ID NO: 569 A_24_P315405 A_24_P315405 Unknown up A_23_P251480 SEQ ID NO: 245 NBN NM_001024688 nibrin up
  • A_23_P256724 SEQ ID NO: 616 TNFRSF10C NM_003841 tumor necrosis factor receptor superfamily, down member 10c, decoy without an intracellular domain A_23_P205489 SEQ ID NO: 617 SLC7A8 NM_182728 solute carrier family 7 (cationic amino acid down transporter, y+ system), member 8 A_24_P243749 SEQ ID NO: 618 PDK4 NM_002612 pyruvate dehydrogenase kinase, isozyme 4 down A_24_P272389 SEQ ID NO: 619 LOC285216 AK092228 hypothetical protein LOC285216 up A_23_P161125 SEQ ID NO: 620 MOV10 NM_020963 Mov10, Moloney leukemia virus 10, homolog up (mouse) A_24_P659202 SEQ ID NO: 323 A_24_P659202 THC252777
  • A_24_P7322 SEQ ID NO: 632 A_24_P7322 A_24_P7322 Unknown up A_23_P343837 SEQ ID NO: 254 PARP11 NM_020367 poly (ADP-ribose) polymerase family, up member 11 A_23_P90041 SEQ ID NO: 633 NLRP12 NM_033297 NLR family, pyrin domain containing 12 down A_32_P121978 SEQ ID NO: 634 A_32_P121978 A_32_P121978 Unknown up A_23_P202837 SEQ ID NO: 635 CCND1 NM_053056 cyclin D1 up A_24_P136866 SEQ ID NO: 636 SLC8A1 NM_021097 solute carrier family 8 (sodium/calcium up exchanger), member 1 A_24_P97342 SEQ
  • A_23_P303242 SEQ ID NO: 668 MT1X NM_005952 metallothionein 1X up A_24_P156490 SEQ ID NO: 133 KCNMA1 NM_002247 potassium large conductance calcium- up activated channel, subfamily M, alpha member 1 A_32_P103695 SEQ ID NO: 669 FAM92A1 CR627475 family with sequence similarity 92, member up A1 A_24_P335305 SEQ ID NO: 670 OAS3 NM_006187 2′-5′-oligoadenylate synthetase 3, 100 kDa up A_23_P52266 SEQ ID NO: 671 IFIT1 NM_001548 interferon-induced protein with up tetratricopeptide repeats 1 A_23_P24104 SEQ ID NO: 672 PLAU NM_002658 plasminogen activator, urokinase up A_23_P16
  • A_23_P87879 SEQ ID NO: 677 CD69 NM_001781 CD69 molecule up A_23_P41344 SEQ ID NO: 678 EREG NM_001432 epiregulin down A_23_P48596 SEQ ID NO: 679 RNASE1 NM_198232 ribonuclease, RNase A family, 1 (pancreatic) down A_23_P135755 SEQ ID NO: 680 IL8RB NM_001557 interleukin 8 receptor, beta down A_23_P132822 SEQ ID NO: 115 XRN1 NM_019001 5′-3′ exoribonuclease 1 up A_23_P213014 SEQ ID NO: 681 SLC2A9 NM_001001290 solute carrier family 2 (facilitated glucose up transporter), member 9 A_32_P399546 SEQ ID NO: 343 ARNTL2 AF256215 aryl hydrocarbon receptor nuclear up translocator
  • sequences of the Agilent® probes are publicly available in the Gene Expression Omnibus (GEO) Database of NCBI.
  • GEO Gene Expression Omnibus
  • Serum CXCL10, CCL2, C—C motif chemokine 5 (CCL5; also known as RANTES), and IL-18 concentrations were determined with commercially available ELISAs according to the manufacturers' instructions (R&D Systems, Minneapolis, Minn. and Medical & Biological Laboratories Co, Ltd, Des Plaines, Ill.). Samples were analyzed in triplicate and levels were quantified by interpolation from a standard curve run in parallel on each micro-titer plate. Log ratio of gene expression in lupus subjects relative to healthy subjects along with 95% confidence intervals were estimated using linear regression and expressed as fold change. See Kackar, R. N., and Harville, D. A. 1984. Approximations for Standard Errors of Estimators of Fixed and Random Effects in Mixed Linear-Models. Journal of the American Statistical Association 79: 853-862, the relevant portions of which are incorporated herein by reference.
  • Described below is a phase 1, randomized, double-blind, placebo-controlled, single dose escalation study of an anti-huIFN- ⁇ antibody (AMG 811) in subjects with mild, stable SLE.
  • Anti-huIFN- ⁇ antibodies including AMG 811, are described herein (above under the heading “Interferon Gamma Inhibitors”) and in U.S. Pat. No. 7,335,743, the relevant portions of which are incorporated herein by reference.
  • Adults aged 18 to 65 with a diagnosis of SLE (as defined by the American College of Rheumatology classification criteria) of at least 6 months duration were enrolled.
  • Anti-malarials, leflunomide, or methotrexate, and up to 20 mg/day of prednisone (or equivalent) were permitted as concomitant therapies.
  • the subjects had stable disease, that is, symptoms that were constant with no change in therapy for at least 30 days prior to randomization.
  • AMG 811 Fifty percent of placebo subjects and 28% of the subjects receiving AMG 811 were on corticosteroids, receiving mean doses of 10 mg/day and 13.5 mg/day, respectively. Seventy five percent of placebo subjects and 100% of the subjects receiving AMG 811 were on anti-malarials, while a single subject in the AMG 811 group was on an immunosuppressant (methotrexate).
  • Each subject was treated with a single dose of AMG 811 (2 milligrams (mg) subcutaneous (SC), 6 mg SC, 20 mg SC, 60 mg SC, 180 mg SC, or 60 mg intravenous (IV)) or placebo (vehicle control) on day 1 of the study.
  • the end of study (EOS) ranged from day 84 to day 196 depending on the dose level.
  • Serum tube and PAXgene® blood RNA tube samples were collected from all cohorts at baseline, that is, on day 1 prior to dosing and at days 15, 56, and EOS after treatment. All samples were collected and included for analysis with the exception of one placebo EOS sample, one EOS sample from the 6 mg treated cohort, and two day 15 samples from the 20 mg cohort.
  • RNA was isolated from each sample and processed and analyzed by hybridization to a microarray as described in Example 1 above, except that the pre-filtering step to remove genes having low levels of expression was not performed.
  • results are shown in the left panel of FIG. 3 , which shows the fold difference in expression of individual genes at the RNA level in day 15 blood samples from patients treated with AMG 811 and baseline or placebo-treated subjects.
  • dots represent data from a particular gene sequence.
  • the x-axis shows the fold difference in RNA expression in samples from patients treated with AMG 811 versus in samples from patients treated with placebo. Dots representing the same twenty genes that were circled in FIG. 1 are also circled here.
  • A_23_P112026 SEQ ID NO: 350 INDO1, indoleamine 2,3- SEQ ID NO: 50 11.3 1.1 ⁇ 1.4 0.076 dioxygenase 1 (10.0, 12.8) ( ⁇ 1.2, 1.4) ( ⁇ 2.0, 1.0) (NM_002164)
  • A_23_P161428 SEQ ID NO: 72 ANKRD22, ankyrin repeat SEQ ID NO: 51 10.8 1.3 ⁇ 2.2 ⁇ 0.001 domain 22 (NM_144590) (8.8, 13.2) ( ⁇ 1.0, 1.7) ( ⁇ 3.0, ⁇ 1.6)
  • A_23_P18452 SEQ ID NO: 109 CXCL9, chemokine SEQ ID NO: 52 9.8 1.3 ⁇ 1.3 ⁇ 0.001 (C-X-C motif) ligand 9 (8.4, 11.4) (1.1, 1.5) ( ⁇ 1.6, ⁇ 1.2) (NM_002416)
  • GBP1 RNA expression decreased at day 15 as compared to day ⁇ 1 in each patient treated with AMG 811.
  • GBP-1 is one of the genes whose expression is upregulated by IFN- ⁇ stimulation of blood of healthy volunteers ex vivo, these results suggest that inhibition of IFN- ⁇ is occurring in every patient treated with AMG 811 in this study.
  • FIG. 4 shows the fold change in CXCL10 protein levels at Days 15 and 56 and at the end of study (EOS) as compared to baseline CXCL10 protein levels, with error bars showing the 95% confidence intervals using small sample size correction.
  • AMG 811 in serum were determined using a validated sandwich immunoassay at Amgen Inc., Thousand Oaks, Calif. Study samples were added to a plate coated with a mouse anti-AMG 811 monoclonal antibody. After capture of AMG 811 with the immobilized antibody, unbound materials were removed by a wash step. Biotin conjugated rabbit anti-AMG 811 polyclonal antibody (Amgen Inc., CA) was added to detect the captured AMG 811. After another incubation step with streptavidin-HRP, a tetramethylbenzidine (TMB) peroxide substrate solution (KPL Inc., MD) was added to produce a colorimetric signal, which was proportional to the amount of AMG 811 bound by the capture reagent.
  • TMB tetramethylbenzidine
  • AMG 811 exhibited linear pharmacokinetics (PK, with a mean terminal half-life (t 1/2,z ) ranging from 12 to 21 days. Following a single 60 mg IV dose, the mean area under the curve (AUC) value was approximately 3-fold higher than for the 60 mg SC dose, indicating an approximate 30% bioavailability.
  • Mean AMG 811 PK parameters are presented in Table 3.
  • IFN- ⁇ protein in patients dosed with AMG 811 were also determined.
  • the total IFN- ⁇ concentration in human serum was measured using a validated sandwich immunoassay at Amgen Inc., Thousand Oaks, Calif. Specifically, study samples were incubated with 25 ⁇ g/mL of AMG 811 at 37° C. to form IFN- ⁇ -AMG 811 complexes prior to being added to a plate coated with a mouse anti-IFN- ⁇ monoclonal antibody (Hycult Biotechnology, Uden, Netherlands). After capture of IFN- ⁇ -AMG 811 complex with the immobilized anti-IFN- ⁇ monoclonal antibody, unbound materials were removed by a wash step.
  • Biotin conjugated rabbit anti-AMG 811 polyclonal antibody (Amgen Inc., CA) was added for detection of the captured IFN ⁇ -AMG 811 complex.
  • a tetramethylbenzidine (TMB) peroxide substrate solution (KPL Inc., MD) was added to produce a colorimetric signal, which was proportional to the amount of IFN ⁇ bound by the capture reagent.
  • the color development was stopped by addition of H 2 SO 4 , and the optical density (OD) signal was measured at 450 nm with reference to 650 nm.
  • the absorbance versus concentration relationship was regressed according to a four-parameter logistic (auto-estimate) regression model with a weighting factor of 1/Y.
  • the LLOQ of the method was 50 pg/mL.
  • the total IFN- ⁇ concentration represents both bound and free endogenous levels. Free IFN- ⁇ levels were not assessed separately. An amount of AMG 811 sufficient to saturate all IFN- ⁇ was added to the serum samples, and the resulting AMG 811:IFN- ⁇ complexes were detected by means of the sandwich immunoassay, as described above. These results are shown in FIGS. 6A (median levels) and 6 B (mean levels). Total IFN- ⁇ median levels increased in a dose-dependent manner, then returned to baseline by approximately 6 to 7 months postdose. FIG. 6A . The plateau in C max values at doses of 60 and 180 mg SC and 60 mg IV may indirectly reflect the saturation of circulating, IFN- ⁇ levels by AMG 811. These data suggest that 60 mg SC was the lowest dose tested that saturated the available IFN- ⁇ in patients. At doses of 180 mg SC or 60 mg IV, the data suggest that this saturation of available IFN- ⁇ was maintained for a longer period of time.
  • dosing frequency can be adjusted so as to maintain levels of total IFN- ⁇ at or near the plateau concentrations observed at the higher doses.
  • a level of total IFN- ⁇ of almost 400 pg/ml is achieved at early timepoints, which starts to drop off at about three or four weeks post-dosing.
  • Dosing repeated about every 3, 4, 5, or 6 weeks could be beneficial at a dose of 60 mg SC.
  • levels of total IFN- ⁇ of around 400 pg/ml are achieved, but start to drop off at about 8, 9, 10, 11, or 12 weeks post dosing.
  • Dosing repeated about every 4, 6, 8, 9, 10, 11, 12, 13, or 14 weeks could be beneficial at doses of 180 mg SC or 60 mg IV.
  • IFN- ⁇ is undetectable or detectable at only low levels in peripheral blood.
  • the comparatively high levels of total IFN- ⁇ detected upon dosing with AMG 811 indicate that IFN- ⁇ is likely produced at much higher levels than are generally appreciated and rapidly clearly from circulation.
  • the relatively high levels of IFN- ⁇ detected in the presence of AMG 811 may be due to protection of the IFN- ⁇ from degradation and/or reduced clearance by binding to AMG 811. This assay allows for a better determination of the total production of IFN- ⁇ in an individual and can be useful for determination of dose, dosing frequency, and stratification purposes.
  • a multi-dose trial was initiated to determine the safety and tolerability of multiple subcutaneous doses of AMG 811 in SLE patients with or without lupus nephritis.
  • Part A of the study included three cohorts, 1, 2, and 3, each containing eight SLE patients without lupus nephritis.
  • a patient must have been diagnosed with SLE at least 6 months before the start of the study.
  • Prednisone at a dose of 20 mg/day was permitted during the study, as were concurrently administered medications used for treating SLE including mycophenolate mofetil, azathioprine, leflunomide, methotrexate, and anti-malarials.
  • Part B of the study will include cohorts, 4, 5, and 6.
  • Patients in cohorts 4-6 are required to have been diagnosed with SLE at least 6 months before the start of the study and with proliferative glomerulonephritis, as evidenced by a renal biopsy and urine protein/creatinine ratio of >1 or a 24 hour urine protein level of >1 g/day.
  • Cohorts 4 and 5 contained eight and twelve SLE patients that had lupus nephritis, respectively.
  • Cohort 6 is to contain eight lupus nephritis patients.
  • Two of the patients in each of cohorts 4 and 6 and three of the twelve patients in cohort 5 will receive (and, in some cases, have received) three doses of placebo administered every four weeks, and the other patients will receive three doses AMG 811 (20, 60, or 120 mg for cohorts 4, 5, and 6, respectively) administered every four weeks, that is, on days 1, 29, and 57.
  • Blood samples will be taken at baseline, i.e., one to three days before dosing, and on days, 1 (after dosing), 3, 8, 15, 29, 57, 85, 113, and 197 (which was the end of the study (EOS)) to determine levels of expression of various biomarker genes.
  • Samples will be analyzed for RNA expression by DNA array as described above in Example 3 or for expression of selected proteins by ELISA assay.
  • Blood samples taken at baseline and on days 1 (after dosing), 3, 5, 8, 15, 22, 29 (pre-dosing), 43, 57 (pre- and post-dosing), 59, 61, 64, 71, 78, 85, 113,141, 169, and 197 will be analyzed to assess a number of laboratory parameters. Twenty four hour urine samples were taken at baseline and on days 15, 29 (pre-dosing), 57 (pre-dosing), 85, 113, 141, 169, and 197 (EOS).
  • Urine samples were taken at baseline and on days 3, 8, 15, 22, 29 (pre-dosing), 43, 57 (pre-dosing), 71, 85, 113, 141, 169, and 197 (EOS).
  • Urine samples were analyzed for levels of urine protein using the a dye-binding assay (pyrocatechol violet-ammonium molybdate dye), which was analyzed in a “dry-slide” format using an automated laboratory analyzer such as the Ortho-Clinical VITROS® 5,1 FS Chemistry Analyzer from Ortho Clinical Diagnostics.
  • a dye-binding assay pyrocatechol violet-ammonium molybdate dye
  • Creatinine levels in urine samples were assessed by a multi-step coupled enzymatic two-point rate colorimetric assay (creatinine amidohydrolase/creatine amidinohydrolase/sarcosine oxidase/peroxidase) analyzed using a dry-slide format and automated laboratory analyzer.
  • a multi-step coupled enzymatic two-point rate colorimetric assay creatinine amidohydrolase/creatine amidinohydrolase/sarcosine oxidase/peroxidase
  • Table 4 below are listed the ten genes whose expression, as detected at the RNA level, was most significantly correlated with the concentration of AMG 811 in serum as assessed in the single dose clinical trial described in Example 3. Data from the multiple dose clinical trial described in Example 4 showed that the average of the expression levels of these ten genes was responsive to the dosage level of AMG 811.
  • FIG. 7 shows the average AMG 811 Score for the lupus nephritis patients receiving placebo or 20 or 60 mg of AMG 811.
  • the average AMG 811 Score for patients receiving 20 mg or 60 mg was significantly less than the average score for patients receiving placebo.
  • the amount of reduction in the AMG 811 Score was smaller than what was seen in the general SLE population (data not shown), suggesting that the 60 mg doses may not be high enough to achieve the maximal pharmacodynamic effect of AMG 811 in lupus nephritis patients.
  • FIG. 8 shows the fold change from baseline in the expression of CXCL10 at the protein level as measured by ELISA.
  • FIG. 9 shows similar data from the lupus nephritis patients in cohorts 4 and 5, who received multiple doses of 20 mg and 60 mg, respectively. These data indicate that the 20 mg and 60 mg multiple dose regimes used were effective to reduce in vivo expression of CXCL10 among SLE patients, indicating that these dosage regimes are having a biological effect. These data indicate that the 60 mg multiple dose regime did reduce in vivo expression of CXCL10 in lupus nephritis patients at some early time points, although effects were not as clear as those observed in SLE patients without nephritis.
  • lupus nephritis patients dosed with 20 mg of AMG 811 did not exhibit a clear decrease in serum levels of CXCL10.
  • This difference in apparent dosing requirements between SLE and lupus nephritis patients could reflect a generally more highly activated IFN- ⁇ pathway in lupus nephritis patients as compared to SLE patients.
  • More highly expressed IL-18, IP-10, and CCL2 proteins FIG. 2
  • these data suggest that expression of biomarkers, for example, CXCL10, IL-18, CCL2, etc., could guide dose selection.
  • FIG. 10 shows serum CXCL10 levels as fold change from baseline plotted against serum concentration of AMG 811 in combined patients with general SLE and with lupus nephritis. Higher levels of AMG 811 correlate with further reduction in CXCL10 levels. This suggests that AMG 811 is reducing CXCL10 levels in these patients.
  • amino acid and protein sequences included in the database entries having the accession numbers listed in Table 5 are incorporated herein by reference.
  • sequences of the AGILENT® probes are publicly available in GEO database of NCBI website as mentioned above.
  • AMG 811 affects expression of many genes in viva Among these are a number of genes whose expression is also modulated by IFN- ⁇ ex vivo as described in Example 1 and Table 1 above.
  • the thresholds for being included in this list included (a) being included in Table 1 and (b) being significantly (p ⁇ 0.05) modulated in vivo in patients receiving AMG 811 as compared to patients receiving placebo.
  • Assaying for levels of expression of one or more of the genes in Tables 1, 2, 4, 5, and/or 6 in a biological sample from a diseased patient, optionally an SLE patient, before treatment with an IFN- ⁇ inhibitor, such as AMG 811, and comparison to levels of expression in a control biological sample can indicate which patients might benefit from treatment with an IFN- ⁇ inhibitor.
  • Patients expressing elevated levels of an RNA or protein that is downregulated in vivo by AMG 811 or decreased levels of an RNA or protein that is upregulated by AMG 811 in vivo might benefit from treatment with an IFN- ⁇ inhibitor.
  • patients expressing elevated or lowered levels of an RNA or protein that is up- or down-regulated by IFN- ⁇ could also benefit from treatment with an IFN- ⁇ inhibitor.
  • comparison of expression levels of one or more of the genes listed in Tables 1, 2, 4, 5, and/or 6 before and after treatment with an IFN- ⁇ inhibitor can indicate whether the IFN- ⁇ inhibitor is having a biological effect in a particular patient in vivo. If so, continuing treatment can be advantageous for that patient. If not, treatment can be discontinued, or the IFN- ⁇ inhibitor can be administered at a higher dose or at a greater frequency.
  • FIG. 11 levels of GBP1 transcript versus AMG 811 concentration in serum on days 1 and 15 of the study in lupus nephritis patients are plotted. Comparing FIG. 11 to the right panel of FIG. 3 , which contains similar data from SLE patients, a number of conclusions can be made. First, lupus nephritis patients as a group have higher levels of GBP1 expression at baseline than SLE patients as a group. Further, whereas all SLE patients exhibited a decrease in GBP1 expression upon administration of AMG 811, this was not true for lupus nephritis patients.
  • Urine protein amounts were determined by a dye-binding assay (pyrocatechol violet-ammounium molybdate dye) analyzed in a “dry slide” format using an automated laboratory analyzer. Samples used were either a collection of all the patient's urine over a 24 hour period (24 hour urine protein) or a single urine sample (spot urine protein). Urine creatinine was assessed by a multi-step coupled enzymatic two-point rate colorimetric assay (creatininie amidohydrolase/creatine amidinohydrolase/sarcosine oxidase/peroxidase) analyzed using a “dry slide” format in an automated laboratory analyzer.
  • a dye-binding assay pyrocatechol violet-ammounium molybdate dye
  • Cohorts 4 and 5 comprised lupus nephritis patients receiving doses of 20 mg or 60 mg AMG 811, respectively, or placebo. Although some results from these cohorts are now available, the results are still blinded. Since only two of eight (cohort 4) and three of twelve (cohort 5) patients received placebo, differences in clinical parameters between cohorts 4 and 5 might indicate dose-dependent responses to AMG 811. Among the various measurements made, the following tests indicated no clear difference between cohorts 4 and 5: spot urine creatinine, 24 hour urine creatinine, serum creatinine, serum albumin, complement factors C3 and C4, and anti-double stranded DNA antibodies.
  • urine protein in a 24 hour urine collection and the ratio of urine protein to urine creatinine (UPCR) clearly differed between cohorts 4 and 5, as shown in FIGS. 12 and 13 .
  • High amounts of urine protein and/or high UPCR indicate impairment of kidney function. Since all but two of the patients in cohort 4 and two or three in cohort 5 received AMG 811, these data suggest that AMG 811 may have a dose-dependent effect on kidney function in lupus nephritis patients. More specifically, these results suggest that a dose of more than 20 mg of AMG 811 is necessary to have a positive effect on kidney function in lupus nephritis patients.
  • a phase 1b single dose crossover study in discoid lupus has been enrolled. Sixteen subjects (of twenty planned subjects) with discoid lupus were dosed with a single dose of 180 milligrams of AMG 811 and a single dose of placebo, each administered subcutaneously, in one of two sequences. Per study protocol, twelve patients were to receive 180 mg SC of AMG 811 on day 1 and a dose of placebo on day 85, and eight patients were to receive a dose of placebo on day 1 and 180 mg SC of AMG 811 on day 85. However, enrollment of the study was stopped after sixteen patients had been enrolled. As primary endpoints of the study, treatment-emergent adverse events, vital signs, clinical laboratory tests, ECGs, and the incidence of binding and neutralizing antibodies to AMG 811 were monitored. Physical examinations were also to be performed.
  • the pharmacokinetic profile of AMG 811 is determined, and CLASI scores are determined.
  • Expression of biomarkers in peripheral blood at the RNA level are assessed by hybridization to a DNA array as described above in samples taken at baseline (in the time period from three days prior to dosing to one day prior to dosing) and on days 15, 29, 57, 85, 99, 113, 141, 169, and 197 (which is the end of study). Analysis of selected biomarkers at the protein level by ELISA may also be performed. In addition, skin samples were taken at baseline and on days 15 and 57 for analysis of biomarker expression at the RNA level by hybridization to a DNA array.
  • Selected biomarkers may also be assayed at the protein level in the skin samples using immunohistochemistry, immunofluorescence, or ELISA. Information available to date indicates that clinical parameters, such as improvements in the CLASI score, did not correlate clearly with dosing of AMG 811. The results of this trial are still blinded.
  • a phase 1b single dose, double-blind, placebo-controlled study in psoriasis is in progress.
  • Nine subjects with moderate to severe plaque psoriasis (having a PASI score 10 and an affected body surface area 10) were enrolled in the study. The study is still blinded. Proceeding with a study plan that originally included ten, not nine, patients, seven or eight patients will receive drug, and one or two patients will receive placebo. Those that receive drug will receive (or have received) a single dose of 180 milligrams of AMG 811 on study day 1.
  • Treatment-emergent adverse events, vital signs, clinical laboratory tests, ECGs, and the incidence of binding and neutralizing antibodies to AMG 811 were monitored. Physical examinations were also performed.
  • FIG. 14 blinded data showing PASI scores for the nine patients in this trial are displayed. Given the design of the trial, one or two of these patients received placebo, and seven or eight received AMG 811. All but one of these eight patients experienced a decrease, i.e., an improvement, in PASI score at some or all post-dose time points, a result indicating that most patients receiving AMG 811 experienced at least a temporary clinical benefit. However, since the data is blinded and one or two of these patients received placebo, the effects of AMG 811 on PASI scores will be more clear when the data is unblinded.

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Abstract

The invention encompasses methods of treatment of interferon gamma (IFN-γ)-mediated diseases using IFN-γ inhibitors, such as anti-huIFN-γ antibodies, wherein levels of expression of one or more biomarkers are determined either before administration of the IFN-γ inhibitor and/or after administration. Also contemplated are methods of treatment using particular, pharmacodynamically effective doses of an anti-huIFN-γ antibody.

Description

    PRIORITY
  • This application claims the benefit of U.S. Provisional Application Nos. 61/563,357, 61/616,846, and 61/651,900 filed Nov. 23, 2011, Mar. 28, 2012, and May 25, 2012, respectively, each of which are incorporated herein in their entirety.
    • REFERENCE TO THE SEQUENCE LISTING
  • The present application is being filed along with a Sequence Listing in electronic format. The Sequence Listing is provided as a file entitled A-1679-US-NP_Sequence_Listing_as_filed, created Nov. 20, 2012, which is 253 KB in size. The information in the electronic format of the Sequence Listing is incorporated herein by reference in its entirety.
    • FIELD
  • This invention is in the field of methods of patient stratification and methods treatment using an interferon gamma (IFN-γ) inhibitor, as well as uses of IFN-γ inhibitors.
    • BACKGROUND
  • IFN-γ plays an important role in regulating the immune system. It is a cytokine with pleiotropic effects and is thought to play a role in mediating various autoimmune diseases, as well as immune responses to infectious agents and cancer cells. See, e.g., Heremans et al., Develop. Biol. Standard., 71: 113-119, in Symposium on Monoclonal Antibodies for Therapy, Prevention and in vivo diagnosis of human disease, Ultrecht, The Netherlands, 1989, S. Karger, Basel, 1990. Comparatively recent analyses of RNA and protein levels have yielded detailed information concerning the identities of collections of genes that are over- and under-expressed in biological samples from patients suffering from autoimmune diseases. For example, in patients suffering from a variety of automimmune diseases, type I (i.e., IFNα, IFNβ, IFNω, IFNε, and IFNκ) and/or type II (i.e., IFN-γ) interferon-induced genes are overexpressed. Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615; Mavragani et al. (2010), Arthr. & Rheum. 62(2): 392-401; Pietrzak et al. (2008), Clinica Chimica Acta 394: 7-21; van Baarsen et al. (2006), Genes and Immunity 7: 522-531; Reynier et al. (2010), Genes and Immunity 11: 269-278; Fiorentino (2008), Arch. Dermatol. 144(10): 1379-1382. In the case of systemic lupus erythematosus (SLE), overexpression of these genes correlates with clinical and laboratory measures of disease activity. See, e.g., Bauer et al. (2006), PLoS Medicine 3(12): 2274-2284; Bauer et al. (2009), Arthr. & Rheum. 60(10): 3098-3107; Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615. Type I and type II interferons affect expression of a distinct, but overlapping, set of genes, and such effects may vary depending on the tissue examined. See, e.g., van Baarsen et al. (2006), Genes and Immunity 7: 522-531 and Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615.
  • Selection of the right patient group and dosage and assessment of patient response to a particular dosage on an ongoing basis can be key factors in the successful use of an IFN-γ inhibitor as a therapeutic for the treatment of autoimmune/inflammatory diseases. Many autoimmune/inflammatory diseases are episodic in nature and have variable clinical manifestations, and possibly also variable etiologies. Some of these diseases have long asymptomatic periods between symptoms or prior to the onset of symptoms. There is a need to determine whether a patient is a candidate for a particular treatment and/or whether an ongoing treatment is having the desired effects. Because of the biological variations between patients who are clinically diagnosed as having the same disease, it is possible that IFN-γ inhibitors may be efficacious for some patients having a particular disease and not for others. Such variations have, for example, been observed in rheumatoid arthritis patients, some of which respond to TNF inhibitors while others do not. See, e.g., Potter et al. (2010), Ann. Rheum Dis. 69: 1315-1320. Thus, it is highly desirable to distinguish patients for whom inhibition of IFN-γ is likely to be helpful from those for whom it is not. Further, the optimal dosage and nature of a particular IFN-γ inhibitor are likely to be important factors in the therapeutic suitability of a treatment, given the important role of IFN-γ in resistance to infections, among other vital functions. Thus, there is a need to assess the efficacy and safety of various doses and/or frequencies of dosing in asymptomatic, as well as symptomatic, periods of a disease. Methods provided herein utilize current technologies for assessing gene expression at the RNA and protein levels to provide more refined and effective methods of treatment using inhibitors of IFN-γ, of identifying optimal doses, and of identifying individuals who are likely to respond to treatment, and/or who are or are not responding to treatment.
    • SUMMARY
  • Described herein are methods of treatment that include administration of an IFN-γ inhibitor to a patient and determination of levels of one or more biomarkers in a biological sample from the patient before and/or after administration of the IFN-γ inhibitor so as to assess the suitability as a treatment or the biological effects of the IFN-γ inhibitor. Such methods can inform decisions as to whether to initiate or continue treatment with an IFN-γ inhibitor. Also described are methods for distinguishing patients likely to benefit from treatment with an IFN-γ inhibitor from those unlikely to benefit by assessing the levels of one or more biomarkers in a biological sample from a patient as compared to the levels of the same biomarkers in biological samples from a healthy control group. Further described herein are methods of treatment that include the use of doses of an anti-IFN-γ antibody within a specified range and/or at a specified frequency of dosing.
