WO2002040507A2 - Nouveaux composes pour des applications a la radioimmunoscintigraphie et/ou a la radioimmunotherapie des cancers - Google Patents
Nouveaux composes pour des applications a la radioimmunoscintigraphie et/ou a la radioimmunotherapie des cancers Download PDFInfo
- Publication number
- WO2002040507A2 WO2002040507A2 PCT/FR2001/003616 FR0103616W WO0240507A2 WO 2002040507 A2 WO2002040507 A2 WO 2002040507A2 FR 0103616 W FR0103616 W FR 0103616W WO 0240507 A2 WO0240507 A2 WO 0240507A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- formula
- integer
- compound
- represent
- 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.)
- Ceased
Links
- 0 C*(C)*(C)NC(C(CCCCNC(CNC(CCC(NCCC1N=CNC1C)=O)=O)=O)N)=O Chemical compound C*(C)*(C)NC(C(CCCCNC(CNC(CCC(NCCC1N=CNC1C)=O)=O)=O)N)=O 0.000 description 15
- VEAIMFDHYSBDOY-UHFFFAOYSA-N CCCC(CCCCC(C=N)C(CC(C(CCC(NCCc1c[nH]cn1)=O)=O)=N)=O)C(N)=O Chemical compound CCCC(CCCCC(C=N)C(CC(C(CCC(NCCc1c[nH]cn1)=O)=O)=N)=O)C(N)=O VEAIMFDHYSBDOY-UHFFFAOYSA-N 0.000 description 1
- KGXAEUCDRATIDU-UHFFFAOYSA-N CCOC(C(CCCCNC(CNC(CCC(NCCC1[N]#CNC1)=O)=O)O)NC(C)=O)=O Chemical compound CCOC(C(CCCCNC(CNC(CCC(NCCC1[N]#CNC1)=O)=O)O)NC(C)=O)=O KGXAEUCDRATIDU-UHFFFAOYSA-N 0.000 description 1
- JRLPEMVDPFPYPJ-UHFFFAOYSA-N CCc1ccc(C)cc1 Chemical compound CCc1ccc(C)cc1 JRLPEMVDPFPYPJ-UHFFFAOYSA-N 0.000 description 1
- RPVRDPBLYMNNSY-UHFFFAOYSA-N N=C1C=NC(CCNC=O)=C1 Chemical compound N=C1C=NC(CCNC=O)=C1 RPVRDPBLYMNNSY-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/64—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
- A61K51/02—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by the carrier, i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
- A61K51/04—Organic compounds
- A61K51/08—Peptides, e.g. proteins, carriers being peptides, polyamino acids, proteins
- A61K51/088—Peptides, e.g. proteins, carriers being peptides, polyamino acids, proteins conjugates with carriers being peptides, polyamino acids or proteins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
- A61P35/04—Antineoplastic agents specific for metastasis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D259/00—Heterocyclic compounds containing rings having more than four nitrogen atoms as the only ring hetero atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6524—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having four or more nitrogen atoms as the only ring hetero atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/02—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link
- C07K5/022—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link containing the structure -X-C(=O)-(C)n-N-C-C(=O)-Y-; X and Y being heteroatoms; n being 1 or 2
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/06—Dipeptides
- C07K5/06008—Dipeptides with the first amino acid being neutral
- C07K5/06017—Dipeptides with the first amino acid being neutral and aliphatic
- C07K5/06026—Dipeptides with the first amino acid being neutral and aliphatic the side chain containing 0 or 1 carbon atom, i.e. Gly or Ala
Definitions
- the subject of the invention is new compounds which can be used in the field of radioimmunoscintigraphy, radioimmunotherapy, in particular cancers, the treatment of radioactive waste, the assay or purification of radionuclides and metals, as well as the methods of preparation of these compounds.
- the objective of radioimmunotherapy is to destroy malignant target cells through the use of a radionuclide associated with an antibody.
- Two main techniques are used: the first known as one time, uses a radiolabelled antibody as a therapeutic agent. However, this technique poses significant non-specific fixation problems, particularly in the liver and kidneys.
