KR100772950B1 - 젖산 중합체 및 이의 제조 방법 - Google Patents
젖산 중합체 및 이의 제조 방법 Download PDFInfo
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- KR100772950B1 KR100772950B1 KR1020037001770A KR20037001770A KR100772950B1 KR 100772950 B1 KR100772950 B1 KR 100772950B1 KR 1020037001770 A KR1020037001770 A KR 1020037001770A KR 20037001770 A KR20037001770 A KR 20037001770A KR 100772950 B1 KR100772950 B1 KR 100772950B1
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- lactic acid
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/88—Post-polymerisation treatment
- C08G63/89—Recovery of the polymer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/08—Peptides having 5 to 11 amino acids
- A61K38/09—Luteinising hormone-releasing hormone [LHRH], i.e. Gonadotropin-releasing hormone [GnRH]; Related peptides
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- 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
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
- A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
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- 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)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P15/00—Drugs for genital or sexual disorders; Contraceptives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/88—Post-polymerisation treatment
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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/91—Polymers modified by chemical after-treatment
- C08G63/912—Polymers modified by chemical after-treatment derived from hydroxycarboxylic acids
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- 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
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/34—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
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- General Chemical & Material Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Gastroenterology & Hepatology (AREA)
- Immunology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Medicinal Preparation (AREA)
- Polyesters Or Polycarbonates (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
Description
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 실시예 5 | 실시예 6 | ||
사용되는 고분자량 젖산 중합체의 Mw | 40500 | 43600 | 40400 | 43300 | 38600 | 55000 | |
가수분해 후의 젖산 중합체의 Mw | 22200 | 22000 | 22700 | 22200 | 18600 | 27200 | |
수득되는 젖산 중합체의 Mw | 22900 | 22000 | 21900 | 22300 | 19400 | 28200 | |
분자량 분획(%) | 1~1000 | 0.03 | 0.07 | 0.00 | 0.01 | 0.08 | 0.04 |
1~3000 | 0.95 | 1.12 | 0.87 | 0.90 | 1.45 | 0.62 | |
1~5000 | 3.86 | 4.17 | 3.89 | 3.92 | 4.89 | 2.50 |
Claims (22)
- 고분자량 젖산 중합체를 가수분해하고, 가수분해 생성물을 함유하는 수득되는 용액을 알코올, 비환식 에테르 및 지방족 탄화수소로 이루어진 군으로부터 선택되는 용매와 접촉시키고, 침전된 젖산 중합체를 분리하고 회수하는 것을 포함하는, 중량-평균 분자량이 약 5,000 이하인 중합체성 물질의 함량이 약 5 중량% 이하이며, 중량-평균 분자량이 15,000 내지 50,000인 젖산 중합체의 제조 방법.
- 제 1 항에 있어서, 고분자량 젖산 중합체가 15,000 내지 500,000 의 중량-평균 분자량을 갖는 방법.
- 제 1 항에 있어서, 고분자량 젖산 중합체가 30,000 내지 100,000 의 중량-평균 분자량을 갖는 방법.
- 제 1 항에 있어서, 고분자량 젖산 중합체가 용액 중합에 의해 수득되는 것인 방법.
- 제 1 항에 있어서, 수득되는 젖산 중합체는 15,000 내지 30,000 의 중량-평균 분자량을 갖는 방법.
- 제 1 항에 있어서, 수득되는 젖산 중합체는 20,000 내지 25,000 의 중량-평균 분자량을 갖는 방법.
- 제 1 항에 있어서, 가수분해 생성물을 함유하는 수득되는 용액은 할로겐화 탄화수소 및 방향족 탄화수소로 이루어진 군으로부터 선택되는 용매 중에서 고분자량 젖산 중합체의 가수 분해 후 중량-평균 분자량이 15,000 내지 50,000 인 젖산 중합체의 가수분해 생성물 용액이며, 이 용액 중의 가수분해 생성물의 농도는 10 내지 50 중량% 인 방법.
- 삭제
- 고분자량 젖산 중합체를 가수분해하고, 가수분해 생성물을 포함하는 수득되는 용액을 알코올, 비환식 에테르 및 지방족 탄화수소로 이루어진 군으로부터 선택되는 용매와 접촉시키고, 침전된 젖산 중합체를 분리하고 회수하는 것을 포함하는, 중합체성 물질을 포함하는 젖산 중합체로부터 약 5,000 이하의 중량-평균 분자량을 갖는 중합체성 물질을 제거하는 방법.
- 제 9 항에 있어서, 고분자량 젖산 중합체는 용액 중합에 의해 수득되는 것인 방법.