  • Herein is described a method of treating a patient suffering from an IFN-γ-mediated disease comprising administering to the patient a monoclonal anti-human interferon gamma (anti-huIFN-γ) antibody at a dose, which can be from about 15 mg (mg) to about 300 mg or from about 30, 40, 50, or 60 mg to about 80, 120, 180, 200, 250, 300 or 400 mg, wherein expression at the RNA or protein level of one or more gene(s) listed in Table 1, 2, 4, 5, and/or 6 in a biological sample from the patient taken before the antibody is administered deviates from expression of that gene(s) in a control biological sample in a direction consistent with excess IFN-γ. In addition, described herein is a use of a monoclonal anti-huIFN-γ antibody as a medicament to treat a patient suffering from an IFN-γ-mediated disease, wherein the dose of the antibody administered is from about 15, 30, 40, 50, or 60 milligrams to about 80, 120, 180, 200, 250, or 300 milligrams and wherein expression at the RNA or protein level of one or more gene(s) listed in Table 1, 2, 4, 5, and/or 6 in a biological sample taken from the patient taken before the antibody is administered deviates from expression of that gene(s) in a control biological sample in a direction consistent with excess IFN-γ. In some embodiments, the expression of at least 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, or 40 genes listed in Table 1, 2, 4, 5, and/or 6 in the biological sample from the patient deviates from the expression of those genes in the control biological sample in a direction consistent with excess IFN-γ. The biological sample from the patient can exhibit expression of one or more of the following human genes at the RNA or protein level that deviates from expression in the control biological sample in a direction consistent with excess IFN-γ: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1), serpin peptidase inhibitor clade B (ovalbumin), member 2 (SERPINB2), matrix metallopeptidase 19 (MMP19), radical S-adenosyl methionine domain containing 2 (RSAD2), heparin sulfate (glucosamine) 3-O-sulfotransferase 1 (HS3ST1), indoleamine 2,3-dioxygenase 2 (IDO2), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274. In some embodiments, the biological sample from the patient can exhibit elevated expression at the RNA or protein level of GBP1 as compared to expression in the control biological sample. The IFN-γ-mediated disease can be systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, psoriasis, or an inflammatory bowel disease, including Crohn's disease and ulcerative colitis. The dose of the anti-huIFN-γ antibody can be from about 40 mg or 60 mg to about 300 mg, from about 20 mg or 80 mg to about 200 or 250 mg, from about 60 or 100 mg to about 180 mg, or about 40, 50, 60, 70, 80, 90, 100, 120, 150, or 180 mg. The anti-huIFN-γ antibody can be administered subcutaneously or intravenously. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In another aspect, described herein is a method for treating a patient having an IFN-γ-mediated disease, for example SLE or an inflammatory bowel disease, with an IFN-γ inhibitor comprising: (a) determining the level(s) of expression in a biological sample from the patient of one or more genes listed in Tables 1, 2, 4, 5, and/or 6 at the RNA or protein level, wherein level of expression of the same gene(s) in a control biological sample is known or determined; (b) comparing the level(s) of expression of the gene(s) in the biological sample from the patient and in the control biological sample; and (c) if the level(s) of expression of the gene(s) in the biological sample from the patient deviate from the levels of expression of the gene(s) in the control biological sample in a direction consistent with excess IFN-γ, administering to the patient a therapeutically effective dose of an IFN-γ inhibitor. In addition, described herein is a use of an IFN-γ inhibitor as a medicament to treat a patient having an IFN-γ-mediated disease, for example SLE or an inflammatory bowel disease, (a) wherein the level(s) of expression in a biological sample from the patient of one or more gene(s) listed in Tables 1, 2, 4, 5, and/or 6 at the RNA or protein level is determined, (b) wherein the level(s) of expression of the same gene(s) in a control biological sample is known or determined, (c) wherein the level(s) of expression of the same gene(s) in the biological sample from the patient and the control biological sample are compared, and (d) wherein if the level(s) of expression of the gene(s) in the biological sample from the patient deviate from the levels of expression of the gene(s) in the control biological sample in a direction consistent with excess IFN-γ, a therapeutically effective dose of the IFN-γ inhibitor is administered. The one or more genes listed in Tables 1, 2, 4, 5, and/or 6 of (a) can include at least about 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, or 40 genes. The IFN-γ inhibitor can be a human or humanized anti-huIFN-γ antibody. The dose of the anti-huIFN-γ antibody administered can be from about 15, 30, or 60 mg to about 300 mg, from about 20, 40, or 80 mg to about 250 mg, or from about 40, 50, or 60 mg to about 120, 150, 180 or 200 mg. The patient can have discoid lupus, lupus nephritis, psoriasis, ulcerative colitis, or Crohn's disease. The biological sample from the patient can exhibit expression of one or more of the following genes at the RNA or protein level that deviates from expression in the control biological sample in a direction consistent with excess IFN-γ: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1), serpin peptidase inhibitor clade B (ovalbumin), member 2 (SERPINB2), matrix metallopeptidase 19 (MMP19), radical S-adenosyl methionine domain containing 2 (RSAD2), heparin sulfate (glucosamine) 3-O-sulfotransferase 1 (HS3ST1), indoleamine 2,3-dioxygenase 2 (IDO2), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274. The IFN-γ inhibitor can be an anti-huIFN-γ antibody that has a heavy chain complementarity determining region 1 (CDR1) comprising the amino acid sequence of SEQ ID NO:34, a heavy chain complementarity determining region 2 (CDR2) comprising the amino acid sequence of SEQ ID NO:35, a heavy chain complementarity determining region 3 (CDR3) comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In another aspect, described herein is method for identifying a patient having an IFN-γ-mediated disease who can benefit from treatment with an IFN-γ inhibitor comprising: (a) determining the level(s) of expression in a biological sample from the patient of one or more of one of the genes listed in Table 1, 2, 4, 5, and/or 6 at the RNA or protein level, wherein level(s) of expression of the same gene(s) in a control biological sample is known or determined; (b) comparing the levels of expression of the gene(s) in the biological sample from the patient and in the control biological sample; and (c) if the level(s) of expression of the gene(s) in the biological sample from the patient deviate from the level(s) in the control biological sample in a direction consistent with excess IFN-γ, determining that the patient can benefit from treatment with an IFN-γ inhibitor and/or administering a therapeutically effective dose of an IFN-γ inhibitor. The one or more genes listed in Tables 1, 2, 4, 5, and/or 6 of (a) can include at least about 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, or 40 genes. The one or more genes can be from Table 1, 2, 4, 5, or 6. In addition, described herein is a use of an IFN-γ inhibitor as a medicament for treating a patient having an IFN-γ-mediated disease, wherein the level(s) of expression in a biological sample from the patient of one or more of one of the genes listed in Table 1, 2, 4, 5, and/or 6 is determined at the RNA or protein level, wherein the level(s) of expression of the same gene(s) in a control biological sample is known or determined; wherein the level(s) of expression of the gene(s) in the biological sample from the patient and in the control biological sample are compared; and wherein if the level(s) of expression of the gene(s) in the biological sample from the patient deviate from the level(s) in the control biological sample in a direction consistent with excess IFN-γ, determining that the patient can benefit from treatment with an IFN-γ inhibitor and/or administering a therapeutically effective dose of an IFN-γ inhibitor. The IFN-γ inhibitor can be an anti-human IFN-γ antibody, for example an antibody comprising the amino acid sequences of SEQ ID NOs: 6 and 8, 10 and 12, 14, and 16, 14 and 31, or 30 and 12. The therapeutically effective dose can be from 60 mg to 500 mg, from 80 mg to 400 mg, from 100 mg to 350 mg, from 60 mg to 180 mg, or from 120 mg to 300 mg. The IFN-γ-mediated disease can be SLE including discoid lupus and lupus nephritis, an inflammatory bowel disease including Crohn's disease and ulcerative colitis, or psoriasis, among other IFN-γ-mediated diseases disclosed herein. The gene(s) can include one or more of the following genes: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1), serpin peptidase inhibitor clade B (ovalbumin), member 2 (SERPINB2), matrix metallopeptidase 19 (MMP19), radical S-adenosyl methionine domain containing 2 (RSAD2), heparin sulfate (glucosamine) 3-O-sulfotransferase 1 (HS3ST1), indoleamine 2,3-dioxygenase 2 (INDO2), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • Further described herein is a method for treating a patient suffering from an IFN-γ-mediated disease comprising: (a) determining the level(s) of expression at the RNA or protein level in a biological sample from the patient of one or more of the genes in Table 1, 2, 4, 5, and/or 6; (b) then administering to the patient a pharmacodynamically effective dose of an IFN-γ inhibitor, for example an anti-huIFN-γ antibody; (c) then determining the level of expression of the gene(s) of step (a) in a biological sample from the patient; and (d) if the level(s) of expression of the gene(s) determined in step (c), as compared to the level(s) of expression determined in step (a), is modulated in a direction consistent with inhibition of IFN-γ, then continuing treatment of the patient with another pharmacodynamically effective dose of the IFN-γ inhibitor. The one or more genes listed in Tables 1, 2, 4, 5, and/or 6 of (a) can include at least about 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, or 40 genes. In addition, described herein is the use of an IFN-γ inhibitor antibody, for example an anti-huIFN-γ antibody, as a medicament for treating a patient suffering from an IFN-γ-mediated disease, wherein (a) the level of expression at the RNA or protein level in a biological sample from the patient of one or more of the genes in Table 1, 2, 4, 5, and/or 6 is determined, (b) then a pharmacodynamically effective dose of the IFN-γ inhibitor is administered to the patient, (c) then the level(s) of expression of the gene(s) of step (a) in a biological sample from the patient is determined, and (d) if the level(s) of expression of the gene(s) determined in step (c), as compared to the level(s) of expression determined in step (a), is modulated in a direction consistent with inhibition of IFN-γ, then continuing treatment of the patient with another pharmacodynamically effective dose of the IFN-γ inhibitor. For an IFN-γ inhibitor that is an anti-huIFN-γ antibody, the pharmacodynamically effective dose can be from about 15, 30, or 60 mg to about 300 mg, from about 20, 40, or 80 mg to about 250 mg, or from about 60 mg to about 180 or 220 mg. The IFN-γ-mediated disease can be selected from the group consisting of SLE, lupus nephritis, discoid lupus, psoriasis, and inflammatory bowel diseases including ulcerative colitis and Crohn's disease. The human genes whose level(s) of expression are determined in (a) and (c) can be selected from the group consisting of: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1), serpin peptidase inhibitor clade B (ovalbumin), member 2 (SERPINB2), matrix metallopeptidase 19 (MMP19), radical S-adenosyl methionine domain containing 2 (RSAD2), heparin sulfate (glucosamine) 3-O-sulfotransferase 1 (HS3ST1), indoleamine 2,3-dioxygenase 2 (IDO2), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274.
  • In another aspect, a method is described for treating a patient suffering from an IFN-γ-mediated disease, for example SLE, lupus nephritis, discoid lupus, psoriasis, or an inflammatory bowel disease, with an IFN-γ inhibitor, for example an anti-huIFN-γ antibody, comprising the following steps: (a) determining the level(s) of expression at the RNA or protein level of one or more genes listed in Tables 1, 2, 4, 5, and/or 6 in a biological sample from the patient; (b) thereafter administering a pharmacodynamically effective dose of the IFN-γ inhibitor to the patient; (c) thereafter determining the level(s) of expression of the gene(s) of (a) in a second biological sample from the patient; and (d) if the level(s) of expression of the gene(s) in second biological sample of (c) is substantially the same as that in the biological sample of (a) or if the level of expression of the gene(s) in second biological sample of (c) deviates from the level of expression in the biological sample of (a) in a direction that is consistent with an excess of IFN-γ, then treatment with the IFN-γ inhibitor can be discontinued. In another aspect, described herein is a use of an IFN-γ inhibitor, for example an anti-huIFN-γ antibody, as a medicament for treating a patient suffering from an IFN-γ-mediated disease, wherein (a) the level(s) of expression at the RNA or protein level of one or more genes listed in Tables 1, 2, 4, 5, and/or 6 in a biological sample from the patient can be determined; (b) thereafter a pharmacodynamically effective dose of the IFN-γ inhibitor can be administered to the patient; (c) thereafter the level(s) of expression of the gene(s) of (a) in a second biological sample from the patient can be determined; and (d) if the level(s) of expression of the gene(s) in second biological sample of (c) is substantially the same as that in the biological sample of (a) or if the level of expression of the gene(s) in second biological sample of (c) deviates from the level of expression in the biological sample of (a) in a direction that is consistent with an excess of IFN-γ, then the treatment with the IFN-γ inhibitor can be discontinued. The one or more genes listed in Tables 1, 2, 4, 5, and/or 6 of (a) can include at least about 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, or 40 genes. Where the IFN-γ inhibitor is an anti-huIFN-γ antibody, the pharmacodynamically effective dose can be from about 15, 30, or 60 mg to about 80, 100, 120, 150, 200, 250, or 300 mg, from about 20, 40, or 80 mg to about 90, 100, 120, 150, 180, or 250 mg, or from about 60 mg to about 180 or 220 mg. The patient can be suffering from systemic lupus erythematosus, lupus nephritis and/or discoid lupus. The patient can be suffering from psoriasis or an inflammatory bowel disease, including Crohn's disease or ulcerative colitis. The genes whose level(s) of expression are determined in (a) and (c) can be selected from the group consisting of: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1), serpin peptidase inhibitor clade B (ovalbumin), member 2 (SERPINB2), matrix metallopeptidase 19 (MMP19), radical S-adenosyl methionine domain containing 2 (RSAD2), heparin sulfate (glucosamine) 3-O-sulfotransferase 1 (HS3ST1), indoleamine 2,3-dioxygenase 2 (IDO2), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • Any of the methods or uses described above or below that utilize an anti-huIFN-γ antibody can utilize an anti-huIFN-γ antibody which can have a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44. In specific embodiments, the heavy chain CDR3 can comprise the amino acid sequence of SEQ ID NO:36, the light chain CDR1 can comprise the amino acid sequence of SEQ ID NO:38, the light chain CDR2 can comprise the amino acid sequence of SEQ ID NO:41, and the light chain CDR3 can comprise the amino acid sequence of SEQ ID NO:43. The heavy chain variable region of the antibody can comprise the amino acid sequence of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30, and the light chain variable region of the antibody can comprise the amino acid sequence of SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31. The heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:6, and the light chain variable region comprises the amino acid sequence of SEQ ID NO:8. The heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:10, and the light chain variable region can comprise the amino acid sequence of SEQ ID NO:12. The heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:14, and the light chain variable region can comprise the amino acid sequence of SEQ ID NO:16. The heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:30, and the light chain variable region can comprise the amino acid sequence of SEQ ID NO:12. The heavy chain variable region can comprise the amino acid sequence of SEQ ID NO:14, and the light chain variable region can comprise the amino acid sequence of SEQ ID NO:31. The anti-huIFN-γ antibody can be a human, humanized, or chimeric antibody of the IgG, IgM, IgE, IgD, or IgA isotype. The anti-huIFN-γ antibody can be an IgG1, IgG2, IgG3, or IgG4 antibody.
  • In another aspect, herein is described a method for treating a patient suffering from an IFN-γ-mediated disease comprising administering to the patient a dose of an anti-IFN-γ antibody such that the concentration of total IFN-γ protein in the patient's serum is maintained at a plateau concentration for at least about two weeks following administration of the antibody, wherein the antibody comprises the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8. The dose can comprise at least about 20, 40, 60, or 80 milligrams and not more than 100, 200, 300, 400, or 500 milligrams of an anti-IFN-γ antibody. The plateau concentration can be maintained for at least about 3, 4, 5, 6, or 8 weeks after the antibody is administered. The plateau concentration of IFN-γ protein in the patient's blood can be from about 100 pg/mL to about 2000 pg/mL and/or at least about 200 or 300 pg/mL. The anti-IFN-γ antibody can comprise a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44. The anti-IFN-γ antibody can comprise the amino acid sequences of SEQ ID NOs: 6 and 8, SEQ ID NOs: 10 and 12, SEQ ID NOs: 14 and 16, SEQ ID NOs: 30 and 12, or SEQ ID NOs: 14 and 31. The dose of the anti-IFN-γ antibody can be at least about 20, 40, 60, 80, 100, 150, 180, 200, 220, or 250 mg and/or not more than 180, 200, 220, 240, 260, 280, 300, 350, 400, 450, or 500 mg and can be administered subcutaneously or intravenously. The level of IFN-γ in the patient's serum can remain above about 100, 200, 250, 300, or 350 picograms per milliliter for at least about 14, 16, 18, 20, 25, 30, 35, 40, 45, or 50 days subsequent to a single dose. The IFN-γ-mediated disease can be psoriasis, SLE, lupus nephritis, discoid lupus, or an inflammatory bowel disease such as Crohn's disease or ulcerative colitis. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • Also herein is described a method for identifying a patient that can benefit from treatment with an IFN-γ inhibitor comprising the following steps: obtaining a biological sample from the patient; determining the levels of IFN-γ protein in the biological sample; and comparing the levels of IFN-γ protein in the biological sample from the patient with the levels determined in a control biological sample; wherein if the levels of total IFN-γ protein in the biological sample from the patient are higher than those in the control biological sample, then the patient is identified as a patient that may benefit from treatment with an IFN-γ inhibitor; and wherein if the levels of IFN-γ protein in the biological sample from the patient are lower than or the same as those in the control biological sample, then the patient is identified as a patient that may not benefit from treatment with an IFN-γ inhibitor. The levels of IFN-γ protein determined can be the levels of total IFN-γ protein, meaning the total of free and bound IFN-γ protein. The IFN-γ inhibitor can be an anti-IFN-γ antibody. The anti-IFN-γ antibody can comprise a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44. The anti-IFN-γ antibody can comprise the amino acid sequences of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In another embodiment, herein is described a method for treating an IFN-γ-mediated disease comprising administering a dose of an IFN-γ inhibitor such that the concentration of total IFN-γ protein in serum is maintained at a plateau concentration for at least about two, three, four, five, six, seven, eight, nine, or ten weeks after administration. The plateau concentration of total IFN-γ protein in serum can be from about 200 to about 2000 picograms per milliliter (pg/mL). The plateau concentration of total IFN-γ protein in serum can be at least about 250, 300, or 350 pg/mL and/or not more than 600, 800, 1000, or 1500 pg/mL. The IFN-γ inhibitor can be a protein that binds to IFN-γ, for example, an anti-IFN-γ antibody. The anti-IFN-γ antibody can comprise a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44. The anti-IFN-γ antibody can comprise the amino acid sequences of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31. Further doses of the IFN-γ inhibitor can be administered at a frequency that maintains a serum concentration of total IFN-γ that is at least half of the plateau concentration. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In still another aspect, herein is described a method of determining a suitable dose of an IFN-γ inhibitor for a patient comprising: determining the total IFN-γ protein concentration in a biological sample from the patient before dosing; administering the IFN-γ inhibitor to the patient at a first dosage amount; and determining the total IFN-γ protein concentration in similar biological samples from the patient periodically after dosing; wherein the first dosage amount is not suitable because it is too low if a plateau concentration of total IFN-γ protein lasting at least two weeks is not achieved or wherein the first dosage amount is high enough if a plateau concentration of total IFN-γ protein lasting at least two weeks is achieved. If the first dosage amount is high enough, the patient can maintain a plateau concentration of IFN-γ protein for at least about two, three, four, five, six, seven, eight, nine, or 10 weeks after dosing. If this is the case, after the concentration of IFN-γ protein has fallen below the plateau level, a second, lower dosage amount of the IFN-γ inhibitor can be administered and total IFN-γ protein concentrations in similar biological samples from the patient can be determined periodically after dosing at the second, lower dosage amount. If the first dosage amount is too low, a second, higher dosage amount of the IFN-γ inhibitor can be subsequently administered and total IFN-γ protein concentration in similar biological samples from the patient can be determined periodically after dosing at the second, higher dosage amount. The biological samples can be serum samples or peripheral blood samples. The IFN-γ inhibitor can be a protein that binds to IFN-γ, for example an anti-IFN-γ antibody, which can be an anti-huIFN-γ antibody. Such an anti-IFN-γ antibody can comprise a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44. Such an anti-IFN-γ antibody can comprise the amino acid sequences of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31. The anti-IFN-γ antibody can be a human or humanized antibody. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In another aspect, herein is described a method of treating a patient suffering from an IFN-γ-mediated disease, the method comprising: selecting a patient, wherein expression at the RNA or protein level of one or more gene(s) listed in Table(s) 1, 2, 4, 5, and/or 6 in a biological sample taken from the patient before treating the patient deviates from expression of that gene(s) in a control biological sample in a direction consistent with excess IFN-γ pathway activation; and administering to the patient a monoclonal human anti-human interferon gamma (anti-huIFN-γ) antibody at a dose of from about 20 milligrams to about 300 milligrams, wherein the antibody is an IgG1 antibody and comprises the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8. The IFN-γ-mediated disease can be selected from the group consisting of systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, inflammatory bowel diseases including Crohn's disease and ulcerative colitis, psoriasis, alopecia greata, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, multiple sclerosis, polymyositis, dermatomyositis, type I diabetes, sarcoidosis, macrophage activation syndrome (MAS), and hemophagocytic lymphohistiocytosis (HLH). The expression of at least 2, 3, 4, 5, 6, 7, 8, 9, 10, or 50 genes listed in Table(s) 1, 2, 4, 5, and/or 6 in the biological sample from the patient can deviate from the expression of those genes in the control biological sample in a direction consistent with excess IFN-γ pathway activation. The biological sample from the patient can exhibit elevated expression at the RNA or protein level as compared to expression in the control biological sample of one or more of the following genes: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), and/or programmed death ligand-1 (PD-L1). The dose can be from about 20 milligrams to about 300 milligrams, from about 80 milligrams to about 200, 250, or 300 milligrams, or from about 20 milligrams to about 60, 70, or 80 milligrams. The antibody can comprise the amino acid sequences of SEQ ID NO:17 and SEQ ID NO:18 and can be administered subcutaneously or intravenously. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In another embodiment, herein is described a method for treating a patient having an IFN-γ-mediated disease with a human anti-huIFN-γ antibody comprising: (a) taking a biological sample from the patient before treatment, wherein level(s) of expression of one or more genes listed in Table(s) 1, 2, 4, 5, and/or 6 at the RNA or protein level in the biological sample is determined and wherein level(s) of expression of the same gene(s) in a control biological sample is known or determined; (b) comparing the levels of expression of the gene(s) in the biological sample from the patient and in the control biological sample; and (c) if the level(s) of expression of the gene(s) in the biological sample from the patient deviate from the level(s) of expression of the gene(s) in the control biological sample in a direction consistent with excess IFN-γ pathway activation, administering to the patient a therapeutically effective dose of the antibody at a dose of from about 30, 40, 50, 60, or 70 mg to about 80, 100, 120, 150, 180, 250, or 300 mg, wherein the antibody comprises the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8. The IFN-γ-mediated disease can be selected from the group consisting of systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, inflammatory bowel diseases including Crohn's disease and ulcerative colitis, psoriasis, alopecia greata, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, multiple sclerosis, polymyositis, dermatomyositis, type I diabetes, sarcoidosis, macrophage activation syndrome (MAS), and hemophagocytic lymphohistiocytosis (HLH). The levels of expression of at least 2, 3, 4, 5, 6, 7, 8, 9, 10, or 50 genes from Table 5 or 6 deviate from the levels of expression of the genes in the control biological sample in a direction consistent with excess IFN-γ pathway activation. The biological sample from the patient can exhibit elevated expression at the RNA or protein level as compared to expression in the control biological sample of one or more of the following genes: indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274. The dose administered can be from about 5, 10, 20, or 30 mg to about 60, 70, or 80 mg or can be from about 60, 70, 80, 90, 100, or 120 mg to about 150, 180, 200, or 250 mg. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In a further aspect, herein is described a method for treating a patient suffering from an IFN-γ-mediated disease comprising: (a) taking a biological sample from the patient before administering a human anti-huIFN-γantibody in step (b), wherein the level(s) of expression at the RNA or protein level in the biological sample from the patient of one or more of the genes in Table(s) 1, 2, 4, 5, and/or 6 is determined; (b) administering to the patient a pharmacodynamically effective dose of the human anti-huIFN-γ antibody, wherein the antibody has a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44; (c) taking a second biological sample taken from the patient after administration of the antibody, wherein the level(s) of expression of the gene(s) of step (a) in the second biological sample are determined; and (d) if the level(s) of expression of the gene(s) determined in step (c), as compared to the level(s) of expression determined in step (a), is modulated in a direction consistent with inhibition of IFN-γ, then continuing treatment of the patient with another pharmacodynamically effective dose of the antibody. The IFN-γ-mediated disease can be selected from the group consisting of systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, inflammatory bowel diseases including Crohn's disease and ulcerative colitis, psoriasis, alopecia greata, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, multiple sclerosis, polymyositis, dermatomyositis, type I diabetes, sarcoidosis, macrophage activation syndrome (MAS), and hemophagocytic lymphohistiocytosis (HLH). The pharmacodynamically effective dose can be from about 5, 10, 20, 30, 40, 50, or 60 mg to about 60, 70, 80, 90, or 100 mg or from about 60, 70, 80, 90, or 100 mg to about 120, 150, 180, 200, or 250 mg. The heavy chain CDR3 can comprise the amino acid sequence of SEQ ID NO:36, the light chain CDR1 comprises the amino acid sequence of SEQ ID NO:38, the light chain CDR2 comprises the amino acid sequence of SEQ ID NO:41, and the light chain CDR3 comprises the amino acid sequence of SEQ ID NO:43. The heavy chain variable region of the antibody can comprise the amino acid sequence of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30, and the light chain variable region of the antibody can comprise the amino acid sequence of SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31. The antibody can comprise the amino acid sequences of SEQ ID NOs:6 and 8, 10 and 12, 14 and 16, 30 and 12, or 14 and 31. The level(s) of expression of one or more of the following genes at the protein or RNA level can be determined in steps (a) and (c): indoleamine 2,3-dioxygenase 1 (IDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274. A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In still a further aspect, provided is method for treating a patient suffering from an IFN-γ-mediated disease with a human anti-huIFN-γ antibody comprising the following steps: (a) taking a biological sample from the patient before administering a human anti-huIFN-γ antibody in step (b), wherein the level(s) of expression at the RNA or protein level of one or more genes listed in Table(s) 1, 2, 3, 5 and/or 6 in the biological sample are determined; (b) administering to the patient the human anti-human IFN-γ antibody, wherein the antibody has a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44; (c) taking a second biological sample taken from the patient taken after administration of the antibody, wherein the level(s) of expression of the gene(s) of (a) are determined in the second biological sample; and (d) if the level(s) of expression of the gene(s) in second biological sample of (c): (i) is modulated in a direction consistent with inhibition of IFN-γ as compared to the level(s) of expression in the biological sample determined in (a), then continuing treatment of the patient with another pharmacodynamically effective dose of the antibody; or (ii) is substantially the same as that in the biological sample of (a) or deviates from the level of expression in the biological sample of (a) in a direction that is consistent with an excess of IFN-γ, then treatment with the anti-human IFN-γ antibody is discontinued. The anti-human IFN-γ antibody can be a human or humanized IgG1 antibody. The dose of the antibody administered in (b) can be from about 20, 30, 40, 60, 80, or 100 mg to about 120, 150, 180, 200, 250, or 300 mg or from about 10, 20, or 30 mg to about 80 mg. The dose can be about 30, 40, 50, 60, 70, 80, 100, 120, 150, or 180 mg. The IFN-γ-mediated disease can be selected from the group consisting of systemic lupus erythematosus (SLE), discoid lupus, lupus nephritis, inflammatory bowel diseases including Crohn's disease and ulcerative colitis, psoriasis, alopecia greata, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, multiple sclerosis, polymyositis, dermatomyositis, type I diabetes, sarcoidosis, macrophage activation syndrome (MAS), and hemophagocytic lymphohistiocytosis (HLH). A gluococorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In still a further aspect, herein is described a method for treating a patient suffering from SLE, lupus nephritis, discoid lupus, psoriasis, or an inflammatory bowel disease comprising administering to the patient a dose of at least about 15, 20, 30, 40, 50, 60, or 100 milligrams and not more than about 80, 90, 100, 120, 150, 180, 200, 250, or 300 milligrams of an anti-human IFN-γ antibody, wherein the anti-human IFN-γ antibody comprises a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44. The anti-IFN-γ antibody can comprise the heavy and light chain variable region amino acid sequences of SEQ ID NOs: 6 and 8, SEQ ID NOs: 10 and 12, SEQ ID NOs: 14 and 16, SEQ ID NOs: 30 and 12, or SEQ ID NOs: 14 and 31. Levels of expression of at least 5 genes listed in Table(s) 1, 2, 4, 5, and/or 6 in a biological sample taken from the patient after administration of the antibody can deviate from levels of these genes in a similar biological sample taken from the patient taken at baseline in a direction consistent with inhibition of IFN-γ. The dose of the anti-IFN-γ antibody can be from about 5, 10, 20, 30, or 40 milligrams to about 60, 70, 80, 90, or 100 milligrams or from about 60, 70, 80, 90, 100, or 120 milligrams to about 125, 150, 180, 200, or 250 milligrams. The dose can be administered subcutaneously or intravenously. The level of total IFN-γ protein in the patient's serum can remain above about 200 pg/mL for at least about 2 weeks subsequent to a single dose. A gluococorticoid, optionally prednisone, and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial can be administered concurrently with the antibody.
  • In another embodiment, herein is described a method for identifying SLE, psoriasis, or inflammatory bowel disease patients that can benefit from treatment with a human anti-human IFN-γ antibody and treating such patients comprising the following steps: (a) obtaining a biological sample from the patient before administration of the antibody, wherein the level of total IFN-γ protein in the biological sample is determined; (b) administering to the patient a dose of the antibody; (c) obtaining a second biological sample from the patient after administration of the antibody, wherein the level of total IFN-γ protein in the second biological sample is determined; and (d) if the level of total IFN-γ protein determined in (c) is higher than the level determined in (a), then continuing treatment with the antibody; wherein the antibody is an IgG1 antibody and comprises the amino acid sequences of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31. The antibody can comprise the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8.
  • In another aspect, provided herein is a method for treating an IFN-γ-mediated disease comprising administering to a patient in need thereof a dose of a human anti-human IFN-γ antibody comprising the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8 such that the concentration of total IFN-γ protein in the patient's serum is maintained at a plateau concentration for at least about two, three, four, five, or six weeks following administration. The plateau concentration of total IFN-γ protein in serum can be from about 100, 200, or 300 pg/mL to about 2000 pg/mL.
    • BRIEF DESCRIPTION OF THE FIGURES
  • FIG. 1: Volcano plot of expression of an array of genes post-vs. pre-IFN-γ stimulation of whole blood from healthy volunteers. The average fold change in RNA expression for each gene is plotted with the associated p-value from an analysis of variance (ANOVA). The circled points have been designated as the top 20 IFN-γ regulated genes, which are those with the largest absolute fold change and that have a p-value less than 0.001.
  • FIG. 2: Analysis of serum protein levels. Top: Boxplot of interleukin-18 (IL-18), chemokine (C—X—C motif) ligand 10 (CXCL10; also known as interferon gamma inducible protein 10 (IP10)), and chemokine (C—C motif) ligand 2 (CCL2; also known as MCP-1) protein levels in healthy volunteers (HV), SLE, and lupus nephritis (LN) subjects. The γ-axis is log-scaled. The horizontal lines are the group medians and the boxes represent the 25th and 75th percentiles. The whiskers represent the most extreme data point within 1.5 times the inter-quartile range away from the boxes. The black crosses are points outside the whiskers. The numbers above each boxplot, e.g., “n=155,” refer to the number of samples from individual subjects that the boxplot represents.
  • FIG. 3: IFN-related gene expression in SLE patients treated with AMG 811 compared to patients treated with a placebo. Left: Volcano plot of RNA expression of an array of genes in biological samples from treated subjects at day 15 (described in Example 3) versus samples from untreated/placebo treated subjects. The average fold difference in RNA expression for each gene is plotted with the associated p-value. The top 20 IFN-γ signature genes (see FIG. 1) are circled. Right: Relationship between AMG 811 serum concentration and guanylate binding protein 1 (GBP1) transcript expression in SLE patients. Samples were taken on Day −1 (pre-dosing; (◯) and Day 15 (▪) in the clinical trial described in Example 3. The x axis indicates the serum concentration of AMG 811, and the y axis indicates the fold difference in guanylate binding protein 1 (GBP1) RNA expression from that seen in a control group of healthy people.
  • FIG. 4: Dose dependent decrease in CXCL10 protein level in response to AMG 811 administration. Symbols are average change from baseline in CXCL10 levels for each dose group by study day of the study described in Example 3. The error bars reflect the 95% confidence interval around the mean. Time points are indicated as follows: , day 15 (Dy15) of the study; ▪, day 56 (Dy56) of the study; and ⋄, end of study (EOS).
  • FIG. 5: Mean AMG 811 serum concentration-time profiles following a single subcutaneous or intravenous dose of AMG 811 in systemic lupus erythematosus patients. The x axis indicates the time post-injection, and the y axis indicates the serum concentration of AMG 811 in nanograms per milliliter (ng/ml). The doses represented by the various symbols and the number of patients dosed (n) are indicated in the legend in the figure.
  • FIGS. 6A and 6B: Median (6A) and mean (6B) serum total IFN-γ protein concentration-time profiles following a single subcutaneous or intravenous dose of AMG 811 in systemic lupus erythematosus patients. The x axis indicates time post-injection, and the y axis indicates the median or mean serum concentration of IFN-γ. The doses represented by the various symbols and the number of patients dosed (n) are indicated in the legend in the figure.
  • FIG. 7: Average post-dose AMG 811 score in lupus nephritis patients. An “AMG 811 score” was determined as explained in Example 4 for lupus nephritis patients. Diamonds indicate the average score for each dose while vertical lines indicate the 95% confidence interval.
  • FIG. 8: Dose dependent decrease in CXCL10 protein level in response to multiple doses of AMG 811 in general SLE patients. Symbols (circles, squares, triangles, etc.) indicate the average fold change from baseline values in CXCL10 levels, and the vertical lines represent the 95% confidence interval. The data are from the study described in Example 4. Each group of seven vertical lines represents data from patient samples taken at, from left to right, day 8 (D8), 16 (D16), 29 (D29), 57 (D57), 86 (D86), 113 (D113), and end of study (EOS), as indicated. The dose of AMG 811 administered is indicated below. A dose of zero indicates that those patients received a placebo.
  • FIG. 9: Dose dependent decrease in CXCL10 (IP-10) protein level in response to multiple doses of AMG 811 in lupus nephritis patients. Symbols (circles, squares, triangles, etc.) indicate the average fold change from baseline values in CXCL10 levels, and the vertical lines represent the 95% confidence interval. Each group of seven vertical lines represents data from patient samples taken at, from left to right, day 8 (D8), 16 (D16), 29 (D29), 57 (D57), 86 (D86), 113 (D113), and end of study (EOS) of the study described in Example 4, with the dose of AMG 811 administered indicated below. A dose of zero indicates that those patients received a placebo.
  • FIG. 10: Relationship between AMG 811 levels and changes in IP-10 (CXCL10) expression in SLE and lupus nephritis patients. This graph shows the AMG 811 concentration (x axis) in peripheral blood of patients plotted against the fold change in IP-10 concentration from baseline for lupus and lupus nephritis patients involved in the trial described in Example 4 at a variety of time points in the trial, as indicated.
  • FIG. 11: Relationship between AMG 811 serum concentration and GBP1 transcript expression in lupus nephritis patients. Blood samples were taken from lupus nephritis patients at baseline and on day 15 in the multi-dose clinical trial described in Example 4. The x axis indicates the serum concentration of AMG 811, and the y axis indicates the fold difference in guanylate binding protein 1 (GBP1) RNA expression from that seen in a control group of healthy people.
  • FIG. 12: Blinded data showing the amount of protein detected in 24-hour urine samples from lupus nephritis patients treated with multiple doses of AMG 811 or placebo. This graph show the levels of protein in twenty four hour urine samples from lupus nephritis patients from cohorts 4 (left panel) and 5 (right panel) of the clinical trial described in Example 4. Cohort 4 contained eight patients, two of which received placebo and six of which received 3 doses of 20 mg of AMG 811. Cohort 5 contained 12 patients, three of which received placebo and nine of which received three doses of 60 mg of AMG 811.
  • FIG. 13: Blinded spot urine protein/creatinine ratio (UPCR) in lupus nephritis patients. Blinded data showing the UPCR of patients in cohorts 4 (left panel) and 5 (right panel) at various time points during the clinical trial described in Example 4. Cohort 4 contained eight patients, two of which received placebo and six of which received three doses of 20 mg of AMG 811. Cohort 5 contained 12 patients, three of which received placebo and nine of which received three doses of 60 mg of AMG 811.
  • FIG. 14: Blinded data showing PASI scores of psoriasis patients treated with AMG 811 or placebo. This graph shows the PASI scores (y axis) of individual psoriasis patients treated with AMG 811 or placebo at various time points during the trial described in Example 6, as indicated along the x axis. The baseline measurement (B) was taken one to three days prior to the single dose of AMG 811 administered on day 1 of the study.
    •  DETAILED DESCRIPTION
  • Provided herein are methods of treatment using IFN-γ inhibitors, methods for identifying patients likely to benefit from such treatment, and methods for determining suitable dosages. The methods utilize techniques for determining levels of proteins and/or RNA transcripts in a biological sample. Using such techniques, overlapping sets of transcripts, the expression of which is modulated by IFN-γ ex vivo and by AMG 811 in vivo, have been defined. Similarly, it has been found that a particular set of transcripts and at least one serum protein is downregulated by an IFN-γ inhibitor in human patients in vivo, thus making it possible to determine dosages at which these effects are observable and to determine which transcripts in blood cells are regulated by IFN-γ in vivo. Dosages determined by such methods can be used to treat patients. Similarly, assay of these sets of transcripts can be used to predict which patients are likely to respond to treatment, i.e., those that overexpress genes whose expression can be downregulated by the IFN-γ inhibitor and/or those that are up- or down-regulated by activation of the IFN-γ pathway. Similarly, these techniques can be used to determine whether a particular dosage of an IFN-γ inhibitor is having a biological effect, especially in patients suffering from an episodic disease in which changes in symptoms may not be readily apparent. Further, if an IFN-γ inhibitor is not having a biological effect as measured by expression of such biomarkers, treatment with the IFN-γ inhibitor can be discontinued and, optionally, a new treatment can be initiated. Alternatively, if an IFN-γ inhibitor is having a biological effect as measured by biomarker expression, treatment with the IFN-γ inhibitor can be continued.
    • DEFINITIONS
  • An “antibody,” as meant herein, can be a full length antibody containing two full length heavy chains (containing a heavy chain variable region (VH), a first constant domain (CH1), a second constant domain (CH2) and a third constant domain (CH3)) and two full length light chains (containing a light chain variable region (VL) and a light chain constant region (CL)). Alternatively, an antibody can contain only a single VH region or VL region, such as the single variable domain antibodies described in, e.g., U.S. Pat. No. 7,563,443. The portions of this reference describing such antibodies are incorporated herein by reference. An antibody can also be a fragment of a full length antibody that binds to the target antigen, which may also contain other sequences. For example, an antibody can be an a single chain antibody that comprises VH and VL regions joined by a peptide linker (i.e., an scFv), a Fab fragment, which may or may not include the hinge region, an scFv-Fc, among many other possible formats. The term “antibody” comprises any protein that includes at least one VH or VL region.
  • “Baseline,” as meant herein, is a timepoint before dosing begins in a clinical trial that can typically be up to about a month before dosing with a test drug or placebo begins.
  • A “biological sample,” as meant herein, is a sample of a liquid, such as blood or cerebrospinal fluid, or a solid piece of tissue, such as a skin biopsy or an excised tumor, taken from a patient. Two biological samples are said to be “similar” if they are taken from similar tissue. For example, two whole blood samples from different patients are similar, as meant herein. Further, two skin biopsies taken from lesions from different patients are also similar as meant herein.