- the second called in two stages (1 "2) (AES system) overcomes these non-specific fixation problems: it consists first of injecting a bispecific antibody, then after a period of two to three days (necessary to elimination of unbound antibodies), an immunospecific molecule (bivalent heteropeptide), vector of the radionuclide ( Figure 1).
- bivalent heteropeptide diffuses rapidly towards the tumor target and the proportion of the radiolabelled heteropeptide unbound is quickly eliminated from the body.
- diDTPA-TL Diagram 1 radiolabeled with 1 " 31 I or with nl In. This the latter, however, does not allow the coupling of a bifunctional chelating agent (BCA) complexing other radionuclides.
- BCA bifunctional chelating agent
- Peptide 740 has two HSGL motifs, responsible for the recognition properties vis-à-vis the bispecific antibody F6-679, linked together by a tyrosine and a Gly-Gly-Gly side chain.
- the presence of the two HSGL motifs makes it possible to establish a bridge between two antibodies previously fixed on the tumor and gives the system better stability of the radioimmunoconjugate on the target tumor cell.
- the aromatic nucleus of tyrosine authorizes direct radiolabelling at 131 I and possibly at P 211 At.
- the present invention follows from the discovery by the Inventors of the fact that it is possible to obtain new stable compounds comprising both a bivalent heteropeptide of the HSGL type, and one or more BCAs capable of complexing radionuclides (advantageously of large sizes), if the BCA (s) in question are separated by a cycle, in particular by the phenyl cycle in the case of the peptide 740 and its derivative AG 8-0 mentioned above.
- One of the aims of the present invention is to provide new compounds for radiotherapy, or in vitro diagnosis of pathologies such as cancer, in particular by radioimmunoscmtigraphy, or treatment of radioactive waste, or assay or purification of radionuclides or metals.
- TJ represents a group comprising at least one chelating agent capable of fixing at least one radionuclide
- U ' represents a group comprising at least one chelating agent as defined above , identical or different from the aforementioned group U, and R is as defined above,
- - Y represents a metabolizable link in the liver or in the kidneys, such as - (CH 2 -SS-CH 2 ) -, - (CH 2 -O-CH 2 ) -, - (CH 2 ) n -, n being an integer between 1 and
- - R represents NH, NHCS, NHCOCH 2 , or an NHCO-W-CO group in which W represents - (CH 2 ) p , p being an integer between 1 and 12, or W represents a group Y as defined above -above,
- - A represents a ring, aromatic or not, optionally substituted, in particular by one or two hydroxyl groups, comprising approximately 5 to approximately 10 carbon atoms in the ring, and, where appropriate approximately 1 to 2 nitrogen atoms, and / or sulfur, and / or oxygen in the ring, such as a phenyl, furan, thiophene, pyrrole, naphthalene, quinoline, pyrimidine, or quinolaxine group,
- n t and n 2 independently of one another, represent 0, or an integer between 1 and 6,
- V 2! independently of each other, represent CO, ⁇ H, ⁇ H-CO, or CO- H,
- L. and L 2 identical or different, represent a motif, in particular a heteropeptide or peptide sequence, capable of specifically recognizing determined antibodies, and of which the proximal part, namely that located near V] or V 2 respectively, is, where appropriate, substituted by a group of formula
- U- (B) b - (Y) a -RA- (CH 2 ) m - in which U, B, b, Y, R, A, a, and m are as defined above, provided that when k represents 0, at least one of L ⁇ or L 2 , is substituted by a group mentioned above of formula U- (B) b - (Y) a -RA- (CH 2 ) m -.
- U in the above compounds represents a group comprising at least one chelating agent capable of fixing at least one radionuclide chosen from the following: 213 Bi, 225 Ac, 2U At, 153 Sm, 186 Re, 18S Re, 90 Y , 167 Ho, I77 Lu, 99m Tc, __n, 131 I.
