JP2010514773A - 解離可能な連結を有するフォンウィルブランド因子および第viii因子のポリマー共役体 - Google Patents
解離可能な連結を有するフォンウィルブランド因子および第viii因子のポリマー共役体 Download PDFInfo
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- JP2010514773A JP2010514773A JP2009544123A JP2009544123A JP2010514773A JP 2010514773 A JP2010514773 A JP 2010514773A JP 2009544123 A JP2009544123 A JP 2009544123A JP 2009544123 A JP2009544123 A JP 2009544123A JP 2010514773 A JP2010514773 A JP 2010514773A
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- rfviii
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- factor viii
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- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- PJUIMOJAAPLTRJ-UHFFFAOYSA-N monothioglycerol Chemical compound OCC(O)CS PJUIMOJAAPLTRJ-UHFFFAOYSA-N 0.000 description 1
- UPSFMJHZUCSEHU-JYGUBCOQSA-N n-[(2s,3r,4r,5s,6r)-2-[(2r,3s,4r,5r,6s)-5-acetamido-4-hydroxy-2-(hydroxymethyl)-6-(4-methyl-2-oxochromen-7-yl)oxyoxan-3-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide Chemical compound CC(=O)N[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@H]1[C@H](O)[C@@H](NC(C)=O)[C@H](OC=2C=C3OC(=O)C=C(C)C3=CC=2)O[C@@H]1CO UPSFMJHZUCSEHU-JYGUBCOQSA-N 0.000 description 1
- 125000004370 n-butenyl group Chemical group [H]\C([H])=C(/[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 239000013642 negative control Substances 0.000 description 1
- 229940071846 neulasta Drugs 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 125000004365 octenyl group Chemical group C(=CCCCCCC)* 0.000 description 1
- 125000005069 octynyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C#C* 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- HQQSBEDKMRHYME-UHFFFAOYSA-N pefloxacin mesylate Chemical compound [H+].CS([O-])(=O)=O.C1=C2N(CC)C=C(C(O)=O)C(=O)C2=CC(F)=C1N1CCN(C)CC1 HQQSBEDKMRHYME-UHFFFAOYSA-N 0.000 description 1
- 229960001373 pegfilgrastim Drugs 0.000 description 1
- 229940106366 pegintron Drugs 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000000816 peptidomimetic Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000003285 pharmacodynamic effect Effects 0.000 description 1
