WO2015181504A1 - Copolymeres de formule (i) et utilisations - Google Patents
Copolymeres de formule (i) et utilisations Download PDFInfo
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- WO2015181504A1 WO2015181504A1 PCT/FR2015/051408 FR2015051408W WO2015181504A1 WO 2015181504 A1 WO2015181504 A1 WO 2015181504A1 FR 2015051408 W FR2015051408 W FR 2015051408W WO 2015181504 A1 WO2015181504 A1 WO 2015181504A1
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- 229920001577 copolymer Polymers 0.000 title claims abstract description 87
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 24
- 229920002683 Glycosaminoglycan Polymers 0.000 claims abstract description 19
- 150000003904 phospholipids Chemical class 0.000 claims abstract description 18
- 239000003446 ligand Substances 0.000 claims abstract description 15
- 239000001257 hydrogen Substances 0.000 claims abstract description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims abstract description 14
- 238000003384 imaging method Methods 0.000 claims abstract description 11
- -1 n-nonyl Chemical group 0.000 claims description 38
- 239000000178 monomer Substances 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 24
- 102000004169 proteins and genes Human genes 0.000 claims description 24
- 108090000623 proteins and genes Proteins 0.000 claims description 24
- 230000001225 therapeutic effect Effects 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 22
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 21
- 229930195712 glutamate Natural products 0.000 claims description 20
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims description 19
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- 229920000669 heparin Polymers 0.000 claims description 17
- PORPENFLTBBHSG-MGBGTMOVSA-N 1,2-dihexadecanoyl-sn-glycerol-3-phosphate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCC PORPENFLTBBHSG-MGBGTMOVSA-N 0.000 claims description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 13
- 229960002897 heparin Drugs 0.000 claims description 13
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 10
- 150000001345 alkine derivatives Chemical class 0.000 claims description 10
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 10
- 229930195729 fatty acid Natural products 0.000 claims description 10
- 239000000194 fatty acid Substances 0.000 claims description 10
- 150000004665 fatty acids Chemical class 0.000 claims description 10
- UKODFQOELJFMII-UHFFFAOYSA-N pentamethyldiethylenetriamine Chemical compound CN(C)CCN(C)CCN(C)C UKODFQOELJFMII-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 108010039209 Blood Coagulation Factors Proteins 0.000 claims description 8
- 102000015081 Blood Coagulation Factors Human genes 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
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- VMQMZMRVKUZKQL-UHFFFAOYSA-N Cu+ Chemical compound [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 claims description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
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- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
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- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 claims description 4
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- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- 150000003573 thiols Chemical class 0.000 claims description 3
- LRYZPFWEZHSTHD-HEFFAWAOSA-O 2-[[(e,2s,3r)-2-formamido-3-hydroxyoctadec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium Chemical class CCCCCCCCCCCCC\C=C\[C@@H](O)[C@@H](NC=O)COP(O)(=O)OCC[N+](C)(C)C LRYZPFWEZHSTHD-HEFFAWAOSA-O 0.000 claims description 2
- 102000009027 Albumins Human genes 0.000 claims description 2
- 108010088751 Albumins Proteins 0.000 claims description 2
- 101000651439 Homo sapiens Prothrombin Proteins 0.000 claims description 2
- 108090001061 Insulin Proteins 0.000 claims description 2
- 102100023915 Insulin Human genes 0.000 claims description 2
- 101800004937 Protein C Proteins 0.000 claims description 2
- 102000017975 Protein C Human genes 0.000 claims description 2
- 101800001700 Saposin-D Proteins 0.000 claims description 2
- 102000015395 alpha 1-Antitrypsin Human genes 0.000 claims description 2
- 108010050122 alpha 1-Antitrypsin Proteins 0.000 claims description 2
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- 239000004019 antithrombin Substances 0.000 claims description 2
- 229960000610 enoxaparin Drugs 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- KANJSNBRCNMZMV-ABRZTLGGSA-N fondaparinux Chemical compound O[C@@H]1[C@@H](NS(O)(=O)=O)[C@@H](OC)O[C@H](COS(O)(=O)=O)[C@H]1O[C@H]1[C@H](OS(O)(=O)=O)[C@@H](O)[C@H](O[C@@H]2[C@@H]([C@@H](OS(O)(=O)=O)[C@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O[C@@H]4[C@@H]([C@@H](O)[C@H](O)[C@@H](COS(O)(=O)=O)O4)NS(O)(=O)=O)[C@H](O3)C(O)=O)O)[C@@H](COS(O)(=O)=O)O2)NS(O)(=O)=O)[C@H](C(O)=O)O1 KANJSNBRCNMZMV-ABRZTLGGSA-N 0.000 claims description 2
- 229960001318 fondaparinux Drugs 0.000 claims description 2
- 229940106780 human fibrinogen Drugs 0.000 claims description 2
- 229940125396 insulin Drugs 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 claims description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 229960000899 nadroparin Drugs 0.000 claims description 2