- the compounds defined above are characterized in that U represents a group comprising at least one chelating agent chosen from the following families of compounds:
- - rigid macrocyclic chelating agents such as polyaza polyaminocarboxylic and / or polyaminophosphonic compounds, said compounds being chosen in particular from those described in A. Ouadi, and A Loussouarn (7)
- - linear chelating agents such as polyaminocarboxylic compounds and / or polyaminophosphonic compounds, said compounds being chosen in particular from those described in
- - or semi-rigid chelating agents such as the compounds derived from trans-1,2-cyclohexane polyaminocarboxylic and / or polyamino phosphonic, said compounds being chosen in particular from those described in the international application
- R u represents NH, NHCS, NHCOCH 2 ,
- Z3 and Z independently of each other, represent an integer from 1 to 5, preferably from 1 to 3, - Ri, R2, R3 and R4, independently of each other, represent - COOH, or
- n5 represents an integer from 1 to 5, preferably from 1 to 3
- R5 represents -COOH, or -PO (OH) 2
- Y represents H or a group - (CH 2 ) ng -Rg in which ng represents an integer from 1 to 5, preferably from 1 to 3
- Rg represents
- R ⁇ , R2, R3 or R4 representing of; preferably a group of formula:
- R u represents NH, NHCS, NHCOCH 2.
- mji, m2, and m n independently of one another, represent an integer from 1 to 5, preferably from 1 to 3,
- - Ri independently of one another, represent an integer from 1 to 5, preferably from 1 to 3, - Ri, and R n , independently of one another, represent -COOH, or -PO (OH) 2, or a group of formula:
- n5 represents an integer from 1 to 5, preferably from 1 to 3
- R5 represents -COOH, or -PO (OH) 2
- Y represents H or a group - (CH-) ng- Rg in which ng represents an integer from 1 to 5, preferably from 1 to 3
- Rg represents
- - Xi represents an integer from 3 to 12, preferably from 4 to 6.
- the invention more particularly relates to compounds as defined above, characterized in that U represents a group of formula:
- - W represents a group - (CH 2 ) z2 -R 2 , in which z 2 and R 2 are as defined below, or a group of formula
- - z, z 2 , Z3, Z4, Z5, and zg independently of each other, represent an integer from 1 to 5, preferably from 1 to 3,
- R 2 , R3, R 4 , R s , and Rg independently of each other, represent
- n represents an integer from 1 to 5, preferably from 1 to 3
- R7 represents -COOH, or -PO (OH)
- Y represents H or a group - (CH 2 ) ng-Rg in which ng represents an integer from 1 to 5, preferably from 1 to 3
- Rg represents
- R ⁇ R 2 , R3,, R $, or Rg preferably representing a group of formula: (CH 2 ) n 7 -R 7
- .- a ⁇ and a 2 independently of one another, represent an integer from 1 to 5, preferably from 1 to 3,
- . b 0 or 1
- B represents a group of formula:
- the invention more particularly relates to compounds as defined above, characterized in that U represents a group of formula:
- R_ is as defined above.
- the invention relates more particularly to the above-mentioned compounds, characterized in that U represents a group of formula: in which 1 ⁇ is as defined above.
- the invention also relates to the above-mentioned compounds, characterized in that U represents a group of formula: -R u -C 6 H 4 - (CH 2 ) bl -CH- (CH 2 ) b2 -U 2
- b, and b 2 independently of one another, represent an integer from 1 to 5, preferably from 1 to 3,
- U, and U 2 independently of one another, represent a chelating agent as defined above.
- a more particular subject of the invention is the compounds as defined above, characterized in that A represents a phenyl group.
- the invention also relates to the compounds as defined above, characterized in that L : and L 2 are chosen from motifs, in particular heteropeptide or peptide sequences, capable of specifically recognizing determined antibodies. By way of illustration, such patterns are described in Morel A. M and
- Delaage M. A (l ⁇ ) and in Morel AM, Darmon M., and Delaage MA ( ⁇ ) .
- L. and L 2 are chosen from the molecules of general formula (L) below:
- - X represents NH, CO, NH-CO, or CO-NH
- R b represents an alkyl group of 1 to 6 carbon atoms, such as an ethyl group
- a -CONH 2 group .
