KR930006431B1 - 약물의 미세캡슐화 방법 - Google Patents
약물의 미세캡슐화 방법 Download PDFInfo
- Publication number
- KR930006431B1 KR930006431B1 KR1019910002092A KR910002092A KR930006431B1 KR 930006431 B1 KR930006431 B1 KR 930006431B1 KR 1019910002092 A KR1019910002092 A KR 1019910002092A KR 910002092 A KR910002092 A KR 910002092A KR 930006431 B1 KR930006431 B1 KR 930006431B1
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- KR
- South Korea
- Prior art keywords
- drug
- oil
- microencapsulation
- emulsion
- polysaccharide
- 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.)
- Expired - Fee Related
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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
-
- 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
- A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
-
- 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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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Preparation (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Manufacturing Of Micro-Capsules (AREA)
Abstract
Description
Claims (8)
- 약물을 기름상 물질중에 첨가하여 혼합한 후 5~30초간 초음파 처리하여 약물이 내재되어 있는 기름상 물질을 얻고, 이렇게 하여 얻어진 기름상 물질을, 금속 킬레이트 능력이 있는 다당류를 포함하는 생 분해성 및 생체 적합성을 갖는 고분자 물질 및 유화제의 혼합물과 혼합하여 상분리가 일어남을 관찰한 다음, 이어서 상분리가 된 액상을 다시 한 번 더 초음파 발생장치로 초음파 처리함으로써 직경 5㎛ 범위 이하로 입자의 직경 분포가 일정한 오일방울을 함유하는 균일한 우유빛 에멀션을 얻고, 이렇게 하여 얻어진 에멀션을 다가이온염 수용액내에 적가하여 상기한 다당류와 다가이온염 사이에 가교결합을 형성시켜 상기한 다당류를 고형화 시킨후, 동결 건조시켜 분말화 함을 특징으로 하는 약물의 미세캡슐화 방법.
- 제1항에 있어서, 상기한 다당류를 포함하는 생 분해성 및 생체 적합성을 갖는 고분자 물질은, 상기한 다당류를 20~100중량%로 포함하는 것임을 특징으로 하는 약물의 미세캡슐화 방법.
- 제1항 또는 제2항에 있어서, 상기한 금속 킬레이트 능력이 있는 다당류는, 알긴산나트륨, 펙틴, 크산토모나스 캄페스트리스, 카르복시메틸셀룰로오스 중에서 선택되는 어느 1종 또는 2종 이상의 혼합물인 것을 특징으로 하는 약물의 미세캡슐 방법.
- 제1항에 있어서, 상기한 기름상 물질은 옥수수 기름, 땅콩 기름, 코코야자 기름, 아주까리 기름, 참기름, 콩기름, 들기름, 해바라기 기름 및 호두 기름 중에서 선택되는 어느 1종인 것을 특징으로 하는 약물의 미세캡슐화 방법.
- 제1항에 있어서, 상기한 유화제는 트윈 20, 트윈 40, 트윈 80, 바일 쏠트, 나트륨 콜레이트, 80W/V% 폴리에틸렌 글리콜 1000 모노세틸 에테르와 20W/V% 폴리에틸렌 글리콜 400의 혼합물, 및 폴리옥시에틸렌 에테르 중에서 선택되는 어느 1종 또는 2종이상의 혼합물인 것을 특징으로 하는 약물의 미세캡슐화 방법.
- 제1항에 있어서, 상기한 다가이온염은 알루미늄 이온염, 칼슘 이온염, 및 마그네슘 이온염 중에서 선택되는 어느 1종인 것을 특징으로 하는 약물의 미세캡슐화 방법.
- 제1항에 있어서, 상기한 가름상 물질에 대한 약물의 혼합비율은 1~40중량%인 것을 특징으로 하는 약물의 미세캡슐화 방법.