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 15
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
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- QZOJRSAENHTURL-UHFFFAOYSA-N 1-azidobutane Chemical compound CCCCN=[N+]=[N-] QZOJRSAENHTURL-UHFFFAOYSA-N 0.000 description 8
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- IYYIVELXUANFED-UHFFFAOYSA-N bromo(trimethyl)silane Chemical compound C[Si](C)(C)Br IYYIVELXUANFED-UHFFFAOYSA-N 0.000 description 1
- ODWXUNBKCRECNW-UHFFFAOYSA-M bromocopper(1+) Chemical compound Br[Cu+] ODWXUNBKCRECNW-UHFFFAOYSA-M 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- KMGBZBJJOKUPIA-UHFFFAOYSA-N butyl iodide Chemical compound CCCCI KMGBZBJJOKUPIA-UHFFFAOYSA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 1
- 229940059329 chondroitin sulfate Drugs 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
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- 229940088598 enzyme Drugs 0.000 description 1
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- 229940012413 factor vii Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229960002989 glutamic acid Drugs 0.000 description 1
- 150000002306 glutamic acid derivatives Chemical class 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000002628 heparin derivative Substances 0.000 description 1
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- KXCLCNHUUKTANI-RBIYJLQWSA-N keratan Chemical compound CC(=O)N[C@@H]1[C@@H](O)C[C@@H](COS(O)(=O)=O)O[C@H]1O[C@@H]1[C@@H](O)[C@H](O[C@@H]2[C@H](O[C@@H](O[C@H]3[C@H]([C@@H](COS(O)(=O)=O)O[C@@H](O)[C@@H]3O)O)[C@H](NC(C)=O)[C@H]2O)COS(O)(=O)=O)O[C@H](COS(O)(=O)=O)[C@@H]1O KXCLCNHUUKTANI-RBIYJLQWSA-N 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- ANPWLBTUUNFQIO-UHFFFAOYSA-N n-bis(phenylmethoxy)phosphanyl-n-propan-2-ylpropan-2-amine Chemical compound C=1C=CC=CC=1COP(N(C(C)C)C(C)C)OCC1=CC=CC=C1 ANPWLBTUUNFQIO-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000002357 osmotic agent Substances 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- WTJKGGKOPKCXLL-RRHRGVEJSA-N phosphatidylcholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCCC=CCCCCCCCC WTJKGGKOPKCXLL-RRHRGVEJSA-N 0.000 description 1
- 150000008104 phosphatidylethanolamines Chemical class 0.000 description 1
- 230000036470 plasma concentration Effects 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 238000002600 positron emission tomography Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
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- 230000006337 proteolytic cleavage Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- AWUCVROLDVIAJX-GSVOUGTGSA-N sn-glycerol 3-phosphate Chemical group OC[C@@H](O)COP(O)(O)=O AWUCVROLDVIAJX-GSVOUGTGSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- WWUZIQQURGPMPG-KRWOKUGFSA-N sphingosine Chemical compound CCCCCCCCCCCCC\C=C\[C@@H](O)[C@@H](N)CO WWUZIQQURGPMPG-KRWOKUGFSA-N 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 239000003826 tablet Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
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- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 150000003852 triazoles Chemical group 0.000 description 1
- UCPYLLCMEDAXFR-UHFFFAOYSA-N triphosgene Chemical compound ClC(Cl)(Cl)OC(=O)OC(Cl)(Cl)Cl UCPYLLCMEDAXFR-UHFFFAOYSA-N 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/10—Alpha-amino-carboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/36—Blood coagulation or fibrinolysis factors
- A61K38/37—Factors VIII
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/46—Hydrolases (3)
- A61K38/48—Hydrolases (3) acting on peptide bonds (3.4)
- A61K38/482—Serine endopeptidases (3.4.21)
- A61K38/4846—Factor VII (3.4.21.21); Factor IX (3.4.21.22); Factor Xa (3.4.21.6); Factor XI (3.4.21.27); Factor XII (3.4.21.38)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/40—Polyamides containing oxygen in the form of ether groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/48—Polymers modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y304/00—Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
- C12Y304/21—Serine endopeptidases (3.4.21)
- C12Y304/21021—Coagulation factor VIIa (3.4.21.21)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y304/00—Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
- C12Y304/21—Serine endopeptidases (3.4.21)
- C12Y304/21022—Coagulation factor IXa (3.4.21.22)
Definitions
- the invention relates to a copolymer of following formula (I):
- x is an integer between 10 and 250, preferably between 40 and 120,
- y is an integer between 4 and 100, preferably between 10 and 100, preferably between 19 and 60, preferably between 20 and 60,
- z is an integer between 0 and (100-y), preferably equal to 0,
- R represents an alkyl radical having from 1 to 10 carbon atoms, a phospholipid, a glycosaminoglycan, in particular heparin, or an affinity ligand, and
- R ' represents hydrogen, -CH 2 -C ⁇ CH, -CH 2 -1 M -1, 2,3-triazole, -CH 2 -CH 2 -CH 2 -SR ", where R "represents an alkyl radical having 1 to 10 carbon atoms, a phospholipid, a glycosaminoglycan, in particular heparin, an affinity ligand or an imaging probe.
