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EP1355665A2 - Traitement de l'arthrite rhumatoide juvenile par administration orale d'un pool d'immunoglobuline humaine et d'un antiacide - Google Patents

Traitement de l'arthrite rhumatoide juvenile par administration orale d'un pool d'immunoglobuline humaine et d'un antiacide

Info

Publication number
EP1355665A2
EP1355665A2 EP01977531A EP01977531A EP1355665A2 EP 1355665 A2 EP1355665 A2 EP 1355665A2 EP 01977531 A EP01977531 A EP 01977531A EP 01977531 A EP01977531 A EP 01977531A EP 1355665 A2 EP1355665 A2 EP 1355665A2
Authority
EP
European Patent Office
Prior art keywords
antacid
patient
immunoglobulin
pooled human
administered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01977531A
Other languages
German (de)
English (en)
Inventor
Richard Weisbart
Leon Barstow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Research Corp Technologies Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1355665A2 publication Critical patent/EP1355665A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
    • A61K39/39516—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum from serum, plasma
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P19/00—Drugs for skeletal disorders
    • A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/21—Immunoglobulins specific features characterized by taxonomic origin from primates, e.g. man

Definitions

  • the present invention relates to the treatment of juvenile rheumatoid arthritis. More particularly, the invention relates to the treatment of juvenile rheumatoid arthritis by oral administration of a pharmaceutical composition comprising pooled human immunoglobulin and optionally in conjunction with an antacid.
  • JRA Juvenile rheumatoid arthritis
  • JRA Clinical manifestations of JRA include high spiking, daily fevers, rash, arthritis, splenomegaly and weight loss. JRA effects males and females with equal frequency.
  • Juvenile rheumatoid arthritis is most common in children and includes at least five different forms of disease.
  • One form of juvenile rheumatoid arthritis, Rf- positive polyarticular (i.e., more than 4 joints are involved) juvenile rheumatoid arthritis bears some resemblance to adult rheumatoid arthritis.
  • Rf rheumatoid factor
  • JRA Another form of JRA is Rf-negative polyarticular juvenile rheumatoid arthritis.
  • a third form of JRA is positive antinuclear antibody.
  • a fourth form of JRA is HLA B27 positive and a fifth form is systemic JRA.
  • the onset of JRA may be slow or very rapid. Acute onset JRA is referred to as Still's disease.
  • Still's disease also known as systemic onset JRA
  • systemic onset JRA is a subset of juvenile rheumatoid arthritis which has systemic features as the major manifestations which include fever, rash, leukocytosis, lymphadenopathy, pleuropericarditis, sore throat and hepatosplenomegaly are common in addition to arteritis.
  • Classic symptoms of Still's disease include extreme fatique, waves of fevers that rise to 104°F and rapidly return to normal levels, a faint salmon-colored skin rash that does not typically itch. There is also commonly swelling of the lymph glands, enlargement of the spleen and liver, sore throat, joint pain and swelling involving many joints (polyarticular arthritis).
  • Still's disease accounts for 10-20% of all cases of JRA. It affects 25,000 to 50,000 children in the United States and is extremely rare in adults .
  • juvenile arthritis include lupus, dermatomyositis, vasculitis and scleroderma and the spondyloarthropathies .
  • the effective treatment of juvenile rheumatoid arthritis has generally employed a combination of medication, exercise, rest and proper joint protection therapy.
  • the therapy for a particular patient depends on the severity of the disease and the joints that are involved.
  • Aspirin is widely used for pain and to reduce inflammation.
  • non-steroidal anti-inflammatory drugs, corticosteroids, gold salts, anti-malarials and systemic immuno-suppressants are widely used in moderate to advanced cases .
  • the use of steroids and immunosuppressants however, has significant risks and side effects both in terms of toxicity and vulnerability to potentially lethal conditions such as infection and malignancy.
  • there exists a need for a method of treating juvenile rheumatoid arthritis which does not entail the potentially lethal side effects associated with the treatments described above .
  • tolerization is the identification of the correct autoantigen to which tolerance is to be induced.
  • Another drawback to tolerization is the potential to induce onset of autoimmune disease. (See Blanas, et al . (1999) Int Rev. Immunol, 18 (3) :217-228. )
  • the present invention is directed to a method and composition for treating juvenile rheumatoid arthritis patients by orally administering an amount of pooled human immunoglobulin which is sufficient to provide a clinically observable improvement in a patient's rheumatoid arthritic condition.