- the invention relates more particularly to the compounds as defined above, of general formula (EL) below:
- the compounds defined above of the present invention are such that L1 and L2 represent the tetrapeptide HSGL, namely a group of formula:
- the invention more particularly relates to the compounds as defined above, of formula
- R, and U are as defined above.
- the compounds defined above of the invention are such that R represents -CS-NH-, and R-, in the definition of U represents -NH-.
- the invention also relates to the compounds as defined above, corresponding to the following formula:
- the invention more particularly relates to the following compounds:
- the subject of the invention is also the complexes between a compound as defined above, and a radioactive element (also designated above and below radionuclide).
- a radioactive element also designated above and below radionuclide.
- the radionuclide is linked, in particular by ionic bonds, to at least one chelating agent of group U defined above, in particular with the COOH and / or PO (OH) 2 groups and the nitrogen atoms of said group U, in the above complexes.
- the aforementioned radionuclides are more particularly the radiometric transmitters ⁇ , ⁇ or ⁇ , preferably from the group of actinides or lanthanides.
- a more particular subject of the invention is the use of a compound as defined above, for:
- medicaments for radiotherapy and more particularly radioimmunotherapy, or for radioimmunoscmtigraphy, in particular in the context of the treatment of cancers, or of the treatment or prevention against metastatic proliferation,
- coated solid phases in order to purify or select antibodies from a bank or a reaction mixture (coated tubes, magnetic beads, etc.),
- the invention also relates to the methods for treating radioactive waste, said methods comprising a step of bringing a compound of the invention as defined above into contact with a medium containing radioactive waste.
- the radioactive elements constituting the waste of the medium in question are chelated by the chelating agent (s) of the group or groups U defined above, the medium is then purified on a column making it possible to separate the compounds according to their molar mass.
- the invention also relates to the methods for assaying or purifying radionuclides or metals, said methods being carried out in the same manner as in the case of the preceding method.
- the purification is in this case carried out using a column comprising antibodies directed against the above-mentioned patterns L1 and L2 of the compounds used defined above.
- the radionuclides or metals present in the medium bind to the compounds of the invention, then are retained on the aforementioned column, which makes it possible to separate them from the other constituents of the medium and to purify and / or quantify them.
- a more particular subject of the invention is the use of a complex as defined above, for:
- the complexes used for the preparation of a medicament are those comprising one or more radionuclides chosen from the following: 2l3 Bi, 225 Ac, 2 ⁇ At, 153 Sm, 18ô Re, ls8 Re, 90 Y, 167 Ho, 177 Lu , 99m Tc, In, 131 I.
- the complexes used for the diagnosis are those comprising one or more radionuclides chosen from the following: 99m Tc, lu In, 131 I.
- the invention also relates to pharmaceutical compositions comprising at least one complex as defined above, in combination with a pharmaceutically acceptable vehicle.
- compositions which are particularly preferred in the context of the present invention are presented in forms which can be administered intravenously or intraperitoneally, preferably in an amount of from about 0.1 mg to about 1 mg.
- the invention also relates to any composition comprising at least one complex as defined above, in association with bispecific antibodies, namely antibodies which specifically recognize, on the one hand, the organs or tissues or cells to be treated using said compound. , and on the other hand, the patterns L1 and L2 of said complex, as a combination product for simultaneous use or spread over time in the context of the treatment of the pathologies defined above, or of imaging, in particular by immunoscintigraphy.
- a more particular subject of the invention is any composition as defined above, characterized in that the bispecific antibodies are chosen from the Ac F6 anti anti embryonic adenocarcino antibodies, coupled to the Ac 679 anti HSGL antibodies, these antibodies being described in particular in K BOSSLET and A. STEINSTRAESSER (15) .
- the dosage of bispecific antibodies in said compositions is approximately 50 to 100 mg per injection in the context of the treatment of the abovementioned pathologies, and approximately 1 mg per injection in the context of the in vivo diagnosis of said pathologies.