- R ' represents a hydrogen.
- Biological active principles are active ingredients widely used in therapy. These active ingredients are sometimes used for the treatment of patients for long periods, sometimes even throughout the patient's life, which involves repeated administrations at a greater or lesser frequency. These repeated administrations often cause considerable inconvenience for the patient to whom the active ingredient is administered. In general, high doses and high frequency of administration are required to achieve and maintain the desired therapeutic or prophylactic effect, which is both patient-restrictive and expensive. It has been shown that most biological active principles are sensitive to degradation, for example to proteolytic cleavages, which can generate the formation of degradation products devoid of therapeutic or prophylactic effect. This degradation can significantly reduce the half-life and / or bioavailability of biological active ingredients.
- compositions which make it possible to increase the half-life and / or the bioavailability of the biological active principles, compared with the pharmaceutical compositions. current. It would be particularly advantageous to have pharmaceutical compositions in which the biological active principles have improved stability and are less sensitive to degradation, compared to current compositions.
- compositions or formulations which make it possible to increase the stability of the biological active principles in the body and to control their release over time. This would indeed reduce the frequency of administration of said formulations, and thus improve the quality of life of patients and facilitate the work of practitioners.
- the present invention aims to provide means for stabilizing biological active ingredients in formulations administered to a patient, including parenterally, and control their release over time. Such means make it possible in particular to reduce the frequency of administration of said formulations.
- x is an integer between 10 and 250, preferably between 40 and 120,
- y is an integer between 4 and 100, preferably between 10 and 100, preferably between 19 and 60, preferably between 20 and 60,
- z is an integer between 0 and (100-y), preferably equal to 0,
- R represents an alkyl radical having from 1 to 10 carbon atoms, a phospholipid, a glycosaminoglycan, in particular heparin, or an affinity ligand, and
- R ' represents a hydrogen, a group -CH 2 -C ⁇ C, a group -CH 2 -1 H-1, 2,3-triazole, a group -CH 2 -CH 2 -CH 2 -SR ", where R "represents an alkyl radical having 1 to 10 carbon atoms, a phospholipid, a glycosaminoglycan, in particular heparin, an affinity ligand, an imaging probe.
- R ' represents a hydrogen.
- R ' represents the -CH 2 -C ⁇ C group.
- copolymer according to the invention Such a copolymer is called “copolymer according to the invention” in the present application.
- such copolymers are capable of forming micelles encapsulating biological active principles, especially proteins, preferably therapeutic proteins, in a formulation. These micelles have the effect of stabilizing said biological active principles.
- the copolymer according to the invention is a block copolymer. It is composed of two types of blocks:
- R ' is a group -CH 2 -CH 2 -CH 2 -SR ", we speak of monomers derived from thioetherated glutamate In the case where R' represents a hydrogen, we speak of glutamate monomers.
- the PEG block is composed of x ethylene glycol monomers, x being an integer between 10 and 250, preferably between 40 and 120, in particular equal to 45 or 1 14.
- the PEG block composed of 45 monomers of ethylene glycol has a total molecular weight of 2000 g / mol, and that of 1 14 ethylene glycol monomers has a total molecular weight of 5000 g / mol.
- the copolymer according to the invention comprises y monomers derived from triazole glutamate, y being an integer between 4 and 100, preferably between 10 and 100, preferably between 19 and 60, preferably between 20 and 60, preferably being equal to 19 or 21.
- the copolymer according to the invention may comprise monomers of glutamate or of monomers derived from thioetherated glutamate, z being an integer between 0 and (100-y). In a particular embodiment z is equal to 0.
- alkyl refers to a linear hydrocarbon radical, cyclic or branched, comprising from 1 to 10 carbon atoms.
- the alkyl radical having 1 to 10 carbon atoms is especially chosen from methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, isopentyl and neopentyl radicals. , n-hexyl, n-nonyl, 2-methylcyclopentyl and 1-cyclohexylethyl.
- the alkyl radical has from 4 to 9 carbon atoms, and is chosen from n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, isopentyl, neopentyl and n-hexyl radicals. -Nonyl, 2-methylcyclopentyl and 1-cyclohexylethyl.
- phospholipid refers to an amphiphilic lipid, i.e. consisting of a hydrophilic polar "head” and two hydrophobic aliphatic "tails".