- 229960003742 phenol Drugs 0.000 description 1
- 150000004707 phenolate Chemical class 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 229940067107 phenylethyl alcohol Drugs 0.000 description 1
- PDTFCHSETJBPTR-UHFFFAOYSA-N phenylmercuric nitrate Chemical compound [O-][N+](=O)O[Hg]C1=CC=CC=C1 PDTFCHSETJBPTR-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000007981 phosphate-citrate buffer Substances 0.000 description 1
- 150000008105 phosphatidylcholines Chemical class 0.000 description 1
- 150000008104 phosphatidylethanolamines Chemical class 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- SXADIBFZNXBEGI-UHFFFAOYSA-N phosphoramidous acid Chemical group NP(O)O SXADIBFZNXBEGI-UHFFFAOYSA-N 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001983 poloxamer Polymers 0.000 description 1
- 229920000765 poly(2-oxazolines) Polymers 0.000 description 1
- 229920001390 poly(hydroxyalkylmethacrylate) Polymers 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229940068965 polysorbates Drugs 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- SHPKCSFVQGSAJU-SEPHDYHBSA-L potassium fumarate Chemical compound [K+].[K+].[O-]C(=O)\C=C\C([O-])=O SHPKCSFVQGSAJU-SEPHDYHBSA-L 0.000 description 1
- 235000019295 potassium fumarate Nutrition 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000473 propyl gallate Substances 0.000 description 1
- 235000010388 propyl gallate Nutrition 0.000 description 1
- 229940075579 propyl gallate Drugs 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002797 proteolythic effect Effects 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- MUPFEKGTMRGPLJ-ZQSKZDJDSA-N raffinose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO[C@@H]2[C@@H]([C@@H](O)[C@@H](O)[C@@H](CO)O2)O)O1 MUPFEKGTMRGPLJ-ZQSKZDJDSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012142 reagent concentrate Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004366 reverse phase liquid chromatography Methods 0.000 description 1
- 238000004007 reversed phase HPLC Methods 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 108010062729 ristocetin A Proteins 0.000 description 1