- the subject of the invention is also a kit or kit for the implementation of a method of treatment by radiotherapy, or of diagnosis, or of treatment of radioactive waste, or of assay or purification of radionuclides or of metals, defined below. - above, characterized in that it comprises: - at least one compound or complex as defined above,
- bispecific antibodies as defined above.
- the invention will be further illustrated with the aid of the following detailed description of the synthesis of the compounds of the invention, and of the evaluation of their immunospecific properties.
- Z protective group of ainate function such as: tBoc (tertiobutoxycarbonyl), Z (benzyloxycarbonyl), Fmoc (9-fluorenylmethoxycarbonyl), phthalimido.
- the liquid phase synthesis method makes it possible to obtain large quantities of heteropeptides compared to synthesis on a solid support.
- the first step in this work was to synthesize in sufficient liquid the HSGL motif 8) .
- heteropeptide 740 is formed from the association of two HSGL motifs via a binding agent, the inventors have sought to redefine the very nature of this agent in order to be able to introduce indirect labeling properties. This involves having a function authorizing the coupling of any bifunctional chelating agent (BCA).
- BCA bifunctional chelating agent
- the inventors have developed the synthesis of several binding agents capable of coupling two HSGL motifs and having a masked aromatic amine function for the coupling of BCA.
- the pKa of the aromatic amine different from that of histamine makes it possible to avoid any reactivity with histamine functions during coupling reactions with BCA.
- HSGL was carried out on ethyl glycinate in order to select the best candidate.
- a heteropeptide hapten was finally synthesized. It has been successfully subjected to an evaluation of the recognition properties with respect to the specific antibody 679
- the first step in this synthesis is the esterification of N ⁇ (Z) Lysine.
- Compound 2 ethyl N- (Boc) glycylN ⁇ (Z) lysinate
- the amine function of compound 2 protected by the Boc group is released in a strong acid medium (CF 3 CO 2 H).
- compound 3bis is synthesized; it results from the nucleophilic addition of the rhistamine amine to the carbonyl of succinic anhydride.
- Compound 4 is obtained after activation of compound 3 bis by paranitrophenol then coupling with compound 3.
- Cleavage of the group Z of compound 4 is carried out by catalytic hydrogenation (H 2 , Pd / C).
- Compound 5bis is obtained after saponification of the ester function and then acidification.
- n 1 to 6
- V -CO 2 H and / or -NH 2 .
- the original heteropeptide 740 is immunospecific for antibody 679. Competition tests make it possible to compare the affinity of a synthesized heteropeptide, with respect to the reference antibody, to that of the original heteropeptide.
- the heteropeptide synthesized has shown excellent conservation of the recognition properties with respect to the antibody 679 (FIG. 2). 3- Indirect labeling of the synthesized heteropeptide
- heteropeptide 11 after transformation of the terminal amino function into isothiocyanate, was coupled with 4-aminobenzyidiethylenetriaminepentaacetic acid, radiolabeled with m In and purified on a Sep-Pa column.
- Identical tests carried out with heteropeptide 740 on the same series of coated tubes lead to a calculated immunoreactivity of 80%.
- the indirect labeling of the synthesized heteropeptide therefore retains immunoreactivity with respect to the antibody 679.
- the thiophosgene (15.3 mg, 133 ⁇ moles) is diluted in 1 ml of chloroform.
- Compound 11 (14 mg, 13.3 ⁇ moles) dissolved in 1 ml of 0.5M HCl is added slowly, with vigorous stirring to the organic phase. The reaction continues overnight at room temperature. The aqueous phase is washed several times with 2 ml of chloroform.
- Compound 12 is stored in the 0.5M HCl solution.
- Isothiocyanate 12 is dissolved in 1 ml of anhydrous DMF, the solution is placed under a stream of nitrogen. At the same time, BzDTPA is dissolved in 3 ml of
- the radioimmunoconjugate obtained is then deposited on two tubes coated with antibody 679. After one hour of incubation at 37 ° C, the radioactivity is measured (T). The tubes are then washed to remove the radioimmunoconjugate which is not attached to the antibody. The radioactivity after washing is again measured (B).