- the phospholipid is chosen from:
- phosphoglycerides whose heads consist of a glycerol 3-phosphate residue esterified by a polar molecule, and whose two tails are the aliphatic chains of two fatty acids;
- sphingomyelins consisting of sphingosine, a fatty acid, a phosphate and a nitrogenous alcohol.
- the phosphoglyceride is preferably selected from phosphatidic acid, phosphatidylcholine, phosphatidylethanolamine and phosphatidylserine.
- glycosaminoglycans denotes linear polysaccharide polymers of the disaccharide type formed of a hexose linked to a hexosamine. Glycosaminoglycans are important constituents of extracellular matrices of connective tissues. Among the glycosaminoglycans, there may be mentioned preferably chondroitin sulfate, dermatan sulfate, keratan sulfate, hyaluronic acid, heparan sulfate and heparin.
- heparin refers to natural heparin and low molecular weight heparins (LMWH).
- Natural heparin is a mixture of different polymers consisting essentially of the following trisulfated disaccharide units: L-iduronic acid-2-O-sulfate and D-glucosamine-N-sulfate, 6-O-sulfate. Heparin is one of the glycosaminoglycans.
- LMWHs are complex sulfonated and glycosylated polymers made by chemical or enzymatic depolymerization of heparin.
- ⁇ is chosen from enoxaparin, tinzaparin, nadroparin and fondaparinux (synthetic heparin derivative).
- affinity ligand is meant a molecule that binds in a reversible and specific manner, by non-covalent interactions (for example electrostatic, hydrophobic, or hydrogen bonded interactions) with the biological active ingredient, in particular a therapeutic protein. It may be mentioned, as affinity ligands:
- the affinity ligand is covalently bound to the copolymer of formula (I) by a group which does not bind to the biological active principle.
- imaging probe means a molecule allowing the visualization of information for medical purposes and used in an imaging technique chosen from fluorescence, X-rays, nuclear magnetic resonance, ultrasonic wave reflection, radioactivity, near infra-red or UV-visible spectroscopy, and positron emission tomography. Imaging probes can include, for example, the FluoroProbe® 547H probe, emitting in the visible, or the FluoroProbe® 682 probe, emitting in the near infra-red.
- the radical R present in the block copolymer of formula (I) may be identical or different from monomers derived from triazole glutamate, said monomers being present in number y.
- R is identical for these monomers and it has the same definition each time, or R is different for these monomers and in this case we finally obtain a copolymer with monomers derived from different triazole glutamate.
- the radical R present in the copolymer of formula (I) represents an alkyl radical having from 4 to 9 carbon atoms, a phospholipid or a glycosaminoglycan. More preferably, R is a phospholipid, preferably phosphatidic acid. Phosphatidic acid is a lipid formed by esterification of two fatty acids, preferably saturated, and a phosphoric acid with a glycerol.
- the phosphatidic acid according to the invention is formed by esterification of two fatty acids, preferably saturated, having a carbon chain of 3 to 22 carbon atoms, and a phosphoric acid with a glycerol.
- fatty acid having a carbon chain of 3 to 22 carbon atoms is preferably meant a fatty acid chosen from butyric acid, valeric acid, myristic acid, palmitic acid and stearic acid. and arachidic acid.
- the phosphatidic acid according to the invention is formed by esterification of two butyric acids and a phosphoric acid with a glycerol.
- the phosphatidic acid according to the invention is formed by esterification of two valeric acids and a phosphoric acid with a glycerol.
- R is the phosphatidic acid of the following formula:
- R 1 and R 2 are identical and represent an aliphatic chain of a fatty acid having from 3 to 22 carbon atoms, preferably R 1 and R 2 are each - (CH 2 ) 2 -CH 3 or - (CH 2 ) 3 -CH 3
- the radical R 'present in the block copolymer of formula (I) may be identical or different from the glutamate monomers or thioetherated glutamate derivatives, said monomers being present in z number.
- R ' is identical for these monomers and it has the same definition each time, ie R' is different for these monomers and in this case a copolymer with glutamate monomers and monomers derived from thioetherated glutamate is ultimately obtained.
- the present invention also relates to the use of a copolymer according to the invention for encapsulating one or more proteins, preferably one or more therapeutic proteins.
- the therapeutic proteins are chosen in particular from antibodies, coagulation factors (in particular factors I, II, V, VII, VIIa, VIII, IX, X, XI, XII, XIII and von Willebrand factor), modified coagulation factors.
- H-factor H-factor, ITI (Inter-alpha-trypsin inhibitor), alpha-1 antitrypsin, antithrombin, albumin, fibrinogen, human prothrombin complex, protein C, insulin, interferons and erythropoietins.
- Modified coagulation factor means a fragment of this factor, a protein comprising a fragment of this factor or a mutated factor.
- the therapeutic proteins are coagulation factors, modified or unmodified.
- the therapeutic protein is factor VII, preferably in its activated form, FVIII or FIX.