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229940001584 sodium metabisulfite Drugs 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000013179 statistical model Methods 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000010254 subcutaneous injection Methods 0.000 description 1
- 239000007929 subcutaneous injection Substances 0.000 description 1
- 125000005017 substituted alkenyl group Chemical group 0.000 description 1
- 125000004426 substituted alkynyl group Chemical group 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005063 tetradecenyl group Chemical group C(=CCCCCCCCCCCCC)* 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- RTKIYNMVFMVABJ-UHFFFAOYSA-L thimerosal Chemical compound [Na+].CC[Hg]SC1=CC=CC=C1C([O-])=O RTKIYNMVFMVABJ-UHFFFAOYSA-L 0.000 description 1
- 229940033663 thimerosal Drugs 0.000 description 1
- 229960003766 thrombin (human) Drugs 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 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
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000005199 ultracentrifugation Methods 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000000196 viscometry Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 238000003260 vortexing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/48—Polymers modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/745—Blood coagulation or fibrinolysis factors
- C07K14/755—Factors VIII, e.g. factor VIII C (AHF), factor VIII Ag (VWF)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/56—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
- A61K47/59—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes
- A61K47/60—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes the organic macromolecular compound being a polyoxyalkylene oligomer, polymer or dendrimer, e.g. PEG, PPG, PEO or polyglycerol
-
- 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
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
Abstract
Description
本出願は、2006年12月27日に出願された米国暫定特許出願第60/877,531号の優先権の利益を主張するものであり、参照することによりその全体が本願明細書に組み込まれる。