  • the present invention also contemplates oral administration of pooled human immunoglobin in conjunction with an antacid.
  • the present invention is based on the surprising discovery that the oral administration of pooled human immunoglobulin to patients with juvenile rheumatoid arthritis results in a significant clinical improvement in the rheumatoid arthritic condition of the patient.
  • the present invention is also based on the discovery that there are no toxic effects attributed to the orally administered pooled human immunoglobulin to treat juvenile rheumatoid arthritis patients .
  • the present invention concerns methods for treating patients with juvenile rheumatoid arthritis. This is accomplished by orally administering pooled human immunoglobulin to the patient, optionally in conjunction with an antacid. Pooled human immunoglobin is provided in an amount sufficient to provide a clinically observable improvement in the symptoms associated with the patient's rheumatoid arthritic condition. An immunoglobulin, introduced into the acidic environment of the human stomach, may suffer inactivation. To alleviate such inactivation and/or provide increased therapeutic efficacy, the pooled human immunoglobulin employed in the methods and compositions of the present invention is optionally administered in conjunction with an antacid. The present invention also contemplates pharmaceutical compositions comprising pooled human immunoglobulin.
  • the acid blocker may neutralize the otherwise acidic character of the gut thereby shielding the immunoglobulin from digestion in the stomach.
  • the acid-blocker and immunoglobulin may synergistically provide remediation of arthritis symptoms by suppressing inflammatory mediators or immune-mediated inflammation.
  • a preferred aspect of the present invention provides pharmaceutical compositions comprising pooled human immunoglobulin and a pharmaceutically acceptable carrier.
  • Another preferred aspect of the present invention provides a pharmaceutical composition comprising pooled human immunolgloblin, an antacid and a pharmaceutically acceptable carrier.
  • the composition comprises Sandoglobulin®, cimetidine and a pharmaceutically acceptable carrier.
  • pharmaceutically acceptable carrier includes any and all solvents, dispersion media, coatings, antibacterial and antifungal agents, isotonic and absorption delaying agents, and the like.
  • the use of such media and agents for pharmaceutically active substances is well known in the art . Except insofar as any conventional media or agent is incompatible with the active ingredients, its use in the therapeutic compositions is contemplated.
  • the term "pooled human immunoglobulin” refers to an immunoglobulin composition containing polyclonal antibodies obtained from the plasma of thousands of human donors .
  • the polyclonal antibodies may include IgG, IgA, IgM, etc. or fragments thereof.
  • a preferred polyclonal antibody is IgG.
  • a preferred immunoglobulin composition contains at least about 90% IgG polyclonal antibodies and trace amounts of other polyclonal antibodies such as, for example, IgA and IgM.
  • pooled human immunoglobulin compositions useful in accordance with the present invention include, but are not limited to, Sandoglobulin®, Gammagard®, Gamimune® and Gammar®. In accordance with the present invention any pooled human immunoglobulin can be used.
  • a preferred antacid when used herein denotes an H 2 -blocker or acid blocker or other acid neutralizing agent which neutralizes and/or significantly reduces the acidic content of the gut .
  • a preferred antacid useful in accordance with the teachings of the present invention is cimetidine.
  • a "clinically observable improvement" when used herein refers to a significant subjective remediation and/or objective remediation of symptoms associated with the patient's rheumatoid arthritic condition including, but not limited to, tender joint (s) , swollen joint (s) and stiffness assessments.
  • Significant subjective remediation of symptoms denotes a patient's self-assessment or a physician's assessment of stiffness, joint tenderness, swelling and the like. For example, an observable difference in swelling or tenderness in even one arthritic joint is significant. Absence of swelling or tenderness in a previously affected joint is most significant.
  • erythrocyte sedimentation rate (ESR) relative to normal levels (i.e., an ESR less than about 20 mm/hr is considered normal in accordance with the present invention) .
  • "Treating” as used herein includes any measure to ameliorate, suppress, mitigate or eliminate the clinical symptoms after the onset (i.e., clinical manifestation) of juvenile rheumatoid arthritis.
  • Oral administration as used herein includes oral, enteral or intragastric administration.
  • “In conjunction with” as used herein means before, substantially simultaneously with or after oral administration of antacid.