- 제1항 또는 제2항에 있어서, 상기한 생 분해성 및 생체 적합성을 갖는 고분자 물질은 폴리아미노산, 폴리아크릴산, 및 콜라겐 중에서 선택되는 어느 1종인 것을 특징으로 하는 약물의 미세캡슐화 방법.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019910002092A KR930006431B1 (ko) | 1990-10-11 | 1991-02-07 | 약물의 미세캡슐화 방법 |
| DE69107767T DE69107767T2 (de) | 1990-10-11 | 1991-10-10 | Mikroeinkapselung für ein System zur kontrollierten oralen Wirkstoffabgabe. |
| US07/775,698 US5362424A (en) | 1990-10-11 | 1991-10-10 | Microencapsulation for controlled oral drug delivery system |
| EP91309337A EP0480729B1 (en) | 1990-10-11 | 1991-10-10 | Microencapsulation for controlled oral drug delivery system |
| JP3290453A JP2523069B2 (ja) | 1990-10-11 | 1991-10-11 | 経口投与用薬物の微細カプセル化方法 |
| US08/285,024 US5508041A (en) | 1990-10-11 | 1994-08-02 | Microencapsulation for controlled oral drug delivery system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR900016120 | 1990-10-11 | ||
| KR90-16120 | 1990-10-11 | ||
| KR1019910002092A KR930006431B1 (ko) | 1990-10-11 | 1991-02-07 | 약물의 미세캡슐화 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920007622A KR920007622A (ko) | 1992-05-27 |
| KR930006431B1 true KR930006431B1 (ko) | 1993-07-16 |
Family
ID=26628361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019910002092A Expired - Fee Related KR930006431B1 (ko) | 1990-10-11 | 1991-02-07 | 약물의 미세캡슐화 방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US5362424A (ko) |
| EP (1) | EP0480729B1 (ko) |
| JP (1) | JP2523069B2 (ko) |
| KR (1) | KR930006431B1 (ko) |
| DE (1) | DE69107767T2 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100809920B1 (ko) * | 2006-09-22 | 2008-03-06 | 다윈이십일주식회사 | 장기 안정성이 우수한 인삼성분 미세캡슐의 제조방법 |
| US7436171B2 (en) | 2004-06-16 | 2008-10-14 | Star Technologies, Inc. | Apparatus for probing multiple integrated circuit devices |
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| US3749799A (en) * | 1972-02-04 | 1973-07-31 | Hoffmann La Roche | Stable dry vitamin a preparations |
| US4107288A (en) * | 1974-09-18 | 1978-08-15 | Pharmaceutical Society Of Victoria | Injectable compositions, nanoparticles useful therein, and process of manufacturing same |
| JPS5176413A (ja) * | 1974-12-25 | 1976-07-02 | Toyo Jozo Kk | Hifukuzainoseizoho |
| JPS52125615A (en) * | 1976-04-09 | 1977-10-21 | Kyowa Hakko Kogyo Co Ltd | Method of making powdered products |
| US4389419A (en) * | 1980-11-10 | 1983-06-21 | Damon Corporation | Vitamin encapsulation |
| US4501726A (en) * | 1981-11-12 | 1985-02-26 | Schroeder Ulf | Intravascularly administrable, magnetically responsive nanosphere or nanoparticle, a process for the production thereof, and the use thereof |
| JPS60100516A (ja) * | 1983-11-04 | 1985-06-04 | Takeda Chem Ind Ltd | 徐放型マイクロカプセルの製造法 |
| US4749620A (en) * | 1984-02-15 | 1988-06-07 | Massachusetts Institute Of Technology | Encapsulated active material system |
| FR2561916B1 (fr) * | 1984-03-30 | 1987-12-11 | Lafon Labor | Forme galenique pour administration orale et son procede de preparation par lyophilisation d'une emission huile dans eau |
| DE3421468A1 (de) * | 1984-06-08 | 1985-12-19 | Dr. Rentschler Arzneimittel Gmbh & Co, 7958 Laupheim | Lipidnanopellets als traegersystem fuer arzneimittel zur peroralen anwendung |
| DE3509333A1 (de) * | 1985-03-15 | 1986-09-18 | Hoechst Ag, 6230 Frankfurt | Substituierte benzimidazolderivate, verfahren zu ihrer herstellung, sie enthaltende pharmazeutische zubereitungen und ihre verwendung als magensaeuresekretionshemmer |
| US4908233A (en) * | 1985-05-08 | 1990-03-13 | Lion Corporation | Production of microcapsules by simple coacervation |
| ATE106242T1 (de) * | 1986-08-28 | 1994-06-15 | Enzacor Pty Ltd | Mikrogranuläre zubereitung zur verabreichung biologisch aktiver stoffe in den eingeweideregionen von tieren. |
| FR2608456B1 (fr) * | 1986-12-18 | 1993-06-18 | Mero Rousselot Satia | Microcapsules a base de gelatine et de polysaccharides et leur procede d'obtention |
| FR2608988B1 (fr) * | 1986-12-31 | 1991-01-11 | Centre Nat Rech Scient | Procede de preparation de systemes colloidaux dispersibles d'une substance, sous forme de nanoparticules |
| IL88961A (en) * | 1988-01-29 | 1992-07-15 | Basf Ag | Stable mixtures containing oxidation-sensitive compounds |
-
1991
- 1991-02-07 KR KR1019910002092A patent/KR930006431B1/ko not_active Expired - Fee Related
- 1991-10-10 DE DE69107767T patent/DE69107767T2/de not_active Expired - Fee Related
- 1991-10-10 EP EP91309337A patent/EP0480729B1/en not_active Expired - Lifetime
- 1991-10-10 US US07/775,698 patent/US5362424A/en not_active Expired - Fee Related
- 1991-10-11 JP JP3290453A patent/JP2523069B2/ja not_active Expired - Fee Related
-
1994
- 1994-08-02 US US08/285,024 patent/US5508041A/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7436171B2 (en) | 2004-06-16 | 2008-10-14 | Star Technologies, Inc. | Apparatus for probing multiple integrated circuit devices |
| KR100809920B1 (ko) * | 2006-09-22 | 2008-03-06 | 다윈이십일주식회사 | 장기 안정성이 우수한 인삼성분 미세캡슐의 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| US5362424A (en) | 1994-11-08 |
| JP2523069B2 (ja) | 1996-08-07 |
| DE69107767T2 (de) | 1995-07-13 |
| KR920007622A (ko) | 1992-05-27 |
| EP0480729B1 (en) | 1995-03-01 |
| EP0480729A1 (en) | 1992-04-15 |
| US5508041A (en) | 1996-04-16 |
| JPH07145045A (ja) | 1995-06-06 |
| DE69107767D1 (de) | 1995-04-06 |
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