POLY1は、第1の水溶性ポリマーであり、
POLY2は、第2の水溶性ポリマーであり、
X1は、第1のスペーサ部分であり、
X2は、第2のスペーサ部分であり、
Hαは、イオン化水素原子であり、
R1は、Hまたは有機ラジカルであり、
R2は、Hまたは有機ラジカルであり、
(a)は、ゼロまたは1のいずれかであり、
(b)は、ゼロまたは1のいずれかであり、
Relは、存在する場合、第1の電子変化基であり、
Re2は、存在する場合、第2の電子変化基であり、
Y1は、OまたはSであり、
Y2は、OまたはSであり、
(vWF/F8)は、フォンウィルブランド因子部分および第VIII因子部分から成る群から選択されるアミン含有の生物活性薬剤の残基である。
HO−CH2CH2O−(CH2CH2O)m´−CH2CH2−OH
式中、(m´)は、典型的にはゼロから約4,000、好ましくは約20から約1,000の範囲である。
−CH2CH2O−(CH2CH2O)m’−CH2CH2−
式中、(m´)は上記で定義される通りである。
CH3O−CH2CH2O−(CH2CH2O)m’−CH2CH2−
式中、(m´)は上述の通りである。
例えば、PEGは、構造
polyaおよびpolybは、(同一または異なる)メトキシポリ(エチレングリコール)等のPEG骨格であり、
R”は、H、メチル、またはPEG骨格等の非反応部分であり、
PおよびQは、非反応連結である。好ましい実施形態において、分岐PEGポリマーは、メトキシポリ(エチレングリコール)2置換リジンである。
−PEG−CO2−PEG−+H2O→−PEG−CO2H+HO−PEG−。
POLY1は、第1の水溶性ポリマーであり、
POLY2は、第2の水溶性ポリマーであり、
X1は、第1のスペーサ部分であり、
X2は、第2のスペーサ部分であり、
Hαは、イオン化水素原子であり、
R1は、Hまたは有機ラジカルであり、
R2は、Hまたは有機ラジカルであり、
(a)は、ゼロまたは1のいずれかであり、
(b)は、ゼロまたは1のいずれかであり、
Relは、存在する場合、第1の電子変化基であり、
Re2は、存在する場合、第2の電子変化基であり、
(FG)は、活性薬剤のアミノ基と反応して、カルバミン酸連結等の解離可能な連結を形成することのできる官能基である。
POLY1は、第1の水溶性ポリマーであり、
POLY2は、第2の水溶性ポリマーであり、
X1は、第1のスペーサ部分であり、
X2は、第2のスペーサ部分であり、
Hαは、イオン化水素原子であり、
R1は、Hまたは有機ラジカルであり、
R2は、Hまたは有機ラジカルであり、
(a)は、ゼロまたは1のいずれかであり、
(b)は、ゼロまたは1のいずれかであり、
Relは、存在する場合、第1の電子変化基であり、
Re2は、存在する場合、第2の電子変化基であり、
Y1は、OまたはSであり、
Y2は、OまたはSであり、
(vWF/F8)は、フォンウィルブランド因子部分および因子VIII部分から成る群から選択されるアミン含有の生物活性薬剤の残基である。
本発明の実施は、特に明記しない限り、有機合成等の従来の技術を採用し、これは、当業者によって理解され、文献に説明されている。以下の実施例において、使用される数字(例えば、量、温度等)に関しては正確性を確保する努力がなされたが、ある程度の実験誤差および偏差を考慮すべきである。特に明記しない限り、温度は摂氏であり、圧力は、海面での大気圧またはその付近である。全ての試薬は、特に明記しない限り、商業的に取得した。全ての産生されたNMRは、Bruker(Billerica,MA)によって製造された300または400MHz NMR分光計から取得した。全ての処理は、ガラスまたはガラス裏打ち容器内で行い、金属含有容器または機器との接触を避ける。
HPLC 高圧液体クロマトグラフィ
hydr 加水分解性
PEG−rVWF ペグ化rVWF
PEGrFVIII ペグ化rFVIII
rVWF 組換えフォンウィルブランド因子
rFVIII 組換えFVIII
SDS−PAGE ドデシル硫酸ナトリウムポリアクリルアミドゲル電気泳動
ペグ化のために使用したrVWF生成物は、チャイニーズハムスター卵巣(CHO)細胞株に由来する、精製されたrVWF調製物であり、従来の精製技術を使用して精製した。
適正な量のVWFタンパク質溶液を解凍し(±30℃の温水を使用)、60mgのタンパク質含有量を有するタンパク質溶液を得た。タンパク質溶液を、新しい無菌化した400mL使い捨てポリプロピレンビーカーに注いだ。必要であれば、タンパク質溶液の温度を、22℃(±1℃)に調節した。必要であれば、タンパク質溶液を、溶液[20mMヘペス(pH7.4)、150mM NaCl、0.5%w/vショ糖]で希釈したか、または0.45mg/mL±0.05mg/mLの濃度を確実にするために濃縮した。0.2mLの試料を保持し、後の濃度検査のために4℃で保存した。タンパク質溶液ビーカーは、オーバーヘッド撹拌機の下に設置され、インペラは、タンパク質溶液中に約3/4下方(つまり、底面から1/4)に下げ、インペラは、60rpm(±2rpm)で攪拌するよう設定された。できる限り混入を防ぐために、ビーカーに覆いをした。