  • A drug or treatment is “concurrently” administered with another drug or treatment, as meant herein, if it is administered in the same general time frame as the other drug, optionally, on an ongoing basis. For example, if a patient is taking Drug A once a week on an ongoing basis and Drug B once every six months on an ongoing basis, Drugs A and B are concurrently administered whether or not they are ever administered on the same day. Similarly, if Drug A is taken once per week on an ongoing basis and Drug B is administered only once or a few times on a daily basis, Drugs A and B are concurrently administered as meant herein. Similarly, if both Drugs A and B are administered for short periods of time either once or multiple times within a one month period, they are administered concurrently as meant herein as long as both drugs are administered within the same month.
  • A “control group,” as meant herein, is a group of healthy people to which a patient having a particular disease is compared in some way. For example, expression of certain genes at the protein or RNA level in a biological sample from a patient can be compared to expression of those genes in one or more similar biological samples from people in a control group. In some situations, normal ranges for levels of expression for particular genes can be established by analysis of biological samples from members of a control group. In such a situation, expression levels in a given sample from a patient having a disease can be compared to these established normal ranges to determine whether expression in the sample from the patient is normal or above or below normal.
  • A “control biological sample,” as meant herein, is (a) a group of biological samples from a “control group” that is compared to a similar biological sample from a patient or (b) a biological sample from non-diseased tissue from a patient that is compared to a biological sample from diseased tissue from the same patient. For example, a skin biopsy from non-lesional tissue from a discoid lupus patient can be a “control biological sample” for a skin biopsy from lesional tissue from the same discoid lupus patient. Alternatively, a group of skin biopsies from a healthy “control group” can be a “control biological sample” to which a skin biopsy from a discoid lupus patient can be compared. Alternatively, a group of blood samples from healthy people can be a “control biological sample” to which to compare a blood sample from an SLE patient.
  • “Determining the level of expression,” as meant herein, refers to determining the amount of expression of a gene in a biological sample at either the protein or RNA level. Such levels can be determined in biological samples from patients suffering from an IFN-γ-mediated disease and in control biological samples from healthy people or from non-diseased tissue from the patient (for example in a skin sample not having psoriatic plaques in a psoriasis patient). The comparison between a patient's biological sample from diseased tissue (or blood in a systemic disease) and a control biological sample can provide information as to whether the biomarkers in question are expressed at normal, elevated, or lowered levels. To assay for protein levels in liquid samples, enzyme-linked immunosorbent assay (ELISA) can be used. See, e.g., Berzofsky et al., Antigen-Antibody Interactions and Monoclonal Antibodies, Chapter 12 in FUNDAMENTAL IMMUNOLOGY, THIRD EDITION, Paul, ed., Raven Press, New York, 1993, pp. 421-466, at pp. 438-440. Many such assays are commercially available. For solid biological samples, such as, for example, skin samples, immunohistochemistry or immunofluorescence can be used to determine whether and where a particular protein is expressed. Such techniques are well known in the art. See, e.g., Antigen Retrieval Techniques: Immunohistochemistry and Molecular Morphology, Shi et al., eds. Eaton Publishing, Natick, Mass., 2000. The portions of this reference that describe techniques of immunohistochemistry and immunofluorescence are incorporated herein by reference. To assay for RNA levels, real time quantitative PCR (for example using a Taqman® kit available from Invitrogen (Carlsbad, Calif.)) or microarrays (such as described, for example, in Chen et al. (1998), Genomics 51: 313-324) are generally used.
  • An “IFN-γ inhibitor,” as meant herein, is a molecule, which can be a protein or a small molecule, that can inhibit the activity of IFN-γ as assayed by the A549 bioassay, which can be performed as follows.
  • One of the established properties of IFN-γ is its anti-proliferative effect on a variety of cell populations. See e.g. Aune and Pogue (1989), J. Clin. Invest. 84: 863-875. The human lung cell line A549 has been used frequently in publications describing the bioactivity of IFN-γ. See e.g. Aune and Pogue, supra; Hill et al. (1993), Immunology 79: 236-240. In general, the activity of an inhibitor is tested at a concentration of a stimulating substance, in this case IFN-γ, that falls within a part of the dose-response curve where a small change in dose will result in a change in response. One of skill in the art will realize that if an excessive dose of the stimulating substance is used, a very large dose of an inhibitor may be required to observe a change in response. Commonly used concentrations for a stimulating substance are EC80 and EC90 (the concentrations at which 80% or 90%, respectively, of the maximum response is achieved).
  • An IFN-γ dose-response curve can be generated to determine the EC90 for the lung epithelial carcinoma cell line A549. In subsequent experiments, different concentrations of an IFN-γ-inhibitor can be mixed with a fixed dose of IFN-γ, and the ability of the IFN-γ-inhibitor to inhibit the biological activity of the anti-proliferative effect of IFN-γ can be determined. The assay can be performed for 5 days, and proliferation can be measured by determining fluorescence generated by the reduction of ALAMARBLUE™ (AccuMed International, Inc., Chicago, Ill.), a dye used to indicate cell growth, by metabolically active, i.e., proliferating, cells. See e.g., de Fries and Mitsuhashi, 1995, J. Clin. Lab. Analysis 9(2): 89-95; Ahmed et al., 1994, J. Immunol. Methods 170(2): 211-24.
  • An “IFN-γ-mediated disease,” as meant herein, is a disease in which evidence from an in vitro or a non-human model system or from human patients indicates IFN-γ is likely to play a role in driving the course of the disease. Diseases that are included among “IFN-γ-mediated diseases” include, for example, diseases in which patient samples display elevated levels of a type I or II IFN or a type I-related “IFN signature” pattern of gene expression. See, e.g., Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615; Bennett et al. (2003), J. Exp. Med. 197(6): 711-723. The portions of these references that describe the IFN signature pattern of gene expression are incorporated herein by reference. IFN-γ-mediated diseases include, for example, SLE, discoid lupus, lupus nephritis, alopecia greata, Graves'disease, Sjogren's syndrome, antiphospholipid syndrome, rheumatoid arthritis, juvenile idiopathic arthritis, psoriasis, psoriatic arthritis, dermatomyositis, polimyositis, bacterial septicemia, antigen/antibody complex diseases (Arthus-like syndromes), anaphylactic shock, multiple sclerosis (MS), type I diabetes, thyroiditis, graft versus host disease, transplant rejection, atherosclerosis, immune-mediated hepatic lesions, autoimmune hepatitis, inflammatory bowel diseases such as Crohn's disease and ulcerative colitis, giant cell arteritis, uveitis, macrophage activation syndrome (MAS), hemophagocytic lymphohistiocytosis (HLH), macrophage activation syndrome (MAS), sarcoidosis, and scleroderma.
  • The term “interferon signature” refers to the characteristic pattern of over- and under-expression of genes observed in response to type 1 interferons. See, e.g., Bennett et al. (2003), J. Exp. Med. 197(6): 711-723; Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615, the relevant portions of which are incorporated herein by reference.
  • The expression of a particular gene in a biological sample from a patient is said to “deviate” from the expression of that gene in a control biological sample or in a biological sample from the patient taken at a different time “in a direction consistent with excess IFN-γ” or “in a direction consistent with excess IFN-γ pathway activation” when it is found to be up- or down-modulated at the RNA or protein level in the same direction as noted in Table 1 below for blood samples stimulated with IFN-γ. Table 1 lists the group of genes that are up- or down-regulated in human whole blood from healthy volunteers in response to stimulation with IFN-γ ex vivo. Thus, for a gene to “deviate” from the expression of that gene in a control biological sample or in a biological sample from the patient taken at a different time “in a direction consistent with excess IFN-γ”, it must be listed in Table 1.
  • Similarly, the expression of a gene can be “modulated in a direction consistent with inhibition of IFN-γ” or “modulated in a direction consistent with IFN-γ pathway inhibition.” This means that the expression of the gene is decreased if the expression of that gene is up-regulated in response to ex vivo stimulation with IFN-γ as noted in Table 1, and that the expression is increased if the expression of that gene is down-regulated in response to ex vivo stimulation with IFN-γ as noted in Table 1.
  • A “monoclonal antibody,” as meant herein, is an antibody that specifically binds to an antigen at an epitope, wherein a preparation of the antibody contains substantially only antibodies having the same amino acid sequence, although there may be certain low levels of antibodies that include one or more alteration of certain amino acids or internal, amino-terminal, or carboxyterminal cleavages of the amino acid chain. Such minor alterations may occur during the production of the antibodies or during storage. In contrast, a preparation of a “polyclonal” antibody contains antibodies having many different amino acid sequences that bind to different epitopes on the same antigen. The term “monoclonal antibody” includes, without limitation, the following kinds of molecules: tetrameric antibodies comprising two heavy and two light chains such as an IgG, IgA, IgD, IgM, or IgE antibody; single chain antibodies (scFv's) containing a VH and a VL region joined by a peptide linker; variable domain antibodies as described in, for example, U.S. Pat. No. 7,563,443, the relevant portions of which are incorporated herein by reference, that comprise one or more single variable domains, each of which can, by itself, bind specifically to antigen; Fab, Fab′, or Fab(ab′)2 fragments; humanized or chimeric antibodies; various kinds of monovalent antibodies, including those described in U.S. Patent Application Publication 2007/0105199, the relevant portions of which are incorporated by reference herein; and bispecific antibodies, including those with mutationally altered constant regions such as those described in, e.g., U.S. Patent Application Publication 2010/0286374 or U.S. Patent Application Publication 2007/0014794; and scFv-Fc molecules.
  • A “pharmacodynamically effective dose,” as meant herein, is a dose of an IFN-γ inhibitor that can modulate the expression of a gene “in a direction consistent with inhibition of IFN-γ,” as defined herein. Genes regulated by IFN-γ ex vivo are listed in Table I.
  • A “plateau concentration,” as meant herein, is a concentration of total IFN-γ that is observed in a biological sample, such as peripheral blood or serum, taken from a patient after dosing with an IFN-γ inhibitor. The plateau concentration is higher than the concentration of total IFN-γ protein in a similar biological sample taken from the same patient at baseline, and once it is attained, it is “substantially maintained” for at least about 2, 3, 4, 5, 6, 7, 8, 9, or 10 weeks. A concentration is considered to be substantially maintained if it varies by no more than ±50% of its total value.
  • A “therapeutically effective dose,” as meant herein, is a dose that is effective to decrease one or more observable symptoms of a disease or to delay onset or mitigate the symptoms of a more serious condition that often follows after the condition that a patient is currently experiencing. A therapeutically effective dose may, but need not necessarily, completely eliminate all symptoms of the disease. For example, in lupus nephritis, a lowering of the degree of proteinuria and lowering or stabilization of serum concentration of creatinine would indicate an improvement in kidney function and, thus, an improvement in a symptom of the disease. Hence, a dose of an IFN-γ inhibitor that could cause a decrease in proteinuria and lower or stabilize serum creatinine concentration would be both a therapeutically effective dose and a phamacodynamically effective dose.
    • Interferons, IFN-γ-Mediated Diseases, and Biomarkers
  • Interferons were first recognized for their ability to impede viral infections and are now known to also play important roles in mediating host defense against infection by bacteria and other pathogens, as well as in integrating early, innate immune responses and later adaptive immune responses. Decker et al. (2002), J. Clin. Invest. 109(10): 1271-1277. There are at least two types of human and murine interferons: the type I interferons, including primarily a number of IFNα subtypes and IFNβ, plus IFNω, IFNε, IFNδ, IFNτ, and IFNκ; and type II interferon, a class of one member, that is, IFN-γ. Sozzani et al. (2010), Autoimmunity 43(3): 196-203. Type I interferons are produced by most cell types under appropriate conditions and are known to play a role in resisting viral infection, whereas IFN-γ is produced by limited cell types, such as NK cells and activated Th1 cells, and is known to strengthen immune responses to unicellular microorganisms, intracellular pathogens, and viruses. In humans, type I and type II interferons bind to distinct receptors, which are, respectively, the interferon alpha/beta receptor (IFNAR, containing IFNAR1 and IFNAR2 chains) and the interferon gamma receptor (IFNGR, containing IFNGR1 and IFNGR2 chains). Both of these receptors are associated with Janus kinases which, along with other intracellular proteins, mediate the transcriptional activation of genes having interferon-stimulated response elements (IFNAR only) and genes having IFN-γ-activated site elements (both IFNAR and IFNGR). Decker et al. (2002), J. Clin. Invest. 109(10): 1271-1277; Trinchieri (2010), J. Exp. Med. 207(10): 2053-2063. Thus, although the sets of genes activated by type I and II interferons differ, there is considerable overlap in the two sets. See, e.g., Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615; van Baarsen et al. (2006), Genes and Immunity 7: 522-531. Some differences may be related to different magnitudes of response of a particular gene to a given dose of type I or II interferon. Kariuki et al. (2009), J. Immunol. 182: 34-38
  • The relationship between the biological activities of type I and II interferons is complex and intertwined and dependent on the expression of other genes. Thus, different cell types can have differing responses to the IFNs. IFN-γ is a more potent activator of phagocytic cell and antigen-presenting cell function than type I interferons. Trinchieri (2010), J. Exp. Med. 207(10): 2053-2063. Both type I and II interferons can be produced in the course of an immune response. In some situations, type I interferons can inhibit production of IFN-γ, and in other situations, for example, in the absence of STAT1, type I interferons can increase IFN-γ production. Nguyen et al. (2000), Nature Immunol. 1(1): 70-76; Brinkman et al. (1993), J. Exp. Med. 178: 1655-1663; Trinchieri (2010), J. Exp. Med. 207(10): 2053-2063. Further, low levels of type I IFN produced during stimulation of dendritic cells are essential for production of IL-12 heterodimer, which induces production of IFN-γ. However, in the presence of high levels of type I IFN, production of IL-12 p40 is suppressed, thus limiting the production of IL-12 heterodimer. Thus, the relationship between type I and II interferons is already known to be complex and may be even more complex in vivo than is currently understood.
  • A number of diseases have been associated with changes in gene expression patterns that are thought to reflect elevated activity of IFNs. Some investigators refer to such a gene expression pattern as an “interferon signature,” which includes somewhat different groups of genes depending on exactly how the signature is defined. See, e.g., Baehler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615; Bennett et al. (2003), J. Exp. Med. 197(6): 711-723. Since IFN-γ- and type I IFN-activated genes are overlapping sets, an elevated interferon signature score could implicate elevated activity of IFN-γ and/or a type I IFN. In a number of autoimmune and/or inflammatory diseases, many of which characterized by extremely heterogeneous and episodic symptoms, it has been found that a substantial proportion of patients or persons at increased risk of disease have a gene expression pattern reflecting elevated IFN activity and/or have elevated levels of an IFN or a protein whose expression is known to be induced by type I IFN. These diseases include, for example, SLE (Bauer et al. (2006), PLoS Med. 2(12): 2274-2284; Armañanzas et al. (2009), IEEE Transactions on Inform. Tech. in Biomed. 13(3): 341-350), systemic sclerosis (Sozzani et al. (2010), Autoimmunity 43(3): 196-203), alopecia greata (Ghoreishi et al. (2010), Br. J. Dermatol. 163: 57-62), Graves' disease (Ruiz-Riol et al. (2011), J. Autoimmunity 36: 189-200), Sjogren's syndrome (Sozzani et al. (2010), Autoimmunity 43(3): 196-203; Emamian et al. (2009), Genes Immun. 10: 285-296), antiphospholipid syndrome (Armananzas et al. (2009), IEEE Transactions on Inform. Tech. in Biomed. 13(3): 341-350), inflammatory bowel diseases including Crohn's disease and ulcerative colitis (see, e.g., U.S. Pat. No. 6,558,661), rheumatoid arthritis (Dawidowicz et al. (2011), Ann. Rheum. Dis. 70: 117-121), psoriasis (Pietrzak et al. (2008), Clin. Chim. Acta 394: 7-21), multiple sclerosis (van Baarsen et al. (2006), Genes and Immunity 7: 522-531), dermatomyositis (Somani et al. (2008), Arch. Dermatol. 145(4): 1341-1349), polymyositis (Sozzani et al. (2010), Autoimmunity 43(3): 196-203), type I diabetes (Reynier et al. (2010), Genes Immun. 11: 269-278), sarcoidosis (Lee et al. 2011, Ann. Dermatol. 23(2): 239-241; Kriegova et al. (2011), Eur. Respir. J. 38: 1136-1144), and hemophagocytic lymphohistiocytosis (HLH; Schmid et al. (2009), EMBO Molec. Med. 1(2): 112-124).
  • Elevated expression of genes whose expression is induced by IFNs is found in about half of adult SLE patients and the majority of pediatric SLE patients. Baechler et al. (2003), Proc. Natl. Acad. Sci. U.S.A.; 100: 2610-2615; Bennett et al. (2003), J. Exp. Med. 197: 711-723; Kirou et al. (2004), Arthr. & Rheum. 50: 3958-3967. Overexpression of some of these gene products at the protein level, such as CXCL10 (IP-10), CCL2 (MCP-1), and chemokine (C—C motif) ligand 19 (CCL19; also known as (MIP-3B), correlates with disease severity and is predictive of disease flares within a year. Bauer et al. (2009), Arthr. & Rheum 60(10): 3098-3107; Bauer et al. (2006), PLoS. Med. 3: e491; Lit et al. (2006), Ann. Rheum. Dis. 65: 209-215; Narumi et al. (2000), Cytokine 12: 1561-1565; Baechler et al. (2003), Proc. Natl. Acad. Sci. 100(5): 2610-2615. Specifically, CXCL10 has been shown to be a major contributor to the overall association of disease with IFN signature and an independent predictor of future disease flare. Bauer et al. (2009), Arthritis & Rheum. 60: 3098-3107; Bauer et al. (2009), Arthritis Rheum. 60:S209.
  • A variety of other data suggest a pathogenic role for IFN-γ in SLE. Studies involving murine models of SLE consistently support the role of IFN-γ in the pathogenesis of disease. Balomenos et al. (1998), J. Clin. Invest. 101: 364-371; Jacob et al. (1987), J. Exp. Med. 166: 798-803; Peng et al. (1997), J. Clin. Invest 99: 1936-1946; Hron and Peng (2004), J. Immunol. 173: 2134-2142; Seery et al. (1997), J. Exp. Med. 186: 1451-1459. In addition, lupus-like syndromes have been observed in patients treated for a variety of diseases with IFN-γ and/or IFN-α. Wandl et al. (1992), Clin. Immunol. Immunopathol. 65(1): 70-74; Graninger et al. (1991), J. Rheumatol. 18: 1621-1622. A correlation between severity of disease activity and amounts of IFN-γ secreted by a patient's peripheral blood mononuclear cells in response to stimulation by lipopolysaccharide and phytohaemagglutinin has been observed. Viallard et al. (1999), Clin. Exp. Immunol. 115: 189-195. Similarly, peripheral blood T cells from SLE patients expressed significantly more IFN-γ in response to CD28 costimulation than did T cells from normal controls. Harigai et al. (2008), J. Immunol. 181: 2211-2219. Thus, many different kinds of evidence indicate that IFN-γ is likely to play a role in mediating SLE.
  • SLE is an autoimmune disease of unknown etiology marked by autoreactivity to nuclear self antigens. Its clinical manifestations are so diverse that it is questionable whether it is truly a single disease or a group of related conditions. Kotzin, B. L. 1996. Systemic lupus erythematosus. Cell 85:303-306; Rahman, A., and Isenberg, D. A. 2008. Systemic lupus erythematosus. N. Engl. J. Med. 358:929-939. Symptoms can include the following: constitutional symptoms such as malaise, fatigue, fevers, anorexia, and weight loss; diverse skin symptoms including acute, transient facial rashes in adults, bullous disease, and chronic and disfiguring rashes of the head and neck; arthritis; muscle pain and/or weakness; cardiovascular symptoms such as mitral valve thickening, vegetations, regurgitation, stenosis, pericarditis, and ischemic heart disease, some of which can culminate in stroke, embolic disease, heart failure, infectious endocarditis, or valve failure; nephritis, which is a major cause of morbidity in SLE; neurological symptoms including cognitive dysfunction, depression, psychosis, coma, seizure disorders, migraine, and other headache syndromes, aseptic meningitis, chorea, stroke, and cranial neuropathies; hemotologic symptoms including leucopenia, thrombocytopenia, serositis, anemia, coagulation abnormalities, splenomegaly, and lymphadenopathy; and various gastrointestinal abnormalities. Id; Vratsanos et al., “Systemic Lupus Erythematosus,” Chapter 39 in Samter's Immunological Diseases, 6th Edition, Austen et al., eds., Lippincott Williams & Wilkins, Phiiladelphia, Pa., 2001.
  • Severity of symptoms varies widely, as does the course of the disease. SLE can be deadly. The disease activity of SLE patients can be rated using an instrument such as the Systemic Lupus Erythrmatosus Disease Activity Index (SLEDAI), which provides a score for disease activity that takes into consideration the following symptoms, which are weighted according to severity: seizure, psychosis, organic brain syndrome, visual disturbance, cranial nerve disorder, lupus headache, vasculitis, arthritis, myositis, urinary casts, hematuria, proteinuria, pyuria, new rash, alopecia, mucosal ulcers, pleurisy, pericarditis, low complement, increased DNA binding, fever, thrombocytopenia, and leucopenia. Bombardier et al. (1992), Arthr. & Rheum. 35(6): 630-640, the relevant portions of which are incorporated herein by reference. The treatments described herein can be useful in lessening or eliminating symptoms of SLE as measured by SLEDAI.
  • Another method for assessing disease activity in SLE is the British Isles Lupus Assessment Group (BILAG) index, which is a disease activity assessment system for SLE patients based on the principle of the physician's intention to treat. Stoll et al. (1996), Ann. Rheum Dis. 55: 756-760; Hay et al. (1993), Q. J. Med. 86: 447-458. The portions of these references describing the BILAG are incorporated herein by reference. A BILAG score is assigned by giving separate numeric or alphabetic disease activity scores in each of eight organ-based systems, general (such as fever and fatigue), mucocutaneous (such as rash and alopecia, among many other symptoms), neurological (such as seizures, migraine headaches, and psychosis, among many other symptoms), musculoskeletal (such as arthritis), cardiorespiratory (such as cardiac failure and decreased pulmonary function), vasculitis and thrombosis, renal (such as nephritis), and hematological. Id. The treatments described herein can be useful in lessening or eliminating symptoms of SLE as measured by the BILAG index.
  • Discoid lupus is a particular form of chronic cutaneous lupus in which the patient has circular lesions that occur most commonly in sun-exposed areas. The lesions can leave disfiguring scars. Up to about 25% of SLE patients develop discoid lupus lesions at some point in the course of their disease. These lesions may occur in patients that have no other symptoms of SLE. The symptoms that relate specifically to skin in cutaneous forms of lupus can be scored using the Cutaneous Lupus Erythematosus Disease Area and Severity Index (CLASI), which takes into consideration both disease activity (including erythema, scaling, and hypertrophy of the skin in various areas, as well as mucus membrane lesions and alopecia) and disease-related damage (including dyspigmentation, scarring, atrophy, and panniculitis of the skin as well as scarring of the scalp). Such symptoms can be affected by a treatment for discoid lupus such as an IFN-γ inhibitor. The CLASI is described in detail by Albrecht et al. (2005), J. Invest. Dermatol. 125: 889-894. The portions of this article that describe what the CLASI is, what symptoms are included in it, and how to use it are incorporated herein by reference. The treatments described herein can be useful for lessening or eliminating symptoms of discoid lupus as measured by the CLASI.
  • Another cutaneous disease that can be mediated by IFN-γ is psoriasis. Symptoms of psoriasis include itchy, dry skin that can be pink/red in color, thickened and covered with flakes. It is a common condition and is episodic in nature, that is, patients can experience flares and periods of remission. There are five type of psoriasis, erythrodermic, guttate, inverse, plaque, and pustular. Plaque psoriasis is the most common type. Clinical studies with an anti-human IFN-γ antibody indicate that inhibition of IFN-γ can lessen symptoms of psoriasis as measured by a Psoriasis Area and Severity Index (PASI) score, thus demonstrating that IFN-γ plays a role in mediating psoriasis, at least in some patients. International Application Publication WO 2003/097083.
  • The severity of disease in psoriasis patients can be measured in a variety of ways. One way disease activity is commonly measured in clinical trials the PASI score. A PASI score can range from 0 to 72, with 72 being the most severe disease. For purposes of PASI assessment, the body is considered to consist of four sections, legs, torso (that is, stomach, chest, back, etc.), arms, and head, which are considered to have 40%, 30%, 20%, and 10% of a person's skin, respectively. For each section, the percent of the area of skin affected is estimated and transformed into a grade of from 0 to 6, with 0 being no affected skin and 6 being 90-100% of the skin of the body section in question being affected. The severity of disease is scored by separately considering three features of the affected skin, redness (erythema), scaling, and thickness, and assigning a severity score of from 0 to 4 for each feature for each body section. The sum of the severity scores for all three features for each body section is calculated, and this sum is multiplied by the weight of the respective section as determined by how much of the total skin that body section contains and by the percent of the body section affected. After this number is calculated for each body section, these numbers are added to yield the PASI score. Thus, the PASI score can be expressed as follows:

  • PASI=0.1(score for percent of the head affected)(sum of 3 severity scores for the head)+0.2(score for percent of the arms affected)(sum of 3 severity scores for the arms)+0.3(score for percent of the torso affected)(sum of 3 severity scores for the torso)+0.4(score for percent of the legs affected)(sum of 3 severity scores for the legs)
  • The descriptions of PASI scores in the following two references are incorporated by reference herein: Feldman and Krueger (2005), Ann. Rheum. Dis. 64: 65-68, Langley and Ellis (2004), J. Am. Acad. Dermatol. 51(4): 563-69.
  • Many clinical trials refer to changes in PASI score over the course of the study. For example, a PASI 75 at a particular time point in a clinical trial means that the PASI score of a patient has decreased by 75% as compared to that patient's PASI score at baseline. Similarly a PASI 50 or a PASI 90 denotes a 50% or 90% reduction in PASI score.
  • Another commonly used measure of psoriasis severity in clinical trials is the static Physicians Global Assessment (sPGA). The sPGA is typically a six category scale rating ranging from 0=none to 5=severe. ENBREL® (etanercept), Package Insert, 2008. A sPGA score of “clear” or “minimal” (sometimes alternately referred to as “almost clear”) requires no or minimal elevation of plaques, no or only very faint redness, and no scaling or minimal scaling over <5% of the area of the plaques. ENBREL® (etanercept), Package Insert, 2008. The individual elements of psoriasis plaque morphology or degree of body surface area involvement are not quantified. Nonetheless, sPGA scores correlate to some extent with PASI scores. Langley and Ellis (2004), J. Am. Acad. Dermatol. 51(4): 563-69. The methods described herein lessen or eliminate psoriasis symptoms as measured by a PASI or an sPGA score.
  • Multiple sclerosis (MS) is an autoimmune disease characterized by damage to the myelin sheath that surrounds nerves, which leads to inhibition or total blockage of nerve impulses. The disease is very heterogeneous in clinical presentation, and there is a wide variation in response to treatment as well. van Baarsen et al. (2006), Genes and Immunity 7: 522-531. Environmental factors, possibly viral infection, as well as genetic susceptibility, are thought to play a role in causing MS. Id. Symptoms can include loss of balance, muscle spasms, tremors, weakness, loss of ability to walk, loss of coordination, various bowel and bladder problems, numbness, pain, tingling, slurred speech, difficulty chewing and swallowing, double vision, loss of vision, uncontrollable eye movements, and depression, among many other possible symptoms. In many patients episodes in which symptoms occur are interspersed with long periods of remission. A subset of MS patients exhibit a pattern of gene expression consistent with high type I IFN activity, although a correlation between this pattern of gene expression and disease severity has not been demonstrated. Id. The methods described herein can lessen or eliminate one or more symptoms of MS.
  • Type I diabetes is an autoimmune disease resulting in the destruction of insulin-producing β-cells in the pancreas, which leads to a lack of insulin. Antibodies against β-cell epitopes are detected in the sera of pre-diabetic patients, suggesting that there is an autoimmune process in progress during a long asymptomatic period that precedes the onset of clinical symptoms. Reynier et al. (2010), Genes and Immunity 11: 269-278. The lack of insulin leads to high glucose levels in the blood and urine causing a variety of symptoms including frequent urination, increased hunger and thirst, fatigue, and weight loss. It is generally treated with insulin, a treatment that must be continued indefinitely. The causes of type I diabetes are not completely clear, but are thought to include a genetic component. About thirty percent of non-diabetic siblings of diabetic patients are found to express high levels of RNAs encoded by a group genes activated by type I interferon, although diabetic patients do not overexpress these RNAs. Reynier et al. (2010), Genes and Immunity 11: 269-278. Such overexpression may be an indication of future disease. Since various strategies for inhibiting the progress of the disease are known and may be discovered in the future, it is useful to detect the disease before the onset of clinical symptoms. The methods described herein may be useful to detect and/or treat type I diabetes before and/or after the onset of clinical symptoms.
  • Inflammatory bowel diseases (IBDs) such as Crohn's disease and ulcerative colitis are also IFN-γ-mediated diseases as meant herein. Crohn's disease is chronic and debilitating inflammatory bowel disease that is thought to reflect a overly-active TH1-mediated immune response to the flora of the gut. The lesions of Crohn's disease can appear anywhere in the bowel and occasionally elsewhere in the gastrointestinal tract. Ulcerative colitis lesions, on the other hand, usually appear in the colon. The nature of the lesions is also different, but the diseases are sufficiently similar that is sometimes difficult to distinguish them clinically. See, e.g., U.S. Pat. No. 6,558,661.
  • A variety of evidence indicates that IFN-γ plays a role in inflammatory bowel diseases. Results from a clinical study using an anti-human IFN-γ antibody in patients with Crohn's disease indicated that the antibody produced dose dependent, though somewhat marginal, improvements in Crohn's Disease Activity Index (CDAI) scores. International Application Publication WO 2003/097082. The CDAI is described in Best et al. (1976), Gastroenterology 70: 439-444. The portions of this reference that describe the CDAI and how to use it are incorporated herein by reference. In addition, data from model systems for inflammatory bowel disease indicate that IFN-γ inhibition can be effective in reducing the symptoms of inflammatory bowel diseases. See, e.g., U.S. Pat. No. 6,558,661, the relevant portions of which are incorporated herein by reference. The methods described herein may be useful for selecting IBD patients to treat, for treating IBD patients, and/or for reducing or eliminating symptoms of IBD.
  • Sarcoidosis is a systemic granulomatous disease that can affect essentially any tissue, but it primarily affects the lung and lymphatic systems. It is characterized by the presence of noncaseating epithelioid cell granulomas in more than one organ system. Most commonly the granulomas are found in lung, lymph nodes, skin, liver, and/or spleen, among other possible sites. It can be fatal. For example, fibrosis of the lungs can lead to fatality. Increases in IFN-γ levels have been observed in sarcoidosis. Carter and Hunninghake, “Sarcoidosis,” Chapter 47 in Samter's Immunological Diseases, 6th Edition, Austen et al., eds., Lippincott Williams & Wilkins, Phiiladelphia, Pa., 2001. IFN-γ plays a crucial role in the pathogenesis of sarcoidosis. See, e.g., Kriegova et al. (2011), Eur. Respir. J. 38: 1136-1143. The methods described herein may be useful for selecting sarcoidosis patients to treat, for treating sarcoidosis patients, and/or for reducing or eliminating symptoms of sarcoidosis.
  • Hemophagocytic lymphohistiocytosis (HLH) is a rare and often fatal disease having clinical manifestations including fever, hepatosplenomegaly, lymphadenopathy, jaundice and rash. Laboratory findings associated with HLH include lymphocytosis and histiocytosis and the pathologic finding of hemophagocytosis. Pancytopenia, elevated serum ferritin levels, and abnormal liver enzymes are also frequently present. IFN-γ has been clearly implicated in driving the disease process in a murine model for hemophagocytic anemia. Zoller et al. (2011), J. Exp. Med. 208(6): 1203-1214. The methods described herein may be useful for selecting HLH patients to treat, for treating HLH patients, and/or for reducing or eliminating symptoms of HLH.
  • For any IFN-γ-mediated disease, it would be valuable to have a test to identify patients likely to benefit from a particular treatment. Due to the episodic nature of symptoms in many such diseases, it would also be desirable to be able to evaluate the biological effects of a given treatment without having to wait for the recurrence of symptoms, or lack thereof. Thus, in the methods described herein, expression of one or more biomarkers listed in Table 1, 2, 4, 5, and/or 6 can be measured before treatment begins as a method for determining whether genes regulated by IFN-γ are dysregulated in the patient. If so, an IFN-γ inhibitor may be an effective treatment. Expression of biomarkers (such as those in Table 1, 2, 4, 5, and/or 6) can also be measured after treatment has begun to determine whether the dosage of the IFN-γ inhibitor is having a biological effect. Such information can inform treatment decisions and may be correlated with clinical signs and symptoms of the disease. For example, if the IFN-γ inhibitor is not having a biological effect, treatment can be discontinued or a different dosage can be administered. If the IFN-γ inhibitor is having a biological effect, then the treatment can be continued. Such information can also be used to determine what doses are having a phamacodynamic effect, i.e., are modulating the expression of a gene or genes whose expression is regulated by IFN-γ.
    • Interferon Gamma Inhibitors
  • Appropriate for use in the methods described herein are inhibitors of human IFN-γ, which can be proteins, small molecules, or proteins conjugated to non-protein moieties, such as, for example, a pegylated protein. The capacity of a particular small molecule or protein to inhibit the activity of human IFN-γ can be measured by the A549 bioassay described above.
  • Numerous proteins that are IFN-γ inhibitors are known. For example, anti-IFN-γ antibodies can inhibit IFN-γ. These can be human, humanized, or chimeric antibodies that bind to human IFN-γ and/or other mammalian homologs such a rhesus, cynomolgus monkey, chimpanzee, mouse, rabbit, rat, baboon, gorilla, and/or marmoset IFN-γ. They can be of the IgG, IgE, IgM, IgA, or IgD isotypes. They can be IgG1, IgG2, IgG3, or IgG4 antibodies. In some embodiments, these antibodies that contain the following pairs of heavy and light chain variable regions: SEQ ID NOs:6 and 8; SEQ ID NOs:10 and 12; SEQ ID NOs: 14 and 16; SEQ ID NOs:14 and 31; and SEQ ID NOs:30 and 12. Further, these antibodies can contain the following pairs of heavy and light chain amino acid sequences: SEQ ID NO:19 and SEQ ID NO:20; SEQ ID NO:17 and SEQ ID NO:18; SEQ ID NO:21 and SEQ ID NO:22; SEQ ID NO:32 and SEQ ID NO:20; or SEQ ID NO:21 and SEQ ID NO:33. These antibodies, which include an antibody called AMG 811 that is used in the clinical trials described in the Examples below, are described in detail in U.S. Pat. No. 7,335,743. The portions of U.S. Pat. No. 7,335,743 that describe these antibodies are incorporated herein by reference. These antibodies can contain a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, a heavy chain CDR3 comprising SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising SEQ ID NO:38. SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising SEQ ID NO:43 or SEQ ID NO:44. In particular embodiments, the antibody can include the following heavy chain CDR1, CDR2, and CDR3 and light chain CDR1, CDR2, and CDR3, respectively: a) SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:37, SEQ ID NO:39, SEQ ID NO:41, and SEQ ID NO:43; b) SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:36, SEQ ID NO:38, SEQ ID NO:41, and SEQ ID NO:43; c) SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:37, SEQ ID NO:38, SEQ ID NO:41, and SEQ ID NO:43; or d) SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:37, SEQ ID NO:40, SEQ ID NO:42, and SEQ ID NO:44.