  • the immunoglobulin composition can not precede or follow administration of an antacid by so long an interval of time that the relevant effects of the substance administered first have expired. Therefore, the immunoglobulin composition should usually be administered within a therapeutically effective time.
  • therapeutically effective time is meant a time frame in which the antacid or immunoglobulin is still active within the patient.
  • the pooled human immunoglobulin is produced by cold alcohol (e.g., ethanol) fractionation from the plasma of thousands of human volunteers according to the method of Cohn et al . (1946) J. • Am. Chem. Soc . , 68:459-475, incorporated herein by reference .
  • cold alcohol e.g., ethanol
  • pooled human immunoglobulin is purchased from Novartis Pharmaceuticals, where it is sold under the name Immune Globulin Intravenous (Human) Sandoglobulin®.
  • Sandoglobulin® is a sterile, highly purified polyvalent antibody product containing, in concentrated form, all the IgG antibodies which regularly occur in the donor population. This immunoglobulin preparation is produced by cold alcohol fractionation from the plasma of over 16,000 volunteer donors.
  • Sandoglobulin ® (IGIV) is made suitable for intravenous use by treatment at acid pH in the presence of trace amounts of pepsin. The preparation contains at least 96% of IgG and with a neutral unbuffered diluent has a pH of 6.6 ⁇ 0.2.
  • immunoglobulins are monomeric (7 S) IgG; the remainder consists of dimeric IgG and a small amount of polymeric IgG, traces of IgA and IgM and immunoglobulin fragments R ⁇ mer J, Spath PJ: Molecular composition of immunoglobulin preparations and its relation to complement activation, in Nydegger UE (ed) : Immunohemotherapy: A Guide to Immunoglobulin Prophylaxis and Therapy. London, Academic Press, 1981, p. 123. The distribution of the IgG subclasses corresponds to that of normal serum. Final container lyophilized units are prepared so as to contain 1, 3 or 6 g protein with 1.67 g sucrose and less than 20 mg NaCl per gram of protein.
  • the lyophilized preparation is devoid of any preservative and may be reconstituted with sterile water.
  • pooled human immunoglobulin is purchased from the Baxter Healthcare Corporation, where it is sold under the name Immune Globulin Intravenous (Human) Gammagard®.
  • Gammagard® is a sterile, freeze dried preparation of highly purified immunoglobulin G (IgG) derived from large pools of human plasma.
  • Gammagard ® is manufactured by cold ethanol fractionation.
  • Gammagard® contains at least about 90% IgG and trace amounts of IgA and IgM.
  • Gammagard®, reconstituted to 5% contains a physiological concentration of sodium chloride (approx.
  • Gammagard® is supplied lyophilized in 2.5, 5 or 10 g single use bottles. Each bottle of Gammagard ® is furnished with a suitable volume of sterile water for reconstitution.
  • pooled human immunoglobulin is purchased from the Bayer Corporation, where it is sold under the name Gamimune®.
  • Gamimune® is a sterile solution of highly purified human protein.
  • Gamimune ® contains 9-11% protein in 0.16-0.24 M glycine. At least about 90% of the protein is IgG monomer
  • Gamimune® also contains traces of IgA and IgM. The distribution of IgG subclasses is similar to that found in normal human serum.
  • Gamimune® like Gammagard® and Sandoglobulin® is made by cold ethanol fractionation of pools of human plasma obtained from thousands of volunteers .
  • pooled human immunoglobulin is purchase from Centeon, L.L.C., where it is sold under the name Immune Globulin Intravenous (Human) Gammar®.
  • Gammar® is a sterile solution of immunoglobulin, primarily immunoglobulin G (IgG), containing 16.5 ⁇ 15% protein.
  • Gammar® is prepared by cold alcohol fractionation of plasma pooled from at least 1000 donors. The pH of Gammar® is 6.8 ⁇ 0.4.
  • Gammar® also contains approximately 0.45% sodium chloride, thimerosal, at a concentration of 0.01% and 0.3M glycine.
  • the above-described pooled human immunoglobulin preparations are merely exemplary of the class of pooled human primarily immunoglobulin G preparations useful in accordance with the present invention.
  • an antacid is administered in conjunction with the pooled immunoglobulin.
  • the immunoglobulin composition and the antacid are administered simultaneously in a unitary pharmaceutical composition.
  • the immunoglobulin composition is administered at a therapeutically effective time after administration of the antacid.
  • the antacid is aluminum hydroxide or magnesium hydroxide such as Maalox®, Mylanta® or Tagamet® which are available commercially.
  • the antacid is an H2 blocker, such as Cimetidine or Ranitidine.
  • the dosage of antacid administered in conjunction with immunoglobulin depends on the particular H 2 -blocker used.
  • the antacid is Mylanta®, between 15 ml and 30 ml is preferred. Most preferably the dosage of Mylanta® is 15 ml .
  • the preferred dosage is between 400 and 800 mg per day.