VWF共役体の調製
(40.000ダルトン総ポリマー重量平均分子量)
(「Lvs 40K br長」)
約40,000ダルトンの総ポリマー重量平均分子量を有するポリマー試薬Bを、約20,000ダルトンの代わりに使用した点を除いて、実施例1Aの基本的な手順を繰り返した。
VWF共役体の調製
(60.000ダルトン総ポリマー重量平均分子量)
(「Lvs 60K br長」)
約60,000ダルトンの総ポリマー重量平均分子量を有するポリマー試薬Bを、約20,000ダルトンの代わりに使用した点を除いて、実施例1Aの基本的な手順を繰り返した。
FVIII共役体の調製
(20.000ダルトン総ポリマー重量平均分子量)
(「Lvs 20K br長」)
FVIIIタンパク質溶液(3.23mg/mLタンパク質濃度)を急速に解凍し(5分間室温で温水浴を使用)、1000μL分注器を使用して、約3.1mLの温めたFVIIIタンパク質溶液を、50mL円錐管に入れた。
FVIII共役体の調製
(20.000ダルトン総ポリマー重量平均分子量)
(「Lys 20K br長-再合成」)
実施例2Aの合成手順を繰り返した。再度手順を行った後、ポリマー対第VIII因子の比率における幾らかの差が、再合成した共役体と実施例2Aのものとの間で観察されたことが認められ、これは、異なる分析方法の使用が原因であると説明され得る。しかしながら、ヨウ化バリウム染色による調査では、遊離ポリマー試薬Bは、いかなる試料溶液中にも残らなかった。
FVIII共役体の調製
(40.000ダルトン総ポリマー重量平均分子量)
(「Lys 40K br長」)
約40,000ダルトンの総ポリマー重量平均分子量を有するポリマー試薬Bを、約20,000ダルトンの代わりに使用した点を除いて、実施例1Aの基本的な手順を繰り返した。
FVIII共役体の調製
(40,000ダルトン総ポリマー重量平均分子量)
(「Lvs 40K br長−再合成」)
実施例2Bの合成手順を繰り返した。再度手順を行ったところ、ポリマー対第VIII因子の比率における幾らかの差が、再合成した共役体と実施例2Aのものとの間で観察されたことが認められ、これは、異なる分析方法が原因であると説明され得る。しかしながら、ヨウ化バリウム染色による調査では、遊離ポリマー試薬Bは、いかなる試料溶液中にも残らなかった。
FVIII共役体の調製
(60.000ダルトン総ポリマー重量平均分子量)
(「Lvs 60K br長」)
約60,000ダルトンの総ポリマー重量平均分子量を有するポリマー試薬Bを、約20,000ダルトンの代わりに使用した点を除いて、実施例2Aの基本的な手順を繰り返した。
vWF共役体の調製
(20.000ダルトン総ポリマー重量平均分子量)
(「Lvs 20K br短」)
(175mL)のフォンウィルブランド因子(「VWF」)溶液(20mMヘペス中0.344mg/mL、150mM NaCl、0.5%ショ糖、pH7.4)を室温に解凍させた。7.7mLの2mM HCl中に新たに溶解した、約20,000ダルトンの総ポリマー重量平均分子量(つまり、各ポリマー「アーム」の重量平均分子量の和)を有する175モル比(VWFと比べて)のポリマー試薬A(766.3mg)を、VWF溶液中にゆっくりとピペットした。混合物は、室温で2時間、振盪機上で緩やかに振盪させた。水中1.8mLの1Mグリシンを添加することによって反応停止し、室温でさらに3時間、振盪機上で緩やかに振盪させた。溶液は、0.5wt%ショ糖とともに、pH6.10での175mLのMES Bufferをゆっくりと添加することによって希釈した。溶液を緩やかな回旋で良く混合させ、次いで、4℃で一晩保存した。次いで、溶液中の非結合ポリマー試薬Aをイオン交換クロマトグラフィで除去した。下記のクロマトグラムを参照されたい。結果として生じた共役体は、SDS−PAGEによって特徴付けした。アニオン交換クロマトグラフィ後のクロマトグラムを図3Aに提供する。図3Bおよび図3Cは、それぞれ還元および非還元条件下における、SDS−PAGE分析後のゲルを示す。
vWF共役体の調製
(40,000ダルトン総ポリマー重量平均分子量)
(「Lvs 40K br短」)
