KR20000010697A - 미립자 - Google Patents
미립자 Download PDFInfo
- Publication number
- KR20000010697A KR20000010697A KR1019980708777A KR19980708777A KR20000010697A KR 20000010697 A KR20000010697 A KR 20000010697A KR 1019980708777 A KR1019980708777 A KR 1019980708777A KR 19980708777 A KR19980708777 A KR 19980708777A KR 20000010697 A KR20000010697 A KR 20000010697A
- Authority
- KR
- South Korea
- Prior art keywords
- solvent
- phase
- microparticles
- active agent
- particulates
- 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.)
- Granted
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- 239000011859 microparticle Substances 0.000 title claims abstract description 70
- 239000002904 solvent Substances 0.000 claims abstract description 133
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
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- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical group OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 114
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- 238000000034 method Methods 0.000 claims description 65
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 63
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 62
- 238000010791 quenching Methods 0.000 claims description 44
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- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
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Classifications
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- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
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- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
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- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
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- 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
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- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
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Abstract
Description
| 유리 전이온도 Tg에 대한 에탄올 세척시간 및 농도의 영향 | ||||
| 세척시간(시간) | 5%에탄올 | 15%에탄올 | 20%에탄올 | 25%에탄올 |
| 0.75 | 24.2℃ | 26.5℃ | 30.1℃ | 30.8℃ |
| 3 | 26.5℃ | 26.5℃ | 32.5℃ | 35.1℃ |
| 24 | 30.9℃ | 28.7℃ | 37.2℃ | 40.1℃ |
Claims (19)
- 활성 약제 및 유기 용매를 포함하는 생분해성 생체적합성 중합체 기질을 포함하는 미립자를, (a) 용매계가 상기 입자와 접촉하는 시간의 적어도 일부분 동안에 상승된 온도에 있거나, (b) 용매계가 물 및 상기 유기 용매에 대한 수혼화성 용매를 포함하는 조건 중 적어도 하나를 만족시키는, 수성 용매계와 접촉시킴으로써 상기 미립자 중의 상기 유기 용매의 함량을 상기 미립자의 중량을 기준으로 2% 이하로 감소시키고; 상기 미립자를 상기 수성 용매계로부터 회수하는 단계를 포함하는 생분해성 생체적합성 미립자의 제조 방법.
- 제1항에 있어서,A) (1) 생분해성, 생체적합성 중합체성 캡슐화 결합제 및(2) 제1 용매 중에 용해되거나 또는 분산된, 제한된 수용해도를 가지는 활성 약제를 포함하는 제1 상을 제조하고,B) 수성의 제2 상을 제조하고,C) 상기 제1 상이 불연속적이고 상기 제2상은 연속적인 에멀젼을 형성하는 혼합 수단의 영향 하에 상기 제1 상 및 제2 상을 합하고,D) 상기 불연속적인 제1 상을 상기 연속적인 제2 상으로부터 분리하고,E) 상기 불연속적인 제1 상을(1) 약 25 ℃ 내지 약 40 ℃의 범위의 온도의 물 또는(2) 물 및 제1 상 중의 제1 잔류 용매에 대한 제2 용매를 포함하는 수용액으로 세척함으로서,제1 잔류 용매의 농도를 상기 미립자의 약 2 중량% 이하로 감소시키는 것을 포함하는생분해성, 생체적합성 미립자의 제조 방법.
- 제2항에 있어서, 추가로 급냉 단계를 단계 C) 및 D) 사이에 수행하는 방법.
- 제1항에 있어서,A) 활성 약제, 생분해성, 생체적합성 중합체 및 제1 용매를 포함하는 제1 상을 제조하고,B) 상기 제1 상이 실질적으로 비혼화성인 제2 상을 제조하고,C) 상기 제1 상을 정전 혼합기를 통하여 제1 유동 속도로 유동시키고,D) 상기 제2 상을 정전 혼합기를 통하여 제2 유동 속도로 유동시켜서, 상기 제1 상 및 제2 상은 상기 정전 혼합기를 통해 동시에 유동함으로서 상기 활성 약제를 포함하는 미립자를 형성시키고,E) 상기 미립자를 단리시키고,F) 상기 미립자들을 승온에서 물로 또는 물 및 상기 미립자 중의 잔류 제1 용매에 대한 제2 용매를 포함하는 수용액으로 세척함으로써 잔류 제1 용매의 농도를 상기 미립자의 2중량% 이하로 감소시키는 단계를 포함하는생분해성, 생체적합성 중합체 미립자의 제조 방법.
- 제2항 내지 제4항 중 어느 한 항에 있어서, 상기 제1 용매가 적어도 두 개의 서로 상호간에 혼화성인 유기 용매들의 용매 혼합물이고, 상기 제2 상은 물 및 임의로 친수 교질 또는 계면활성제를 함유하는 방법.
- 제5항에 있어서, 상기 유기 용매 중 하나가 에스테르이고 제2 용매는 벤질 알코올인 방법.
- 제5항 및 제6항 중 어느 한 항에 있어서, 상기 용매 혼합물이 에틸 아세테이트 및 벤질 알코올을 포함하고, 상기 제2 상이 폴리(비닐 알코올)을 포함하고 상기 중합체 또는 결합제는 폴리(글리콜산), 폴리(d,l-락트산), 폴리(l-락트산), 및 이들의 공중합체로 부터 선택되는 것인 방법.
- 전항 중 어느 한 항에 있어서, 상기 활성 약제가 하나 이상의 염기성 부분을 포함하는 것인 방법.