  • the dosage of pooled human immunoglobulin administered to the patient may be varied dependent upon severity of the patient's arthritic condition and other clinical factors. Preferably, the dosage will be as small as possible while still providing a clinically observable result .
  • the most preferable doses are those that have the largest effect in terms of alleviating the patient's arthritic condition.
  • Dosages of the immunoglobulin composition may range from as little as 100 mg per day up to as much as 10 g per day.
  • Dosages of 300 mg of pooled human immunoglobulin per day have been found to result in significant improvement in the condition of patients with rheumatoid arthritis and cause little or no adverse side effects. Accordingly, 300 mg per day is a preferred dose.
  • the present invention also contemplates dosages ranging from 3 mg/kg to about 100 mg/kg.
  • the chosen dose may be given in increments, it also may be given as a single dose.
  • the dose of immunoglobulin may be administered at any time during the day, it is preferred that it be administered at bedtime .
  • the patient's arthritic condition can be determined, for example, by the patient's self-assessment of his or her pain, stiffness, etc. Another way to determine the patient's arthritic condition is for a physician to examine a patient's joint tenderness, swelling and cystic growth.
  • Dosage unit form refers to physically discrete units suited as uni.tary dosages for the rheumatoid arthritic subjects to be treated, each unit containing a predetermined quantity of pooled human immunoglobulin with or without an antacid calculated to produce the desired therapeutic effect in association with the required pharmaceutical carrier.
  • novel dosage unit forms of the invention are dictated by and directly dependent on (a) the unique characteristics of the pooled human immunoglobulin, antacid and the particular therapeutic effect to be achieved, and (b) the limitations inherent in the art of compounding such a pooled human immunoglobulin for the treatment of juvenile rheumatoid arthritis herein disclosed in detail.
  • the pooled human immunoglobulin with or without an antacid is compounded for convenient and effective administration in effective amounts with a suitable pharmaceutically acceptable carrier in dosage unit form as hereinbefore described.
  • a unit dosage form can, for example, contain the pooled human immunoglobulin in amounts ranging from about 100 mg to about 10 g and, if desired, an antacid in an amount ranging from about 400 to 800 mg.
  • Clinically observable results from the administration of immunoglobulin in conjunction with antacid may be observed. in as little as 2 weeks. However, it may take up to 6 weeks to obtain measurable benefit. Initial dose levels used during the first few weeks of treatment may be reduced once clinical improvement has been observed. Reductions in dose levels of up to 90% may be made after the first few weeks.
  • the oral treatment method in accordance with the present invention may be used to treat juvenile rheumatoid arthritis, including systemic onset, oligoarticular and polyarticular types and other closely related autoimmune diseases such as lupus, dermatomyositis, vasculitis, scleroderma and the spondyloarthropathies.
  • the treatment of e.g., spondyloarthropathies according to the present invention would employ the same dosages as for junveile rheumatoid arthritis and the same treatment protocol .
  • the patient discontinued methotrexate due to a lack of efficacy.
  • the patient also was administered Enbrel®, but was unresponsive to enbrel as well.
  • the patient was administered 300 mg gammaglobulin orally once daily at bedtime.
  • the patient experienced a feeling of well being; the patient's fevers and arthritis subsided.
  • the boy was seen by his physical therapist after 6 weeks of oral gammaglobulin.
  • the patient was able to walk without crutches or a walker and after 3 months of therapy the patient was able to run and jump; he had been unable to walk without assistance since the onset of his disease.
  • the patient's ESR was 20 mm/hr compared to an ESR of greater than 100 mm/hr before taking oral gammaglobulin.
  • the patient remains in remission.
  • X-rays were taken after 6 months of oral gammaglobulin and showed complete healing of multiple large bone cysts .
  • the patient continues to take 300 mg oral gammaglobulin daily without any side effects.
  • the child was able to ambulate better with less pain, and her play was more vigorous.
  • the patient's physician evaluated her and documented at least 50% clinical improvement in only 3 weeks . Because the patient was scheduled to enter another clinical trial, the oral gammaglobulin was discontinued. She was examined again two weeks after discontinuing the oral gammaglobulin, and the same physician documented a 20% flare of her arthritis. The patient did not experience any side effects from the oral gammaglobulin.

