KR950013749B1 - 미소환제로된 약물 방출 조성물 - Google Patents
미소환제로된 약물 방출 조성물 Download PDFInfo
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- KR950013749B1 KR950013749B1 KR1019880013766A KR880013766A KR950013749B1 KR 950013749 B1 KR950013749 B1 KR 950013749B1 KR 1019880013766 A KR1019880013766 A KR 1019880013766A KR 880013766 A KR880013766 A KR 880013766A KR 950013749 B1 KR950013749 B1 KR 950013749B1
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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
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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
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
- A61K9/0004—Osmotic delivery systems; Sustained release driven by osmosis, thermal energy or gas
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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
- 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
- A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
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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
- A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
- A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
- A61K9/5047—Cellulose ethers containing no ester groups, e.g. hydroxypropyl methylcellulose
-
- 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
- A61K9/5073—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 having two or more different coatings optionally including drug-containing subcoatings
- A61K9/5078—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 having two or more different coatings optionally including drug-containing subcoatings with drug-free core
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Preparation (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims (6)
- 미소환제로된 약물방출 조성물(10)로부터 약물을 조절된 속도로 방출하는 미소환제로된 약물방출 조성물에 있어서, 미소환제(13)는 (a) (1) 약물(14)과 ; (2) 약물 (14)을 에워싸는 벽(15)로 구성되고 ; 이때 벽(15)은 생체 투여부위에 사용시 침식하는 침식성 조성물로 구성되어 미소환제(13)로부터 약물(14)의 방출을 조절하며, 미소환제(13)는 직경이 50 내지 400미크론이 되며 미소환제당 10ng 내지 50㎎ 약물(14)을 포함하며, (b) 미소환제(13)를 포함하는 액상담체(16)에는 (3) 미소환제(13)로부터 약물(14)의 방출을 지연시키기 위한 약물(14)이 액상담체(16)내에 포함되고 ; 이때 액상담체(16)내의 약물(14) 농도는 미소환제(13)내의 약물(14) 농도와 동일하고, 담체 ㎖당 10 내지 1000개의 미소환제(13)를 포함하는 것으로 구성된 것을 특징으로 하는 미소환제로된 약물방출 조성물.
- 제 1 항에 있어서, 벽(15)은 다중 카르복실산, 폴리에스테르, 폴리아미드, 폴리이미드, 다중 글리콜산, 폴리오르소에스테르 또는 폴리카르보네이트와 같은 다가산 또는 다가전해질 중합체에서 선택된 생체 침식성 조성물로 구성된 것을 특징으로 하는 미소환제로된 약물방출 조성물.
- 미소환제로된 약물방출 조성물로부터 약물을 조절된 속도로 방출하는 미소환제로된 약물방출 조성물에 있어서, (a) 미소환제(20)는 (1) 약물(21)과 ; (2) 약물(21)을 에워싸는 벽(22)으로 구성되고 ; 이때 벽(22)은 확산 또는 삼투과정에 의한 약물을 방출하기 위해 물이 투과할 수 있는 조성물로 구성되어 미소환제(20)로부터 약물(21)의 방출을 도우며, 미소환제(20)는 직경이 50 내지 400미크론이 되며, 미소환제당 10ng 내지 50㎎ 약물(21)을 포함하고, (b) 미소환제(20)를 포함하는 액상담체(16)에는 (3) 미소환제(20)로부터 약물(21)의 방출을 지연시키기 위한 약물(14)이 포함되고 ; 이때 액상담체(16)내의 약물농도(14)는 미소환제(20)내의 약물(21) 농도와 동일한 것을 특징으로 하는 미소환제로된 약물방출 조성물.
- 제 3 항에 있어서, 벽은 에틸렌 비닐아세테이트 공중합체, 폴리에틸렌, 교차결합된 폴리비닐피롤리돈, 셀룰로오스 아세테이트, 비닐리덴 클로라이드-아크릴로니트레이트 공중합체, 폴리프로필렌 또는 실리콘에서 선택된 조성물로 구성된 것을 특징으로 하는 미소환제로된 약물방출 조성물.