- copolymers according to the invention indeed make it possible to encapsulate biological active principles, in particular therapeutic proteins, by the formation of polymeric micelles.
- These micelles are easily biodegradable, have a mean diameter of between 10 and 150 nm, and are injectable, especially intravenously.
- the present invention also relates to a pharmaceutical composition
- a pharmaceutical composition comprising, in a pharmaceutically acceptable medium, at least one copolymer of formula (I) according to the invention, and at least one therapeutic protein.
- pharmaceutically acceptable medium is meant a medium compatible with administration in a patient.
- the pharmaceutical composition comprises, in a pharmaceutically acceptable medium, micelles formed by the copolymers of formula (I) according to the invention, said micelles encapsulating therapeutic proteins.
- the pharmaceutical composition preferably comprises a mass ratio therapeutic protein: copolymers of between 1: 100 and 100: 100.
- the pharmaceutical composition is preferably obtained as follows:
- the copolymers are dissolved in water at a concentration of between 5 and 30 mg / ml.
- the solution is vortexed for 5 to 15 minutes and then passed in an ultrasonic bath for 5 to 30 minutes.
- the size of the micelles is controlled by light scattering,
- the micelle solution is added to an aqueous solution of therapeutic protein, in a suitable buffer, at a suitable pH,
- the pharmaceutical composition may contain a stabilizing agent of amino acid or sugar type.
- the pharmaceutical composition may contain an osmotic agent of salt, amino acid or sugar type.
- the pharmaceutical composition can be administered in unit dosage form.
- suitable unit dosage forms include oral forms such as tablets, capsules, powders, granules and oral, sublingual solutions or suspensions; oral administration forms such as aerosols; subcutaneous implants; and forms of transdermal, topical, intraperitoneal, intramuscular, parenteral (intravenous, intradermal, intramuscular or subcutaneous), intrathecal, intranasal and rectal administration.
- a preferred form is by injection or infusion, especially intravenously, in the form of a solution or suspension.
- the pharmaceutical composition according to the invention is adapted for parenteral administration, which comprises a subcutaneous, intradermal, intramuscular and intravenous administration. Intravenous administration is preferred.
- the pharmaceutical composition according to the invention may be in liquid form or in freeze-dried form.
- a pharmaceutical composition is administered to the patient in liquid form.
- the present invention also relates to micelles obtained from copolymers as defined in the present invention, and comprising an encapsulated therapeutic protein.
- the subject of the invention is also a pharmaceutical composition comprising the micelles described above.
- the present invention also relates to a method for preparing a copolymer according to the invention, comprising a step of chemistry Click between the alkyne of formula (II) below:
- x is an integer between 10 and 250, preferably between 40 and 120,
- y is an integer between 4 and 100, preferably between 10 and 100, preferably between 19 and 60, preferably between 20 and 60,
- z is an integer between 0 and (100-y), preferably equal to 0,
- the process for preparing a copolymer according to the invention comprises:
- x is an integer between 10 and 250, preferably between 40 and 120,
- y is an integer between 4 and 100, preferably between 10 and 100, preferably between 19 and 60, preferably between 20 and 60, and
- z is an integer between 0 and (100-y), preferably equal to 0,
- step b) is a step of deprotection of the allyl protecting group of the compound of formula (III), preferably this step comprises the oxidation and cleavage of the allyl protecting group, in order to obtain a copolymer of formula (I) wherein R 'is hydrogen.
- step b) is a step of chemistry Click between the compound of formula (III) and a thiol of formula R "-SH, where R" represents an alkyl radical having from 1 to 10 carbon atoms, a phospholipid, a glycosaminoglycan, an affinity ligand or an imaging probe, in order to obtain a copolymer of formula (I) in which R 'is a group -CH 2 -CH 2 -CH 2 -SR.
- step a) of chemistry Click between the alkyne of formula (II) and the compound of formula R-N3 can also be carried out incompletely, so obtaining a copolymer of formula (I) according to the invention comprising y monomers derived from triazole glutamate, and z glutamate monomers in which R 'represents a group -CH2-C ⁇ CH.
- a Click Chemistry reaction is a simple, high-throughput, stereospecific reaction that is carried out without a protective group and has a thermodynamic driving force greater than or equal to 20 kcal / mol. Click Chemistry reactions link two different units.
- the Click chemistry reaction used in the present invention involves the 1,3-dipolar cycloaddition between an azide function and an alkyne function, to form a substituted 1,2,3-triazole.
- a copper (I) catalyst makes it possible to obtain exclusively the regioisomer 1, 4, and reduces the time and temperature of the reaction. Therefore, according to the process of the present invention, the alkyne copolymer of formula (II), i.e. comprising a triple bond, is reacted with an azide to form a copolymer of formula (III) comprising a triazole ring.