  • Other IFN-γ inhibitors are also contemplated. Any monoclonal anti-IFN-γ antibody capable of inhibiting the activity of human IFN-γ can be used. Among these are the humanized anti-IFN-γ antibody fontolizumab (HUZAF® PDL Biopharma, Inc.). The sequences of the heavy and light chain variable regions of this antibody are reported in U.S. Patent Application Publication 2002/0091240 as SEQ ID NOs:6 and 8, respectively. These sequences and any other description of this antibody included in U.S. Patent Application Publication 2002/0091240 are incorporated herein by reference. The IFN-γ inhibitors described in U.S. Pat. No. 5,451,658 (the relevant portions of which, including the amino acid sequences of the inhibitors, are incorporated herein by reference) are among the IFN-γ inhibitors that can be used to perform the methods described herein. Similarly, IFN-γ inhibitors comprising a portion of a naturally occurring human IFN-γ receptor, the sequence of which is reported in Aguet et al. (1988), Cell 55: 273-280 (the relevant portions of which are incorporated herein by reference), can be used to practice the methods described herein. One such IFN-γ inhibitor is a fusion protein comprising the extracellular region of the human IFN-γ receptor fused to a human IgG1 Fc region, which is described in U.S. Pat. No. 6,558,661, the relevant portions of which are incorporated herein by reference. Other such IFN-γ inhibitors are the fusion proteins containing part or all of the extracellular regions of IFN-γ receptor α and IFN-γ receptor β, as described is U.S. Patent Application Publication 2007/0020283, the relevant portions of which are incorporated herein by reference. Another IFN-γ inhibitor is the cytokine which is a specific antagonist of IFN-γ, which is described in U.S. Pat. No. 5,612,195, the relevant portions of which are incorporated herein by reference. Still other IFN-γ inhibitors are the genetically modified, inactivated protein derivatives of human IFN-γ described in U.S. Patent Application Publication 2010/0158865, the relevant portions of which are incorporated herein by reference. Further, a BCRF1 protein, which inhibits production of IFN-γ, is an IFN-γ inhibitor that can be used to practice the methods described herein. U.S. Pat. No. 5,736,390 describes such BCRF1 proteins, and the portions of U.S. Pat. No. 5,736,390 that describe these proteins and how to make them are incorporated herein by reference.
  • In addition, various chemical compounds (which are not proteins) are known to inhibit the synthesis of IFN-γ and are considered to be IFN-γ inhibitors, as meant herein. Among these are the bis phenol or phenoxy compounds and derivatives thereof described in U.S. Pat. No. 5,880,146. The portions of U.S. Pat. No. 5,880,146 that describes such compounds and how to make them are incorporated herein by reference. Similarly, the compounds described in U.S. Pat. No. 5,985,863 that inhibit production of IFN-γ by inhibiting production of IFN-γ inducing factor or inhibiting interleukin-1β converting enzyme are IFN-γ inhibitors that can be used to practice the methods described herein.
    • Methods of Making IFN-γ Inhibitors
  • With regard to protein inhibitors of IFN-γ, these can be made by methods well known in the art. Antibodies, for example, can be made by introducing hybridoma cells that produce the antibody into the peritoneal cavity of a live mouse, a so-called ascites preparation. Hybridoma cells producing an antibody can also be cultured in vitro. Other in vivo methods of protein production include, for example, protein production in hen eggs, tobacco leaves, and milk. Protein inhibitors of IFN-γ can also be made in prokaryotic or eukaryotic host cells, including bacteria such as Escherichia coli, various yeasts including Saccharomyces cerevisiae and Pichia pastoris, and various kinds of mammalian cells including, without limitation, human cells, baby hamster kidney (BHK) cells, Chinese hamster ovary (CHO) cells, VERO, BHK, HeLa, CV1 (including Cos), MDCK, 293, 3T3, myeloma cell lines (e.g., NSO, NS1), PC12, and WI38 cells. Such host cells, into which nucleic acids encoding the desired protein have been introduced, can be cultured in appropriate culture medium, many of which are known in the art, and the desired protein can be recovered from the cell mass or the cell culture medium.
  • CHO cells are widely used for the production of complex recombinant proteins, e.g. cytokines, clotting factors, and antibodies (Brasel et al. (1996), Blood 88:2004-2012; Kaufman et al. (1988), J. Biol. Chem. 263:6352-6362; McKinnon et al. (1991), J. Mol. Endocrinol. 6:231-239; Wood et al. (1990), J. Immunol. 145:3011-3016). The dihydrofolate reductase (DHFR)-deficient mutant cell lines (Urlaub et al. (1980), Proc. Natl. Acad. Sci. U.S.A. 77: 4216-4220, which is incorporated by reference), DXB11 and DG-44, are desirable CHO host cell lines because the efficient DHFR selectable and amplifiable gene expression system allows high level recombinant protein expression in these cells (Kaufman R. J. (1990), Meth. Enzymol. 185:537-566, which is incorporated by reference). In addition, these cells are easy to manipulate as adherent or suspension cultures and exhibit relatively good genetic stability. CHO cells and recombinant proteins expressed in them have been extensively characterized and have been approved for use in clinical commercial manufacturing by regulatory agencies. The methods of the invention can also be practiced using hybridoma cell lines that produce an antibody. Methods for making hybridoma lines are well known in the art. See e.g. Berzofsky et al. in Paul, ed., Fundamental Immunology, Second Edition, pp. 315-356, at 347-350, Raven Press Ltd., New York (1989). Cell lines derived from the above-mentioned lines are also suitable for making IFN-γ inhibitor proteins.
    • Determining Dosage Using Biomarkers
  • Described herein are methods for determining a pharmacodynamically effective dosage of an IFN-γ inhibitor for treating an IFN-γ mediated disease, as well as methods of treatment using such dosages. The method includes assaying for the expression of one or more genes at either the protein or RNA level both before and after administering an IFN-γ inhibitor. The gene(s) can be selected from the genes listed in Table 1 (genes whose expression is modulated in human blood by stimulation with IFN-γ ex vivo), Table 2 (twenty genes whose expression is modulated in human blood to the greatest extent by IFN-γ stimulation ex vivo), Table 3 (ten genes whose expression is modulated to the greatest extent by administration of AMG 811 in vivo), Table 5 (genes whose expression is modulated by a neutralizing human anti-human IFN-γ antibody in vivo), and/or Table 6 (genes whose expression is modulated in human blood by stimulation with IFN-γ ex vivo and whose expression is modulated by a neutralizing human anti-human IFN-γ antibody in vivo). Those doses that modulate the expression of one or more of these genes in a direction consistent with inhibition of IFN-γ can be used to treat an IFN-γ mediated disease.
  • Alternatively or in addition, a pharmacodynamically effective dosage and/or dosing frequency of an IFN-γ inhibitor can be determined by the effect of an IFN-γ inhibitor on the serum concentration of total IFN-γ protein. For example, some doses of an IFN-γ inhibitor, for example an IFN-γ binding protein such as AMG 811, can cause elevation of the serum levels of total IFN-γ. See FIGS. 6A and 6B below. Presumably, this effect results from protection of IFN-γ that is bound by the IFN-γ inhibitor from degradation or more rapid clearance. If patients receiving a higher dose of an IFN-γ inhibitor (for example, 180 mg SC of AMG 811 in FIG. 6A) reach about the same levels of total IFN-γ as those attained by patients receiving a somewhat lower dose (for example, 60 mg SC of AMG 811 in FIG. 6A), it may be that all available IFN-γ is protected at the lower dose. A desirable dose of an IFN-γ binding protein, for example AMG 811, would be one that causes patients to achieve a higher-than-baseline level of total IFN-γ and to maintain this “plateau” concentration for a time period of, for example, at least about 2, 3, 4, 5, 6, 7, or 8 weeks and/or at least about 1, 2, 3, or 4 months. Based on the data in FIGS. 6A and 6B for AMG 811, a desirable dose can be greater than about 20 mg SC, at least about 60 mg SC, at least about 180 mg SC, and/or at least about 60 mg IV. Further, using a dose of an IFN-γ inhibitor such that the levels of total IFN-γ reach and maintain a higher-than-baseline plateau concentration for at least about 2 weeks, dosing frequency can be adjusted such that the levels of total IFN-γ do not fall below about 25%, 50%, 60%, 70%, or 80% of this plateau value. Thus, at a lower dose of an IFN-γ inhibitor where a plateau value is maintained for a shorter period, dosing can be more frequent, whereas at a higher dose of an IFN-γ inhibitor where a plateau value is maintained for a longer period, dosing can be less frequent. For example, based on the data in FIGS. 6A and 6B, at a dose of 60 mg SC of AMG 811, doses can be administered approximately every 2, 3, 4, or 5 weeks. Similarly, at a dose of AMG 811 of 180 mg SC or 60 mg IV, doses can be administered approximately every 6, 7, 8, 9, 10, 11, or 12 weeks.
  • In a particular embodiment, at least the lower end of dosage ranges for treating patients having SLE and/or lupus nephritis with a human anti-human IFN-γ antibody called AMG 811 have been clarified. See Examples 3 and 4 and FIGS. 4, 6-9, and 12-14. In that data, the lowest dose at which a clear biological effect was observed was a dose of 20 milligrams, although clearer effects were observed in some cases at a dose of 60 mg.
  • For any IFN-γ inhibitor that contains a protein, for example an anti-huIFN-γ antibody such as AMG 811, the dose can be at least about 10, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, or 250 mg and/or may not exceed 180, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, or 2000 mg. For example, a per-treatment dose of about 15-500, 20-400, 30-300, 60-180, 80-200, or 100-200 milligrams of the antibody can be used to treat an IFN-γ-mediated disease. Alternatively, a per-treatment dose of about 10, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 220, 240, 260, 270, 290, 300, 350, or 400 milligrams can be used.
  • Alternatively, a dose can be gauged on the basis of a patient's body weight. For example, a dose of at least about 0.1, 0.15, 0.2. 0.25, 0.3, 0.35, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0, 4.2, 4.4, 4.6, 4.8, or 5.0 milligrams per kilogram (mg/kg) and/or not more than about 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, or 10 mg/kg can be administered. In some embodiments, the dose can be from about 0.2 mg/kg to about 10 mg/kg, from about 0.25 mg/kg to about 8 mg/kg, from about 0.5 mg/kg to about 5 mg/kg, from about 1 mg/kg to about 2 mg/kg, from about 1 mg/kg to about 3 mg/kg, or from about 3 mg/kg to about 5 mg/kg.
  • Alternatively, a dose can be administered on the basis of the calculated body surface area of a patient. For example, a dose of at least about 4, 6, 8, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 130, 140, 150, 160, 170, 180, or 190 milligrams per square millimeter (mg/mm2) and/or not more than 200, 220, 240, 260, 280, 300, 320, 340, 360, or 380 mg/mm2 can be administered. In some embodiments the dose can be from about 8 mg/mm2 to about 380 mg/mm2, from about 10 mg/mm2 to about 300 mg/mm2, from about 20 mg/mm2 to about 190 mg/mm2, from about 40 mg/mm2 to about 80 mg/mm2, from about 80 mg/mm2 to about 200 mg/mm2.
  • Since many IFN-γ-mediated diseases are chronic and/or recurrent, repeated doses of the IFN-γ inhibitor, optionally an anti-huIFN-γ antibody, may be required. Repeated doses can be administered, for example, twice per week, once a week, every two, three, four, five, six, seven, eight, nine, ten, eleven, or twelve weeks, or once every one, two, three, four, five, six, seven, eight, nine, ten, eleven, or twelve months.
    • Patient Stratification
  • It is always advantageous for clinicians and patients to be able to predict whether a given treatment will be effective for a particular patient. This is particularly true where the disease commonly includes long asymptomic periods, either alternating with symptomic periods or before the onset of symptoms. Provided herein are methods for determining which patients are likely to be successfully treated with an IFN-γ inhibitor. As discussed above, there are a number of IFN-γ mediated diseases. These include various autoimmune and inflammatory diseases including SLE, including discoid lupus and lupus nephritis, rheumatoid arthritis, type I diabetes, multiple sclerosis, psoriasis, dermatomyositis, sarcoidosis, HLH, and IBDs including Crohn's disease and ulcerative colitis, among a number of others. In the Examples below, it is shown that some genes whose expression was found to be upregulated by IFN-γ ex vivo are downregulated by an anti-human IFN-γ antibody in vivo. These genes are listed in Table 6 below.
  • Provided are methods for identifying patients suffering from an IFN-γ mediated disease likely to benefit from treatment with an IFN-γ inhibitor comprising determining whether the expression of one or more genes listed in Tables 1, 2, 4, 5, and/or 6 in a biological sample from the patient deviates from the expression of that gene(s) in a control biological sample in a direction consistent with excess IFN-γ. If the level of expression of one or more genes mentioned above in the biological sample from the patient deviates from the levels of expression in the control biological sample in a direction consistent with excess IFN-γ, it can indicate that the patient is a candidate for treatment with an IFN-γ inhibitor. The IFN-γ inhibitor can be an anti-huIFN-γ antibody or an IFN-γ receptor.
  • In another aspect, patients likely to benefit from treatment with an IFN-γ inhibitor can be identified by determining the levels of total IFN-γ in a biological sample from the patient as, for example, described in Example 3. Patients with undetectable or very low levels of total IFN-γ may not benefit from therapy with an IFN-γ inhibitor, for example an IFN-γ binding protein such an antibody. On the other hand, patients whose biological samples have total IFN-γ levels that are substantially higher than those detected in a control biological sample can benefit from therapy with an IFN-γ inhibitor, for example an IFN-γ binding protein such an antibody. Thus, determination of total IFN-γ levels in a biological sample from a patient can be used to identify patients likely to benefit from therapy with an IFN-γ inhibitor, for example an IFN-γ binding protein such as an anti-IFN-γ antibody.
    • Methods for Determining Treatment Efficacy
  • The methods provided herein can be useful for patients and clinicians in deciding whether to continue a treatment with an IFN-γ inhibitor in a particular patient. In the clinical studies reported in the Examples below, it is reported that the expression of a number of genes is modulated in a statistically significant manner in response to treatment with an anti-huIFN-γ antibody. In a variable and episodic disease such as, for example, SLE or MS, it may be impossible to tell from clinical signs and symptoms whether a treatment is having an effect within a given time period, such as, for example, 1, 2, or 3 weeks or 1, 2, 3, 4, 5, or 6 months. If, however, the expression of a biomarker listed in Table 1, 2, 4, 5, and/or 6 is modulated in a direction consistent with inhibition of IFN-γ, then it can be known that the treatment is having a biological effect, even though the patient might not show immediate changes in signs and symptoms. In such a case, according to the judgment of a clinician, it can be reasonable to continue treatment. However, if the expression of a biomarker listed in Table 1, 2, 4, 5, and/or 6 is not modulated by the IFN-γ inhibitor or is modulated in a direction consistent with an excess of IFN-γ, and there is not a change in signs and symptoms, it could be reasonably concluded that the patient is not responding to treatment. In such a situation, according to a clinician's judgment, treatment with an IFN-γ inhibitor could be discontinued, and a different treatment could be initiated.
  • Provided are methods for determining the efficacy of an IFN-γ inhibitor such as an anti-huIFN-γ antibody. Such an anti-huIFN-γ antibody can comprise the amino acid sequence of SEQ ID NO: 6, 10, 14, or 30 and SEQ ID NO: 8, 12, 16, or 31 and/or can comprise a light chain CDR1 comprising SEQ ID NO:38, 39, or 40, a light chain CDR2 comprising SEQ ID NO:41 or 42, a light chain CDR3 comprising SEQ ID NO:43 or 44, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36 or 37. A method for determining the efficacy of an IFN-γ inhibitor as a treatment for an IFN-γ-mediated disease can comprise the following steps: 1) determining the level of expression of one or more of the genes listed in Table 1, 2, 4, 5, and/or 6 in a biological sample from a patient at the protein or RNA level; 2) determining the level of expression of the same gene(s) in a biological sample from the patient after administration of the drug; 3) comparing the expression of the gene(s) in biological samples from the patient before and after administration of the drug; 4) determining that the drug has shown evidence of efficacy if the level of expression of the gene(s) in the biological sample taken after administration of the drug has been modulated in a direction consistent with inhibition of IFN-γ; and 5) continuing treatment with the drug if it is determined that the drug has shown evidence of efficacy and discontinuing treatment with the drug if it is determined that the drug has not shown evidence of efficacy.
    • Combination Therapies
  • Treatments exist for most IFN-γ-mediated diseases, even though many of these treatments are relatively ineffective, effective for only a subset of patients, and/or have substantial toxicities that limit patient tolerance of treatment. The IFN-γ inhibitors described herein can be combined with other existing therapies for IFN-γ-mediated diseases.
  • In particular, an SLE patient can be treated concurrently with another therapy for SLE plus an IFN-γ inhibitor such as an anti-IFN-γ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36. Existing therapies for SLE include glucocorticoids such as prednisone, prednisolone, and methylprednisolone, antimalarials such as hydroxychloroquine, quinacrine, and chloroquine, retinoic acid, aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs), cyclophosphamide, dehydroepiandrosterone, mycophenolate mofetil, azathioprine, chlorambucil, methotrexate, tacrolimus, dapsone, thalidomide, leflunomide, cyclosporine, anti-CD20 antibodies such as rituximab, BLyS inhibitors such as belimumab, and fusion proteins such as abatacept. Methods of patient stratification and biomarker monitoring concurrently with treatment, as described herein, can be used in patients receiving such combination drug treatments.
  • In other embodiments a patient suffering from an inflammatory bowel disease (IBD), such as Crohn's disease or ulcerative colitis, can be concurrently treated with a therapy for IBD plus an IFN-γ inhibitor, such as an anti-huIFN-γ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36. Existing therapies for IBD include sulfasalazine, 5-aminosalicylic acid and its derivatives (such as olsalazine, balsalazide, and mesalamine), anti-TNF antibodies (including infliximab, adalimumab, golimumab, and certolizumab pegol), corticosteroids for oral or parenteral administration (including prednisone, methylprednisone, budesonide, or hydrocortisone), adrenocorticotropic hormone, antibiotics (including metronidazole, ciprofloxacin, or rifaximin), azathioprine, 6-mercaptopurine, methotrexate, cyclosporine, tacrolimus, and thalidomide. Methods of patient stratification and biomarker monitoring concurrently with treatment, as described herein, can be used in patients receiving such combination drug treatments.
  • In other embodiments, a patient suffering from rheumatoid arthritis can be concurrently treated with a drug used for RA therapy plus an IFN-γ inhibitor, such as an anti-huIFN-γ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36. Therapies for rheumatoid arthritis (RA) include non-steroidal anti-inflammatory drugs (NSAIDs) (such aspirin and cyclooxygenase-2 (COX-2) inhibitors), disease modifying anti-inflammatory drugs (DMARDs) (such as methotrexate, leflunomide, and sulfasalazine), anti-malarials (such as hydroxychloroquine), cyclophosphamide, D-penicillamine, azathioprine, gold salts, tumor necrosis factor inhibitors (such as etanercept, infliximab, adalimumab, golimumab, and certolizumab pegol), CD20 inhibitors such as rituximab, IL-1 antagonists such as anakinra, IL-6 inhibitors such as tocilizumab, inhibitors of Janus kinases (JAK) (such as tofacitinib), abatacept, and glucocorticoids, among others. Methods of patient stratification and biomarker monitoring concurrently with treatment, as described herein, can be used in patients receiving such combination drug treatments.
  • In another embodiment, a patient suffering from sarcoidosis can be concurrently treated with a drug used for sarcoidosis therapy plus an IFN-γ inhibitor, such as an anti-huIFN-γ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36. Therapies for sarcoidosis include corticosteroids (may be topical or parenteral, depending on symptoms), salicylates (such as aspirin), and colchicine. Methotrexate, cyclophosphamide, azathioprine, and nonsteroidal anti-inflammatory drugs have also been used in sarcoidosis. Various other treatment strategies can be helpful for some of the many different symptoms of sarcoidosis. For example, heart arrhythmias can be treated with antiarrhythmics or a pacemaker. Hypercalcemia can be treated with hydration, reduction in calcium and vitamin D intake, avoidance of sunlight, or ketoconazole. Skin lesions can be treated with chloroquine, hydroxychloroquine, methotrexate, or thalidomide. Methods of patient stratification and biomarker monitoring concurrently with treatment, as described herein, can be used in patients receiving such a combination treatment including an IFN-γ inhibitor plus an existing treatment for sarcoidosis.
  • In another embodiment, a patient suffering from HLH can be concurrently treated with a drug used for HLH therapy plus an IFN-γ inhibitor such as an anti-huIFN-γ antibody comprising SEQ ID NO:6 and SEQ ID NO:8 and/or comprising a light chain CDR1 comprising SEQ ID NO:38, a light chain CDR2 comprising SEQ ID NO:41, a light chain CDR3 comprising SEQ ID NO:43, a heavy chain CDR1 comprising SEQ ID NO:34, a heavy chain CDR2 comprising SEQ ID NO:35, and a heavy chain CDR3 comprising SEQ ID NO:36. Therapies for HLH include corticosteroids, intravenous immunoglobulin, IL-1 inhibiting agents such as anakinra, VP-16, etoposide, cyclosporine A, dexamethasone, various other chemotherapeutics, bone marrow transplant or stem cell transplant, and antiviral and/or antibacterial agents. Any one or more of these therapies can be combined with an anti-huIFN-γ treatment. Further, methods of patient stratification and biomarker monitoring concurrently with treatment, as described herein, can be used in patients receiving such a combination treatment including an IFN-γ inhibitor plus an existing treatment for HLH.
    • Methods of Administration
  • The IFN-γ inhibitors and the other disease treatments described herein can be administered by any feasible method. Therapeutics that comprise a protein will ordinarily be administered by injection since oral administration, in the absence of some special formulation or circumstance, would lead to hydrolysis of the protein in the acid environment of the stomach. Subcutaneous, intramuscular, intravenous, intraarterial, intralesional, or peritoneal injection are possible routes of administration. Topical administration is also possible, especially for diseases involving the skin. Alternatively, IFN-γ inhibitors, and/or other therapeutics comprising a protein, can be administered through contact with a mucus membrane, for example by intra-nasal, sublingual, vaginal, or rectal administration or as an inhalant. Therapeutics that are small molecules can be administered orally, although the routes of administration mentioned above are also possible.
  • Having described the invention in general terms above, the following examples are offered by way of illustration and not limitation.
    • EXAMPLES Example 1 Determining the Identity of Genes Whose Expression in Blood is Modulated by IFN-γ Ex Vivo
  • To define a group of genes regulated by IFN-γ, blood from healthy volunteers was collected into sodium heparin tubes, and then incubated at 37° C., 5% CO2 with or without 294 μM recombinant human IFN-γ for 0, 24, or 48 hours. After incubation, the blood was added to PAXGENE® whole blood tubes (Becton Dickenson Catalog #762165) and processed for RNA purification.
  • Total RNA was isolated from the PAXGENE® whole blood tubes using the PAXGENE® RNA Kit (Qiagen Catalog #762164) on the QIACUBE® automated sample prep system. Samples were labeled using the AGILENT® Low RNA Input Linear Amplification Kit PLUS, Two-Color (Agilent Catalog #5188-5340) per manufacturer's instructions. Briefly, double-stranded cDNA was reverse transcribed from about 300 nanograms of total RNA and acted as template for T7 RNA polymerase in an in vitro transcription reaction in which the target material was simultaneously amplified and labeled with cyanine 3- or cyanine 5-CTPs. The resulting fluorescent complementary RNA was hybridized to AGILENT® human whole genome 4×44K (Cat # G4112F) oligonucleotide microarrays per manufacturer's instructions.
  • Extracted feature intensities for each channel on each array were processed separately by subtracting the lower 0.1th percentile from all intensities and then taking the log base 2. The transformed intensities were mapped using a non-linear function to ensure the distribution of the intensities were comparable between arrays and channels. Arrays were hybridized using a loop-design that allowed estimation and removal of technical bias when averaging the technical repeats.
  • Samples were processed in batches that roughly corresponded to samples from individual cohorts but with a small number of samples repeated between batches to allow estimation and removal of batch effects. Finally, replicates of any identical sequences on the array were averaged to produce a value we called gene intensities.
  • In additional to the above processing, a pre-filtering step was applied. Reporters with low levels of expression were removed if 90% of the values fell below the limit of detection, defined as 1.96 standard deviations above mean background. Background was determined by a set of sequences on the array that are specifically designed to not hybridize with human sequences. Reporters with small dispersion are unlikely to be meaningfully changed, and so, to reduce noise, these were removed. They were defined as those where the fold change between the 5th and 95th percentile was less than 1.5.
  • Statistical analysis of the data to identify genes regulated ex vivo by IFN-γ was performed using a fixed-effects regression model containing factors for donor, time, treatment and all pair wise interactions terms. The treatment effect was similar at the two post-treatment times of 24 and 48 hours (data not shown), so these data were considered a single group to display the treatment effect. The significance threshold was defined at a false discovery rate of 5% and a fold change of 1.72. See Storey, J. D. 2002. A direct approach to false discovery rates. J. R. Statist. Soc. B. 64: 479-498, the relevant portions of which are incorporated herein by reference. The fold change was selected because we expected about 90% power to detect this fold change at a significance level of 0.001 assuming a standard deviation of 0.38. The results from this analysis are shown in FIG. 1.
  • In FIG. 1 each dot represents the average fold change in expression of an individual gene at the RNA level in blood from a healthy volunteer stimulated ex vivo with IFN-γ as compared to the same blood pre-stimulation. The x-axis reflects the fold change, and the y-axis represents the p-value of the difference in gene expression in post-stimulation blood as compared to pre-stimulation blood. Generally, a p-value of 0.05 or less would be considered to indicate statistical significance. The circled dots in FIG. 1 correspond to the twenty genes that showed the greatest fold change in expression upon stimulation with IFN-γ, where the change had a nominal significance level of 0.001 or less. These data show that a large number of genes are up- and down-regulated by IFN-γ. Table 1 below lists genes that were found to be up- or down-regulated by ex vivo stimulation with IFN-γ. The criteria applied to select these genes from among the tens of thousands of genes on the array were a false discovery rate of <0.001, powered at 90% to detect an alpha of 0.001.
  • TABLE 1
    Genes whose expression is modulated by IFN-γ
    Sequence Listing
    number of NCBI Accession Direction of
    AGILENT ® Probe AGILENT ® Probe Symbol of Number of Gene modulation
    Name Sequence Gene Sequence Gene Name by IFN-γ
    A_23_P112026 SEQ ID NO: 350 INDO NM_002164 indoleamine-pyrrole 2,3 dioxygenase up
    A_23_P161428 SEQ ID NO: 72 ANKRD22 NM_144590 ankyrin repeat domain 22 up
    A_23_P18452 SEQ ID NO: 109 CXCL9 NM_002416 chemokine (C—X—C motif) ligand 9 up
    A_23_P7827 SEQ ID NO: 83 RP1- NM_001010919 hypothetical protein LOC441168 up
    93H18.5
    A_24_P28722 SEQ ID NO: 351 RSAD2 NM_080657 radical S-adenosyl methionine domain up
    containing 2
    A_23_P150457 SEQ ID NO: 352 XLKD1 NM_006691 extracellular link domain containing 1 down
    A_24_P165864 SEQ ID NO: 300 P2RY14 NM_014879 purinergic receptor P2Y, G-protein coupled, up
    14
    A_23_P74290 SEQ ID NO: 79 GBP5 NM_052942 guanylate binding protein 5 up
    A_23_P63390 SEQ ID NO: 73 FCGR1B NM_001017986 Fc fragment of IgG, high affinity Ib, receptor up
    (CD64)
    A_24_P245379 SEQ ID NO: 353 SERPINB2 NM_002575 serpin peptidase inhibitor, clade B down
    (ovalbumin), member 2
    A_24_P316965 SEQ ID NO: 354 RSAD2 NM_080657 radical S-adenosyl methionine domain up
    containing 2
    A_24_P561165 SEQ ID NO: 322 A_24_P561165 A_24_P561165 Unknown up
    A_23_P121657 SEQ ID NO: 355 HS3ST1 NM_005114 heparan sulfate (glucosamine) 3-O- down
    sulfotransferase 1
    A_23_P203882 SEQ ID NO: 356 MMP19 NM_002429 matrix metallopeptidase 19 down
    A_24_P303091 SEQ ID NO: 311 CXCL10 NM_001565 chemokine (C—X—C motif) ligand 10 (IP-10) up
    A_32_P107372 SEQ ID NO: 76 GBP1 NM_002053 guanylate binding protein 1, interferon- up
    inducible, 67 kDa
    A_23_P62890 SEQ ID NO: 74 GBP1 NM_002053 guanylate binding protein 1, interferon- up
    inducible, 67 kDa
    A_23_P256487 SEQ ID NO: 78 CD274 ENST00000381577 CD274 molecule up
    A_23_P65651 SEQ ID NO: 278 WARS NM_004184 tryptophanyl-tRNA synthetase up
    A_23_P18604 SEQ ID NO: 232 LAP3 NM_015907 leucine aminopeptidase 3 up
    A_24_P12690 SEQ ID NO: 357 INDOL1 AK128691 indoleamine-pyrrole 2,3 dioxygenase-like 1 up
    A_23_P48513 SEQ ID NO: 269 IFI27 NM_005532 interferon, alpha-inducible protein 27 up
    A_24_P478940 SEQ ID NO: 358 A_24_P478940 THC2668815 Low quality annotation - Q4TBH3_TETNG down
    (Q4TBH3) Chromosome 13 SCAF7124,
    whole genome shotgun sequence, partial
    (3%) [THC2668815]
    A_23_P103496 SEQ ID NO: 196 GBP4 NM_052941 guanylate binding protein 4 up
    A_23_P42353 SEQ ID NO: 77 ETV7 NM_016135 ets variant gene 7 (TEL2 oncogene) up
    A_23_P62115 SEQ ID NO: 359 TIMP1 NM_003254 TIMP metallopeptidase inhibitor 1 down
    A_24_P270460 SEQ ID NO: 309 IFI27 NM_005532 interferon, alpha-inducible protein 27 up
    A_23_P74609 SEQ ID NO: 360 G0S2 NM_015714 G0/G1switch 2 up
    A_23_P39840 SEQ ID NO: 163 VAMP5 NM_006634 vesicle-associated membrane protein 5 up
    (myobrevin)
    A_23_P27306 SEQ ID NO: 361 COLEC12 NM_030781 collectin sub-family member 12 down
    A_24_P45446 SEQ ID NO: 108 GBP4 NM_052941 guanylate binding protein 4 up
    A_23_P76386 SEQ ID NO: 362 SLC6A12 NM_003044 solute carrier family 6 (neurotransmitter up
    transporter, betaine/GABA), member 12
    A_23_P121253 SEQ ID NO: 110 TNFSF10 NM_003810 tumor necrosis factor (ligand) superfamily, up
    member 10
    A_23_P91390 SEQ ID NO: 363 THBD NM_000361 thrombomodulin down
    A_24_P167642 SEQ ID NO: 301 GCH1 NM_000161 GTP cyclohydrolase 1 (dopa-responsive up
    dystonia)
    A_23_P338479 SEQ ID NO: 75 CD274 NM_014143 CD274 molecule up
    A_23_P21485 SEQ ID NO: 364 FLJ20701 NM_017933 hypothetical protein FLJ20701 down
    A_23_P33723 SEQ ID NO: 365 CD163 NM_004244 CD163 molecule down
    A_23_P420196 SEQ ID NO: 366 SOCS1 NM_003745 suppressor of cytokine signaling 1 up
    A_23_P165624 SEQ ID NO: 226 TNFAIP6 NM_007115 tumor necrosis factor, alpha-induced protein 6 up
    A_24_P912985 SEQ ID NO: 326 A_24_P912985 A_24_P912985 Unknown up
    A_24_P15702 SEQ ID NO: 298 LOC389386 XR_017251 similar to leucine aminopeptidase 3 up
    A_23_P156687 SEQ ID NO: 221 CFB NM_001710 complement factor B up
    A_23_P137366 SEQ ID NO: 367 SEQ ID NM_000491 complement component 1, q subcomponent, up
    NO: 100C1QB B chain
    A_23_P139123 SEQ ID NO: 210 SERPING1 NM_000062 serpin peptidase inhibitor, clade G (C1 up
    inhibitor), member 1, (angioedema,
    hereditary)
    A_23_P384355 SEQ ID NO: 368 A_23_P384355 BG547557 Low quality annotation - BG547557 up
    602575410F1 NIH_MGC_77 Homo sapiens
    cDNA clone IMAGE: 4703546 5′, mRNA
    sequence [BG547557]
    A_23_P55356 SEQ ID NO: 369 VMO1 NM_182566 vitelline membrane outer layer 1 homolog down
    (chicken)
    A_23_P32500 SEQ ID NO: 370 STAB1 NM_015136 stabilin 1 down
    A_32_P171061 SEQ ID NO: 371 ASCL2 NM_005170 achaete-scute complex homolog 2 up
    (Drosophila)
    A_23_P210763 SEQ ID NO: 238 JAG1 NM_000214 jagged 1 (Alagille syndrome) up
    A_24_P48204 SEQ ID NO: 320 SECTM1 NM_003004 secreted and transmembrane 1 up
    A_23_P354387 SEQ ID NO: 257 FER1L3 NM_013451 fer-1-like 3, myoferlin (C. elegans) up
    A_24_P353638 SEQ ID NO: 372 SLAMF7 NM_021181 SLAM family member 7 up
    A_23_P53891 SEQ ID NO: 270 KLF5 NM_001730 Kruppel-like factor 5 (intestinal) up
    A_32_P44394 SEQ ID NO: 87 AIM2 NM_004833 absent in melanoma 2 up
    A_23_P153185 SEQ ID NO: 373 SERPINB2 ENST00000299502 serpin peptidase inhibitor, clade B down
    (ovalbumin), member 2
    A_23_P200138 SEQ ID NO: 374 SLAMF8 NM_020125 SLAM family member 8 up
    A_23_P207456 SEQ ID NO: 375 CCL8 NM_005623 chemokine (C-C motif) ligand 8 up
    A_24_P380734 SEQ ID NO: 376 SDC2 NM_002998 syndecan 2 (heparan sulfate proteoglycan 1, down
    cell surface-associated, fibroglycan)
    A_23_P370682 SEQ ID NO: 80 BATF2 NM_138456 basic leucine zipper transcription factor, up
    ATF-like 2
    A_23_P329261 SEQ ID NO: 251 KCNJ2 NM_000891 potassium inwardly-rectifying channel, up
    subfamily J, member 2
    A_24_P383523 SEQ ID NO: 317 SAMD4A NM_015589 sterile alpha motif domain containing 4A up
    A_23_P167328 SEQ ID NO: 377 CD38 NM_001775 CD38 molecule up
    A_23_P209625 SEQ ID NO: 236 CYP1B1 NM_000104 cytochrome P450, family 1, subfamily B, down
    polypeptide 1
    A_23_P335661 SEQ ID NO: 253 SAMD4A AB028976 sterile alpha motif domain containing 4A up
    A_23_P159325 SEQ ID NO: 378 ANGPTL4 NM_139314 angiopoietin-like 4 down
    A_23_P2831 SEQ ID NO: 379 EDNRB NM_003991 endothelin receptor type B down
    A_23_P35412 SEQ ID NO: 256 IFIT3 NM_001549 interferon-induced protein with up
    tetratricopeptide repeats 3
    A_23_P29773 SEQ ID NO: 380 LAMP3 NM_014398 lysosomal-associated membrane protein 3 up
    A_23_P101992 SEQ ID NO: 381 MARCO NM_006770 macrophage receptor with collagenous down
    structure
    A_23_P105794 SEQ ID NO: 197 EPSTI1 NM_033255 epithelial stromal interaction 1 (breast) up
    A_23_P207507 SEQ ID NO: 382 ABCC3 NM_003786 ATP-binding cassette, sub-family C down
    (CFTR/MRP), member 3
    A_23_P45871 SEQ ID NO: 383 IFI44L NM_006820 interferon-induced protein 44-like up
    A_23_P75430 SEQ ID NO: 285 C11ORF75 NM_020179 chromosome 11 open reading frame 75 up
    A_24_P350686 SEQ ID NO: 106 TIFA NM_052864 TRAF-interacting protein with a forkhead- up
    associated domain
    A_23_P57709 SEQ ID NO: 384 PCOLCE2 NM_013363 procollagen C-endopeptidase enhancer 2 down
    A_23_P70095 SEQ ID NO: 385 CD74 NM_001025158 CD74 molecule, major histocompatibility up
    complex, class II invariant chain
    A_32_P56001 SEQ ID NO: 386 CD93 NM_012072 CD93 molecule down
    A_24_P943205 SEQ ID NO: 332 EPSTI1 ENST00000313624 epithelial stromal interaction 1 (breast) up
    A_24_P305067 SEQ ID NO: 387 HOXB4 NM_024015 homeobox B4 up
    A_23_P347541 SEQ ID NO: 99 GRIN3A NM_133445 glutamate receptor, ionotropic, N-methyl-D- up
    aspartate 3A
    A_32_P162183 SEQ ID NO: 338 C2 NM_000063 complement component 2 up
    A_23_P30913 SEQ ID NO: 388 HLA-DPA1 NM_033554 major histocompatibility complex, class II, DP up
    alpha 1
    A_23_P211445 SEQ ID NO: 240 LIMK2 NM_016733 LIM domain kinase 2 up
    A_23_P207905 SEQ ID NO: 389 SECTM1 NM_003004 secreted and transmembrane 1 up
    A_23_P128050 SEQ ID NO: 390 BCL2L14 NM_030766 BCL2-like 14 (apoptosis facilitator) up
    A_23_P41765 SEQ ID NO: 261 IRF1 NM_002198 interferon regulatory factor 1 up
    A_24_P245815 SEQ ID NO: 306 ASPHD2 AK097157 aspartate beta-hydroxylase domain up
    containing 2
    A_23_P86682 SEQ ID NO: 391 FER1L3 NM_013451 fer-1-like 3, myoferlin (C. elegans) up
    A_23_P58390 SEQ ID NO: 392 C4ORF32 NM_152400 chromosome 4 open reading frame 32 up
    A_23_P56630 SEQ ID NO: 89 STAT1 NM_007315 signal transducer and activator of up
    transcription 1, 91 kDa
    A_23_P25354 SEQ ID NO: 393 P2RX7 NM_002562 purinergic receptor P2X, ligand-gated ion up
    channel, 7
    A_23_P358709 SEQ ID NO: 394 AHRR NM_020731 aryl-hydrocarbon receptor repressor down
    A_23_P207003 SEQ ID NO: 395 40790 NM_004574 septin 4 up
    A_24_P170136 SEQ ID NO: 396 A_24_P170136 ENST00000383097 Low quality annotation - similar to HLA class up
    II histocompatibility antigen, DP alpha chain
    precursor (HLA-SB alpha chain) (MHC class
    II DP3-alpha) (DP(W3)) (DP(W4))
    (LOC642043), mRNA
    [Source: RefSeq_dna; Acc: XR_018078]
    [ENST00000383097]
    A_23_P144959 SEQ ID NO: 397 CSPG2 NM_004385 chondroitin sulfate proteoglycan 2 (versican) down
    A_23_P163079 SEQ ID NO: 225 GCH1 NM_000161 GTP cyclohydrolase 1 (dopa-responsive up
    dystonia)
    A_23_P134176 SEQ ID NO: 398 SOD2 NM_001024465 superoxide dismutase 2, mitochondrial up
    A_24_P852756 SEQ ID NO: 399 HLA-DQA2 NM_020056 major histocompatibility complex, class II, up
    DQ alpha 2
    A_24_P165423 SEQ ID NO: 400 RBP7 NM_052960 retinol binding protein 7, cellular down
    A_32_P9543 SEQ ID NO: 348 APOBEC3A NM_145699 apolipoprotein B mRNA editing enzyme, up
    catalytic polypeptide-like 3A
    A_32_P15169 SEQ ID NO: 336 A_32_P15169 A_32_P15169 Unknown up
    A_24_P7040 SEQ ID NO: 401 LOC123862 XR_017225 similar to Interferon-induced transmembrane up
    protein 3 (Interferon-inducible protein 1-8U)
    A_24_P378019 SEQ ID NO: 402 IRF7 NM_004031 interferon regulatory factor 7 up
    A_23_P59005 SEQ ID NO: 113 TAP1 NM_000593 transporter 1, ATP-binding cassette, sub- up
    family B (MDR/TAP)
    A_23_P331928 SEQ ID NO: 403 CD109 NM_133493 CD109 molecule down
    A_23_P218928 SEQ ID NO: 243 C4ORF18 NM_016613 chromosome 4 open reading frame 18 down
    A_23_P8513 SEQ ID NO: 290 SNX10 NM_013322 sorting nexin 10 up
    A_24_P54863 SEQ ID NO: 142 C4ORF32 NM_152400 chromosome 4 open reading frame 32 up
    A_23_P17837 SEQ ID NO: 231 APOL1 NM_145343 apolipoprotein L, 1 up
    A_23_P65427 SEQ ID NO: 277 PSME2 NM_002818 proteasome (prosome, macropain) activator up
    subunit 2 (PA28 beta)
    A_32_P30004 SEQ ID NO: 342 A_32_P30004 AF086044 Low quality annotation - Homo sapiens full up
    length insert cDNA clone YX74D05.