- the LM085 peptide corresponds to compound 11.
- BCA j and BCA 2 are identical or different and correspond to a group U as defined above.
- the steps of the process shown above are the following:
- the first step in this synthesis is the esterification of paranitrophenylalanine by the action of HClg in MeOH.
- the compound 13 obtained is treated with gaseous ammonia to yield amidel4; the latter is then reduced by treatment with BH 3 / THF leading to diamine 15.
- the amino functions are then protected by a Boc group (tertiobutoxycarbonyl).
- the aromatic nitro function of the compound 16 obtained is reduced by catalytic hydrogenation in the presence of palladium on carbon.
- the aromatic amine of compound 17 is protected by an Fmoc group (9-fluorenylmethoxycarbonyl).
- Diamine 19 is obtained after treatment with 3M HCl and then basic washing.
- Compound 20 results from successive couplings of different BCAs or simultaneous identical BCAs.
- the aromatic amine of compound 21 is deprotected by treatment with diethyleneamine in DMF.
- Isothiocyanate 22 is then formed by the action of thiophosgene on the aromatic amine.
- the coupling of compound 22 and compound 11 in DMF in the presence of triethylamine makes it possible to obtain compound 23.
- the steps of the process shown above are as follows:
- the first step of this synthesis is the amide coupling of the N ⁇ (Boc) N (Z) Lysine and of the compound 25 (N 4 (Fmoc) 4-aminobenzylamine) .
- the amine located in ⁇ is then deprotected with 3M HCl, then released from its salt by basic washes.
- Compound 27 is then coupled with N (Boc) paranitrophenol glycinate to lead to compound 28.
- the release of "the amino function of compound 28 protected by the Boc group is carried out in a strong acid medium (CF 3 CO 2 H).
- compound 3bis is synthesized, it results from the nucleophilic addition of the amine of rhistamine to the carbonyl of succinic anhydride.
- the amide coupling of compounds 3bis and 29 is carried out in the presence of DCC / NHS.
- group Z of compound 30 results from a catalytic hydrogenation (H 2 , Pd / C) to lead to the production of compound 31 (HSGL 1 ) b - Synthesis of bivalent peptides 34 and 35
- BCA ! , BCA 2 and BCA 3 are identical or different, and correspond to a group U as defined above.
- the steps of the process schematized above are as follows:
- the lateral aromatic amino functions of compound 35 are deprotected by treatment with diethylenamine in DMF.
- the aromatic NO 2 function is hydrogenated in the presence of palladium on carbon; the aromatic amine obtained is coupled with the isothiocyanate of BCA 3 in order to obtain compound 37.
- an aromatic amine as a coupling site on the heteropeptide presents a double advantage: it allows on the one hand the coupling with different activated functions (activated esters, anhydrides, isothiocyanates, isocyanates ...) present on BCA coupling candidates. It can also be easily transformed into isothiocyanate, a reactive function vis-à-vis primary aliphatic and aromatic amines optionally carried by the B.C.A.
- the heteropeptide synthesized can either be coupled to a B.C.A previously activated, or activated in isothiocyanate and coupled to B.C.A.
- the heteropeptide LM085 was coupled to p.isothiocyanatobenzylHEHA under the same conditions as above. Monitoring by analytical HPLC and then purification on a semi-preparative column enabled us to isolate the expected compound 15. IV - Results relating to a new heteropeptide, heteropeptide LM218 (compound 16).
- Serum stability tests are based on the same principle as competition curves; it is a question here of verifying the preservation of the immunoreactivity over time of the heteropeptide to be tested, in serum medium, in comparison with the heteropeptide AG 8.1 or peptide 740. These tests are carried out in the same way in coated tubes. by antibody-679 and always using as a tracer a constant amount of heteropeptide AG 8.1 radiolabelled with iodine-125.
- the heteropeptide LM218 was coupled to p.isothiocyanatobenzylDTPA, p.isothiocyanatobenzylTTHA and CHXA "DTPA.