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  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Immunology (AREA)
  • Organic Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Mycology (AREA)
  • Microbiology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rheumatology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Medicinal Preparation (AREA)

Abstract

Selon l'invention, un pool d'immunoglobuline humaine et éventuellement un antiacide peuvent être administrés par voie orale à des patients souffrant d'arthrite rhumatoïde juvénile en vue de traiter l'état pathologique de ces patients. L'administration orale d'un pool d'immunoglobuline humaine conjointement avec un antiacide permet d'obtenir une amélioration clinique marquée en termes de degré d'activité de la maladie chez les patients atteints d'arthrite rhumatoïde juvénile.
EP01977531A 2000-10-06 2001-10-05 Traitement de l'arthrite rhumatoide juvenile par administration orale d'un pool d'immunoglobuline humaine et d'un antiacide Withdrawn EP1355665A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US68061900A 2000-10-06 2000-10-06
US680619 2000-10-06
PCT/US2001/031240 WO2002028430A2 (fr) 2000-10-06 2001-10-05 Traitement de l'arthrite rhumatoide juvenile par administration orale d'un pool d'immunoglobuline humaine et d'un antiacide

Publications (1)

Publication Number Publication Date
EP1355665A2 true EP1355665A2 (fr) 2003-10-29

Family

ID=24731818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01977531A Withdrawn EP1355665A2 (fr) 2000-10-06 2001-10-05 Traitement de l'arthrite rhumatoide juvenile par administration orale d'un pool d'immunoglobuline humaine et d'un antiacide

Country Status (4)

Country Link
EP (1) EP1355665A2 (fr)
JP (1) JP2004510748A (fr)
CA (1) CA2424623A1 (fr)
WO (1) WO2002028430A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2437099A1 (fr) * 2001-01-30 2002-10-10 The Lauridsen Group, Incorporated Procedes et compositions destines au traitement de dysfonctions immunitaires

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064210B2 (fr) * 1981-05-01 1991-03-06 Miles Inc. Composition pharmaceutique orale contenant de l'immunoglobuline
WO1995022350A1 (fr) * 1994-02-18 1995-08-24 Immuno Aktiengesellschaft Composition et procede destines a prevenir et traiter les inflammations a l'aide d'immunoglobuline a

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO0228430A3 *

Also Published As

Publication number Publication date
WO2002028430A2 (fr) 2002-04-11
WO2002028430A3 (fr) 2003-08-28
JP2004510748A (ja) 2004-04-08
CA2424623A1 (fr) 2002-04-11

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