- the copper (I) used in the Click chemistry step according to the invention is present in the form of salts or complexes.
- Such salts are in particular chosen from copper bromide (I) (Cu (I) Br) and copper iodide (I) (Cu (I) 1).
- the complexes are in particular chosen from [Cu (OTf) (C 6 H 6 )], [Cu (Ph 3 P) 3 Br] and [Cu (NCCH 3 ) 4 ] [PF 6 ].
- a nitrogen base such as triethylamine, N-diisopropylethylamine, PMDETA (/ V, / V, / V
- the chemical reaction of Click is carried out in a medium comprising a solvent, preferably the solvent is selected from toluene, tetrahydrofuran, A, N, N-pentamethyldiethylenetriamine, pyridine or 2,6-lutidine.
- the Click chemical reaction according to the invention is carried out in the presence of Cu (I) Br, PMDETA and DMF, at a temperature of between 25 ° and 50 ° C., and for a period of between 15 and 48 hours. More preferably, the Click chemistry step according to the invention is carried out in the presence of Cu (I) Br, PMDETA and DMF, at a temperature of between 30 ° C. and 40 ° C., preferably of about 35 ° C., and for a period of between 20h and 40h, preferably 24 hours.
- the Click chemistry step according to the invention is, in the presence of copper (I), between the alkyne of formula (II) and the azide derivative of phosphatidic acid (compound of formula RN 3 ) of following formula (IV): CH 2 -0 (P0 3 2 )
- the azide derivative of formula (IV) used is especially obtained from diethyl-L-tartrate. It makes it possible to obtain in fine a copolymer comprising a phosphatidic acid as radical R.
- this azide derivative of formula (IV) is obtained by the method described in Smith et al., Modular synthesis of biologically active phosphatidic acid probes using Click chemistry, Molecular Biosystems, 2009, 5, 962-972. In particular, it is obtained by the method described in Scheme 1 of this publication.
- the compound of formula RN 3 can also be azidobutane or azidononane, in order to obtain copolymers of formula (I) in which R is respectively a butyl or nonyl chain.
- the radical R present in the copolymer of formula (I) may be different from monomers derived from triazole glutamate and glutamate monomers.
- a copolymer with different monomers derived from triazole glutamate and various glutamate monomers is finally obtained.
- Such a copolymer of formula (I) can be obtained by the following method:
- the carboxylic acid functions are deprotected according to the protocol described in the publication by Poché et al., Synthesis of novel ⁇ -alkenyl L-glutamate derivatives containing a terminal CC double bond to produce polypeptides with unsaturation, Macromolecules, 1997, 30, 8081 -8084.
- the deprotection step can in particular be a step of oxidation and cleavage of the allyl protecting group, in order to obtain a copolymer of formula (I) in which R 'is a hydrogen.
- This compound is a copolymer of formula (I), where R 'is a group -Ch Ch Ch S-FT with x, y, z, R "and R as described above.
- Step A Preparation of PLG-NCA monomer (Proparayl-L-Glutamate-N-CarboxyAnhydride)
- Step B Ring-opening polymerization of the mPEG-NH initiated PLG-NCA monomer to obtain the mfPEG1 ⁇ -b-PPLG ⁇ copolymer
- Step A Preparation of Azidobutane (C4) and Azidononane (C9)
- iodobutane 10 g, 54 mmol
- sodium azide 5.26 g, 81 mmol
- anhydrous dimethylsulfoxide 100 mL
- the system is placed at 95 ⁇ for 24 hours.
- the solution is cooled and then mixed with a solution of water.
- the aqueous phase is then extracted with diethyl ether.
- the organic phase is then washed with water and then dried with MgSO 4 .
- the diethyl ether is evaporated using a rotary evaporator and azidobutane (4.3 g, 43 mmol, 80% yield) is dried under vacuum.
- C4 copolymer a copolymer of formula (I) according to the invention
- the solution is redissolved in 10 mL of dimethylsulfoxide and the mixture is then dialyzed for 7 days against a 10 mM EDTA solution and then for 5 days against a milli-Q water solution. Finally, the C4 copolymer (0.4735 g) is recovered after lyophilization.
- Step C Click chemistry reaction between the m (PEG) - -b-PPLG ' ⁇ copolymer obtained in Example 1 and the azidononane, to obtain a copolymer of formula (I) according to the invention (hereinafter " C9 copolymer)
- Step A Preparation of the Azide Derivative of Phosphatidic Acid (Product A 1)
- the preparation of the azide derivative of the phosphatidic acid requires six synthesis steps.
- Step 1 The first step of this synthesis is to protect the diol function with an acetal.
- the reaction is schematized as follows:
- the product A1 (4.5 g, 16.5 mmol, 85% yield) is obtained in the form of a yellow oil after purification on a silica chromatographic column (eluent: cyclohexane, front ratio of 0.4, developer : phosphomolybdic acid) and evaporation.