- 삭제
- 중량-평균 분자량이 5,000 이하인 중합체성 물질의 함량이 약 5 중량% 이하인, 중량-평균 분자량이 15,000 내지 50,000 인 젖산 중합체.
- 제 12 항에 있어서, 중량-평균 분자량이 3,000 이하인 중합체성 물질의 함량이 약 1.5 중량% 이하인 젖산 중합체.
- 제 13 항에 있어서, 중량-평균 분자량이 1,000 이하인 중합체성 물질의 함량이 약 0.1 중량% 이하인 젖산 중합체.
- 제 12 항 내지 제 14 항 중 어느 한 항에 있어서, 중량-평균 분자량이 15,000 내지 30,000 인 젖산 중합체.
- 제 12 항 내지 제 14 항 중 어느 한 항에 있어서, 중량-평균 분자량이 20,000 내지 25,000 인 젖산 중합체.
- 제 12 항 내지 제 14 항 중 어느 한 항에 따른 젖산 중합체를 포함하는, 서방성 제제용 기재.
- 서방성 제제용 기재로서 제 12 항 내지 제 14 항 중 어느 한 항에 따른 젖산 중합체의 사용 방법.
- 제 1 항 내지 제 6 항, 제 9 항 또는 제 10 항 중 어느 한 항에 있어서, 상기 용매가 메탄올, 에탄올, 이소프로필 에테르 및 헥산으로 이루어진 군으로부터 선택되는 방법.
- 제 1 항 내지 제 6 항, 제 9 항 또는 제 10 항 중 어느 한 항에 있어서, 상기 용매가 이소프로필 에테르인 방법.
- 제 1 항 내지 제 6 항, 제 9 항 또는 제 10 항 중 어느 한 항에 있어서, 고분자량 젖산 중합체가 할로겐화 탄화수소 및 방향족 탄화수소로 이루어진 군으로부터 선택되는 용매 중에서 용해되고 그 후 가수 분해되는 방법.
- 제 21 항에 있어서, 상기 용매는 클로로포름, 디클로로메탄, 톨루엔, o-자일렌, m-자일렌 및 p-자일렌으로 이루어진 군으로부터 선택되는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000238051 | 2000-08-07 | ||
JPJP-P-2000-00238051 | 2000-08-07 | ||
PCT/JP2001/006721 WO2002012369A1 (fr) | 2000-08-07 | 2001-08-06 | Polymere d'acide lactique et son procede de preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030046405A KR20030046405A (ko) | 2003-06-12 |
KR100772950B1 true KR100772950B1 (ko) | 2007-11-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020037001770A KR100772950B1 (ko) | 2000-08-07 | 2001-08-06 | 젖산 중합체 및 이의 제조 방법 |
Country Status (15)
Country | Link |
---|---|
US (3) | US7019106B2 (ko) |
EP (2) | EP1693054B1 (ko) |
JP (2) | JP5046447B2 (ko) |
KR (1) | KR100772950B1 (ko) |
CN (1) | CN1269870C (ko) |
AT (1) | ATE322513T1 (ko) |
AU (1) | AU2001276733A1 (ko) |
CA (1) | CA2419065C (ko) |
CY (1) | CY1117889T1 (ko) |
DE (1) | DE60118575T3 (ko) |
DK (1) | DK1310517T4 (ko) |
ES (2) | ES2256276T5 (ko) |
HK (1) | HK1095526A1 (ko) |
PT (2) | PT1693054T (ko) |
WO (1) | WO2002012369A1 (ko) |
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ATE382337T1 (de) * | 2005-04-28 | 2008-01-15 | Nipro Corp | Bioabsorbierbare pharmazeutische zusammensetzung enthaltend einen plga-copolymer |
WO2007084460A2 (en) | 2006-01-18 | 2007-07-26 | Qps, Llc | Pharmaceutical compositions with enhanced stability |
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US20080146822A1 (en) | 2006-11-28 | 2008-06-19 | Purac Biochem B.V. | Stable lactide particles |
BRPI0719152B1 (pt) * | 2006-11-28 | 2018-07-31 | Purac Biochem B.V | Processo para a preparação de partículas de lactídeo e uso das referidas partículas |
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PT3202814T (pt) | 2007-02-15 | 2019-11-26 | Tolmar Therapeutics Inc | Poli-(lactido/glicolido) de libertação imediata reduzida e métodos de produção de polímeros |
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EA201692083A1 (ru) | 2014-04-16 | 2017-03-31 | Вейкс-Фарма Гмбх | Фармацевтическая композиция для ветеринарии и ее применение |
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