    [AF086044]
    A_23_P421423 SEQ ID NO: 263 TNFAIP2 NM_006291 tumor necrosis factor, alpha-induced protein 2 up
    A_23_P14174 SEQ ID NO: 213 TNFSF13B NM_006573 tumor necrosis factor (ligand) superfamily, up
    member 13b
    A_23_P29237 SEQ ID NO: 404 APOL3 NM_145641 apolipoprotein L, 3 up
    A_23_P64721 SEQ ID NO: 276 GPR109B NM_006018 G protein-coupled receptor 109B up
    A_23_P166633 SEQ ID NO: 405 ITGB5 NM_002213 integrin, beta 5 down
    A_24_P98109 SEQ ID NO: 334 SNX10 NM_013322 sorting nexin 10 up
    A_24_P243528 SEQ ID NO: 406 HLA-DPA1 NM_033554 major histocompatibility complex, class II, DP up
    alpha 1
    A_23_P83098 SEQ ID NO: 289 ALDH1A1 NM_000689 aldehyde dehydrogenase 1 family, member up
    A1
    A_23_P166797 SEQ ID NO: 228 RTP4 NM_022147 receptor (chemosensory) transporter protein 4 up
    A_23_P214821 SEQ ID NO: 407 EDN1 NM_001955 endothelin 1 up
    A_23_P123608 SEQ ID NO: 107 JAK2 NM_004972 Janus kinase 2 (a protein tyrosine kinase) up
    A_23_P11543 SEQ ID NO: 408 FUCA1 NM_000147 fucosidase, alpha-L-1, tissue down
    A_23_P259901 SEQ ID NO: 409 TKTL1 NM_012253 transketolase-like 1 down
    A_23_P145874 SEQ ID NO: 215 SAMD9L NM_152703 sterile alpha motif domain containing 9-like up
    A_23_P217269 SEQ ID NO: 410 VSIG4 NM_007268 V-set and immunoglobulin domain containing 4 down
    A_23_P33384 SEQ ID NO: 411 CIITA NM_000246 class II, major histocompatibility complex, up
    transactivator
    A_23_P85783 SEQ ID NO: 412 PHGDH NM_006623 phosphoglycerate dehydrogenase up
    A_32_P166272 SEQ ID NO: 96 A_32_P166272 THC2650457 Low quality annotation - ALU6_HUMAN up
    (P39193) Alu subfamily SP sequence
    contamination warning entry, partial (12%)
    [THC2650457]
    A_23_P150768 SEQ ID NO: 413 SLCO2B1 NM_007256 solute carrier organic anion transporter down
    family, member 2B1
    A_24_P319113 SEQ ID NO: 414 P2RX7 NM_002562 purinergic receptor P2X, ligand-gated ion up
    channel, 7
    A_23_P206212 SEQ ID NO: 415 THBS1 NM_003246 thrombospondin 1 down
    A_24_P239731 SEQ ID NO: 416 B4GALT5 NM_004776 UDP-Gal:betaGlcNAc beta 1,4- up
    galactosyltransferase, polypeptide 5
    A_24_P98210 SEQ ID NO: 335 TFEC NM_012252 transcription factor EC up
    A_32_P87697 SEQ ID NO: 417 HLA-DRA NM_019111 major histocompatibility complex, class II, up
    DR alpha
    A_23_P417383 SEQ ID NO: 418 SASP NM_152792 skin aspartic protease up
    A_23_P45099 SEQ ID NO: 419 HLA-DRB5 NM_002125 major histocompatibility complex, class II, up
    DR beta 5
    A_23_P3014 SEQ ID NO: 420 RNASE6 NM_005615 ribonuclease, RNase A family, k6 down
    A_24_P868905 SEQ ID NO: 421 LOC391020 XR_018907 similar to Interferon-induced transmembrane up
    protein 3 (Interferon-inducible protein 1-8U)
    A_24_P557479 SEQ ID NO: 422 BIRC4BP NM_017523 XIAP associated factor-1 up
    A_24_P196827 SEQ ID NO: 423 HLA-DQA1 NM_002122 major histocompatibility complex, class II, up
    DQ alpha 1
    A_24_P365469 SEQ ID NO: 424 B4GALT5 NM_004776 UDP-Gal:betaGlcNAc beta 1,4- up
    galactosyltransferase, polypeptide 5
    A_23_P72737 SEQ ID NO: 283 IFITM1 NM_003641 interferon induced transmembrane protein 1 up
    (9-27)
    A_23_P8108 SEQ ID NO: 425 HLA-DQB1 NM_002123 major histocompatibility complex, class II, up
    DQ beta 1
    A_24_P322353 SEQ ID NO: 91 PSTPIP2 NM_024430 proline-serine-threonine phosphatase up
    interacting protein 2
    A_23_P209995 SEQ ID NO: 426 IL1RN NM_173842 interleukin 1 receptor antagonist up
    A_23_P23074 SEQ ID NO: 427 IFI44 NM_006417 interferon-induced protein 44 up
    A_23_P73837 SEQ ID NO: 428 TLR8 NM_016610 toll-like receptor 8 up
    A_23_P160720 SEQ ID NO: 224 SNFT NM_018664 Jun dimerization protein p21SNFT up
    A_32_P184394 SEQ ID NO: 339 TFEC NM_012252 transcription factor EC up
    A_23_P87545 SEQ ID NO: 429 IFITM3 NM_021034 interferon induced transmembrane protein 3 up
    (1-8U)
    A_23_P48414 SEQ ID NO: 430 CCNA1 NM_003914 cyclin A1 up
    A_23_P258769 SEQ ID NO: 431 HLA-DPB1 NM_002121 major histocompatibility complex, class II, DP up
    beta 1
    A_23_P96556 SEQ ID NO: 94 GK NM_203391 glycerol kinase up
    A_23_P63209 SEQ ID NO: 432 HSD11B1 NM_181755 hydroxysteroid (11-beta) dehydrogenase 1 up
    A_23_P31006 SEQ ID NO: 433 HLA-DRB5 NM_002125 major histocompatibility complex, class II, up
    DR beta 5
    A_23_P120316 SEQ ID NO: 434 MTHFD2 NM_001040409 methylenetetrahydrofolate dehydrogenase up
    (NADP+ dependent) 2,
    methenyltetrahydrofolate cyclohydrolase
    A_23_P63896 SEQ ID NO: 92 FAS NM_000043 Fas (TNF receptor superfamily, member 6) up
    A_24_P845223 SEQ ID NO: 435 A_24_P845223 M27126 Low quality annotation - Human lymphocyte up
    antigen (DRw8) mRNA. [M27126]
    A_23_P81898 SEQ ID NO: 288 UBD NM_006398 ubiquitin D up
    A_23_P153320 SEQ ID NO: 217 ICAM1 NM_000201 intercellular adhesion molecule 1 (CD54), up
    human rhinovirus receptor
    A_23_P213102 SEQ ID NO: 436 PALLD NM_016081 palladin, cytoskeletal associated protein down
    A_23_P819 SEQ ID NO: 437 ISG15 NM_005101 ISG15 ubiquitin-like modifier up
    A_23_P202029 SEQ ID NO: 438 SPFH1 NM_006459 SPFH domain family, member 1 up
    A_23_P170719 SEQ ID NO: 439 A_23_P170719 A_23_P170719 Unknown down
    A_24_P367576 SEQ ID NO: 440 RCBTB2 AK125170 regulator of chromosome condensation down
    (RCC1) and BTB (POZ) domain containing
    protein 2
    A_23_P69109 SEQ ID NO: 281 PLSCR1 NM_021105 phospholipid scramblase 1 up
    A_23_P19510 SEQ ID NO: 441 HLA-DQB2 NM_182549 major histocompatibility complex, class II, up
    DQ beta 2
    A_24_P100387 SEQ ID NO: 85 GK NM_203391 glycerol kinase up
    A_23_P4283 SEQ ID NO: 442 BIRC4BP NM_017523 XIAP associated factor-1 up
    A_24_P288836 SEQ ID NO: 443 HLA-DPB2 NR_001435 major histocompatibility complex, class II, DP up
    beta 2 (pseudogene)
    A_24_P66027 SEQ ID NO: 324 APOBEC3B NM_004900 apolipoprotein B mRNA editing enzyme, up
    catalytic polypeptide-like 3B
    A_23_P157136 SEQ ID NO: 444 SCIN NM_033128 scinderin up
    A_24_P274270 SEQ ID NO: 88 STAT1 NM_139266 signal transducer and activator of up
    transcription 1, 91 kDa
    A_23_P306148 SEQ ID NO: 445 PML NM_002675 promyelocytic leukemia up
    A_24_P370472 SEQ ID NO: 446 HLA-DRB4 NM_021983 major histocompatibility complex, class II, up
    DR beta 4
    A_23_P218549 SEQ ID NO: 447 EMR3 NM_032571 egf-like module containing, mucin-like, down
    hormone receptor-like 3
    A_24_P246626 SEQ ID NO: 448 A_24_P246626 ENST00000308384 Low quality annotation - similar to HLA class up
    II histocompatibility antigen, DP alpha chain
    precursor (HLA-SB alpha chain) (MHC class
    II DP3-alpha) (DP(W3)) (DP(W4))
    (LOC642074), mRNA
    [Source: RefSeq_dna; Acc: XR_018081]
    [ENST00000308384]
    A_23_P358944 SEQ ID NO: 449 PML NM_033244 promyelocytic leukemia up
    A_23_P69383 SEQ ID NO: 101 PARP9 NM_031458 poly (ADP-ribose) polymerase family, up
    member 9
    A_24_P343929 SEQ ID NO: 450 OAS2 NM_016817 2′-5′-oligoadenylate synthetase 2, 69/71 kDa up
    A_24_P354800 SEQ ID NO: 451 HLA-DOA NM_002119 major histocompatibility complex, class II, up
    DO alpha
    A_32_P209960 SEQ ID NO: 452 CIITA NM_000246 class II, major histocompatibility complex, up
    transactivator
    A_24_P118892 SEQ ID NO: 453 IRF7 NM_004029 interferon regulatory factor 7 up
    A_24_P222655 SEQ ID NO: 305 C1QA NM_015991 complement component 1, q subcomponent, up
    A chain
    A_24_P119745 SEQ ID NO: 454 FN1 NM_212482 fibronectin 1 down
    A_23_P34835 SEQ ID NO: 455 LMNA NM_005572 lamin A/C down
    A_24_P578437 SEQ ID NO: 456 A_24_P578437 BE926212 Low quality annotation - BE926212 RC5- up
    BN0193-310800-034-A04 BN0193 Homo
    sapiens cDNA, mRNA sequence [BE926212]
    A_23_P47955 SEQ ID NO: 457 OAS3 NM_006187 2′-5′-oligoadenylate synthetase 3, 100 kDa up
    A_24_P169013 SEQ ID NO: 458 HLA-DRB6 NR_001298 major histocompatibility complex, class II, up
    DR beta 6 (pseudogene)
    A_23_P76450 SEQ ID NO: 459 PHLDA1 NM_007350 pleckstrin homology-like domain, family A, down
    member 1
    A_23_P328740 SEQ ID NO: 460 LINCR BC012317 likely ortholog of mouse lung-inducible up
    Neutralized-related C3HC4 RING domain
    protein
    A_23_P380857 SEQ ID NO: 259 APOL4 NM_030643 apolipoprotein L, 4 up
    A_24_P299318 SEQ ID NO: 461 FAM101B NM_182705 family with sequence similarity 101, member B down
    A_32_P13337 SEQ ID NO: 462 A_32_P13337 THC2645080 Unknown down
    A_23_P4773 SEQ ID NO: 463 LILRB5 NM_006840 leukocyte immunoglobulin-like receptor, down
    subfamily B (with TM and ITIM domains),
    member 5
    A_32_P108254 SEQ ID NO: 464 FAM20A NM_017565 family with sequence similarity 20, member A up
    A_24_P343233 SEQ ID NO: 465 HLA-DRB1 NM_002124 major histocompatibility complex, class II, up
    DR beta 1
    A_32_P351968 SEQ ID NO: 466 HLA-DMB NM_002118 major histocompatibility complex, class II, up
    DM beta
    A_23_P145336 SEQ ID NO: 467 HLA-DRB3 BC106057 major histocompatibility complex, class II, up
    DR beta 3
    A_24_P325520 SEQ ID NO: 468 SORT1 NM_002959 sortilin 1 up
    A_32_P75264 SEQ ID NO: 469 TMEM26 NM_178505 transmembrane protein 26 down
    A_23_P39364 SEQ ID NO: 470 HOMER3 NM_004838 homer homolog 3 (Drosophila) down
    A_24_P402222 SEQ ID NO: 471 HLA-DRB3 NM_022555 major histocompatibility complex, class II, up
    DR beta 3
    A_24_P353300 SEQ ID NO: 472 LIMK2 NM_001031801 LIM domain kinase 2 up
    A_32_P167592 SEQ ID NO: 473 A_32_P167592 ENST00000339867 Low quality annotation - similar to Interferon- up
    induced transmembrane protein 3
    (Interferon-inducible protein 1-8U)
    (LOC650205), mRNA
    [Source: RefSeq_dna; Acc: XR_018421]
    [ENST00000339867]
    A_24_P100382 SEQ ID NO: 474 GK NM_203391 glycerol kinase up
    A_23_P255444 SEQ ID NO: 100 DAPP1 NM_014395 dual adaptor of phosphotyrosine and 3- up
    phosphoinositides
    A_23_P359245 SEQ ID NO: 475 MET NM_000245 met proto-oncogene (hepatocyte growth down
    factor receptor)
    A_32_P78121 SEQ ID NO: 476 A_32_P78121 CD743044 Low quality annotation - CD743044 UI-H- up
    FT1-bjx-e-03-0-UI.s1 NCI_CGAP_FT1 Homo
    sapiens cDNA clone UI-H-FT1-bjx-e-03-0-UI
    3′, mRNA sequence [CD743044]
    A_23_P252106 SEQ ID NO: 166 RIPK2 NM_003821 receptor-interacting serine-threonine kinase 2 up
    A_23_P120883 SEQ ID NO: 477 HMOX1 NM_002133 heme oxygenase (decycling) 1 down
    A_23_P97064 SEQ ID NO: 296 FBXO6 NM_018438 F-box protein 6 up
    A_24_P416997 SEQ ID NO: 478 APOL3 NM_145641 apolipoprotein L, 3 up
    A_23_P68155 SEQ ID NO: 279 IFIH1 NM_022168 interferon induced with helicase C domain 1 up
    A_23_P149476 SEQ ID NO: 216 EFCAB2 NM_032328 EF-hand calcium binding domain 2 up
    A_24_P172481 SEQ ID NO: 302 TRIM22 NM_006074 tripartite motif-containing 22 up
    A_23_P51487 SEQ ID NO: 93 GBP3 NM_018284 guanylate binding protein 3 up
    A_23_P30900 SEQ ID NO: 479 HLA-DQA1 BC008585 major histocompatibility complex, class II, up
    DQ alpha 1
    A_24_P323148 SEQ ID NO: 313 LYPD5 NM_182573 LY6/PLAUR domain containing 5 up
    A_24_P928052 SEQ ID NO: 327 NRP1 NM_003873 neuropilin 1 down
    A_24_P166443 SEQ ID NO: 480 HLA-DPB1 NM_002121 major histocompatibility complex, class II, DP up
    beta 1
    A_24_P16124 SEQ ID NO: 481 IFITM4P NR_001590 interferon induced transmembrane protein 4 up
    pseudogene
    A_23_P136683 SEQ ID NO: 482 HLA-DQB1 M20432 major histocompatibility complex, class II, up
    DQ beta 1
    A_24_P278126 SEQ ID NO: 310 NBN NM_001024688 nibrin up
    A_23_P203498 SEQ ID NO: 233 TRIM22 NM_006074 tripartite motif-containing 22 up
    A_23_P125278 SEQ ID NO: 202 CXCL11 NM_005409 chemokine (C—X—C motif) ligand 11 up
    A_23_P79518 SEQ ID NO: 287 IL1B NM_000576 interleukin 1, beta down
    A_24_P923271 SEQ ID NO: 483 A_24_P923271 M15073 Low quality annotation - Human MHC class II up
    HLA-DR-beta-1 chain mRNA (DR4, Dw14), 3′
    end, clone BIN40c30. [M15073]
    A_23_P209678 SEQ ID NO: 237 PLEK NM_002664 pleckstrin up
    A_23_P258493 SEQ ID NO: 247 LMNB1 NM_005573 lamin B1 up
    A_23_P146943 SEQ ID NO: 484 ATP1B1 NM_001677 ATPase, Na+/K+ transporting, beta 1 up
    polypeptide
    A_23_P208119 SEQ ID NO: 84 PSTPIP2 NM_024430 proline-serine-threonine phosphatase up
    interacting protein 2
    A_24_P915692 SEQ ID NO: 485 PHLDA1 NM_007350 pleckstrin homology-like domain, family A, down
    member 1
    A_23_P259561 SEQ ID NO: 486 A_23_P259561 THC2632039 Low quality annotation - Q8SPE4_9PRIM up
    (Q8SPE4) Major histocompatibility complex
    (Fragment), partial (85%) [THC2632039]
    A_24_P361896 SEQ ID NO: 487 MT2A NM_005953 metallothionein 2A up
    A_23_P106844 SEQ ID NO: 488 MT2A NM_005953 metallothionein 2A up
    A_24_P370702 SEQ ID NO: 126 GBP3 NM_018284 guanylate binding protein 3 up
    A_23_P132388 SEQ ID NO: 205 SCO2 NM_005138 SCO cytochrome oxidase deficient homolog up
    2 (yeast)
    A_23_P25155 SEQ ID NO: 489 GPR84 NM_020370 G protein-coupled receptor 84 up
    A_23_P64343 SEQ ID NO: 275 TIMM10 NM_012456 translocase of inner mitochondrial membrane up
    10 homolog (yeast)
    A_24_P97405 SEQ ID NO: 490 CCRL2 NM_003965 chemokine (C-C motif) receptor-like 2 up
    A_24_P190472 SEQ ID NO: 491 SLPI NM_003064 secretory leukocyte peptidase inhibitor up
    A_23_P207058 SEQ ID NO: 492 SOCS3 NM_003955 suppressor of cytokine signaling 3 up
    A_24_P52168 SEQ ID NO: 493 A_24_P52168 A_24_P52168 Unknown up
    A_23_P29953 SEQ ID NO: 248 IL15 NM_172174 interleukin 15 up
    A_32_P72351 SEQ ID NO: 494 A_32_P72351 AK026140 Low quality annotation - Homo sapiens down
    cDNA: FLJ22487 fis, clone HRC10931.
    [AK026140]
    A_23_P35912 SEQ ID NO: 129 CASP4 NM_033306 caspase 4, apoptosis-related cysteine up
    peptidase
    A_23_P252413 SEQ ID NO: 495 MT2A ENST00000245185 metallothionein 2A up
    A_32_P118013 SEQ ID NO: 496 A_32_P118013 THC2657593 Low quality annotation - ALU1_HUMAN up
    (P39188) Alu subfamily J sequence
    contamination warning entry, partial (7%)
    [THC2657593]
    A_23_P201587 SEQ ID NO: 497 SORT1 NM_002959 sortilin 1 up
    A_23_P347040 SEQ ID NO: 255 DTX3L NM_138287 deltex 3-like (Drosophila) up
    A_23_P47304 SEQ ID NO: 267 CASP5 NM_004347 caspase 5, apoptosis-related cysteine up
    peptidase
    A_23_P133916 SEQ ID NO: 208 C2 NM_000063 complement component 2 up
    A_23_P94412 SEQ ID NO: 295 PDCD1LG2 NM_025239 programmed cell death 1 ligand 2 up
    A_24_P662177 SEQ ID NO: 498 A_24_P662177 THC2666469 Unknown up
    A_23_P85693 SEQ ID NO: 90 GBP2 NM_004120 guanylate binding protein 2, interferon- up
    inducible
    A_24_P48014 SEQ ID NO: 499 SOCS1 NM_003745 suppressor of cytokine signaling 1 up
    A_32_P56249 SEQ ID NO: 500 A_32_P56249 THC2670291 Low quality annotation - UBP30_HUMAN up
    (Q70CQ3) Ubiquitin carboxyl-terminal
    hydrolase 30 (Ubiquitin thioesterase 30)
    (Ubiquitin-specific-processing protease 30)
    (Deubiquitinating enzyme 30), partial (5%)
    [THC2670291]
    A_32_P56759 SEQ ID NO: 344 PARP14 NM_017554 poly (ADP-ribose) polymerase family, up
    member 14
    A_23_P154235 SEQ ID NO: 102 NMI NM_004688 N-myc (and STAT) interactor up
    A_24_P397817 SEQ ID NO: 501 LEP NM_000230 leptin (obesity homolog, mouse) down
    A_24_P62530 SEQ ID NO: 502 RHOU NM_021205 ras homolog gene family, member U up
    A_23_P156788 SEQ ID NO: 222 STX11 NM_003764 syntaxin 11 up
    A_24_P925314 SEQ ID NO: 503 GM2A AK127910 GM2 ganglioside activator up
    A_23_P64828 SEQ ID NO: 504 OAS1 NM_002534 2′,5′-oligoadenylate synthetase 1, 40/46 kDa up
    A_23_P128541 SEQ ID NO: 505 TRAFD1 NM_006700 TRAF-type zinc finger domain containing 1 up
    A_23_P42718 SEQ ID NO: 506 NFE2L3 NM_004289 nuclear factor (erythroid-derived 2)-like 3 up
    A_24_P89457 SEQ ID NO: 507 CDKN1A NM_078467 cyclin-dependent kinase inhibitor 1A (p21, up
    Cip1)
    A_23_P14754 SEQ ID NO: 508 HAPLN3 NM_178232 hyaluronan and proteoglycan link protein 3 up
    A_23_P103398 SEQ ID NO: 509 PSEN2 NM_000447 presenilin 2 (Alzheimer disease 4) up
    A_23_P75741 SEQ ID NO: 286 UBE2L6 NM_198183 ubiquitin-conjugating enzyme E2L 6 up
    A_23_P101434 SEQ ID NO: 510 NLRP12 NM_033297 NLR family, pyrin domain containing 12 down
    A_23_P141362 SEQ ID NO: 511 FZD2 NM_001466 frizzled homolog 2 (Drosophila) up
    A_24_P287043 SEQ ID NO: 512 IFITM2 NM_006435 interferon induced transmembrane protein 2 up
    (1-8D)
    A_24_P207139 SEQ ID NO: 513 PML NM_033238 promyelocytic leukemia up
    A_23_P121716 SEQ ID NO: 201 ANXA3 NM_005139 annexin A3 up
    A_23_P120002 SEQ ID NO: 514 SP110 NM_004510 SP110 nuclear body protein up
    A_23_P111000 SEQ ID NO: 119 PSMB9 NM_002800 proteasome (prosome, macropain) subunit, up
    beta type, 9 (large multifunctional peptidase
    2)
    A_32_P356316 SEQ ID NO: 515 HLA-DOA NM_002119 major histocompatibility complex, class II, up
    DO alpha
    A_23_P69310 SEQ ID NO: 282 CCRL2 NM_003965 chemokine (C-C motif) receptor-like 2 up
    A_24_P254933 SEQ ID NO: 516 A_24_P254933 ENST00000270031 Low quality annotation - interferon induced up
    transmembrane protein 3 (1-8U) (IFITM3),
    mRNA
    [Source: RefSeq_dna; Acc: NM_021034]
    [ENST00000270031]
    A_23_P85240 SEQ ID NO: 517 TLR7 NM_016562 toll-like receptor 7 up
    A_24_P36898 SEQ ID NO: 86 GBP2 ENST00000294663 guanylate binding protein 2, interferon- up
    inducible
    A_23_P210811 SEQ ID NO: 518 CD93 NM_012072 CD93 molecule down
    A_23_P133142 SEQ ID NO: 207 ALPK1 NM_025144 alpha-kinase 1 up
    A_23_P210465 SEQ ID NO: 519 PI3 NM_002638 peptidase inhibitor 3, skin-derived (SKALP) up
    A_23_P24004 SEQ ID NO: 244 IFIT2 NM_001547 interferon-induced protein with up
    tetratricopeptide repeats 2
    A_24_P48898 SEQ ID NO: 321 APOL2 NM_145637 apolipoprotein L, 2 up
    A_23_P82449 SEQ ID NO: 520 DFNA5 NM_004403 deafness, autosomal dominant 5 down
    A_23_P128447 SEQ ID NO: 203 LRRK2 NM_198578 leucine-rich repeat kinase 2 up
    A_23_P416894 SEQ ID NO: 521 LOC54103 AK126364 hypothetical protein LOC54103 up
    A_23_P57036 SEQ ID NO: 522 CD40 NM_001250 CD40 molecule, TNF receptor superfamily up
    member 5
    A_24_P403959 SEQ ID NO: 523 RNASE1 NM_198232 ribonuclease, RNase A family, 1 (pancreatic) down
    A_23_P110196 SEQ ID NO: 524 HERC5 NM_016323 hect domain and RLD 5 up
    A_23_P1962 SEQ ID NO: 525 RARRES3 NM_004585 retinoic acid receptor responder (tazarotene up
    induced) 3
    A_23_P500614 SEQ ID NO: 526 TNFRSF8 NM_001243 tumor necrosis factor receptor superfamily, down
    member 8
    A_23_P11201 SEQ ID NO: 527 GPR34 NM_001033513 G protein-coupled receptor 34 down
    A_23_P217258 SEQ ID NO: 528 CYBB NM_000397 cytochrome b-245, beta polypeptide (chronic up
    granulomatous disease)
    A_32_P71710 SEQ ID NO: 529 A_32_P71710 AI094165 Low quality annotation - AI094165 up
    qa29a01.s1 Soares_NhHMPu_S1 Homo
    sapiens cDNA clone IMAGE: 1688136 3′
    similar to gb: X64532_rna1 INTERLEUKIN-1
    RECEPTOR ANTAGONIST PROTEIN
    PRECURSOR (HUMAN);, mRNA sequence
    [AI094165]
    A_24_P935652 SEQ ID NO: 530 NUB1 CR606629 negative regulator of ubiquitin-like proteins 1 up
    A_24_P851254 SEQ ID NO: 531 A_24_P851254 AK026267 Low quality annotation - Homo sapiens down
    cDNA: FLJ22614 fis, clone HSI05089.