- the second step consists of reducing the ester groups according to alcohol, to obtain the product A2.
- Product A1 (5 g, 18.4 mmol) is diluted in anhydrous THF (16 mL) under argon.
- a solution of UAIH4 (1.4 mg, 36.7 mmol) in anhydrous THF (20 mL) is then prepared at 0 ° C under argon.
- the solution of the product A1 is added dropwise to the solution of LiAIH 4 at ⁇ ' ⁇ .
- the reaction medium is stirred for a further 1 h at ⁇ ' ⁇ and then 1 h at room temperature.
- the solution is then cooled to 0 ° C.
- successive and very slow additions of water (2 mL), 10% NaOH (4 mL) and water (2 mL) are made to stop the reaction.
- the reaction mixture is stirred for an additional 30 minutes and dried over MgSO 4 for 30 minutes.
- the solution is finally filtered and concentrated using a rotary evaporator.
- the third step of the synthesis consists in substituting an alcohol function with an azide function to obtain the product A3.
- product A2 (1.44 g, 7.66 mmol) is suspended in dichloromethane (40 mL). Then, after complete dissolution, the silver oxide (2.66 g, 1.15 mmol), tosyl chloride (1.606 g, 8.42 mmol) and potassium iodide (128 mg, 0.766 mmol) are added to the suspension. The resulting solution is then stirred at room temperature for 2 hours. To to remove the silver oxide, the reaction medium is filtered through a small silica column using ethyl acetate as eluent. The filtrate is concentrated using a rotary evaporator.
- the product A3 (1.3 g, 6.1 mmol, 80% yield) is obtained in the form of an orange liquid after purification on a chromatographic column of silica (eluent: ethyl acetate / cyclohexane v / v 1 / 1, frontal ratio of 0.57, developer: phosphomolybdic acid) and evaporation.
- Step 4 Substitution of the alcohol by a phosphotriester group
- the fourth step of the synthesis consists in substituting the remaining alcohol function with a phosphotriester group, to obtain the product A4.
- the product A3 (850 mg, 3.98 mmol) is dissolved in 20 mL of anhydrous dichloromethane. Then, 7H-tetrazole (26.6 mL, 11.96 mmol, 0.45M) is added and the solution is placed at 0 ° C under argon. Then, the dibenzyldiisopropylphosphoramidite (1.442 mL, 4.38 mmol) is added dropwise. Stirring is continued for 10 minutes at ⁇ ' ⁇ and then for 1 hour at room temperature.
- the solution is again cooled to ⁇ ' ⁇ and the acid n choloroperbenzoic acid (2.06 g, 11.96 mmol, 57% purity) is added to the solution. Stirring is continued for 1 h 30. The reaction is stopped by the addition of a saturated solution of sodium bicarbonate (40 mL). Then, the solution is extracted with dichloromethane (3x100 mL), dried with MgSO 4 and finally concentrated using a rotary evaporator.
- the product A4 (1.5 g, 3.1 mmol, 80% yield) is obtained in the form of a pale yellow oil after purification on a silica chromatographic column (eluent: ethyl acetate / cyclohexane v / v 1: 1, 0.61 frontal ratio, developer: phosphomolybdic acid) and evaporation.
- the fifth step of the synthesis consists in deprotecting the diol function, in order to obtain the product A5.
- the product A4 (1.605 g, 3.39 mmol) is dissolved in methanol (25 mL).
- P-Toluenesulphonic acid (64.5 mg, 0.339 mmol) is added with stirring.
- the solution is stirred at ambient temperature for 15 hours and the reaction is stopped by adding a saturated solution of sodium bicarbonate (30 ml).
- the product is then extracted into chloroform (2 ⁇ 100 mL).
- the organic phase is dried with MgSO 4 and concentrated using a rotary evaporator.
- the product A5 (0.873 g, 2.1 mmol, 55% yield) is obtained in the form of a pale yellow oil after purification on a chromatographic column of silica (eluent: ethyl acetate / cyclohexane v / v 8 / 2, 0.36 frontal ratio, developer: phosphomolybdic acid) and evaporation.
- Step 6 Esterification of the diol with an alkyl chain
- the sixth and final step of the synthesis is to esterify the diol with two alkyl chains, to obtain the product A6.
- a carbon chain C5 was used.
- the product A6 (0.332 g, 0.58 mmol, 49% yield) is obtained in the form of a white solid after purification on a chromatographic column of silica (eluent: ethyl acetate / cyclohexane v / v 1/9 , 0.65 frontal ratio, developer: phosphomolybdic acid) and evaporation.
- Step C Deprotection of the phosphate group to obtain a copolymer of formula (I) according to the invention (hereinafter "phospholipid copolymer deprotected")
- step B 42 mg of the copolymer obtained in step B are dissolved in 1.6 ml of dichloromethane under an argon atmosphere, and bromotrimethylsilane (0.350 ml, 2.6 mmol) is added.