- 전항 중 어느 한 항에 있어서, 상기 활성 약제가 리스페리돈, 9-히드록시 리스페리돈 및 제약학상 허용되는 이들의 염으로부터 선택된 것인 방법.
- 전항 중 어느 한 항에 있어서, 상기 수용액 또는 수성 용매계가 물 및 C1-4알코올을 포함하는 것인 방법.
- 전항 중 어느 한 항에 있어서, 상기 C1-4알코올이 에탄올인 방법.
- 제1항에 있어서,A) (1) 폴리(글리콜산), 폴리(d,l-락트산), 폴리(l-락트산), 및 이들의 공중합체로 부터 선택된 생분해성, 생체적합성 중합체성 캡슐화 결합제 및(2) 에틸 아세테이트 및 벤질 알코올로 이루어지고, 할로겐화 탄화수소가 없는 혼합물 중에 중에 용해되거나 또는 분산된, 리스페리돈, 9-히드록시 리스페리돈 및 제약학상 허용되는 이들의 염으로부터 선택된 활성 약제를 포함하는 제1 상을 제조하고,B) 물 중에 용해된 폴리비닐 알코올을 포함하는 제2 상을 제조하고,C) 정전 혼합기 중에서 상기 제1 상 및 제2 상을 합하여 상기 제1 상이 불연속적이고 상기 제2상은 연속적인 에멀젼을 형성시키고,D) 상기 제1 및 제2 상들을 급냉 용액 중에 침지시키고,E) 상기 불연속적인 제1 상을 미립자의 형태로 단리하고,F) 상기 불연속적인 제1 상을 물 및 에탄올을 포함하는 수용액으로 세척함으로써 벤질 알코올의 농도를 상기 미립자의 약 2 중량% 이하로 감소시키는 단계들을 포함하는생분해성, 생체적합성 미립자의 제조 방법.
- 활성 약제 및 유기 용매를 포함하고, 상기 유기 용매는 상기 미립자 중에 상기 미립자의 전체 중량을 기준으로 2% 이하로 존재하는 생분해성 생체적합성 중합체 매트릭스의 미립자를 포함하는 미립자 물질.
- 제1항 내지 제12항 중 어느 한 항에 따른 제법에 의해 제조된 활성 약제를 함유하는 생분해성, 생체적합성 중합체성 매트릭스의 미립자.
- 제약학상 허용되는 하나 이상의 담체 또는 부형제와 함께 제13항 또는 제14항 중 어느 한항에 따른 미립자를 포함하는 제약 조성물.
- 제15항에 있어서, 상기 중합체성 결합제가 글리콜산 및 d,l-락트산의 공중합체인 조성물.
- 제15항 및 제16항 중 어느 한 항에 있어서, 상기 미립자 중의 상기 잔류 용매의 함량이 0.5 내지 1.5 중량%의 범위에 있고, 상기 잔류 용매가 벤질 알코올인 조성물.
- 제15항에 있어서, 약제학상 허용되는 담체 중의 약 25 내지 180 미크론의 크기 범위의 생분해성 및 생체적합성 미립자를 포함하고, 상기 미립자는 락티드 대 글리콜리드의 몰비가 85:15 내지 50:50의 범위이고 리스페리돈 또는 9-히드록시-리스페리돈 및 제약학상 허용되는 이들의 염으로부터 선택된, 그안에 용해되거나 분산된 약 35 내지 약 40 중량%의 활성 약제를 가지는 폴리(글리콜산) 및 폴리(d,l-락트산) 및 약 0.5 내지 약 1.5 중량%의 벤질 알코올을 포함하는 조성물.
- 진단 또는 치료법에 사용하기 위한 약제의 제조를 위한 제1항 내지 제12항 중 어느 한 항에 따른 방법에 의해 제조된 미립자의 용도.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4155196P | 1996-05-07 | 1996-05-07 | |
| US60/041,551 | 1996-05-07 |
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| Publication Number | Publication Date |
|---|---|
| KR20000010697A true KR20000010697A (ko) | 2000-02-25 |
| KR100432677B1 KR100432677B1 (ko) | 2004-09-13 |
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| KR10-1998-0708777A Expired - Lifetime KR100432677B1 (ko) | 1996-05-07 | 1997-05-06 | 미립자 |
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| US (9) | US5792477A (ko) |
| EP (1) | EP0904063B1 (ko) |
| JP (2) | JP3822909B2 (ko) |
| KR (1) | KR100432677B1 (ko) |
| CN (1) | CN1224380C (ko) |
| AR (2) | AR012820A1 (ko) |
| AU (1) | AU733199B2 (ko) |
| BG (1) | BG64036B1 (ko) |
| BR (1) | BR9709217A (ko) |
| CA (1) | CA2251987C (ko) |
| CZ (1) | CZ293578B6 (ko) |
| EE (1) | EE04540B1 (ko) |
| HU (1) | HU223532B1 (ko) |
| ID (1) | ID17505A (ko) |
| IL (1) | IL126509A (ko) |
| NO (2) | NO323591B1 (ko) |
| NZ (1) | NZ333196A (ko) |
| PL (1) | PL188550B1 (ko) |
| RU (1) | RU2201214C2 (ko) |
| SK (1) | SK283852B6 (ko) |
| UA (1) | UA59361C2 (ko) |
| WO (1) | WO1997041837A2 (ko) |
| ZA (1) | ZA973891B (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101862197B1 (ko) * | 2018-02-02 | 2018-05-29 | 이상운 | 빗물 고임 방지구조를 갖는 안내판 고정장치 |
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