- 미소환제로된 약물방출 조성물로부터 약물을 조절된 속도로 방출하는 미소환제로된 약물방출 조성물에 있어서, (a) 미소환제(23)는 (1) 약물(26)과 ; (2) 약물(26)을 에워싸는 벽(24)으로 구성되고 ; 이때 벽(24)은 다공질 조성물로 구성되어 다공을 통하여 조절된 속도로 약물을 방출하며, 미소환제(23)는 직경이 50 내지 400미크론이며 미소환제당 10ng 내지 50㎎ 약물을 포함하며, (b) 미소환제(23)를 포함하는 액상담체(16)에는 (3) 미소환제(23)로부터 약물(26)의 방출을 지연시키기 위한 약물(14)이 포함되고 ; 이때 액상담체(16)내의 약물(14) 농도는 미소환제(23)내의 약물(26) 농도와 동일하고 액상담체(16) ㎖당 10 내지 1000개의 미소환제를 포함하는 것을 특징으로 하는 미소환제로된 약물방출 조성물.
- 제 5 항에 있어서, 벽(24)은 올레핀 중합체, 비닐 중합체, 스티렌 중합체, 셀룰로오스 중합체에서 선택된 조성물로 구성되고 만니톨 또는 솔비톨과 같은 기공 형성체가 추가로 포함된 것을 특징으로 하는 미소환제로된 약물방출 조성물.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/112,189 US4853229A (en) | 1987-10-26 | 1987-10-26 | Method for adminstering tiny pills |
US07/112,189 | 1987-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890006223A KR890006223A (ko) | 1989-06-12 |
KR950013749B1 true KR950013749B1 (ko) | 1995-11-15 |
Family
ID=22342549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880013766A Expired - Fee Related KR950013749B1 (ko) | 1987-10-26 | 1988-10-21 | 미소환제로된 약물 방출 조성물 |
Country Status (13)
Country | Link |
---|---|
US (1) | US4853229A (ko) |
EP (1) | EP0313992B1 (ko) |
JP (1) | JP2840260B2 (ko) |
KR (1) | KR950013749B1 (ko) |
AT (1) | ATE107501T1 (ko) |
AU (1) | AU623349B2 (ko) |
CA (1) | CA1318825C (ko) |
DE (1) | DE3850340T2 (ko) |
DK (1) | DK595688A (ko) |
ES (1) | ES2055727T3 (ko) |
IE (1) | IE61942B1 (ko) |
PT (1) | PT88854B (ko) |
ZA (1) | ZA887976B (ko) |
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-
1987
- 1987-10-26 US US07/112,189 patent/US4853229A/en not_active Expired - Lifetime
-
1988
- 1988-10-11 AU AU23635/88A patent/AU623349B2/en not_active Ceased
- 1988-10-20 AT AT88117503T patent/ATE107501T1/de not_active IP Right Cessation
- 1988-10-20 DE DE3850340T patent/DE3850340T2/de not_active Expired - Fee Related
- 1988-10-20 ES ES88117503T patent/ES2055727T3/es not_active Expired - Lifetime
- 1988-10-20 EP EP88117503A patent/EP0313992B1/en not_active Expired - Lifetime
- 1988-10-21 KR KR1019880013766A patent/KR950013749B1/ko not_active Expired - Fee Related
- 1988-10-25 CA CA000581194A patent/CA1318825C/en not_active Expired - Fee Related
- 1988-10-25 ZA ZA887976A patent/ZA887976B/xx unknown
- 1988-10-25 IE IE321088A patent/IE61942B1/en not_active IP Right Cessation
- 1988-10-25 PT PT88854A patent/PT88854B/pt not_active IP Right Cessation
- 1988-10-26 JP JP63270590A patent/JP2840260B2/ja not_active Expired - Lifetime
- 1988-10-26 DK DK595688A patent/DK595688A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU2363588A (en) | 1989-06-08 |
IE883210L (en) | 1989-04-26 |
DE3850340D1 (de) | 1994-07-28 |
AU623349B2 (en) | 1992-05-14 |
JPH01149716A (ja) | 1989-06-12 |
ZA887976B (en) | 1989-07-26 |
KR890006223A (ko) | 1989-06-12 |
PT88854B (pt) | 1995-05-31 |
DK595688D0 (da) | 1988-10-26 |
EP0313992A1 (en) | 1989-05-03 |
US4853229A (en) | 1989-08-01 |
ATE107501T1 (de) | 1994-07-15 |
DE3850340T2 (de) | 1994-10-27 |
DK595688A (da) | 1989-04-27 |
CA1318825C (en) | 1993-06-08 |
ES2055727T3 (es) | 1994-09-01 |
PT88854A (pt) | 1989-07-31 |
EP0313992B1 (en) | 1994-06-22 |
JP2840260B2 (ja) | 1998-12-24 |
IE61942B1 (en) | 1994-11-30 |
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