- the reaction medium is then subjected to vigorous stirring for 1 h at room temperature.
- the solvent is then evaporated under vacuum and the product obtained is taken up in 2 mL of methanol and stirred vigorously for 1 h at room temperature.
- the methanol is then evaporated under vacuum. Five cycles of washing with methanol / evaporation are then carried out to remove impurities and recover the phospholipid copolymer deprotected according to the invention.
- a solution of C4 and C9 copolymers is prepared by dissolving 10 mg of C4 or C9 copolymer in 2 mL of milli-Q water. Then, the mixture is vortexed for 5 minutes and finally filtered using a 1 ⁇ filter. 2) Results:
- the C4 copolymer is capable of forming micelles of average diameter between 15 nm and 120 nm. Almost 12% of the micelles formed have an average diameter of 93 nm.
- the C9 copolymer is capable of forming micelles of average diameter between 20 nm and 500 nm. About 15% of the micelles formed have an average diameter of 197 nm.
- the pharmacokinetic profiles of coagulation factors (FVII, FVIII or FIX) encapsulated in micelles of copolymer according to Example 3 are determined after a single intravenous injection in catheterized rats OFA SD (200-250g body weight) at 1 mg / ml. kg, 100 or 200 IU / kg.
- 3 rats are injected with micelles-FVII, micelles-FVIII, or micelles-FIX, 3 rats are injected with FVII, FVIII or FIX alone, and 2 control rats are injected with micelles alone to evaluate the effects. toxicological.
- the plasma is collected several times after injection (before injection, 5min, 1h, 3h, 6h, 24h, 48h, 72h and 96h).
- the blood samples are immediately treated with citrate 10% (sample ratio: citrate equal to 9: 1, 3.13% by weight / volume), centrifuged at 1500 g for 15 minutes at ⁇ ⁇ ' ⁇ , and stored at -20 ' ⁇ before analysis .
- the concentrations of FVII, FVIII or FIX in the plasma are determined by ELISA, and the data analyzed by non-compartmental analysis using the WinNonlin® version 6.3 software.
- the pharmacokinetic parameters are determined. They include the maximum plasma concentration (Cmax), the area under the plasma concentration-time curve at from the time of dose administration to the last measurable concentration (AUCLast), elimination half-life (t1 / 2), volume of distribution (Vd), clearance (Cl) and time of average residence (MRT).
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EP15732816.2A EP3149069A1 (fr) | 2014-05-28 | 2015-05-28 | Copolymeres de formule (i) et utilisations |
CA2950265A CA2950265A1 (fr) | 2014-05-28 | 2015-05-28 | Copolymeres de formule (i) et utilisations |
US15/312,007 US20170079928A1 (en) | 2014-05-28 | 2015-05-28 | Copolymers of formula (i) and uses |
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WO2011056645A2 (fr) * | 2009-10-28 | 2011-05-12 | Massachusetts Institute Of Technology | Poly(propargyl-l-glutamate) et ses dérivés |
CN102942695A (zh) * | 2012-12-04 | 2013-02-27 | 中国科学院长春应用化学研究所 | 聚合物、葡萄糖纳米凝胶、葡萄糖纳米凝胶组合物及其制备方法 |
CN102977362A (zh) * | 2012-11-28 | 2013-03-20 | 中国科学院长春应用化学研究所 | 聚氨基酸嵌段共聚物、其制备方法及温度敏感型水凝胶 |
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- 2015-05-28 JP JP2016569671A patent/JP2017525654A/ja active Pending
- 2015-05-28 CA CA2950265A patent/CA2950265A1/fr not_active Abandoned
- 2015-05-28 WO PCT/FR2015/051408 patent/WO2015181504A1/fr active Application Filing
- 2015-05-28 US US15/312,007 patent/US20170079928A1/en not_active Abandoned
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EP2014308A2 (fr) * | 2007-07-10 | 2009-01-14 | Cordis Corporation | Revêtement utilisant un conjugué anti-thrombotique |
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CN102977362A (zh) * | 2012-11-28 | 2013-03-20 | 中国科学院长春应用化学研究所 | 聚氨基酸嵌段共聚物、其制备方法及温度敏感型水凝胶 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023180457A1 (fr) * | 2022-03-24 | 2023-09-28 | Universite De Rouen-Normandie | Glycérophospholipides synthétiques comprenant au moins une fonction réactive, leur procédé de préparation et leurs utilisations dans différentes applications |
FR3133855A1 (fr) * | 2022-03-24 | 2023-09-29 | Universite De Rouen-Normandie | glycérophospholipides synthétiques comprenant au moins une fonction réactive, leur procédé de préparation et leurs utilisations dans différentes applications |
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EP3149069A1 (fr) | 2017-04-05 |
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