- the isothiocyanate of BCA is reacted with heteropeptide LM218 in anhydrous DMF in the presence of triethylamine.
- . 17, 18 and 19 were purified by semi-preparative HPLC The synthesis of these compounds is shown below.:
- Compound 13 is purified by semi-preparative HPLC on the same type of column.
- Figure 2 Comparison of the displacement curves of peptide 740 and of the heteropeptide synthesized. The concentrations are indicated on the abscissa, and the radioactivities measured are indicated on the ordinate. The curve delimited by squares corresponds to that measured in the case of peptide 740, and that delimited by diamonds corresponds to that measured in the case of the heteropeptide synthesized.
- FIG. 3 Tests of competition of the heteropeptides LM218 and AG 8.1 with respect to the antibody-679,
- Figure 4 Serum stability tests of heteropeptide LM218 in comparison with heteropeptide AG 8.1.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- General Chemical & Material Sciences (AREA)
- Biophysics (AREA)
- Genetics & Genomics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oncology (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Epidemiology (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0014797A FR2816620B1 (fr) | 2000-11-16 | 2000-11-16 | Nouveaux composes pour des applications a la radioimmunoscintingraphie et/ou a la radioimmunotherapie des cancers |
| FR00/14797 | 2000-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2002040507A2 true WO2002040507A2 (fr) | 2002-05-23 |
| WO2002040507A3 WO2002040507A3 (fr) | 2002-07-11 |
Family
ID=8856548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2001/003616 Ceased WO2002040507A2 (fr) | 2000-11-16 | 2001-11-16 | Nouveaux composes pour des applications a la radioimmunoscintigraphie et/ou a la radioimmunotherapie des cancers |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2816620B1 (fr) |
| WO (1) | WO2002040507A2 (fr) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003101496A1 (fr) * | 2002-06-03 | 2003-12-11 | Immunomedics, Inc. | Methodes et compositions de traitement intravesical du cancer de la vessie |
| US7662824B2 (en) | 2005-03-18 | 2010-02-16 | Janssen Pharmaceutica Nv | Acylhydrazones as kinase modulators |
| CN114409578A (zh) * | 2022-01-28 | 2022-04-29 | 安源基因科技(上海)有限公司 | 一种新型多元适体分子的制备方法 |
| CN114441749A (zh) * | 2022-01-28 | 2022-05-06 | 安源基因科技(上海)有限公司 | 一种新型多元适体分子在磁珠免疫化学发光afp中的应用 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2652004B1 (fr) * | 1989-09-21 | 1994-10-28 | Immunotech Partners | Nouveaux derives hydrophiles, application au diagnostic et a la therapeutique, kits diagnostiques ou therapeutiques et reactifs immunologiques. |
| FR2697255B1 (fr) * | 1992-10-27 | 1995-01-13 | Immunotech Partners | Nouveaux dérivés bihaptènes liant le technétium, application au diagnostic et à la thérapeutique, kits et réactifs immunologiques les mettant en Óoeuvre. |
-
2000
- 2000-11-16 FR FR0014797A patent/FR2816620B1/fr not_active Expired - Fee Related
-
2001
- 2001-11-16 WO PCT/FR2001/003616 patent/WO2002040507A2/fr not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003101496A1 (fr) * | 2002-06-03 | 2003-12-11 | Immunomedics, Inc. | Methodes et compositions de traitement intravesical du cancer de la vessie |
| US7662824B2 (en) | 2005-03-18 | 2010-02-16 | Janssen Pharmaceutica Nv | Acylhydrazones as kinase modulators |
| CN114409578A (zh) * | 2022-01-28 | 2022-04-29 | 安源基因科技(上海)有限公司 | 一种新型多元适体分子的制备方法 |
| CN114441749A (zh) * | 2022-01-28 | 2022-05-06 | 安源基因科技(上海)有限公司 | 一种新型多元适体分子在磁珠免疫化学发光afp中的应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2816620A1 (fr) | 2002-05-17 |