    [AK026267]
    A_23_P116414 SEQ ID NO: 532 HRASLS3 NM_007069 HRAS-like suppressor 3 up
    A_23_P59210 SEQ ID NO: 533 CDKN1A NM_000389 cyclin-dependent kinase inhibitor 1A (p21, up
    Cip1)
    A_23_P42969 SEQ ID NO: 266 FGL2 NM_006682 fibrinogen-like 2 up
    A_24_P403417 SEQ ID NO: 534 PTGES NM_004878 prostaglandin E synthase down
    A_23_P17655 SEQ ID NO: 230 KCNJ15 NM_170736 potassium inwardly-rectifying channel, up
    subfamily J, member 15
    A_23_P91230 SEQ ID NO: 535 SLPI NM_003064 secretory leukocyte peptidase inhibitor up
    A_23_P152234 SEQ ID NO: 536 CMTM2 NM_144673 CKLF-like MARVEL transmembrane domain down
    containing 2
    A_23_P62932 SEQ ID NO: 537 ATP1B1 NM_001677 ATPase, Na+/K+ transporting, beta 1 up
    polypeptide
    A_24_P161018 SEQ ID NO: 299 PARP14 NM_017554 poly (ADP-ribose) polymerase family, up
    member 14
    A_23_P42306 SEQ ID NO: 538 HLA-DMA NM_006120 major histocompatibility complex, class II, up
    DM alpha
    A_23_P144872 SEQ ID NO: 539 GM2A NM_000405 GM2 ganglioside activator up
    A_32_P115555 SEQ ID NO: 540 A_32_P115555 AA991488 Low quality annotation - os91h09.s1 up
    NCI_CGAP_GC3 Homo sapiens cDNA clone
    IMAGE: 1612769 3′ similar to gb: J00194 HLA
    CLASS II HISTOCOMPATIBILITY
    ANTIGEN, DR ALPHA CHAIN (HUMAN);,
    mRNA sequence [AA991488]
    A_23_P91640 SEQ ID NO: 541 ASPHD2 NM_020437 aspartate beta-hydroxylase domain up
    containing 2
    A_23_P140807 SEQ ID NO: 211 PSMB10 NM_002801 proteasome (prosome, macropain) subunit, up
    beta type, 10
    A_23_P378588 SEQ ID NO: 542 ARL5B NM_178815 ADP-ribosylation factor-like 5B up
    A_23_P104493 SEQ ID NO: 543 PAPSS2 NM_001015880 3′-phosphoadenosine 5′-phosphosulfate down
    synthase 2
    A_23_P87709 SEQ ID NO: 293 FLJ22662 NM_024829 hypothetical protein FLJ22662 up
    A_23_P111804 SEQ ID NO: 544 PARP12 NM_022750 poly (ADP-ribose) polymerase family, up
    member 12
    A_23_P129486 SEQ ID NO: 545 SEPX1 NM_016332 selenoprotein X, 1 up
    A_23_P9232 SEQ ID NO: 294 GCNT1 NM_001490 glucosaminyl (N-acetyl) transferase 1, core 2 up
    (beta-1,6-N-acetylglucosaminyltransferase)
    A_24_P15502 SEQ ID NO: 546 A_24_P15502 A_24_P15502 Unknown up
    A_23_P55998 SEQ ID NO: 547 SLC1A5 NM_005628 solute carrier family 1 (neutral amino acid up
    transporter), member 5
    A_23_P15414 SEQ ID NO: 218 SCARF1 NM_145351 scavenger receptor class F, member 1 up
    A_23_P100711 SEQ ID NO: 548 PMP22 NM_000304 peripheral myelin protein 22 down
    A_24_P11142 SEQ ID NO: 549 KIAA0040 NM_014656 KIAA0040 up
    A_23_P3221 SEQ ID NO: 250 SQRDL NM_021199 sulfide quinone reductase-like (yeast) up
    A_23_P39237 SEQ ID NO: 550 ZFP36 NM_003407 zinc finger protein 36, C3H type, homolog up
    (mouse)
    A_23_P353717 SEQ ID NO: 551 C16ORF75 NM_152308 chromosome 16 open reading frame 75 up
    A_24_P382319 SEQ ID NO: 316 CEACAM1 NM_001712 carcinoembryonic antigen-related cell up
    adhesion molecule 1 (biliary glycoprotein)
    A_24_P141214 SEQ ID NO: 552 STOM NM_198194 stomatin up
    A_23_P252062 SEQ ID NO: 553 PPARG NM_138711 peroxisome proliferator-activated receptor down
    gamma
    A_24_P53051 SEQ ID NO: 128 LACTB NM_171846 lactamase, beta up
    A_32_P108277 SEQ ID NO: 554 A_32_P108277 BQ130147 Low quality annotation - BQ130147 up
    ij85d08.x1 Human insulinoma Homo sapiens
    cDNA clone IMAGE: 5778111 3′, mRNA
    sequence [BQ130147]
    A_32_P95082 SEQ ID NO: 347 C9ORF39 NM_017738 chromosome 9 open reading frame 39 up
    A_23_P211488 SEQ ID NO: 241 APOL2 NM_145637 apolipoprotein L, 2 up
    A_23_P56746 SEQ ID NO: 271 FAP NM_004460 fibroblast activation protein, alpha up
    A_24_P935819 SEQ ID NO: 328 SOD2 BC016934 superoxide dismutase 2, mitochondrial up
    A_23_P329870 SEQ ID NO: 252 RHBDF2 NM_024599 rhomboid 5 homolog 2 (Drosophila) up
    A_23_P4821 SEQ ID NO: 268 JUNB NM_002229 jun B proto-oncogene up
    A_23_P95172 SEQ ID NO: 555 C17ORF27 NM_020914 chromosome 17 open reading frame 27 up
    A_23_P93442 SEQ ID NO: 556 SASH1 NM_015278 SAM and SH3 domain containing 1 up
    A_23_P112260 SEQ ID NO: 200 GNG10 NM_001017998 guanine nucleotide binding protein (G up
    protein), gamma 10
    A_24_P260101 SEQ ID NO: 557 MME NM_007289 membrane metallo-endopeptidase (neutral down
    endopeptidase, enkephalinase)
    A_23_P20814 SEQ ID NO: 235 DDX58 NM_014314 DEAD (Asp-Glu-Ala-Asp) box polypeptide 58 up
    (SEQ ID NO: 697)
    A_24_P98047 SEQ ID NO: 558 SLC16A10 NM_018593 solute carrier family 16, member 10 down
    (aromatic amino acid transporter)
    A_23_P401106 SEQ ID NO: 260 PDE2A NM_002599 phosphodiesterase 2A, cGMP-stimulated down
    A_23_P142424 SEQ ID NO: 214 TMEM149 NM_024660 transmembrane protein 149 up
    A_23_P216225 SEQ ID NO: 559 EGR3 NM_004430 early growth response 3 up
    A_23_P17663 SEQ ID NO: 560 MX1 NM_002462 myxovirus (influenza virus) resistance 1, up
    interferon-inducible protein p78 (mouse)
    A_23_P26024 SEQ ID NO: 561 C15ORF48 NM_032413 chromosome 15 open reading frame 48 up
    A_23_P4286 SEQ ID NO: 562 BIRC4BP NM_017523 XIAP associated factor-1 up
    A_23_P364024 SEQ ID NO: 563 GLIPR1 NM_006851 GLI pathogenesis-related 1 (glioma) down
    A_23_P166408 SEQ ID NO: 227 OSM NM_020530 oncostatin M up
    A_23_P155049 SEQ ID NO: 219 APOL6 NM_030641 apolipoprotein L, 6 up
    A_23_P141021 SEQ ID NO: 564 AYTL1 NM_017839 acyltransferase like 1 up
    A_24_P47329 SEQ ID NO: 319 A_24_P47329 BC063641 Low quality annotation - Homo sapiens up
    cDNA clone IMAGE: 4745832, partial cds.
    [BC063641]
    A_23_P44836 SEQ ID NO: 565 NT5DC2 NM_022908 5′-nucleotidase domain containing 2 down
    A_23_P68106 SEQ ID NO: 566 TMSB10 NM_021103 thymosin, beta 10 up
    A_23_P2793 SEQ ID NO: 567 ALOX5AP NM_001629 arachidonate 5-lipoxygenase-activating down
    protein
    A_24_P481844 SEQ ID NO: 568 HLA-DMB BC035650 major histocompatibility complex, class II, up
    DM beta
    A_23_P133133 SEQ ID NO: 206 ALPK1 NM_025144 alpha-kinase 1 up
    A_24_P315405 SEQ ID NO: 569 A_24_P315405 A_24_P315405 Unknown up
    A_23_P251480 SEQ ID NO: 245 NBN NM_001024688 nibrin up
    A_23_P402892 SEQ ID NO: 164 NLRC5 NM_032206 NLR family, CARD domain containing 5 up
    A_23_P427703 SEQ ID NO: 570 MT1L X97261 metallothionein 1L (pseudogene) up
    A_23_P112251 SEQ ID NO: 199 GNG10 NM_001017998 guanine nucleotide binding protein (G up
    protein), gamma 10
    A_23_P34142 SEQ ID NO: 571 WBP5 NM_016303 WW domain binding protein 5 down
    A_23_P76823 SEQ ID NO: 572 ADSSL1 NM_199165 adenylosuccinate synthase like 1 down
    A_23_P161338 SEQ ID NO: 573 PPA1 NM_021129 pyrophosphatase (inorganic) 1 up
    A_32_P156746 SEQ ID NO: 337 A_32_P156746 BE825944 Low quality annotation - BE825944 CM2- up
    EN0014-310500-207-g07 EN0014 Homo
    sapiens cDNA, mRNA sequence [BE825944]
    A_24_P198598 SEQ ID NO: 574 PML NM_002675 promyelocytic leukemia up
    A_23_P137856 SEQ ID NO: 575 MUC1 NM_002456 mucin 1, cell surface associated up
    A_24_P940166 SEQ ID NO: 576 PAPSS2 NM_001015880 3′-phosphoadenosine 5′-phosphosulfate down
    synthase 2
    A_23_P103765 SEQ ID NO: 577 FCER1A NM_002001 Fc fragment of IgE, high affinity I, receptor down
    for; alpha polypeptide
    A_23_P26583 SEQ ID NO: 158 NLRC5 NM_032206 NLR family, CARD domain containing 5 up
    A_23_P259692 SEQ ID NO: 578 PSAT1 NM_058179 phosphoserine aminotransferase 1 up
    A_23_P111583 SEQ ID NO: 579 CD36 NM_001001547 CD36 molecule (thrombospondin receptor) down
    A_24_P943597 SEQ ID NO: 580 PHLDA1 NM_007350 pleckstrin homology-like domain, family A, down
    member 1
    A_24_P49199 SEQ ID NO: 581 GLDN NM_181789 gliomedin up
    A_24_P941912 SEQ ID NO: 331 DTX3L NM_138287 deltex 3-like (Drosophila) up
    A_23_P142697 SEQ ID NO: 582 TTLL4 NM_014640 tubulin tyrosine ligase-like family, member 4 down
    A_23_P256445 SEQ ID NO: 138 VCPIP1 NM_025054 valosin containing protein (p97)/p47 complex up
    interacting protein 1
    A_23_P129492 SEQ ID NO: 204 SEPX1 NM_016332 selenoprotein X, 1 up
    A_23_P78037 SEQ ID NO: 583 CCL7 NM_006273 chemokine (C-C motif) ligand 7 down
    A_23_P119789 SEQ ID NO: 584 FAM11B NR_000034 family with sequence similarity 11, member B up
    A_23_P168828 SEQ ID NO: 229 KLF10 NM_005655 Kruppel-like factor 10 up
    A_24_P273716 SEQ ID NO: 585 ZBTB24 NM_014797 zinc finger and BTB domain containing 24 up
    A_23_P137931 SEQ ID NO: 586 ADORA3 NM_000677 adenosine A3 receptor down
    A_23_P255263 SEQ ID NO: 587 STOM NM_198194 stomatin up
    A_24_P210406 SEQ ID NO: 588 KLF5 NM_001730 Kruppel-like factor 5 (intestinal) up
    A_32_P91773 SEQ ID NO: 345 A_32_P91773 THC2544236 Low quality annotation - ALU1_HUMAN up
    (P39188) Alu subfamily J sequence
    contamination warning entry, partial (10%)
    [THC2530569]
    A_24_P183150 SEQ ID NO: 589 CXCL3 NM_002090 chemokine (C—X—C motif) ligand 3 down
    A_24_P84198 SEQ ID NO: 590 LOC441849 XR_019057 similar to Methionine-R-sulfoxide reductase up
    (Selenoprotein X 1)
    A_24_P88690 SEQ ID NO: 591 SLC11A1 NM_000578 solute carrier family 11 (proton-coupled down
    divalent metal ion transporters), member 1
    A_32_P92415 SEQ ID NO: 346 A_32_P92415 THC2526269 Low quality annotation - ALU5_HUMAN up
    (P39192) Alu subfamily SC sequence
    contamination warning entry, partial (14%)
    [THC2526269]
    A_23_P68851 SEQ ID NO: 280 KREMEN1 NM_001039570 kringle containing transmembrane protein 1 up
    A_24_P50245 SEQ ID NO: 592 HLA-DMA NM_006120 major histocompatibility complex, class II, up
    DM alpha
    A_24_P935986 SEQ ID NO: 329 BCAT1 NM_005504 branched chain aminotransferase 1, down
    cytosolic
    A_24_P201360 SEQ ID NO: 593 ACSL5 NM_203380 acyl-CoA synthetase long-chain family up
    member 5
    A_24_P124624 SEQ ID NO: 594 OLR1 NM_002543 oxidized low density lipoprotein (lectin-like) down
    receptor 1
    A_23_P253145 SEQ ID NO: 595 TAGAP NM_054114 T-cell activation GTPase activating protein up
    A_24_P354724 SEQ ID NO: 596 TAGAP NM_054114 T-cell activation GTPase activating protein up
    A_23_P160025 SEQ ID NO: 597 IFI16 NM_005531 interferon, gamma-inducible protein 16 up
    A_23_P161647 SEQ ID NO: 598 PC NM_001040716 pyruvate carboxylase down
    A_23_P8812 SEQ ID NO: 599 A_23_P8812 W60781 Low quality annotation - W60781 zd26f05.r1 down
    Soares_fetal_heart_NbHH19W Homo
    sapiens cDNA clone IMAGE: 341793 5′
    similar to gb: J02874 FATTY ACID-BINDING
    PROTEIN, ADIPOCYTE (HUMAN);, mRNA
    sequence [W60781]
    A_23_P250245 SEQ ID NO: 600 CD72 NM_001782 CD72 molecule up
    A_23_P502520 SEQ ID NO: 601 IL4I1 NM_172374 interleukin 4 induced 1 up
    A_23_P153390 SEQ ID NO: 602 CLEC4G NM_198492 C-type lectin superfamily 4, member G up
    A_24_P941167 SEQ ID NO: 330 APOL6 NM_030641 apolipoprotein L, 6 up
    A_23_P138680 SEQ ID NO: 209 IL15RA NM_172200 interleukin 15 receptor, alpha up
    A_32_P191417 SEQ ID NO: 340 A_32_P191417 AI439246 Low quality annotation - AI439246 ti59a08.x1 up
    NCI_CGAP_Lym12 Homo sapiens cDNA
    clone IMAGE: 2134742 3′ similar to
    gb: M81141 HLA CLASS II
    HISTOCOMPATIBILITY ANTIGEN, DQ(1)
    BETA CHAIN (HUMAN);, mRNA sequence
    [AI439246]
    A_23_P202978 SEQ ID NO: 603 CASP1 NM_033292 caspase 1, apoptosis-related cysteine up
    peptidase (interleukin 1, beta, convertase)
    A_23_P97990 SEQ ID NO: 604 HTRA1 NM_002775 HtrA serine peptidase 1 down
    A_24_P334361 SEQ ID NO: 314 FLJ20035 NM_017631 hypothetical protein FLJ20035 up
    A_23_P114814 SEQ ID NO: 605 RHOU NM_021205 ras homolog gene family, member U up
    A_23_P122924 SEQ ID NO: 606 INHBA NM_002192 inhibin, beta A (activin A, activin AB alpha up
    polypeptide)
    A_23_P152782 SEQ ID NO: 607 IFI35 NM_005533 interferon-induced protein 35 up
    A_24_P212481 SEQ ID NO: 304 MCTP1 NM_024717 multiple C2 domains, transmembrane 1 up
    A_23_P145965 SEQ ID NO: 608 TPST1 NM_003596 tyrosylprotein sulfotransferase 1 down
    A_24_P77008 SEQ ID NO: 609 PTGS2 NM_000963 prostaglandin-endoperoxide synthase 2 up
    (prostaglandin G/H synthase and
    cyclooxygenase)
    A_23_P37983 SEQ ID NO: 610 MT1B NM_005947 metallothionein 1B (functional) up
    A_23_P253791 SEQ ID NO: 611 CAMP NM_004345 cathelicidin antimicrobial peptide down
    A_23_P5273 SEQ ID NO: 612 SBNO2 NM_014963 strawberry notch homolog 2 (Drosophila) up
    A_23_P91802 SEQ ID NO: 613 ECGF1 NM_001953 endothelial cell growth factor 1 (platelet- up
    derived)
    A_23_P152548 SEQ ID NO: 614 SCPEP1 NM_021626 serine carboxypeptidase 1 up
    A_23_P4662 SEQ ID NO: 615 BCL3 NM_005178 B-cell CLL/lymphoma 3 up
    A_32_P222250 SEQ ID NO: 341 A_32_P222250 AF119908 Low quality annotation - Homo sapiens up
    PRO2955 mRNA, complete cds. [AF119908]
    A_23_P256724 SEQ ID NO: 616 TNFRSF10C NM_003841 tumor necrosis factor receptor superfamily, down
    member 10c, decoy without an intracellular
    domain
    A_23_P205489 SEQ ID NO: 617 SLC7A8 NM_182728 solute carrier family 7 (cationic amino acid down
    transporter, y+ system), member 8
    A_24_P243749 SEQ ID NO: 618 PDK4 NM_002612 pyruvate dehydrogenase kinase, isozyme 4 down
    A_24_P272389 SEQ ID NO: 619 LOC285216 AK092228 hypothetical protein LOC285216 up
    A_23_P161125 SEQ ID NO: 620 MOV10 NM_020963 Mov10, Moloney leukemia virus 10, homolog up
    (mouse)
    A_24_P659202 SEQ ID NO: 323 A_24_P659202 THC2527772 Low quality annotation - HUMC4AA2 up
    complement component C4A {Homo
    sapiens} (exp = −1; wgp = 0; cg = 0), partial (6%)
    [THC2527772]
    A_24_P914519 SEQ ID NO: 621 CYBB S67289 cytochrome b-245, beta polypeptide (chronic up
    granulomatous disease)
    A_24_P304071 SEQ ID NO: 622 IFIT2 NM_001547 interferon-induced protein with up
    tetratricopeptide repeats 2
    A_23_P214176 SEQ ID NO: 623 CD109 NM_133493 CD109 molecule down
    A_23_P127663 SEQ ID NO: 624 PRRG4 NM_024081 proline rich Gla (G-carboxyglutamic acid) 4 up
    (transmembrane)
    A_23_P215566 SEQ ID NO: 625 AHR NM_001621 aryl hydrocarbon receptor down
    A_24_P398130 SEQ ID NO: 626 USP6NL ENST00000277575 USP6 N-terminal like up
    A_24_P42264 SEQ ID NO: 627 LYZ NM_000239 lysozyme (renal amyloidosis) up
    A_23_P397293 SEQ ID NO: 628 LY6K NM_017527 lymphocyte antigen 6 complex, locus K down
    A_23_P30243 SEQ ID NO: 629 LRAP NM_022350 leukocyte-derived arginine aminopeptidase up
    A_24_P133542 SEQ ID NO: 630 PML NM_002675 promyelocytic leukemia up
    A_24_P211106 SEQ ID NO: 631 A_24_P211106 ENST00000382790 Low quality annotation - Tumor necrosis down
    factor receptor superfamily member 11A
    precursor (Receptor activator of NF-KB)
    (Osteoclast differentiation factor receptor)
    (ODFR) (CD265 antigen).
    [Source: Uniprot/SWISSPROT; Acc: Q9Y6Q6]
    [ENST00000382790]
    A_24_P7322 SEQ ID NO: 632 A_24_P7322 A_24_P7322 Unknown up
    A_23_P343837 SEQ ID NO: 254 PARP11 NM_020367 poly (ADP-ribose) polymerase family, up
    member 11
    A_23_P90041 SEQ ID NO: 633 NLRP12 NM_033297 NLR family, pyrin domain containing 12 down
    A_32_P121978 SEQ ID NO: 634 A_32_P121978 A_32_P121978 Unknown up
    A_23_P202837 SEQ ID NO: 635 CCND1 NM_053056 cyclin D1 up
    A_24_P136866 SEQ ID NO: 636 SLC8A1 NM_021097 solute carrier family 8 (sodium/calcium up
    exchanger), member 1
    A_24_P97342 SEQ ID NO: 333 PROK2 NM_021935 prokineticin 2 down
    A_24_P352952 SEQ ID NO: 637 FAM20A NM_017565 family with sequence similarity 20, member A up
    A_23_P32233 SEQ ID NO: 638 KLF4 NM_004235 Kruppel-like factor 4 (gut) up
    A_23_P156327 SEQ ID NO: 639 TGFBI NM_000358 transforming growth factor, beta-induced, down
    68 kDa
    A_23_P60933 SEQ ID NO: 640 MT1G NM_005950 metallothionein 1G up
    A_32_P199462 SEQ ID NO: 641 LOC389073 ENST00000341287 similar to RIKEN cDNA D630023F18 up
    A_24_P835388 SEQ ID NO: 642 A_24_P835388 A_24_P835388 Unknown down
    A_23_P217428 SEQ ID NO: 643 ARHGAP6 NM_001174 Rho GTPase activating protein 6 down
    A_23_P571 SEQ ID NO: 272 SLC2A1 NM_006516 solute carrier family 2 (facilitated glucose down
    transporter), member 1
    A_23_P30069 SEQ ID NO: 249 FLJ31033 AK023743 hypothetical protein FLJ31033 up
    A_23_P52219 SEQ ID NO: 644 SPFH1 NM_006459 SPFH domain family, member 1 up
    A_23_P53763 SEQ ID NO: 645 C13ORF18 NM_025113 chromosome 13 open reading frame 18 down
    A_23_P42302 SEQ ID NO: 265 HLA-DQA2 NM_020056 major histocompatibility complex, class II, up
    DQ alpha 2
    A_23_P42282 SEQ ID NO: 264 C4B NM_001002029 complement component 4B (Childo blood up
    group)
    A_23_P329353 SEQ ID NO: 646 C2ORF32 NM_015463 chromosome 2 open reading frame 32 down
    A_23_P46936 SEQ ID NO: 647 EGR2 NM_000399 early growth response 2 (Krox-20 homolog, up
    Drosophila)
    A_23_P74001 SEQ ID NO: 284 S100A12 NM_005621 S100 calcium binding protein A12 down
    A_23_P206724 SEQ ID NO: 648 MT1E NM_175617 metallothionein 1E (functional) up
    A_32_P118010 SEQ ID NO: 649 A_32_P118010 THC2657593 Low quality annotation - ALU1_HUMAN up
    (P39188) Alu subfamily J sequence
    contamination warning entry, partial (7%)
    [THC2657593]
    A_23_P502312 SEQ ID NO: 650 CD97 NM_078481 CD97 molecule up
    A_24_P135322 SEQ ID NO: 651 NRP1 NM_001024629 neuropilin 1 down
    A_23_P368484 SEQ ID NO: 652 C17ORF76 NM_207387 chromosome 17 open reading frame 76 down
    A_24_P335656 SEQ ID NO: 653 SECTM1 NM_003004 secreted and transmembrane 1 up
    A_23_P139066 SEQ ID NO: 654 RNF141 NM_016422 ring finger protein 141 down
    A_23_P138426 SEQ ID NO: 655 USP6NL BC042943 USP6 N-terminal like up
    A_23_P116286 SEQ ID NO: 656 AMPD3 NM_001025390 adenosine monophosphate deaminase down
    (isoform E)
    A_24_P85539 SEQ ID NO: 657 FN1 NM_212482 fibronectin 1 down
    A_24_P304154 SEQ ID NO: 312 AMPD3 NM_001025390 adenosine monophosphate deaminase down
    (isoform E)
    A_23_P41424 SEQ ID NO: 658 SLC39A8 NM_022154 solute carrier family 39 (zinc transporter), down
    member 8
    A_24_P125096 SEQ ID NO: 659 MT1X NM_005952 metallothionein 1X up
    A_23_P138541 SEQ ID NO: 660 AKR1C3 NM_003739 aldo-keto reductase family 1, member C3 (3- down
    alpha hydroxysteroid dehydrogenase, type II)
    A_24_P372625 SEQ ID NO: 315 RNF141 NM_016422 ring finger protein 141 down
    A_32_P2605 SEQ ID NO: 661 A_32_P2605 AV756170 Low quality annotation - AV756170 BM up
    Homo sapiens cDNA clone BMFBGA09 5′,
    mRNA sequence [AV756170]
    A_23_P378288 SEQ ID NO: 662 IKZF4 BX647761 IKAROS family zinc finger 4 (Eos) up
    A_23_P434919 SEQ ID NO: 663 RAB42 NM_152304 RAB42, member RAS oncogene family down
    A_23_P55738 SEQ ID NO: 664 CEACAM1 NM_001024912 carcinoembryonic antigen-related cell up
    adhesion molecule 1 (biliary glycoprotein)
    A_23_P414343 SEQ ID NO: 665 MT1H NM_005951 metallothionein 1H up
    Low quality annotation - xq40c08.x1
    A_24_P924010 SEQ ID NO: 666 A_24_P924010 AW275876 NCI_CGAP_Lu28 Homo sapiens cDNA up
    clone IMAGE: 2753102 3′ similar to
    gb: X57352 INTERFERON-INDUCIBLE
    PROTEIN 1-8U (HUMAN);, mRNA sequence
    [AW275876]
    A_32_P117016 SEQ ID NO: 667 A_32_P117016 AK094088 Low quality annotation - Homo sapiens up
    cDNA FLJ36769 fis, clone ADIPS2000245.
    [AK094088]
    A_23_P303242 SEQ ID NO: 668 MT1X NM_005952 metallothionein 1X up
    A_24_P156490 SEQ ID NO: 133 KCNMA1 NM_002247 potassium large conductance calcium- up
    activated channel, subfamily M, alpha
    member
    1
    A_32_P103695 SEQ ID NO: 669 FAM92A1 CR627475 family with sequence similarity 92, member up
    A1
    A_24_P335305 SEQ ID NO: 670 OAS3 NM_006187 2′-5′- oligoadenylate synthetase 3, 100 kDa up
    A_23_P52266 SEQ ID NO: 671 IFIT1 NM_001548 interferon-induced protein with up
    tetratricopeptide repeats 1
    A_23_P24104 SEQ ID NO: 672 PLAU NM_002658 plasminogen activator, urokinase up
    A_23_P161837 SEQ ID NO: 673 MRVI1 NM_130385 murine retrovirus integration site 1 homolog down
    A_32_P133090 SEQ ID NO: 674 A_32_P133090 BG216262 Low quality annotation - RST35951 Athersys up
    RAGE Library Homo sapiens cDNA, mRNA
    sequence [BG216262]
    A_24_P306810 SEQ ID NO: 675 KIAA1618 ENST00000319902 KIAA1618 up
    A_32_P200724 SEQ ID NO: 676 A_32_P200724 AK128013 Low quality annotation - Homo sapiens up
    cDNA FLJ46132 fis, clone TESTI2051627.
    [AK128013]
    A_23_P87879 SEQ ID NO: 677 CD69 NM_001781 CD69 molecule up
    A_23_P41344 SEQ ID NO: 678 EREG NM_001432 epiregulin down
    A_23_P48596 SEQ ID NO: 679 RNASE1 NM_198232 ribonuclease, RNase A family, 1 (pancreatic) down
    A_23_P135755 SEQ ID NO: 680 IL8RB NM_001557 interleukin 8 receptor, beta down
    A_23_P132822 SEQ ID NO: 115 XRN1 NM_019001 5′-3′ exoribonuclease 1 up
    A_23_P213014 SEQ ID NO: 681 SLC2A9 NM_001001290 solute carrier family 2 (facilitated glucose up
    transporter), member 9
    A_32_P399546 SEQ ID NO: 343 ARNTL2 AF256215 aryl hydrocarbon receptor nuclear up
    translocator-like 2
    A_24_P62521 SEQ ID NO: 682 PSEN2 NM_000447 presenilin 2 (Alzheimer disease 4) up
    A_24_P277367 SEQ ID NO: 683 CXCL5 NM_002994 chemokine (C—X—C motif) ligand 5 down
    A_23_P39925 SEQ ID NO: 684 DYSF NM_003494 dysferlin, limb girdle muscular dystrophy 2B up
    (autosomal recessive)
    A_24_P250922 SEQ ID NO: 307 PTGS2 NM_000963 prostaglandin-endoperoxide synthase 2 up
    (prostaglandin G/H synthase and
    cyclooxygenase)
    A_23_P163782 SEQ ID NO: 685 LOC645745 NM_001039954 metallothionein 1H-like protein up
    A_23_P216712 SEQ ID NO: 686 TRPM6 NM_017662 transient receptor potential cation channel, down
    subfamily M, member 6
    A_23_P69171 SEQ ID NO: 687 SUCNR1 NM_033050 succinate receptor 1 up
    A_24_P7594 SEQ ID NO: 688 APOL6 NM_030641 apolipoprotein L, 6 up
    A_23_P373017 SEQ ID NO: 689 CCL3 NM_002983 chemokine (C-C motif) ligand 3 up
    A_23_P205200 SEQ ID NO: 234 DHRS12 NM_024705 dehydrogenase/reductase (SDR family) up
    member 12
    A_23_P304356 SEQ ID NO: 690 CLEC5A NM_013252 C-type lectin domain family 5, member A down
    A_23_P217049 SEQ ID NO: 691 FREQ NM_014286 frequenin homolog (Drosophila) down
    A_23_P157527 SEQ ID NO: 692 LRRCC1 NM_033402 leucine rich repeat and coiled-coil domain up
    containing 1
    A_23_P206707 SEQ ID NO: 693 MT1G NM_005950 metallothionein 1G up
    A_32_P138348 SEQ ID NO: 694 LY6K NM_017527 lymphocyte antigen 6 complex, locus K down
    A_23_P110204 SEQ ID NO: 695 CXCL5 NM_002994 chemokine (C—X—C motif) ligand 5 down
    A_23_P113212 SEQ ID NO: 696 TMEM45A NM_018004 transmembrane protein 45A up

    Amino acid and nucleotide sequences included in publicly available database entries corresponding to the National Center for Biotechnology Information (NCBI) accession numbers listed in Table 1 above are incorporated herein by reference. Similarly, the sequences of the Agilent® probes are publicly available in the Gene Expression Omnibus (GEO) Database of NCBI. In particular, these sequences are among those disclosed for the Agilent-026652 Whole Human Genome Microarray 4×44K v2 and are incorporated herein by reference.
    • Example 2 Serum Levels of Selected Proteins in Lupus and Lupus Nephritis Patients Compared to Healthy Volunteers
  • Gene dysregulation in SLE was initially examined in a study of 19 healthy volunteers and 39 lupus subjects, which included patients from the clinical trial described in Example 3 as well as other lupus patients. Further, these studies were extended to include patients participating in the clinical trial described in Example 4 below, which included lupus nephritis patients as well as patients having SLE without nephritis. Peripheral blood samples from healthy volunteers and from lupus patients (before dosing) were collected in serum separator tubes (red/black marble top) and processed for serum. Serum CXCL10, CCL2, C—C motif chemokine 5 (CCL5; also known as RANTES), and IL-18 concentrations were determined with commercially available ELISAs according to the manufacturers' instructions (R&D Systems, Minneapolis, Minn. and Medical & Biological Laboratories Co, Ltd, Des Plaines, Ill.). Samples were analyzed in triplicate and levels were quantified by interpolation from a standard curve run in parallel on each micro-titer plate. Log ratio of gene expression in lupus subjects relative to healthy subjects along with 95% confidence intervals were estimated using linear regression and expressed as fold change. See Kackar, R. N., and Harville, D. A. 1984. Approximations for Standard Errors of Estimators of Fixed and Random Effects in Mixed Linear-Models. Journal of the American Statistical Association 79: 853-862, the relevant portions of which are incorporated herein by reference.
  • The results are shown in FIG. 2. These data indicate that median serum levels of CXCL10, IL-18, and CCL2 were elevated in SLE and lupus nephritis subjects compared to healthy volunteers. Further, median levels observed in lupus nephritis patients were at least numerically higher than levels observed in SLE patients, though differences were statistically significant only for IL-18 expression. No difference in levels of RANTES could be demonstrated (data not shown). As will be shown below, expression of CXCL10 at the RNA and protein levels is decreased in vivo in human lupus and lupus nephritis patients in response to treatment with the anti-huIFN-γ antibody AMG 811.
  • Similarly, gene dysregulation in SLE compared to healthy subjects at the RNA level was investigated using microarray analysis performed essentially as described in Example 1 except that the pre-filtering step was omitted. These results are reported in part in Table 2 below. Like the results displayed in FIG. 2, data in Table 2 indicate that levels of expression of some genes at the RNA level differ in SLE patients as compared to healthy volunteers.
    • Example 3 Single Dose Escalation Study of a Neutralizing Anti-huIFN-γ Antibody
  • Described below is a phase 1, randomized, double-blind, placebo-controlled, single dose escalation study of an anti-huIFN-γ antibody (AMG 811) in subjects with mild, stable SLE. Anti-huIFN-γ antibodies, including AMG 811, are described herein (above under the heading “Interferon Gamma Inhibitors”) and in U.S. Pat. No. 7,335,743, the relevant portions of which are incorporated herein by reference. Adults aged 18 to 65 with a diagnosis of SLE (as defined by the American College of Rheumatology classification criteria) of at least 6 months duration were enrolled. Anti-malarials, leflunomide, or methotrexate, and up to 20 mg/day of prednisone (or equivalent) were permitted as concomitant therapies. The subjects had stable disease, that is, symptoms that were constant with no change in therapy for at least 30 days prior to randomization.
  • Twenty-six subjects with mild, stable SLE were enrolled in this Phase 1, single dose, double blind, randomized, placebo controlled, clinical trial. There were three subjects treated with active drug in each cohort (total of eighteen subjects) and eight subjects in the combined placebo group. The mean age was 43.3 years in the active group and 44.1 in the placebo group. The subjects were predominantly female (92%) and Caucasian (62%). The mean Systemic Lupus Erythematosus Disease Activity Index (SLEDAI; see Bombardier et al. (1992), Arthritis & Rheum. 35(6): 630-640, the relevant portions of which are incorporated herein by reference) score was low (2.3 and 3.8 for placebo and AMG 811 groups, respectively). Fifty percent of placebo subjects and 28% of the subjects receiving AMG 811 were on corticosteroids, receiving mean doses of 10 mg/day and 13.5 mg/day, respectively. Seventy five percent of placebo subjects and 100% of the subjects receiving AMG 811 were on anti-malarials, while a single subject in the AMG 811 group was on an immunosuppressant (methotrexate).
  • Each subject was treated with a single dose of AMG 811 (2 milligrams (mg) subcutaneous (SC), 6 mg SC, 20 mg SC, 60 mg SC, 180 mg SC, or 60 mg intravenous (IV)) or placebo (vehicle control) on day 1 of the study. The end of study (EOS) ranged from day 84 to day 196 depending on the dose level. Serum tube and PAXgene® blood RNA tube samples were collected from all cohorts at baseline, that is, on day 1 prior to dosing and at days 15, 56, and EOS after treatment. All samples were collected and included for analysis with the exception of one placebo EOS sample, one EOS sample from the 6 mg treated cohort, and two day 15 samples from the 20 mg cohort. One sample at the day 15 time point (60 mg IV) was subsequently determined to be from an unscheduled day 8 visit. As an actual day 15 sample was not available from this patient, and the expected drug exposure was not anticipated to be very different between day 8 and day 15, this sample was included with the day 15 results.
  • Total RNA was isolated from each sample and processed and analyzed by hybridization to a microarray as described in Example 1 above, except that the pre-filtering step to remove genes having low levels of expression was not performed.
  • These results are shown in the left panel of FIG. 3, which shows the fold difference in expression of individual genes at the RNA level in day 15 blood samples from patients treated with AMG 811 and baseline or placebo-treated subjects. As in FIG. 1, dots represent data from a particular gene sequence. The x-axis shows the fold difference in RNA expression in samples from patients treated with AMG 811 versus in samples from patients treated with placebo. Dots representing the same twenty genes that were circled in FIG. 1 are also circled here.
  • More detailed data on these twenty genes from this experiment, as well as from the ex vivo stimulation experiment described in Example 1 and the comparison of healthy vs. SLE subjects described in Example 2, is shown in Table 2 below.
  • TABLE 2
    Data from the top 20 IFN-γ regulated genes
    P-value for
    D 15 treatment
    Lupus v. treatment effect
    Sequence Listing Symbol, Product(NCBI Sequene Listing IFN-γ-Stim healthy effect (treated at
    Agilent ® Probe Number of the accession number of Number of Fold change Fold change Fold change day 15 vs.