一定分量(175mL)のフォンウィルブランド因子(「VWF」)溶液(60.2mgタンパク質含有量)を室温に解凍させた。13.7mLの2mM HCl中に新たに溶解した、約40,000ダルトンの総ポリマー重量平均分子量(つまり、各ポリマー「アーム」の重量平均分子量の和)を有する135モル比(VWFと比べて)のポリマー試薬A(1.374g)を、VWF溶液中にゆっくりとピペットした。混合物は、室温で3時間、振盪機上で緩やかに振盪させた。水中945μLの2Mグリシンを添加することによって反応を停止し、室温でさらに3時間、振盪機上で緩やかに振盪させた。溶液は、0.5wt%ショ糖とともに、pH6.10での175mLの20mM MES Bufferをゆっくりと添加することによって希釈した。溶液を緩やかな回旋で良く混合させ、次いで、4℃で一晩保存した。次いで、溶液中の非結合ポリマー試薬Aをイオン交換クロマトグラフィで除去した。対応するクロマトグラムは図4Aを参照されたい。
vWF共役体の調製
(60,000ダルトン総ポリマー重量平均分子量)
(「Lvs 60K br短」)
一定分量(175mL)のフォンウィルブランド因子(「VWF」)溶液(60.2mgタンパク質含有量)を室温に解凍させた。13.7mLの2mM HCl中に新たに溶解した、約60,000ダルトンの総ポリマー重量平均分子量(つまり、各ポリマー「アーム」の重量平均分子量の和)を有する150モル比(VWFと比べて)のポリマー試薬A(2.406g)を、VWF溶液中にゆっくりとピペットした。混合物は、室温(22℃)で3時間、振盪機上で緩やかに振盪させた。水中875μLの2Mグリシンを添加することによって反応を停止し、室温でさらに3時間、振盪機上で緩やかに振盪させた。溶液は、0.5wt%ショ糖とともに、pH6.10での175mLの20mM MES Bufferをゆっくりと添加することによって希釈した。溶液を緩やかな回旋で良く混合させ、次いで、4℃で一晩保存した。次いで、溶液中の遊離PEGをイオン交換クロマトグラフィで除去した。対応するクロマトグラムは図4Bを参照されたい。
第VIII因子共役体の調製
(20.000ダルトン総ポリマー重量平均分子量)
(「Lvs 20K br短」)
第VIII因子タンパク質溶液(3.23mg/mLタンパク質濃度)を、急速に解凍し(室温5分間の温水浴を使用)、165μLの温めたFVIIIタンパク質溶液を、1mL微小遠心分離管に入れた。微小遠心分離管を、標準的な氷浴(溶液は凍結すべきでないため、ドライアイスではない)に入れることによって、冷却した第VIII因子タンパク質溶液を形成した。
第VIII因子共役体の調製
(40.000ダルトン総ポリマー重量平均分子量)
(「Lvs 40K br短」)
約40,000ダルトンの総ポリマー重量平均分子量を有するポリマー試薬Aを、約20,000ダルトンの代わりに使用した点を除いて、実施例4Aの基本的な手順を繰り返した。
第VIII因子共役体の調製
(40.000ダルトン総ポリマー重量平均分子量)
(「Lys 40K br短−再合成」)
(a)約40,000ダルトンの総ポリマー重量平均分子量を有するポリマー試薬Aを、約20,000ダルトンの代わりに使用し、(b)第VIII因子と比べて150のモル過剰のポリマー試薬を共役ステップに使用し、5mgのポリマー試薬Aを、きれいな1mL微小遠心分離管に入れ、50μLの2mM HCl中で溶解した点を除いて、実施例4Aの基本的な手順を繰り返した。溶液を5秒間ボルテックスし、次いで10秒間遠心分離して、PEGを完全に溶解する。全50μLのPEG溶液を冷却したFVIIIに添加し、室温で1時間ロッカープレート上に置く。21.5μLの50mMグリシンで反応停止する。室温で20分間振盪させ続ける。
第VIII因子共役体の調製
(60,000ダルトン総ポリマー重量平均分子量)
(「Lvs 60K br短」)
約60,000ダルトンの総ポリマー重量平均分子量を有するポリマー試薬Aを、約20,000ダルトンの代わりに使用した点を除いて、実施例4Aの基本的な手順を繰り返した。
ペグ化rVWFの体外および体内実験
ドデシル硫酸ナトリウムポリアクリルアミドゲル電気泳動(SDS−PAGE)を、この実施例5に説明したような還元条件下で行い、続いて、銀染色法(図7、パネA)およびクーマシー染色法(図7、パネルB)を行った。還元条件下で、成熟rVWFは、150キロダルトンまで下がるいくらかの微量バンドとともに、約260キロダルトンのMWを有する顕著な単一バンド(モノマー)として現れた。ゲルがポリクローナル抗ヒトVWF抗体で免疫ブロットされた場合、図7パネルCに示すように、rVWFモノマーは、異なるMW標準物質の使用に起因して、280キロダルトンより明らかに高いMWを示す。未変性rVWF133Plは、いくらかの微量非関連分解バンドとともに、抗VWF免疫ブロットにおいて単一VWFモノマーとして現れた。多量体組成物は、多量体構造の完全性を示すため、およびサテライトまたは他の分解バンドが発生しなかったことを確認するために、高分解能ゲルを使用して非還元アガロースゲル電気泳動で調査した(図7、パネルD)。未変性rVWF133Plの解析データを表1に提供する。
*分子当たりのPEG数は、クーマシー染色の還元SDS−PAGEを分析し、続いてゲル走査分析によって計数した。