| WO2002040507A3 (fr) | 2002-07-11 |
| FR2816620B1 (fr) | 2003-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7449864B2 (ja) | エバンスブルー誘導体の化学結合体ならびに前立腺癌を標的とするための放射線療法および造影剤としてのその使用 | |
| Lattuada et al. | The synthesis and application of polyamino polycarboxylic bifunctional chelating agents | |
| EP0287465B1 (fr) | Ligands cycliques azotés, complexes métalliques formés par ces ligands, compositions de diagnostic contenant ces complexes et procédé de préparation des ligands | |
| CN114364405B (zh) | 作为诊断剂和放射性核素治疗剂的前列腺特异性膜抗原(psma)抑制剂 | |
| US5635157A (en) | Synthesis of 4-substituted-trans-1,2-diaminocyclohexyl polyaminocarboxylate metal chelating agents for the preparation of stable radiometal antibody immunoconjugates for therapy and spect and pet imaging | |
| IL170339A (en) | Methods of radiofluorination of biologically active vectors | |
| EP0499501B1 (fr) | Nouveaux ligands macrocycliques azotés, procédé de préparation, complexes polymétalliques, composition de diagnostic et thérapeutique | |
| KR20160079887A (ko) | 양전자 방출 단층 촬영용 화합물 | |
| WO1999020626A1 (fr) | Derives d'acide folique | |
| JPH02160789A (ja) | 13,17―プロピオン酸―及びプロピオン酸誘導体―置換ポルフイリン―錯化合物、その製法、これを含有するnmr―、レントゲン―、超音波―、放射線―及び光―診断剤並びに放射線―、光線―及び光―治療剤及びその薬剤の製法 | |
| EP0391766A1 (fr) | Nouveaux ligands macrocycliques azotés, procédé de préparation, complexes métalliques formés par ces ligands, composition de diagnostic et composition thérapeutique les contenant | |
| US20240148721A1 (en) | Discrete peg constructs | |
| JP2009149678A (ja) | 腫瘍画像化化合物 | |
| FR2998298A1 (fr) | Synthese de sels d’imidazo[1,2-a]pyrazin-4-ium pour la synthese du 1,4,7-triazacyclononane (tacn) et de ses derives n- et/ou c-fonctionnalises | |
| AU2020213892B2 (en) | Silicon-fluoride acceptor substituted radiopharmaceuticals and precursors thereof | |
| US20120029177A1 (en) | Heterocycle-amino acid derivatives for targeting cancer tissue and radioactive or non-radioactive labeled compounds thereof | |
| AU2010282334A1 (en) | Single diastereomers of 4-fluoroglutamine and methods fo their preparation and use | |
| WO2002040507A2 (fr) | Nouveaux composes pour des applications a la radioimmunoscintigraphie et/ou a la radioimmunotherapie des cancers | |
| WO2014184503A1 (fr) | Composés dendritiques comprenant un agent chélatant, fluorochrome ou agent de reconnaissance, compositions les comprenant et leurs utilisations | |
| US8454936B2 (en) | Metal chelators and methods of their use | |
| FR2697255A1 (fr) | Nouveaux dérivés bihaptènes liant le technétium, application au diagnostic et à la thérapeutique, kits et réactifs immunologiques les mettant en Óoeuvre. | |
| WO2001052898A1 (fr) | Procedes permettant d'incorporer des chelateurs de metaux a des sites de peptides a terminaison carboxyle | |
| FR3037955A1 (fr) | Ligands polydentates et complexes metalliques | |
| AU2023313368A1 (en) | Silicon-based fluoride acceptor groups for radiopharmaceuticals | |
| Leier | Chemoselective bioconjugation reactions of tyrosine residues for application in PET radiochemistry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A2 Designated state(s): CA JP US |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
| AK | Designated states |
Kind code of ref document: A3 Designated state(s): CA JP US |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
| DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| 122 | Ep: pct application non-entry in european phase | ||
| NENP | Non-entry into the national phase |
Ref country code: JP |
|
| WWW | Wipo information: withdrawn in national office |
Country of ref document: JP |