    Designation probe sequence cDNA sequence) cDNA sequence (95% CI) (95% CI) (95% CI) baseline)
    A_23_P112026 SEQ ID NO: 350 INDO1, indoleamine 2,3- SEQ ID NO: 50 11.3  1.1 −1.4 0.076
    dioxygenase 1 (10.0, 12.8) (−1.2, 1.4) (−2.0, 1.0) 
    (NM_002164)
    A_23_P161428 SEQ ID NO: 72 ANKRD22, ankyrin repeat SEQ ID NO: 51 10.8  1.3 −2.2 <0.001
    domain 22 (NM_144590)  (8.8, 13.2) (−1.0, 1.7) (−3.0, −1.6)
    A_23_P18452 SEQ ID NO: 109 CXCL9, chemokine SEQ ID NO: 52 9.8 1.3 −1.3 <0.001
    (C-X-C motif) ligand 9  (8.4, 11.4)  (1.1, 1.5) (−1.6, −1.2)
    (NM_002416)
    A_24_P28722 SEQ ID NO: 351 RSAD2, radical S- SEQ ID NO: 53 7.7 5.2 −1.3 0.184
    adenosyl methionine  (5.9, 10.1)  (2.3, 11.5) (−1.8, 1.1) 
    domain containing 2
    (NM_080657)
    A_23_P7827 SEQ ID NO: 83 FAM26F, family with SEQ ID NO: 54 7.4 1.2 −1.6 <0.001
    sequence similarity 26, (6.9, 8.0) (−1.0, 1.5) (−1.9, −1.3)
    member F
    (NM_001010919)
    A_24_P165864 SEQ ID NO: 300 P2RY14, purinergic SEQ ID NO: 55 7.3 −1.1  −1.7 0.001
    receptor P2Y, G-protein  (5.0, 10.7) (−1.5, 1.2) (−2.4, −1.3)
    coupled, 14
    (NM_001081455)
    A_23_P74290 SEQ ID NO: 79 GBP5, guanylate binding SEQ ID NO: 56 7.0 1.3 −1.8 <0.001
    protein 5 (NM_052942) (5.0, 9.8)  (1.0, 1.7) (−2.3, −1.5)
    A_24_P561165 SEQ ID NO: 322 SERPING1, serpin SEQ ID NO: 57 6.4 2.5 −1.7 0.001
    peptidase inhibitor, clade (4.5, 8.9)  (1.7, 3.8) (−2.4, −1.3)
    G, member 1
    (NM_000062)
    A_23_P63390 SEQ ID NO: 73 FCGR1B or CD64Fc SEQ ID NO: 58 6.3 1.2 −2.1 <0.001
    fragment of IgG, high (4.8, 8.2) (−1.1, 1.6) (−2.6, −1.6)
    affinity Ib, receptor
    (NM_001017986))
    A_23_P150457 SEQ ID NO: 352 LYVE1, lymphatic vessel SEQ ID NO: 59 −6.0  −1.0  −1.1 0.367
    endothelial hyaluronan (−7.1, 5.1)  (−1.2, 1.1) (−1.2, 1.1) 
    receptor 1 (NM_006691)
    A_24_P245379 SEQ ID NO: 353 SERPINB2, serpin SEQ ID NO: 60 −5.9  1.0 −1.1 0.536
    peptidase inhibitor, clade (−7.6, 4.6)  (−1.2, 1.2) (−1.3, 1.1) 
    B (ovalbumin), member 2
    (NM_001143818)
    A_23_P203882 SEQ ID NO: 356 MMP19, matrix SEQ ID NO: 61 −5.8  1.2 −1.0 0.699
    metallopeptidase 19 (−7.6, −4.4)  (1.0, 1.4) (−1.2, 1.1) 
    (NM_002429)
    A_23_P62890 SEQ ID NO: 74 GBP1, guanylate binding SEQ ID NO: 62 5.6 1.6 −2.0 <0.001
    protein 1, interferon- (4.0, 7.7)  (1.1, 2.2) (−2.4, −1.6)
    inducible, 67 kDa
    (NM_002053)
    A_32_P107372 SEQ ID NO: 76 GBP1, guanylate binding SEQ ID NO: 62 5.6 1.6 −1.9 <0.001
    protein 1, interferon- (4.1, 7.6)  (1.2, 2.1) (−2.4.−1.5)
    inducible, 67 kDa
    (NM_002053)
    A_24_P303091 SEQ ID NO: 311 CXCL10, chemokine SEQ ID NO: 63 5.4 1.3 −1.6 0.008
    (C-X-C motif) ligand 10 (4.1, 7.1) (−1.0, 1.8) (−2.2, −1.1)
    (NM_001565)
    A_24_P316965 SEQ ID NO: 354 RSAD2, radical S- SEQ ID NO: 53 5.4 3.6 −1.2 0.235
    adenosyl methionine (4.6, 6.3)  (2.1, 6.2) (−1.7, 1.1) 
    domain containing 2
    (NM_080657)
    A_23_P42353 SEQ ID NO: 77 ETV7, ets variant 7 SEQ ID NO: 64 5.2 1.8 −1.8 <0.001
    (NM_016135) (3.6, 7.5)  (1.3, 2.6) (−2.4, −1.4)
    A_23_P256487 SEQ ID NO: 78 PD-L1, Programmed SEQ ID NO: 65 5.0 1.2 −1.8 <0.001
    Death Ligand-1 (3.9, 6.4)  (1.1, 1.4) (−2.3, −1.4)
    (AY254342)
    A_23_P121657 SEQ ID NO: 355 HS3ST1, heparan sulfate SEQ ID NO: 66 −4.9   1.0 −1.0 0.892
    (glucosamine) 3-O- (−5.4, 4.4)  (−1.3, 1.3) (−1.2, 1.1) 
    sulfotransferase 1
    (NM_005114)
    A_24_P12690 SEQ ID NO: 357 INDO2, indoleamine 2,3- SEQ ID NO: 67 4.8 1.0 −1.1 0.126
    dioxygenase 2 (3.7, 6.2) (−1.1, 1.2) (−1.3, 1.0) 
    (BC113498)
  • Many of the transcripts that were most impacted by treatment with IFN-γ ex vivo, which are circled in FIG. 1 and the left panel of FIG. 3, are downregulated by treatment with AMG 811 in vivo. These data provide strong evidence that AMG 811 can inhibit IFN-γ-regulated gene expression in vivo in SLE patients. These data are also reported in more detail Table 5 (described in more detail below) which names a broader set of genes whose expression is modulated by AMG 811 in vivo.
  • An example of the in vivo effect of AMG 811 on gene expression at the RNA level is provided by guanylate binding protein 1 (GBP1). Levels of GBP1 RNA observed in individual patients before dosing with AMG 811 on Day −1 and on Day 15 of the study (after dosing) are shown in the right panel of FIG. 3. The gene expression levels for the GBP1 transcript were standardized against levels seen in healthy volunteers (y-axis of the figure) and plotted against the serum levels of AMG 811 observed at days −1 and 15, which, of course, varied according to dosage. GBP1 RNA expression decreased at day 15 as compared to day −1 in each patient treated with AMG 811. In samples from patients treated with placebo, considerable change in GBP1 expression was also observed, but the direction of change was not consistent, and the expression was, on average, not different between study days (p=0.54, data not shown). Since GBP-1 is one of the genes whose expression is upregulated by IFN-γ stimulation of blood of healthy volunteers ex vivo, these results suggest that inhibition of IFN-γ is occurring in every patient treated with AMG 811 in this study.
  • To determine the effects of various doses of AMG 811 on CXCL10 protein expression, peripheral blood samples were taken and processed for serum, and CXCL10 protein concentrations were determined by ELISA assay. Differences between levels of protein expression at baseline and after a single dose of AMG 811 were estimated by a fixed-effects regression model containing factors for visit and dose, a random factor for subject, and an interaction term for visit and dose. FIG. 4 shows the fold change in CXCL10 protein levels at Days 15 and 56 and at the end of study (EOS) as compared to baseline CXCL10 protein levels, with error bars showing the 95% confidence intervals using small sample size correction. Kackar, R. N., and Harville, D. A. 1984. Approximations for Standard Errors of Estimators of Fixed and Random Effects in Mixed Linear-Models. Journal of the American Statistical Association 79:853-862. These data indicate that a single dose of AMG 811 greater than 20 mg, that is, 60 mg or 180 mg, decreased levels of serum CXCL10 protein in vivo in SLE patients.
  • Levels of AMG 811 in serum were determined using a validated sandwich immunoassay at Amgen Inc., Thousand Oaks, Calif. Study samples were added to a plate coated with a mouse anti-AMG 811 monoclonal antibody. After capture of AMG 811 with the immobilized antibody, unbound materials were removed by a wash step. Biotin conjugated rabbit anti-AMG 811 polyclonal antibody (Amgen Inc., CA) was added to detect the captured AMG 811. After another incubation step with streptavidin-HRP, a tetramethylbenzidine (TMB) peroxide substrate solution (KPL Inc., MD) was added to produce a colorimetric signal, which was proportional to the amount of AMG 811 bound by the capture reagent. The color development was stopped by addition of H2SO4, and the optical density (OD) signal was measured at 450 nm with reference to 650 nm. The absorbance versus concentration relationship was regressed according to a four-parameter logistic (auto-estimate) regression model with a weighting factor of 1/Y. The lower limit of quantification (LLOQ) was 15.2 ng/mL. Results from the single-dose escalation study are shown in FIG. 5. AMG 811 exhibited linear pharmacokinetics (PK, with a mean terminal half-life (t1/2,z) ranging from 12 to 21 days. Following a single 60 mg IV dose, the mean area under the curve (AUC) value was approximately 3-fold higher than for the 60 mg SC dose, indicating an approximate 30% bioavailability. Mean AMG 811 PK parameters are presented in Table 3.
  • TABLE 3
    Serum PK Parameters for AMG 811
    AMG 811 PK Parameters
    Route Dose (mg) tmax b (day) Cmax c (μg/mL) AUClast d (μg · day/mL) t1/2,z e (day)
    SC   2a 7.1 (7.1-13) 0.143 (0.161) 6.25 (NA) 21.0 (NA)
     6 14 (14-14) 0.323 (0.275) 11.6 (7.61) 17.0 (2.97)
    20 4.0 (4.0-7.0) 1.81 (0.541) 45.0 (9.72) 15.2 (3.01)
    60 4.0 (1.2-7.2) 4.93 (0.705) 117 (38.6) 12.3 (4.75)
    180  4.0 (4.0-14) 17.6 (9.14) 595 (121) 19.3 (0.667)
    IV 60 0.04 (0.02, 0.04) 25.6 (10.0) 369 (188) 18.6 (4.61)
    aOne subject in cohort 1 (receiving a dose of 2 mg) had only 2 measurable AMG 811 concentrations (data included where applicable)
    bTime to maximum observed concentration (tmax) are presented as median (range of values observed)
    cMean (standard deviation) maximum serum concentration achieved.
    dMean (standard deviation) area under the curve value to last measured time point.
    eMean (standard deviation) serum terminal half life.
  • Levels of total IFN-γ protein in patients dosed with AMG 811 were also determined. The total IFN-γ concentration in human serum was measured using a validated sandwich immunoassay at Amgen Inc., Thousand Oaks, Calif. Specifically, study samples were incubated with 25 μg/mL of AMG 811 at 37° C. to form IFN-γ-AMG 811 complexes prior to being added to a plate coated with a mouse anti-IFN-γ monoclonal antibody (Hycult Biotechnology, Uden, Netherlands). After capture of IFN-γ-AMG 811 complex with the immobilized anti-IFN-γ monoclonal antibody, unbound materials were removed by a wash step. Biotin conjugated rabbit anti-AMG 811 polyclonal antibody (Amgen Inc., CA) was added for detection of the captured IFNγ-AMG 811 complex. After another incubation step with streptavidin-HRP, a tetramethylbenzidine (TMB) peroxide substrate solution (KPL Inc., MD) was added to produce a colorimetric signal, which was proportional to the amount of IFNγ bound by the capture reagent. The color development was stopped by addition of H2SO4, and the optical density (OD) signal was measured at 450 nm with reference to 650 nm. The absorbance versus concentration relationship was regressed according to a four-parameter logistic (auto-estimate) regression model with a weighting factor of 1/Y. The LLOQ of the method was 50 pg/mL.
  • The total IFN-γ concentration represents both bound and free endogenous levels. Free IFN-γ levels were not assessed separately. An amount of AMG 811 sufficient to saturate all IFN-γ was added to the serum samples, and the resulting AMG 811:IFN-γ complexes were detected by means of the sandwich immunoassay, as described above. These results are shown in FIGS. 6A (median levels) and 6B (mean levels). Total IFN-γ median levels increased in a dose-dependent manner, then returned to baseline by approximately 6 to 7 months postdose. FIG. 6A. The plateau in Cmax values at doses of 60 and 180 mg SC and 60 mg IV may indirectly reflect the saturation of circulating, IFN-γ levels by AMG 811. These data suggest that 60 mg SC was the lowest dose tested that saturated the available IFN-γ in patients. At doses of 180 mg SC or 60 mg IV, the data suggest that this saturation of available IFN-γ was maintained for a longer period of time.
  • In addition, these data suggest that dosing frequency can be adjusted so as to maintain levels of total IFN-γ at or near the plateau concentrations observed at the higher doses. For example, at a dose of 60 mg SC, a level of total IFN-γ of almost 400 pg/ml is achieved at early timepoints, which starts to drop off at about three or four weeks post-dosing. Dosing repeated about every 3, 4, 5, or 6 weeks could be beneficial at a dose of 60 mg SC. Similarly, at doses of 60 mg IV or 180 SC, levels of total IFN-γ of around 400 pg/ml are achieved, but start to drop off at about 8, 9, 10, 11, or 12 weeks post dosing. Dosing repeated about every 4, 6, 8, 9, 10, 11, 12, 13, or 14 weeks could be beneficial at doses of 180 mg SC or 60 mg IV.
  • These data also have surprising implications about the production and turnover of IFN-γ. Generally, IFN-γ is undetectable or detectable at only low levels in peripheral blood. The comparatively high levels of total IFN-γ detected upon dosing with AMG 811 indicate that IFN-γ is likely produced at much higher levels than are generally appreciated and rapidly clearly from circulation. The relatively high levels of IFN-γ detected in the presence of AMG 811 may be due to protection of the IFN-γ from degradation and/or reduced clearance by binding to AMG 811. This assay allows for a better determination of the total production of IFN-γ in an individual and can be useful for determination of dose, dosing frequency, and stratification purposes.
  • Additionally, although mean total IFN-γ levels observed in the 60 mg IV dose group were significantly higher than in other groups (FIG. 6B), this may be attributed to one subject with very high baseline levels of total IFN-γ. Median profiles (FIG. 6A) indicate that the 60 mg IV dose group had similar to IFN-γ levels to those observed in the 180 mg SC dose group.
    • Example 4 Multi-Dose Clinical Trial in SLE Patients with and without Lupus Nephritis
  • In addition to the single dose clinical trial described in Example 3, a multi-dose trial was initiated to determine the safety and tolerability of multiple subcutaneous doses of AMG 811 in SLE patients with or without lupus nephritis. Part A of the study included three cohorts, 1, 2, and 3, each containing eight SLE patients without lupus nephritis. To be eligible for cohorts 1-3, a patient must have been diagnosed with SLE at least 6 months before the start of the study. Prednisone at a dose of 20 mg/day was permitted during the study, as were concurrently administered medications used for treating SLE including mycophenolate mofetil, azathioprine, leflunomide, methotrexate, and anti-malarials. Two of the eight patients in each of cohorts 1-3 received three doses of placebo administered every four weeks, and the other six received three doses AMG 811 (6, 20, or 60 mg for cohorts 1, 2, and 3, respectively) administered every four weeks, that is on days 1, 29, and 57. Part B of the study will include cohorts, 4, 5, and 6. Patients in cohorts 4-6 are required to have been diagnosed with SLE at least 6 months before the start of the study and with proliferative glomerulonephritis, as evidenced by a renal biopsy and urine protein/creatinine ratio of >1 or a 24 hour urine protein level of >1 g/day. These patients were also permitted to take prednisone at a dose of ≦20 mg/day and to take SLE medications including mycophenolate mofetil, azathioprine, leflunomide, methotrexate, and anti-malarials. Cohorts 4 and 5, for which dosing is now complete, contained eight and twelve SLE patients that had lupus nephritis, respectively. Cohort 6 is to contain eight lupus nephritis patients. Two of the patients in each of cohorts 4 and 6 and three of the twelve patients in cohort 5 will receive (and, in some cases, have received) three doses of placebo administered every four weeks, and the other patients will receive three doses AMG 811 (20, 60, or 120 mg for cohorts 4, 5, and 6, respectively) administered every four weeks, that is, on days 1, 29, and 57. Blood samples will be taken at baseline, i.e., one to three days before dosing, and on days, 1 (after dosing), 3, 8, 15, 29, 57, 85, 113, and 197 (which was the end of the study (EOS)) to determine levels of expression of various biomarker genes. Samples will be analyzed for RNA expression by DNA array as described above in Example 3 or for expression of selected proteins by ELISA assay. Blood samples taken at baseline and on days 1 (after dosing), 3, 5, 8, 15, 22, 29 (pre-dosing), 43, 57 (pre- and post-dosing), 59, 61, 64, 71, 78, 85, 113,141, 169, and 197 will be analyzed to assess a number of laboratory parameters. Twenty four hour urine samples were taken at baseline and on days 15, 29 (pre-dosing), 57 (pre-dosing), 85, 113, 141, 169, and 197 (EOS). Spot urine samples were taken at baseline and on days 3, 8, 15, 22, 29 (pre-dosing), 43, 57 (pre-dosing), 71, 85, 113, 141, 169, and 197 (EOS). Urine samples were analyzed for levels of urine protein using the a dye-binding assay (pyrocatechol violet-ammonium molybdate dye), which was analyzed in a “dry-slide” format using an automated laboratory analyzer such as the Ortho-Clinical VITROS® 5,1 FS Chemistry Analyzer from Ortho Clinical Diagnostics. Creatinine levels in urine samples were assessed by a multi-step coupled enzymatic two-point rate colorimetric assay (creatinine amidohydrolase/creatine amidinohydrolase/sarcosine oxidase/peroxidase) analyzed using a dry-slide format and automated laboratory analyzer. Such an assay is described in, e.g., Guder et al. (1986), J. Clin. Chem. Clin Biochem. 24(11): 889-902.
  • In Table 4 below are listed the ten genes whose expression, as detected at the RNA level, was most significantly correlated with the concentration of AMG 811 in serum as assessed in the single dose clinical trial described in Example 3. Data from the multiple dose clinical trial described in Example 4 showed that the average of the expression levels of these ten genes was responsive to the dosage level of AMG 811.
  • TABLE 4
    Ten genes whose expression is most affected by AMG 811 concentration in serum
    Sequence Listing Sequence Listing
    AGILENT ® Number of Agilent Probe NCBI Accession No. of Number of cDNA
    probe designation Sequence Gene symbol cDNA Sequence Sequence
    A_33_P3407880 SEQ ID NO: 349 ANKRD22 NM_144590 SEQ ID NO: 51
    A_23_P62890 SEQ ID NO: 74 GBP1 NM_002053 SEQ ID NO: 62
    A_23_P370682 SEQ ID NO: 80 BATF2 NM_138456 SEQ ID NO: 68
    A_23_P42353 SEQ ID NO: 77 ETV7 NM_016135 SEQ ID NO: 64
    A_23_P63390 SEQ ID NO: 73 FCGR1B NM_001017986 SEQ ID NO: 58
    A_23_P34915 SEQ ID NO: 81 ATF3 NM_001040619 SEQ ID NO: 69
    A_23_P139123 SEQ ID NO: 210 SERPING1 NM_000062 SEQ ID NO: 57
    A_23_P74290 SEQ ID NO: 79 GBP5 NM_052942 SEQ ID NO: 56
    A_24_P243749 SEQ ID NO: 82 PDK4 NM_002612 SEQ ID NO: 70
    A_23_P338479 SEQ ID NO: 75 CD274 NM_014143 SEQ ID NO: 71
  • Based on average RNA expression of the ten genes listed in Table 4, an “AMG 811 Score” could be assigned to each patient. FIG. 7 shows the average AMG 811 Score for the lupus nephritis patients receiving placebo or 20 or 60 mg of AMG 811. The average AMG 811 Score for patients receiving 20 mg or 60 mg was significantly less than the average score for patients receiving placebo. The amount of reduction in the AMG 811 Score was smaller than what was seen in the general SLE population (data not shown), suggesting that the 60 mg doses may not be high enough to achieve the maximal pharmacodynamic effect of AMG 811 in lupus nephritis patients.
  • Data from cohorts 1-3 was combined to create FIG. 8, which shows the fold change from baseline in the expression of CXCL10 at the protein level as measured by ELISA. FIG. 9 shows similar data from the lupus nephritis patients in cohorts 4 and 5, who received multiple doses of 20 mg and 60 mg, respectively. These data indicate that the 20 mg and 60 mg multiple dose regimes used were effective to reduce in vivo expression of CXCL10 among SLE patients, indicating that these dosage regimes are having a biological effect. These data indicate that the 60 mg multiple dose regime did reduce in vivo expression of CXCL10 in lupus nephritis patients at some early time points, although effects were not as clear as those observed in SLE patients without nephritis. Further, lupus nephritis patients dosed with 20 mg of AMG 811 did not exhibit a clear decrease in serum levels of CXCL10. This difference in apparent dosing requirements between SLE and lupus nephritis patients could reflect a generally more highly activated IFN-γ pathway in lupus nephritis patients as compared to SLE patients. More highly expressed IL-18, IP-10, and CCL2 proteins (FIG. 2) are consistent with this interpretation. Further, these data suggest that expression of biomarkers, for example, CXCL10, IL-18, CCL2, etc., could guide dose selection.
  • The data in FIG. 10 shows serum CXCL10 levels as fold change from baseline plotted against serum concentration of AMG 811 in combined patients with general SLE and with lupus nephritis. Higher levels of AMG 811 correlate with further reduction in CXCL10 levels. This suggests that AMG 811 is reducing CXCL10 levels in these patients.
  • Data from the single dose clinical trial described above was used to compile a list of genes whose expression is significantly (with a p value<0.001) modulated (either up- or down-regulated) in vivo in SLE patients dosed with AMG 811 as compared to SLE patients dosed with placebo. This list of genes is shown in Table 5 below.
  • TABLE 5
    Genes whose expression is modulated in vivo by AMG 811
    Sequence Listing NCBI Accession Direction of
    AGILENT ® Probe Number of Agilent Number of cDNA Modulation by
    Designation Probe Sequence Gene Symbol Sequence AMG 811
    A_23_P161428 SEQ ID NO: 72 ANKRD22 NM_144590 down
    A_23_P63390 SEQ ID NO: 73 FCGR1B NM_001017986 down
    A_23_P62890 SEQ ID NO: 74 GBP1 NM_002053 down
    A_23_P338479 SEQ ID NO: 75 CD274 NM_014143 down
    A_32_P107372 SEQ ID NO: 76 GBP1 NM_002053 down
    A_23_P42353 SEQ ID NO: 77 ETV7 NM_016135 down
    A_23_P256487 SEQ ID NO: 78 A_23_P256487 THC2651085 down
    A_23_P74290 SEQ ID NO: 79 GBP5 NM_052942 down
    A_23_P370682 SEQ ID NO: 80 BATF2 NM_138456 down
    A_23_P34915 SEQ ID NO: 81 ATF3 NM_001040619 down
    A_24_P243749 SEQ ID NO: 82 PDK4 NM_002612 down
    A_23_P7827 SEQ ID NO: 83 FAM26F NM_001010919 down
    A_23_P208119 SEQ ID NO: 84 PSTPIP2 NM_024430 down
    A_24_P100387 SEQ ID NO: 85 GK NM_203391 down
    A_24_P36898 SEQ ID NO: 86 A_24_P36898 AL832451 down
    A_32_P44394 SEQ ID NO: 87 AIM2 NM_004833 down
    A_24_P274270 SEQ ID NO: 88 STAT1 NM_139266 down
    A_23_P56630 SEQ ID NO: 89 STAT1 NM_007315 down
    A_23_P85693 SEQ ID NO: 90 GBP2 NM_004120 down
    A_24_P322353 SEQ ID NO: 91 PSTPIP2 NM_024430 down
    A_23_P63896 SEQ ID NO: 92 FAS NM_000043 down
    A_23_P51487 SEQ ID NO: 93 GBP3 NM_018284 down
    A_23_P96556 SEQ ID NO: 94 GK NM_203391 down
    A_23_P319792 SEQ ID NO: 95 XRN1 NM_019001 down
    A_32_P166272 SEQ ID NO: 96 STX11 NM_003764 down
    A_24_P196382 SEQ ID NO: 97 ATG3 BC002830 down
    A_24_P33895 SEQ ID NO: 98 ATF3 NM_001040619 down
    A_23_P347541 SEQ ID NO: 99 GRIN3A NM_133445 down
    A_23_P255444 SEQ ID NO: 100 DAPP1 NM_014395 down
    A_23_P69383 SEQ ID NO: 101 PARP9 NM_031458 down
    A_23_P154235 SEQ ID NO: 102 NMI NM_004688 down
    A_24_P7594 SEQ ID NO: 103 APOL6 NM_030641 down
    A_32_P11058 SEQ ID NO: 104 A_32_P11058 THC2646969 down
    A_23_P202978 SEQ ID NO: 105 CASP1 NM_033292 down
    A_24_P350686 SEQ ID NO: 106 TIFA NM_052864 down
    A_23_P123608 SEQ ID NO: 107 JAK2 NM_004972 down
    A_24_P45446 SEQ ID NO: 108 GBP4 NM_052941 down
    A_23_P18452 SEQ ID NO: 109 CXCL9 NM_002416 down
    A_23_P121253 SEQ ID NO: 110 TNFSF10 NM_003810 down
    A_24_P192805 SEQ ID NO: 111 CARD17 NM_001007232 down
    A_24_P687326 SEQ ID NO: 112 C9ORF109 NR_024366 down
    A_23_P59005 SEQ ID NO: 113 TAP1 NM_000593 down
    A_32_P159254 SEQ ID NO: 114 A_32_P159254 AK123584 down
    A_23_P132822 SEQ ID NO: 115 XRN1 NM_019001 down
    A_23_P64173 SEQ ID NO: 116 CARD16 NM_001017534 down
    A_23_P502797 SEQ ID NO: 117 WDFY1 NM_020830 down
    A_32_P131401 SEQ ID NO: 118 A_32_P131401 AI276257 down
    A_23_P111000 SEQ ID NO: 119 PSMB9 NM_002800 down
    A_32_P34552 SEQ ID NO: 120 POLB NM_002690 down
    A_23_P102060 SEQ ID NO: 121 SSFA2 NM_006751 down
    A_24_P71938 SEQ ID NO: 122 SMAD1 NM_005900 down
    A_32_P74366 SEQ ID NO: 123 VCPIP1 ENST00000310421 down
    A_23_P213247 SEQ ID NO: 124 FBXL5 NM_033535 down
    A_23_P202199 SEQ ID NO: 125 SLK NM_014720 down
    A_24_P370702 SEQ ID NO: 126 GBP3 NM_018284 down
    A_24_P937817 SEQ ID NO: 127 A_24_P937817 AK026195 down
    A_24_P53051 SEQ ID NO: 128 LACTB NM_171846 down
    A_23_P35912 SEQ ID NO: 129 CASP4 NM_033306 down
    A_23_P212706 SEQ ID NO: 130 ATG3 NM_022488 down
    A_23_P119992 SEQ ID NO: 131 VRK2 NM_006296 down
    A_24_P707156 SEQ ID NO: 132 A_24_P707156 BG623116 down
    A_24_P156490 SEQ ID NO: 133 KCNMA1 NM_002247 down
    A_23_P113263 SEQ ID NO: 134 A_23_P113263 A_23_P113263 down
    A_23_P35906 SEQ ID NO: 135 CASP4 NM_033306 down
    A_24_P393740 SEQ ID NO: 136 FYB NM_001465 down
    A_24_P239606 SEQ ID NO: 137 GADD45B NM_015675 down
    A_23_P256445 SEQ ID NO: 138 VCPIP1 NM_025054 down
    A_23_P251962 SEQ ID NO: 139 ZNF273 BC019234 down
    A_23_P83073 SEQ ID NO: 140 HIATL1 NM_032558 down
    A_32_P65804 SEQ ID NO: 141 A_32_P65804 THC2661836 down
    A_24_P54863 SEQ ID NO: 142 C4ORF32 NM_152400 down
    A_23_P356163 SEQ ID NO: 143 WDR49 NM_178824 down
    A_32_P35256 SEQ ID NO: 144 A_32_P35256 BF436068 down
    A_24_P211689 SEQ ID NO: 145 A_24_P211689 AK021629 down
    A_23_P417261 SEQ ID NO: 146 EFHB NM_144715 down
    A_23_P407090 SEQ ID NO: 147 NFXL1 NM_152995 down
    A_32_P164061 SEQ ID NO: 148 A_32_P164061 A_32_P164061 down
    A_23_P102582 SEQ ID NO: 149 C20ORF24 NM_018840 down
    A_24_P393353 SEQ ID NO: 150 XRN1 NM_001042604 down
    A_24_P50543 SEQ ID NO: 151 TRIM69 BC031266 down
    A_24_P920333 SEQ ID NO: 152 A_24_P920333 AA748674 down
    A_24_P101921 SEQ ID NO: 153 A_24_P101921 ENST00000391612 down
    A_23_P382148 SEQ ID NO: 154 RAB1A NM_004161 down
    A_24_P43391 SEQ ID NO: 155 TMEM165 NM_018475 down
    A_24_P167473 SEQ ID NO: 156 ARPC3 NM_005719 down
    A_23_P380901 SEQ ID NO: 157 PTH2R NM_005048 down
    A_23_P26583 SEQ ID NO: 158 NLRC5 NM_032206 down
    A_24_P263623 SEQ ID NO: 159 PTGES3 NM_006601 down
    A_23_P367610 SEQ ID NO: 160 SESTD1 NM_178123 down
    A_24_P372223 SEQ ID NO: 161 MSR1 NM_138715 down
    A_24_P367326 SEQ ID NO: 162 A_24_P367326 A_24_P367326 down
    A_23_P39840 SEQ ID NO: 163 VAMP5 NM_006634 down
    A_23_P402892 SEQ ID NO: 164 NLRC5 NM_032206 down
    A_23_P211080 SEQ ID NO: 165 IFNAR2 NM_207585 down
    A_23_P252106 SEQ ID NO: 166 RIPK2 NM_003821 down
    A_23_P12603 SEQ ID NO: 167 40607 NM_017824 down
    A_23_P259272 SEQ ID NO: 168 WSB2 NM_018639 down
    A_23_P209805 SEQ ID NO: 169 NAB1 NM_005966 down
    A_23_P79942 SEQ ID NO: 170 PANK2 NM_153638 down
    A_23_P383053 SEQ ID NO: 171 APPBP2 NM_006380 down
    A_23_P147238 SEQ ID NO: 172 WSB2 NM_018639 down
    A_23_P90589 SEQ ID NO: 173 MRPL44 NM_022915 down
    A_23_P250629 SEQ ID NO: 174 PSMB8 NM_004159 down
    A_23_P200560 SEQ ID NO: 175 CDC42 NM_001039802 down
    A_24_P390403 SEQ ID NO: 176 RTF1 NM_015138 down
    A_24_P269619 SEQ ID NO: 177 DECR1 NM_001359 down
    A_23_P71464 SEQ ID NO: 178 DECR1 NM_001359 down
    A_23_P164536 SEQ ID NO: 179 PIK3C3 NM_002647 down
    A_23_P11915 SEQ ID NO: 180 GDAP2 NM_017686 down
    A_23_P74928 SEQ ID NO: 181 MR1 NM_001531 down
    A_24_P206736 SEQ ID NO: 182 ZNF143 NM_003442 down
    A_23_P12920 SEQ ID NO: 183 RAD9A NM_004584 up
    A_23_P56188 SEQ ID NO: 184 UBA52 NM_001033930 up
    A_24_P914134 SEQ ID NO: 185 PRNP NM_001080122 up
    A_32_P108870 SEQ ID NO: 186 PMP2 NM_002677 up
    A_24_P921683 SEQ ID NO: 187 FOXP2 NM_014491 up
    A_23_P342612 SEQ ID NO: 188 HCN2 NM_001194 up
    A_24_P227326 SEQ ID NO: 189 RCOR2 NM_173587 up
    A_23_P111571 SEQ ID NO: 190 HOXA3 NM_153631 up
    A_23_P55716 SEQ ID NO: 191 BCAM NM_005581 up
    A_23_P397208 SEQ ID NO: 192 GSTM2 NM_000848 up
    A_23_P150162 SEQ ID NO: 193 DRD4 NM_000797 up
    A_32_P151317 SEQ ID NO: 194 A_32_P151317 BI818647 up
    A_24_P142305 SEQ ID NO: 195 HBA2 NM_000517 up
  • The amino acid and protein sequences included in the database entries having the accession numbers listed in Table 5 are incorporated herein by reference. In addition, the sequences of the AGILENT® probes are publicly available in GEO database of NCBI website as mentioned above.
  • These data indicate that administration of AMG 811 affects expression of many genes in viva Among these are a number of genes whose expression is also modulated by IFN-γ ex vivo as described in Example 1 and Table 1 above. A group of genes whose expression is modulated by IFN-γ ex vivo and by AMG 811 in vivo (in opposite directions), is listed in Table 6 below. The thresholds for being included in this list included (a) being included in Table 1 and (b) being significantly (p<0.05) modulated in vivo in patients receiving AMG 811 as compared to patients receiving placebo. This different cutoff value (as compared to p<0.001) for in vivo modulation by AMG 811 is appropriate and was used in view of the fact that this list was selected only from among the genes included in Table 1, rather than from the tens of thousands of genes represented in the array.