**分子当たりのPEG数は、プロナーゼ/アンモニウムフェロチオシアネート方法で決定した。
PEG−rVWFの機能パラメータ:VWFの異なる生物学的機能を、異なるパラメータによって特徴付けた。VWF:CB、VWF:RCoおよびVWF:FVIIIBは、止血の第1段階の1 つであるVWF媒介の血小板粘着に必要とされる、コラーゲンおよび血小板結合部位の完全性を特徴付けるために測定した。VWF:FVIIIB能力および親和性は、VWFのシャペロン機能に必要とされる、FVIII−結合部位の有効性を説明する。表3は測定した値を要約し、一方、計算した比率および特異的活性を表4に要約する。
表8に示すように、全てのペグ化rVWF候補が、同時注入rFVIIIに対する用量調節AUCを統計的に有意に増加させた。FVIII半減期は、全ての候補によって有意に変化しなかった。平均滞留時間は、1.2から2.0倍に上昇したが、有意性は、使用した統計的モデルでは計算することができなかった。
ペグ化FVIIIの体外および体内実験
未変性組換えFVIIIは、Baxter AGの認可された凍結乾燥薬物製品である、アドベイトrAHF−PFM[抗血友病因子(組換え)血漿/アルブミンを含まない方法、バルク原体]である。このrFVIIIバルク物質は、50mMヘペス、5mM CaCl2、350mM NaClおよびpH6.9に調節した0.1%ポリソルベート80の緩衝液中で処方した。このrFVIIIの分析データを表9に示す。タンパク質含有量は、BCAアッセイ(Pierce,Rockford,IL,USA)を使用して決定して、特異的活性は、FVIII発色活性(IU)/タンパク質(mg)の比率で表す。rFVIIIバルクは、rFVIIIの2.3μg未満VWF:Ag/1000IUを含有した。還元条件下で行ったSDS−PAGEと、続くポリクローナル抗ヒトFVIII抗体での免疫ブロットは、FVIIIの完全なドメイン構造を示した(図26)。
*分子当たりのPEG数は、比色分析決定を使用して決定した。
**分子当たりのPEG数は、HPLC方法によって決定した。
−:利用可能なデータなし
残りの遊離PEGは、非還元SDS−PAGEのヨウ化バリウム染色によって決定した。
表11:ペグ化rFVIII共役体の定量パラメータ
VWFに対するFVIII親和性は、液相中の固定化された未変性rVWF(rVWF133P1)および試料(未変性rFVIIIまたはPEG−rFVIII共役体)を用いた表面プラズモン共鳴技術によるVWF−FVIII親和性の測定に関して上述したように、Biacore3000システムを使用して決定した。VWFおよびFVIII間の均一な1:1相互作用を想定して、会合および解離定数を、Biacoreの「Bioevaluation」プログラムのラングミュアモデルを使用して決定した。VWFとの親和性定数(KD)に対して、未変性およびPEG−rFVIII間の関連する差異は見出せなかった。PEG−rFVIII共役体は、恐らく、ペグ化に起因するrFVIIIの一部の構造変化の理由により、この相互作用モデルまたは任意の他の相互作用モデルとの最適な適合をもたらさなかったので、およその評価のみを行うことが可能であった。測定値および特異的活性の比率を表12に要約する。
表12:PEG−rFVHI共役体の特異的活性
di et al.(1981)Thrombosis Research 21:695を参照されたい。複合体のアセンブリおよび活性の動態は、FVIIIによって制御され、FVIII分子の機能的完全性の高感度な尺度である。PEG−rFVIII共役体ならびにFVIII対照および未変性rFVIIIを、測定したFVIII発色活性に従って1IU/mlまで希釈し、FIXa、FX、PL−小胞および塩化カルシウムの調製混合物に添加した。最大30分までの規定の間隔で、副試料を取り除き、生成されたFXaを、FIXa補助因子活性アッセイに関して上述したように決定した。しかしながら、全てのrFVIII共役体を1IU/mlまで希釈したとしても、達成される最大FXaには僅かな差があった(表13)。したがって、FX活性化の時間経過の良好な目視比較のために、FXa活性を、最大FXa活性のパーセントで表した(図30)。
表13:トロンビン活性化なしでのFIXa補助因子活性の定量パラメータ
Claims (36)
- 以下の構造を有する化合物であって、
POLY1は、第1の水溶性ポリマーであり、
POLY2は、第2の水溶性ポリマーであり、
X1は、第1のスペーサ部分であり、
X2は、第2のスペーサ部分であり、
Hαは、イオン化水素原子であり、
R1は、Hまたは有機ラジカルであり、
R2は、Hまたは有機ラジカルであり、
(a)は、ゼロまたは1のいずれかであり、
(b)は、ゼロまたは1のいずれかであり、
Re1は、存在する場合、第1の電子変化基であり、