  • TABLE 6
    Genes modulated by IFN-γ ex vivo and by AMG 811 in vivo
    Sequence Listing Direction of
    Number of Probe Accession No. of modulation
    Probe Identifier Sequence Symbol Sequence of cDNA by AMG 811
    A_23_P103496 SEQ ID NO: 196 GBP4 NM_052941 down
    A_23_P105794 SEQ ID NO: 197 EPSTI1 NM_033255 down
    A_23_P111000 SEQ ID NO: 198 PSMB9 NM_002800 down
    A_23_P112251 SEQ ID NO: 199 GNG10 NM_001017998 down
    A_23_P112260 SEQ ID NO: 200 GNG10 NM_001017998 down
    A_23_P121253 SEQ ID NO: 110 TNFSF10 NM_003810 down
    A_23_P121716 SEQ ID NO: 201 ANXA3 NM_005139 down
    A_23_P123608 SEQ ID NO: 107 JAK2 NM_004972 down
    A_23_P125278 SEQ ID NO: 202 CXCL11 NM_005409 down
    A_23_P128447 SEQ ID NO: 203 LRRK2 NM_198578 down
    A_23_P129492 SEQ ID NO: 204 SEPX1 NM_016332 down
    A_23_P132388 SEQ ID NO: 205 SCO2 NM_005138 down
    A_23_P132822 SEQ ID NO: 115 XRN1 NM_019001 down
    A_23_P133133 SEQ ID NO: 206 ALPK1 NM_025144 down
    A_23_P133142 SEQ ID NO: 207 ALPK1 NM_025144 down
    A_23_P133916 SEQ ID NO: 208 C2 NM_000063 down
    A_23_P138680 SEQ ID NO: 209 IL15RA NM_172200 down
    A_23_P139123 SEQ ID NO: 210 SERPING1 NM_000062 down
    A_23_P140807 SEQ ID NO: 211 PSMB10 NM_002801 down
    A_23_P14105 SEQ ID NO: 212 RCBTB2 NM_001268 down
    A_23_P14174 SEQ ID NO: 213 TNFSF13B NM_006573 down
    A_23_P142424 SEQ ID NO: 214 TMEM149 NM_024660 down
    A_23_P145874 SEQ ID NO: 215 SAMD9L NM_152703 down
    A_23_P149476 SEQ ID NO: 216 EFCAB2 NM_032328 down
    A_23_P153320 SEQ ID NO: 217 ICAM1 NM_000201 down
    A_23_P15414 SEQ ID NO: 218 SCARF1 NM_145351 down
    A_23_P154235 SEQ ID NO: 102 NMI NM_004688 down
    A_23_P155049 SEQ ID NO: 219 APOL6 NM_030641 down
    A_23_P155052 SEQ ID NO: 220 APOL6 NM_030641 down
    A_23_P156687 SEQ ID NO: 221 CFB NM_001710 down
    A_23_P156788 SEQ ID NO: 222 STX11 NM_003764 down
    A_23_P160025 SEQ ID NO: 223 IFI16 NM_005531 down
    A_23_P160720 SEQ ID NO: 224 BATF3 NM_018664 down
    A_23_P161428 SEQ ID NO: 72 ANKRD22 NM_144590 down
    A_23_P163079 SEQ ID NO: 225 GCH1 NM_000161 down
    A_23_P165624 SEQ ID NO: 226 TNFAIP6 NM_007115 down
    A_23_P166408 SEQ ID NO: 227 OSM NM_020530 down
    A_23_P166797 SEQ ID NO: 228 RTP4 NM_022147 down
    A_23_P168828 SEQ ID NO: 229 KLF10 NM_005655 down
    A_23_P17655 SEQ ID NO: 230 KCNJ15 NM_170736 down
    A_23_P17837 SEQ ID NO: 231 APOL1 NM_145343 down
    A_23_P18452 SEQ ID NO: 109 CXCL9 NM_002416 down
    A_23_P18604 SEQ ID NO: 232 LAP3 NM_015907 down
    A_23_P202978 SEQ ID NO: 105 CASP1 NM_033292 down
    A_23_P203498 SEQ ID NO: 233 TRIM22 NM_006074 down
    A_23_P205200 SEQ ID NO: 234 DHRS12 NM_024705 down
    A_23_P208119 SEQ ID NO: 84 PSTPIP2 NM_024430 down
    A_23_P20814 SEQ ID NO: 235 DDX58 NM_014314 down
    A_23_P209625 SEQ ID NO: 236 CYP1B1 NM_000104 down
    A_23_P209678 SEQ ID NO: 237 PLEK NM_002664 down
    A_23_P210763 SEQ ID NO: 238 JAG1 NM_000214 down
    A_23_P211401 SEQ ID NO: 239 KREMEN1 NM_001039570 down
    A_23_P211445 SEQ ID NO: 240 LIMK2 NM_016733 down
    A_23_P211488 SEQ ID NO: 241 APOL2 NM_145637 down
    A_23_P215154 SEQ ID NO: 242 NUB1 NM_016118 down
    A_23_P218928 SEQ ID NO: 243 C4ORF18 NM_016613 down
    A_23_P24004 SEQ ID NO: 244 IFIT2 NM_001547 down
    A_23_P251480 SEQ ID NO: 245 NBN NM_002485 down
    A_23_P252106 SEQ ID NO: 166 RIPK2 NM_003821 down
    A_23_P255444 SEQ ID NO: 100 DAPP1 NM_014395 down
    A_23_P256445 SEQ ID NO: 138 VCPIP1 NM_025054 down
    A_23_P256487 SEQ ID NO: 78 A_23_P256487 THC2651085 down
    A_23_P257087 SEQ ID NO: 246 PDK4 NM_002612 down
    A_23_P258493 SEQ ID NO: 247 LMNB1 NM_005573 down
    A_23_P26583 SEQ ID NO: 158 NLRC5 NM_032206 down
    A_23_P29953 SEQ ID NO: 248 IL15 NM_172174 down
    A_23_P30069 SEQ ID NO: 249 DDX60L NM_001012967 down
    A_23_P3221 SEQ ID NO: 250 SQRDL NM_021199 down
    A_23_P329261 SEQ ID NO: 251 KCNJ2 NM_000891 down
    A_23_P329870 SEQ ID NO: 252 RHBDF2 NM_024599 down
    A_23_P335661 SEQ ID NO: 253 SAMD4A AB028976 down
    A_23_P338479 SEQ ID NO: 75 CD274 NM_014143 down
    A_23_P343837 SEQ ID NO: 254 PARP11 NM_020367 down
    A_23_P347040 SEQ ID NO: 255 DTX3L NM_138287 down
    A_23_P347541 SEQ ID NO: 99 GRIN3A NM_133445 down
    A_23_P35412 SEQ ID NO: 256 IFIT3 NM_001549 down
    A_23_P354387 SEQ ID NO: 257 MYOF NM_013451 down
    A_23_P358904 SEQ ID NO: 258 IKZF4 NM_022465 up
    A_23_P35906 SEQ ID NO: 135 CASP4 NM_033306 down
    A_23_P35912 SEQ ID NO: 129 CASP4 NM_033306 down
    A_23_P370682 SEQ ID NO: 80 BATF2 NM_138456 down
    A_23_P380857 SEQ ID NO: 259 APOL4 NM_030643 down
    A_23_P39840 SEQ ID NO: 163 VAMP5 NM_006634 down
    A_23_P401106 SEQ ID NO: 260 PDE2A NM_002599 up
    A_23_P402892 SEQ ID NO: 164 NLRC5 NM_032206 down
    A_23_P41765 SEQ ID NO: 261 IRF1 NM_002198 down
    A_23_P420942 SEQ ID NO: 262 MT1E AF495759 up
    A_23_P421423 SEQ ID NO: 263 TNFAIP2 NM_006291 down
    A_23_P42282 SEQ ID NO: 264 C4B NM_001002029 up
    A_23_P42302 SEQ ID NO: 265 HLA-DQA2 NM_020056 up
    A_23_P42353 SEQ ID NO: 77 ETV7 NM_016135 down
    A_23_P42969 SEQ ID NO: 266 FGL2 NM_006682 down
    A_23_P47304 SEQ ID NO: 267 CASP5 NM_004347 down
    A_23_P4821 SEQ ID NO: 268 JUNB NM_002229 down
    A_23_P48513 SEQ ID NO: 269 IFI27 NM_005532 up
    A_23_P51487 SEQ ID NO: 93 GBP3 NM_018284 down
    A_23_P53891 SEQ ID NO: 270 KLF5 NM_001730 down
    A_23_P56630 SEQ ID NO: 89 STAT1 NM_007315 down
    A_23_P56746 SEQ ID NO: 271 FAP NM_004460 down
    A_23_P571 SEQ ID NO: 272 SLC2A1 NM_006516 up
    A_23_P57983 SEQ ID NO: 273 PARP14 AB033094 down
    A_23_P58390 SEQ ID NO: 274 C4ORF32 NM_152400 down
    A_23_P59005 SEQ ID NO: 113 TAP1 NM_000593 down
    A_23_P62890 SEQ ID NO: 74 GBP1 NM_002053 down
    A_23_P63390 SEQ ID NO: 73 FCGR1B NM_001017986 down
    A_23_P63896 SEQ ID NO: 92 FAS NM_000043 down
    A_23_P64343 SEQ ID NO: 275 TIMM10 NM_012456 down
    A_23_P64721 SEQ ID NO: 276 GPR109B NM_006018 down
    A_23_P65427 SEQ ID NO: 277 PSME2 NM_002818 down
    A_23_P65651 SEQ ID NO: 278 WARS NM_004184 down
    A_23_P68155 SEQ ID NO: 279 IFIH1 NM_022168 down
    A_23_P68851 SEQ ID NO: 280 KREMEN1 NM_001039570 down
    A_23_P69109 SEQ ID NO: 281 PLSCR1 NM_021105 down
    A_23_P69310 SEQ ID NO: 282 CCRL2 NM_003965 down
    A_23_P69383 SEQ ID NO: 101 PARP9 NM_031458 down
    A_23_P72737 SEQ ID NO: 283 IFITM1 NM_003641 down
    A_23_P74001 SEQ ID NO: 284 S100A12 NM_005621 down
    A_23_P74290 SEQ ID NO: 79 GBP5 NM_052942 down
    A_23_P75430 SEQ ID NO: 285 C11ORF75 NM_020179 down
    A_23_P75741 SEQ ID NO: 286 UBE2L6 NM_198183 down
    A_23_P7827 SEQ ID NO: 83 FAM26F NM_001010919 down
    A_23_P79518 SEQ ID NO: 287 IL1B NM_000576 down
    A_23_P81898 SEQ ID NO: 288 UBD NM_006398 down
    A_23_P83098 SEQ ID NO: 289 ALDH1A1 NM_000689 down
    A_23_P8513 SEQ ID NO: 290 SNX10 NM_013322 down
    A_23_P85693 SEQ ID NO: 90 GBP2 NM_004120 down
    A_23_P85783 SEQ ID NO: 291 PHGDH NM_006623 up
    A_23_P86390 SEQ ID NO: 292 NRP1 NM_003873 up
    A_23_P87709 SEQ ID NO: 293 FLJ22662 NM_024829 down
    A_23_P9232 SEQ ID NO: 294 GCNT1 NM_001490 down
    A_23_P94412 SEQ ID NO: 295 PDCD1LG2 NM_025239 down
    A_23_P96556 SEQ ID NO: 94 GK NM_203391 down
    A_23_P97064 SEQ ID NO: 296 FBXO6 NM_018438 down
    A_24_P100387 SEQ ID NO: 85 GK NM_203391 down
    A_24_P124032 SEQ ID NO: 297 RIPK2 NM_003821 down
    A_24_P156490 SEQ ID NO: 133 KCNMA1 NM_002247 down
    A_24_P15702 SEQ ID NO: 298 LOC389386 XR_017251 down
    A_24_P161018 SEQ ID NO: 299 PARP14 NM_017554 down
    A_24_P165864 SEQ ID NO: 300 P2RY14 NM_014879 down
    A_24_P167642 SEQ ID NO: 301 GCH1 NM_000161 down
    A_24_P172481 SEQ ID NO: 302 TRIM22 NM_006074 down
    A_24_P184445 SEQ ID NO: 303 MMP19 NM_002429 up
    A_24_P212481 SEQ ID NO: 304 MCTP1 NM_024717 down
    A_24_P222655 SEQ ID NO: 305 C1QA NM_015991 down
    A_24_P243749 SEQ ID NO: 82 PDK4 NM_002612 down
    A_24_P245815 SEQ ID NO: 306 ASPHD2 NM_020437 down
    A_24_P250922 SEQ ID NO: 307 PTGS2 NM_000963 down
    A_24_P251764 SEQ ID NO: 308 CXCL3 NM_002090 up
    A_24_P270460 SEQ ID NO: 309 IF127 NM_005532 up
    A_24_P274270 SEQ ID NO: 88 STAT1 NM_139266 down
    A_24_P278126 SEQ ID NO: 310 NBN NM_002485 down
    A_24_P303091 SEQ ID NO: 311 CXCL10 NM_001565 down
    A_24_P304154 SEQ ID NO: 312 AMPD3 NM_001025390 down
    A_24_P322353 SEQ ID NO: 91 PSTPIP2 NM_024430 down
    A_24_P323148 SEQ ID NO: 313 LYPD5 NM_182573 down
    A_24_P334361 SEQ ID NO: 314 DDX60 NM_017631 down
    A_24_P350686 SEQ ID NO: 106 TIFA NM_052864 down
    A_24_P36898 SEQ ID NO: 86 A_24_P36898 AL832451 down
    A_24_P370702 SEQ ID NO: 126 GBP3 NM_018284 down
    A_24_P372625 SEQ ID NO: 315 RNF141 NM_016422 down
    A_24_P382319 SEQ ID NO: 316 CEACAM1 NM_001712 down
    A_24_P383523 SEQ ID NO: 317 SAMD4A NM_015589 down
    A_24_P393353 SEQ ID NO: 318 XRN1 NM_001042604 down
    A_24_P45446 SEQ ID NO: 108 GBP4 NM_052941 down
    A_24_P47329 SEQ ID NO: 319 A_24_P47329 BC063641 down
    A_24_P48204 SEQ ID NO: 320 SECTM1 NM_003004 down
    A_24_P48898 SEQ ID NO: 321 APOL2 NM_145637 down
    A_24_P53051 SEQ ID NO: 128 LACTB NM_171846 down
    A_24_P54863 SEQ ID NO: 142 C4ORF32 NM_152400 down
    A_24_P561165 SEQ ID NO: 322 A_24_P561165 A_24_P561165 down
    A_24_P659202 SEQ ID NO: 323 A_24_P659202 THC2527772 up
    A_24_P66027 SEQ ID NO: 324 APOBEC3B NM_004900 down
    A_24_P7594 SEQ ID NO: 103 APOL6 NM_030641 down
    A_24_P87931 SEQ ID NO: 325 APOL1 NM_145343 down
    A_24_P912985 SEQ ID NO: 326 A_24_P912985 A_24_P912985 down
    A_24_P928052 SEQ ID NO: 327 NRP1 NM_003873 down
    A_24_P935819 SEQ ID NO: 328 SOD2 BC016934 down
    A_24_P935986 SEQ ID NO: 329 BCAT1 NM_005504 down
    A_24_P941167 SEQ ID NO: 330 APOL6 NM_030641 down
    A_24_P941912 SEQ ID NO: 331 DTX3L NM_138287 down
    A_24_P943205 SEQ ID NO: 332 EPSTI1 AL831953 down
    A_24_P97342 SEQ ID NO: 333 PROK2 NM_021935 down
    A_24_P98109 SEQ ID NO: 334 SNX10 NM_013322 down
    A_24_P98210 SEQ ID NO: 335 TFEC NM_012252 down
    A_32_P107372 SEQ ID NO: 76 GBP1 NM_002053 down
    A_32_P15169 SEQ ID NO: 336 A_32_P15169 A_32_P15169 down
    A_32_P156746 SEQ ID NO: 337 A_32_P156746 BE825944 down
    A_32_P162183 SEQ ID NO: 338 C2 NM_000063 down
    A_32_P166272 SEQ ID NO: 96 STX11 NM_003764 down
    A_32_P184394 SEQ ID NO: 339 TFEC NM_012252 down
    A_32_P191417 SEQ ID NO: 340 A_32_P191417 AW276186 down
    A_32_P222250 SEQ ID NO: 341 A_32_P222250 AF119908 down
    A_32_P30004 SEQ ID NO: 342 A_32_P30004 AF086044 down
    A_32_P399546 SEQ ID NO: 343 ARNTL2 AF256215 down
    A_32_P44394 SEQ ID NO: 87 AIM2 NM_004833 down
    A_32_P56759 SEQ ID NO: 344 PARP14 NM_017554 down
    A_32_P91773 SEQ ID NO: 345 A_32_P91773 THC2544236 down
    A_32_P92415 SEQ ID NO: 346 A_32_P92415 AA455656 down
    A_32_P95082 SEQ ID NO: 347 CNTLN NM_017738 down
    A_32_P9543 SEQ ID NO: 348 APOBEC3A NM_145699 down
  • Assaying for levels of expression of one or more of the genes in Tables 1, 2, 4, 5, and/or 6 in a biological sample from a diseased patient, optionally an SLE patient, before treatment with an IFN-γ inhibitor, such as AMG 811, and comparison to levels of expression in a control biological sample can indicate which patients might benefit from treatment with an IFN-γ inhibitor. Patients expressing elevated levels of an RNA or protein that is downregulated in vivo by AMG 811 or decreased levels of an RNA or protein that is upregulated by AMG 811 in vivo might benefit from treatment with an IFN-γ inhibitor. Similarly, patients expressing elevated or lowered levels of an RNA or protein that is up- or down-regulated by IFN-γ could also benefit from treatment with an IFN-γ inhibitor. Further, comparison of expression levels of one or more of the genes listed in Tables 1, 2, 4, 5, and/or 6 before and after treatment with an IFN-γ inhibitor can indicate whether the IFN-γ inhibitor is having a biological effect in a particular patient in vivo. If so, continuing treatment can be advantageous for that patient. If not, treatment can be discontinued, or the IFN-γ inhibitor can be administered at a higher dose or at a greater frequency.
  • In FIG. 11, levels of GBP1 transcript versus AMG 811 concentration in serum on days 1 and 15 of the study in lupus nephritis patients are plotted. Comparing FIG. 11 to the right panel of FIG. 3, which contains similar data from SLE patients, a number of conclusions can be made. First, lupus nephritis patients as a group have higher levels of GBP1 expression at baseline than SLE patients as a group. Further, whereas all SLE patients exhibited a decrease in GBP1 expression upon administration of AMG 811, this was not true for lupus nephritis patients. Also, the magnitude of the decreases observed among general SLE patients was apparently greater than the decreases observed among lupus nephritis patients. Hence, these data indicate that SLE and lupus nephritis patients, as groups, have different responses to AMG 811. These differences may be related to differences in the nature and severity of disease activity in these two groups and may indicate that dosing requirements can differ between these two categories of patients. These data also suggest that expression of biomarkers such as GBP1 could inform dose selection. For example, patients having, for example, higher GBP1 expression could require higher doses of AMG 811, whereas patients with lower GBP1 expression could require lower doses of AMG 811.
  • Clinical parameters related to kidney function were assessed for patients in cohorts 4 and 5 in this trial. Spot urine protein, spot urine creatinine, 24 hour urine protein, 24 hour urine creatinine, serum creatinine, serum albumin, antibodies against double stranded DNA, and complement factors C3 and C4 were assessed.
  • Urine protein amounts were determined by a dye-binding assay (pyrocatechol violet-ammounium molybdate dye) analyzed in a “dry slide” format using an automated laboratory analyzer. Samples used were either a collection of all the patient's urine over a 24 hour period (24 hour urine protein) or a single urine sample (spot urine protein). Urine creatinine was assessed by a multi-step coupled enzymatic two-point rate colorimetric assay (creatininie amidohydrolase/creatine amidinohydrolase/sarcosine oxidase/peroxidase) analyzed using a “dry slide” format in an automated laboratory analyzer.
  • Cohorts 4 and 5 comprised lupus nephritis patients receiving doses of 20 mg or 60 mg AMG 811, respectively, or placebo. Although some results from these cohorts are now available, the results are still blinded. Since only two of eight (cohort 4) and three of twelve (cohort 5) patients received placebo, differences in clinical parameters between cohorts 4 and 5 might indicate dose-dependent responses to AMG 811. Among the various measurements made, the following tests indicated no clear difference between cohorts 4 and 5: spot urine creatinine, 24 hour urine creatinine, serum creatinine, serum albumin, complement factors C3 and C4, and anti-double stranded DNA antibodies. On the other hand, urine protein in a 24 hour urine collection and the ratio of urine protein to urine creatinine (UPCR) clearly differed between cohorts 4 and 5, as shown in FIGS. 12 and 13. High amounts of urine protein and/or high UPCR indicate impairment of kidney function. Since all but two of the patients in cohort 4 and two or three in cohort 5 received AMG 811, these data suggest that AMG 811 may have a dose-dependent effect on kidney function in lupus nephritis patients. More specifically, these results suggest that a dose of more than 20 mg of AMG 811 is necessary to have a positive effect on kidney function in lupus nephritis patients.
    • Example 5 Single Dose Trial in Discoid Lupus
  • A phase 1b single dose crossover study in discoid lupus has been enrolled. Sixteen subjects (of twenty planned subjects) with discoid lupus were dosed with a single dose of 180 milligrams of AMG 811 and a single dose of placebo, each administered subcutaneously, in one of two sequences. Per study protocol, twelve patients were to receive 180 mg SC of AMG 811 on day 1 and a dose of placebo on day 85, and eight patients were to receive a dose of placebo on day 1 and 180 mg SC of AMG 811 on day 85. However, enrollment of the study was stopped after sixteen patients had been enrolled. As primary endpoints of the study, treatment-emergent adverse events, vital signs, clinical laboratory tests, ECGs, and the incidence of binding and neutralizing antibodies to AMG 811 were monitored. Physical examinations were also to be performed.
  • In secondary endpoints of the study, the pharmacokinetic profile of AMG 811 is determined, and CLASI scores are determined. Expression of biomarkers in peripheral blood at the RNA level are assessed by hybridization to a DNA array as described above in samples taken at baseline (in the time period from three days prior to dosing to one day prior to dosing) and on days 15, 29, 57, 85, 99, 113, 141, 169, and 197 (which is the end of study). Analysis of selected biomarkers at the protein level by ELISA may also be performed. In addition, skin samples were taken at baseline and on days 15 and 57 for analysis of biomarker expression at the RNA level by hybridization to a DNA array. Selected biomarkers may also be assayed at the protein level in the skin samples using immunohistochemistry, immunofluorescence, or ELISA. Information available to date indicates that clinical parameters, such as improvements in the CLASI score, did not correlate clearly with dosing of AMG 811. The results of this trial are still blinded.
    • Example 6 Single Dose Trial in Psoriasis
  • A phase 1b single dose, double-blind, placebo-controlled study in psoriasis is in progress. Nine subjects with moderate to severe plaque psoriasis (having a PASI score 10 and an affected body surface area 10) were enrolled in the study. The study is still blinded. Proceeding with a study plan that originally included ten, not nine, patients, seven or eight patients will receive drug, and one or two patients will receive placebo. Those that receive drug will receive (or have received) a single dose of 180 milligrams of AMG 811 on study day 1. As primary endpoints of the study, treatment-emergent adverse events, vital signs, clinical laboratory tests, ECGs, and the incidence of binding and neutralizing antibodies to AMG 811 were monitored. Physical examinations were also performed.
  • As secondary endpoints, clinicians assessed PASI scores, PGA scores, and target lesions. Photos were taken to document skin lesions. The pharmacokinetic profile of AMG 811 will also be determined. All of these primary and secondary endpoints were assessed at baseline (from three days to one day before dosing) and on days 15, 29, 43, 57, 85, and 113 (which is the end of study). Skin biopsies were taken at baseline and at baseline and on days 15 and 57 for analysis of biomarker expression at the RNA level as described above. In addition selected biomarkers may be assessed for expression at the protein level by ELISA for serum samples or by immunohistochemistry or immunofluorescence for skin biopsies.
  • In FIG. 14, blinded data showing PASI scores for the nine patients in this trial are displayed. Given the design of the trial, one or two of these patients received placebo, and seven or eight received AMG 811. All but one of these eight patients experienced a decrease, i.e., an improvement, in PASI score at some or all post-dose time points, a result indicating that most patients receiving AMG 811 experienced at least a temporary clinical benefit. However, since the data is blinded and one or two of these patients received placebo, the effects of AMG 811 on PASI scores will be more clear when the data is unblinded.

Claims (52)

What is claimed is:
1. A method for treating a patient suffering from an IFN-γ-mediated disease comprising administering to the patient a monoclonal anti-human interferon gamma (anti-huIFN-γ) antibody at a dose of from about 15 milligrams to about 200 milligrams,
wherein the anti-huIFN-γ antibody has a heavy chain complementarity determining region 1 (CDR1) comprising the amino acid sequence of SEQ ID NO:34, a heavy chain complementarity determining region 2 (CDR2) comprising the amino acid sequence of SEQ ID NO:35, a heavy chain complementarity determining region 3 (CDR3) comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44.
2. The method of claim 1, wherein the heavy chain CDR3 comprises the amino acid sequence of SEQ ID NO:36, the light chain CDR1 comprises the amino acid sequence of SEQ ID NO:38, the light chain CDR2 comprises the amino acid sequence of SEQ ID NO:41, and the light chain CDR3 comprises the amino acid sequence of SEQ ID NO:43.
3. The method of claim 1, wherein the heavy chain variable region of the antibody comprises the amino acid sequence of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30.
4. The method of claim 3, wherein the light chain variable region of the antibody comprises the amino acid sequence of SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31.
5. The method of claim 4, wherein the heavy chain variable region and the light chain variable region comprise, respectively, SEQ ID NO:6 and SEQ ID NO:8, SEQ ID NO:10 and SEQ ID NO:12, SEQ ID NO:14 and SEQ ID NO:16, SEQ ID NO:30 and SEQ ID NO:12, or SEQ ID NO:14 and SEQ ID NO:31.
6. The method of claim 1, wherein the dose is from about 40 milligrams to about 200 milligrams.
7. The method of claim 6, wherein the dose is from about 60 milligrams to about 150 milligrams.
8. The method of claim 6, wherein the dose is from about 100 milligrams to about 180 milligrams.
9. The method of claim 1, wherein a glucocorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial is concurrently administered to the patient.
10. The method of claim 1, wherein expression at the RNA or protein level of one or more gene(s) listed in Table 1, 2, 4, 5, and/or 6 in a biological sample from the patient taken before the antibody is administered deviates from expression of that gene(s) in a control biological sample in a direction consistent with excess IFN-γ.15.
11. The method of claim 10, wherein the expression of at least five genes listed in Table 5 and/or 6 in the biological sample from the patient deviates from the expression of those genes in the control biological sample in a direction consistent with excess IFN-γ.
12. The method of claim 10, wherein the biological sample from the patient exhibits elevated expression at the RNA or protein level as compared to expression in the control biological sample of one or more of the following genes: indoleamine 2,3-dioxygenase 1 (INDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274.
13. The method of claim 12, wherein the biological sample from the patient exhibits elevated expression at the RNA or protein level of GBP1 as compared to expression in the control biological sample.
14. The method of claim 1, wherein the IFN-γ-mediated disease is selected from the group consisting of systemic lupus erythematosus (SLE), including discoid lupus and lupus nephritis, inflammatory bowel disease, Crohn's disease, ulcerative colitis, and psoriasis.
15. The method of claim 14, wherein the IFN-γ-mediated disease is SLE.
16. The method of claim 15, wherein the IFN-γ-mediated disease is lupus nephritis.
17. The method of claim 1, wherein the antibody is a human IgG1 antibody.
18. A method for treating a patient having an IFN-γ-mediated disease comprising administering to the patient a therapeutically effective dose an anti-huIFN-γ antibody, wherein the anti-huIFN-γ antibody has a heavy chain CDR1 comprising the amino acid sequence of SEQ ID NO:34, a heavy chain CDR2 comprising the amino acid sequence of SEQ ID NO:35, a heavy chain CDR3 comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44, and
wherein the level(s) of expression in a biological sample taken from the patient before administration of the antibody of one or more genes listed in Table 1, 2, 4, 5, and/or 6 at the RNA or protein level deviate from the level(s) of expression of the gene(s) in a control biological sample in a direction consistent with excess IFN-γ.
19. The method of claim 18, wherein the levels expression in the biological sample of at least 5 genes from Table 5 and/or 6 deviate from the levels of expression of the genes in the control biological sample in a direction consistent with excess IFN-γ.
20. The method of claim 18, wherein the antibody comprises the amino acid sequences of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31.
21. The method of claim 18, wherein the dose administered is from 40 mg to 300 mg.
22. The method of claim 21, wherein the dose administered is from 60 mg to 200 mg.
23. The method of claim 18, wherein the IFN-γ-mediated disease is SLE, an inflammatory bowel disease, or psoriasis patient.
24. The method of claim 23, wherein the IFN-γ-mediated disease is SLE.
25. The method of claim 24, wherein IFN-γ-mediated disease is lupus nephritis.
26. The method of claim 18, wherein a glucocorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial is concurrently administered to the patient.
27. A method for treating an IFN-γ mediated disease comprising administering to a patient in need thereof a dose of a human IgG anti-huIFN-γ antibody such that the concentration of total IFN-γ protein in the patient's serum is maintained at a plateau concentration for at least about two weeks following administration, wherein the antibody comprises the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8.
28. The method of claim 27, wherein the plateau concentration of total IFN-γ protein in serum is maintained for at least about three weeks after administration.
29. The method of claim 28, wherein the plateau concentration of total IFN-γ protein in serum is maintained for at least about six weeks after administration.
30. The method of claim 27, wherein the plateau concentration of total IFN-γ protein in serum is from about 100 pg/mL to about 2000 pg/mL.
31. The method of claim 30, wherein the plateau concentration of total IFN-γ protein in serum is at least about 200 pg/mL.
32. The method of claim 27, wherein the antibody is a human IgG1 antibody.
33. The method of claim 27, wherein the IFN-γ-mediated disease is psoriasis or SLE including lupus nephritis.
34. A method of treating a patient suffering from a disease selected from the group consisting of SLE, discoid lupus, lupus nephritis, inflammatory bowel disease, and psoriasis, the method comprising
selecting a patient, wherein expression at the RNA or protein level of one or more gene(s) listed in Table(s) 2, 4, 5, and/or 6 in a biological sample taken from the patient before treating the patient deviates from expression of that gene(s) in a control biological sample in a direction consistent with excess IFN-γ pathway activation, and
administering to the patient a monoclonal human anti-human interferon gamma (anti-huIFN-γ) antibody at a dose of from about 20 milligrams to about 300 milligrams,
wherein the antibody is an IgG1 antibody and comprises the amino acid sequences of SEQ ID NO:6 and SEQ ID NO:8.
35. The method of claim 34, wherein the expression of at least five genes listed in Table(s) 5 and/or 6 in the biological sample from the patient deviates from the expression of those genes in the control biological sample in a direction consistent with excess IFN-γ pathway activation.
36. The method of claim 34, wherein the biological sample from the patient exhibits elevated expression at the RNA or protein level as compared to expression in the control biological sample of one or more of the following genes: indoleamine 2,3-dioxygenase 1 (INDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274.
37. The method of claim 34, wherein the disease is SLE and/or lupus nephritis.
38. A method for treating a patient suffering from SLE, an inflammatory bowel disease, or psoriasis comprising:
(a) taking a biological sample from the patient before administering a human anti-huIFN-γ antibody in step (b), wherein the level(s) of expression at the RNA or protein level in the biological sample from the patient of one or more of the genes in Table(s) 2, 4, 5, and/or 6 is determined;
(b) administering to the patient a pharmacodynamically effective dose of the human anti-huIFN-γ antibody, wherein the antibody has a heavy chain complementarity determining region 1 (CDR1) comprising the amino acid sequence of SEQ ID NO:34, a heavy chain complementarity determining region 2 (CDR2) comprising the amino acid sequence of SEQ ID NO:35, a heavy chain complementarity determining region 3 (CDR3) comprising the amino acid sequence of SEQ ID NO:36 or SEQ ID NO:37, a light chain CDR1 comprising the amino acid sequence of SEQ ID NO:38, SEQ ID NO:39, or SEQ ID NO:40, a light chain CDR2 comprising the amino acid sequence of SEQ ID NO:41 or SEQ ID NO:42, and a light chain CDR3 comprising the amino acid sequence of SEQ ID NO:43 or SEQ ID NO:44;
(c) taking a second biological sample taken from the patient after administration of the antibody, wherein the level(s) of expression of the gene(s) of step (a) in the second biological sample are determined; and
(d) if the level(s) of expression of the gene(s) in the second biological sample determined in step (c), as compared to the level(s) of expression in the biological sample determined in step (a)
(i) is modulated in a direction consistent with inhibition of IFN-γ, then continuing treatment of the patient with another pharmacodynamically effective dose of the antibody or
(ii) is substantially the same as that in the biological sample of (a) or if the level of expression of the gene(s) in second biological sample of (c) deviates from the level of expression in the biological sample of (a) in a direction that is consistent with an excess of IFN-γ, then discontinuing treatment with the anti-human IFN-γ antibody.
39. The method of claim 38, wherein the pharmacodynamically effective dose is from about 20 mg to about 80 mg.
40. The method of claim 38, wherein the pharmacodynamically effective dose is from about 80 mg to about 250 mg.
41. The method of claim 38, wherein the heavy chain CDR3 comprises the amino acid sequence of SEQ ID NO:36, the light chain CDR1 comprises the amino acid sequence of SEQ ID NO:38, the light chain CDR2 comprises the amino acid sequence of SEQ ID NO:41, and the light chain CDR3 comprises the amino acid sequence of SEQ ID NO:43.
42. The method of claim 38, wherein the heavy chain variable region of the antibody comprises the amino acid sequence of SEQ ID NO:6, SEQ ID NO:10, SEQ ID NO:14, or SEQ ID NO:30 and the light chain variable region of the antibody comprises the amino acid sequence of SEQ ID NO:8, SEQ ID NO:12, SEQ ID NO:16, or SEQ ID NO:31.
43. The method of claim 42, wherein the heavy chain variable region comprises the amino acid sequence of SEQ ID NO:6, and the light chain variable region comprises the amino acid sequence of SEQ ID NO:8.
44. The method of claim 38, wherein the patient has SLE.
45. The method of claim 44, wherein the patient has lupus nephritis.
46. The method of claim 38, wherein a glucocorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial is concurrently administered to the patient.
47. The method of claim 38, wherein the patient has psoriasis, Crohn's disease, or ulcerative colitis.
48. The method of claim 38, wherein the level(s) of expression of one or more of the following genes at the protein or RNA level is determined in steps (a) and (c): indoleamine 2,3-dioxygenase 1 (INDO1), ankyrin repeat domain 22 (ANKRD22), chemokine (C—X—C motif) ligand 9 (CXCL9), family with sequence similarity 26, member F (FAM26F), purinergic receptor P2Y, G-protein coupled, 14 (P2RY14), guanylate binding binding protein 5 (GBP5), serpin peptidase inhibitor, clade G, member 1 (SERPING1), Fc fragment of IgG, high affinity Ib, receptor (CD64), guanylate binding protein 1, interferon-inducible, 67 kDa (GBP1), chemokine (C—X—C motif) ligand 10 (CXCL10), ets variant 7 (ETV7), programmed death ligand-1 (PD-L1), basic leucine zipper transcription factor, ATF-like 2 (BATF2), Fc fragment of IgG, high affinity Ib, receptor (FCGR1B or CD64), activating transcription factor 3 (ATF3), pyruvate dehydrogenase kinase, isozyme 4 (nuclear gene encoding mitochondrial protein; PDK4), and/or CD274.
49. The method of claim 48, wherein the level of expression of CXCL10 is determined in steps (a) and (c).
50. A method for treating a patient suffering from SLE comprising administering to the patient a dose of at least about 60 milligrams, and not more than about 180 milligrams, of an anti-human IFN-γ antibody,
wherein the anti-human IFN-γ antibody comprises SEQ ID NOs: 6 and 8.
51. The method of claim 50, wherein the level of total IFN-γ in the patient's serum remains above about 200 pg/mL for at least about 2 weeks subsequent to a single dose.
52. The method of claim 50, wherein a glucocorticoid and/or mycophenolate mofetil, azathioprine, leflunomide, methotrexate, or an anti-malarial is concurrently administered to the patient.
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