Re2は、存在する場合、第2の電子変化基であり、
Y1は、OまたはSであり、
Y2は、OまたはSであり、
(vWF/F8)は、フォンウィルブランド因子部分および第VIII因子部分から成る群から選択されるアミン含有の生物活性薬剤の残基である、化合物。 - 前記アミン含有の生物活性薬剤は、フォンウィルブランド因子部分である、請求項1に記載の化合物。
- 前記フォンウィルブランド因子部分は、ヒト組換えフォンウィルブランド因子である、請求項2に記載の化合物。
- 前記アミン含有の生物活性薬剤は、第VIII因子部分である、請求項1に記載の化合物。
- 前記第VIII因子部分は、ヒト組換えBドメイン欠失第VIII因子である、請求項4に記載の化合物。
- 前記第VIII因子部分は、ヒト組換え全長第VIII因子である、請求項5に記載の化合物。
- 前記第1の水溶性ポリマーは、ポリ(アルキレンオキシド)であり、前記第2の水溶性ポリマーは、ポリ(アルキレンオキシド)である、請求項1に記載の化合物。
- 前記第1の水溶性ポリマーは、10,000ダルトンから85,000ダルトンの重量平均分子量を有し、前記第2の水溶性ポリマーは、10,000ダルトンから85,000ダルトンの重量平均分子量を有する、請求項1に記載の化合物。
- 前記第VIII因子部分は、組換えBドメイン欠失第VIII因子である、請求項12に記載の化合物。
- 前記第VIII因子部分は、ヒト組換え全長第VIII因子である、請求項12に記載の化合物。
- 前記第VIII因子部分は、組換えBドメイン欠失第VIII因子である、請求項15に記載の化合物。
- 前記第VIII因子部分は、ヒト組換え全長第VIII因子である、請求項15に記載の化合物。
- ポリマー試薬と前記生物活性薬剤との間の共有結合を形成するのに適切な条件下で、フォンウィルブランド因子部分および第VIII因子部分から成る群から選択されるアミン含有の生物活性薬剤に、前記ポリマー試薬を接触させるステップを含む方法であって、前記ポリマー試薬は、以下の構造を有し、
POLY1は、第1の水溶性ポリマーであり、
POLY2は、第2の水溶性ポリマーであり、
X1は、第1のスペーサ部分であり、
X2は、第2のスペーサ部分であり、
Hαは、イオン化水素原子であり、
R1は、Hまたは有機ラジカルであり、
R2は、Hまたは有機ラジカルであり、
(a)は、ゼロまたは1のいずれかであり、
(b)は、ゼロまたは1のいずれかであり、
Re1は、存在する場合、第1の電子変化基であり、
Re2は、存在する場合、第2の電子変化基であり、
(FG)は、活性薬剤のアミノ基と反応して、解離可能な連結を形成することが可能な官能基である、方法。 - 前記解離可能な連結は、カルバミン酸連結である、請求項18に記載の方法。
- 前記アミン含有の生物活性薬剤は、フォンウィルブランド因子部分である、請求項20に記載の方法。
- 前記フォンウィルブランド因子部分は、ヒト組換えフォンウィルブランド因子である、請求項21に記載の方法。
- 前記アミン含有の生物活性薬剤は、第VIII因子部分である、請求項20に記載の方法。
- 前記第VIII因子部分は、ヒト組換えBドメイン欠失第VIII因子である、請求項23に記載の方法。
- 前記第VIII因子部分は、ヒト組換え全長第VIII因子である、請求項24に記載の方法。
- 請求項1から17のいずれか1項に記載の化合物および医薬的に許容される賦形剤を含む、組成物。
- 請求項26に記載の組成物を、患者に投与するステップを含む、方法。
- 少なくとも1つの第VIII因子部分に結合している請求項2に記載の化合物を含む構築物。
- フォンウィルブランド因子分子の体内半減期と比較して増加する前記体内半減期を有する、請求項28に記載の構築物。
- 前記構築物に結合していない第VIII因子部分の体内半減期と比較して増加する前記体内半減期を有する、請求項28に記載の構築物。
- フォンウィルブランド因子分子の体内半減期と比較して増加する前記体内半減期を有する、請求項2に記載の化合物。
- 前記体内半減期は、フォンウィルブランド因子分子の前記体内半減期と比較して、少なくとも1.5倍に増加する、請求項31に記載の化合物。
- 前記体内半減期は、フォンウィルブランド因子分子の前記体内半減期と比較して、少なくとも2倍に増加する、請求項31に記載の化合物。
- FVIII分子の体内半減期と比較して増加する前記体内半減期を有する、請求項4に記載の化合物。
- 前記体内半減期は、FVIII分子の前記体内半減期と比較して、少なくとも1.5倍に増加する、請求項34に記載の化合物。
- 前記体内半減期は、FVIII分子の前記体内半減期と比較して、少なくとも2倍に増加する、請求項34に記載の化合物。
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