KR960000216A - Method for manufacturing sustained release microspheres - Google Patents

Method for manufacturing sustained release microspheres Download PDF

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Publication number
KR960000216A
KR960000216A KR1019940012758A KR19940012758A KR960000216A KR 960000216 A KR960000216 A KR 960000216A KR 1019940012758 A KR1019940012758 A KR 1019940012758A KR 19940012758 A KR19940012758 A KR 19940012758A KR 960000216 A KR960000216 A KR 960000216A
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KR
South Korea
Prior art keywords
poly
acid
water
oil
producing
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KR1019940012758A
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Korean (ko)
Inventor
배철민
서민효
이재용
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김상응
주식회사 삼양사
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Priority to KR1019940012758A priority Critical patent/KR960000216A/en
Publication of KR960000216A publication Critical patent/KR960000216A/en

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Abstract

본 발명은 수용성 용기용매 또는 물과 수용성 유기용매의 혼합용액에 약물과 생분해성 고분자를 함께 용해시킨 약물함유 용액을 제조하고, 상기 용액에 광유 또는 동, 식물성 오일 및 유화제를 넣고 분산시킨후, 생성된 유탁액을 0-50℃저온, 1-300mmHg감압하에서 수용성 유기용매를 증발, 건조시킴을 특징으로 하는 마이크로 스피어의 제조방법에 관한 것이다.The present invention prepares a drug-containing solution in which a drug and a biodegradable polymer are dissolved together in a water-soluble container solvent or a mixed solution of water and a water-soluble organic solvent, and after dispersing mineral oil or copper, vegetable oil and emulsifier in the solution, It relates to a method for producing a microsphere, characterized in that the emulsion is evaporated and dried by evaporation and drying under reduced pressure of 1-300 mmHg at 0-50 ° C.

Description

서방형 마이크로스피어의 제조방법Method for manufacturing sustained release microspheres

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (9)

수용성 유기용매 또는 물과 수용성 유기용매의 혼합용액에 약물과 생분해성 고분자를 함께 용해시킨 약물함유 용액을 제조하고, 상기 용액을 유화제를 포함하는 광유 또는 동.식물성 오일에 분산시킨후, 생성된 유탁액을 0-50℃저온, 1-300mmHg감압하에서 수용성 유기용매를 증발, 건조시킴을 특징으로 하는 마이크로스피어의 제조방법.A drug-containing solution is prepared by dissolving a drug and a biodegradable polymer together in a water-soluble organic solvent or a mixed solution of water and a water-soluble organic solvent, and dispersing the solution in a mineral oil or an animal and vegetable oil containing an emulsifier, and then forming an emulsion. A process for producing microspheres, characterized in that the liquid is evaporated and dried at 0-50 ° C. under low temperature and reduced in pressure of 1-300 mmHg. 제1항에 있어서, 수용성 유기용매로는 메탄올, 에탄올, 아세토니트릴, 디메틸 포름아미드(DMF), N-메틸피롤리돈, 디옥산, 아세톤, 테트라히드로푸한, 디메틸 아세트아미드, 디메틸 설폭사이드, 글리세롤, 에틸렌 글리콜, 프로판올, 아세트산, 포름산, 글리콜산, 락트산 또는 이들의 혼합용액이고, 용매와 물의 혼합비율은 물이 0.001-50중량%임을 특징으로 하는 마이크로스피어의 제조방법.The method of claim 1, wherein the water-soluble organic solvent is methanol, ethanol, acetonitrile, dimethyl formamide (DMF), N-methylpyrrolidone, dioxane, acetone, tetrahydrofuhan, dimethyl acetamide, dimethyl sulfoxide, Glycerol, ethylene glycol, propanol, acetic acid, formic acid, glycolic acid, lactic acid or a mixed solution thereof, and the mixing ratio of the solvent and water is 0.001-50% by weight of water. 제1항에 있어서, 생분해성 고분자로는 폴리 락트산, 폴리 글리콜산, 폴리 시트프산, 폴리 말산, 폴리--시아노아클리산 에스테르, 폴리--히드록시부티르산, 폴리 알킬렌 옥살레이트, 폴리 오르토 에스테르, 폴리 오르토 카르보네이트, 폴리-r-벤질-L-글루타민산, 풀리-L-알라닌, 폴리-r-메틸-L-글루타민산 또는 이들의 공중합체 또는 상기 고분자들의 혼합물임을 특징으로 하는 마이크로스피어의 제조방법.The method of claim 1, wherein the biodegradable polymer is polylactic acid, poly glycolic acid, poly citric acid, poly malic acid, poly- Cyanoacrylic acid ester, poly Hydroxybutyric acid, poly alkylene oxalate, poly ortho ester, poly ortho carbonate, poly-r-benzyl-L-glutamic acid, pulley-L-alanine, poly-r-methyl-L-glutamic acid or air thereof Method of producing a microsphere, characterized in that the mixture or a mixture of the polymers. 제3항에 있어서, 생분해성 고분자로는 폴리 L-락트산, 폴리 D,L-락트산, L-락트산과 글리콜산의 공중합체, D,L-락트산과 글리콜산의 공중합체임을 특징으로 하는 마이크로스피어의 제조방법.The microspheres of claim 3, wherein the biodegradable polymer is a poly L-lactic acid, a poly D, L-lactic acid, a copolymer of L-lactic acid and glycolic acid, and a copolymer of D, L-lactic acid and glycolic acid. Manufacturing method. 제1항에 있어서, 광유 또는 동, 식물성 오일로는 실리콘 오일, 액체 파리핀, 면실유, 참기름,피마자유,옥수수기름, 올리버 오일, 고래기름, 툴루엔, 자일렌 또는 헥산임을 특징으로 하는 마이크로스피어의 제조방법.The microspheres of claim 1, wherein the mineral oil or copper and vegetable oils are silicone oil, liquid paraffin, cottonseed oil, sesame oil, castor oil, corn oil, oliver oil, whale oil, toluene, xylene or hexane. Manufacturing method. 제1항에 있어서, 유화제는 HLB가 3에서 6.5인 비이온형 유하제임을 특징으로 하는 마이크로스피어의 제조방법.The method of claim 1, wherein the emulsifier is a non-ionic release agent having a HLB of 3 to 6.5 method of producing a microsphere. 제1항에 있어서, 증발온도는 15-30℃임을 특징으로 하는 마이크로스피어의 제조방법.The method of claim 1, wherein the evaporation temperature is 15-30 ° C. 제1항에 있어서, 감압조건은 수용성 유기용매에 따라서 선택되난 용매의 증발온도가 15-30℃인 감압상태임을 특징으로 하는 마이크로스피어의 제조방법.The method of claim 1, wherein the reduced pressure is a method for producing a microsphere, characterized in that the evaporation temperature of the solvent selected according to the water-soluble organic solvent is a reduced pressure of 15-30 ℃. 제1항 내지 제8항의 방법에 따라 제조된 마이크로스피어.Microspheres prepared according to the method of claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940012758A 1994-06-08 1994-06-08 Method for manufacturing sustained release microspheres KR960000216A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000022894A (en) * 1998-09-05 2000-04-25 이승진 Biodegradable particulate polymeric preparation and process for producing thereof
KR100741867B1 (en) * 2005-07-05 2007-07-24 전북대학교산학협력단 Preparation method of double-layered sphere using oil-in-water and solvent evaporation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000022894A (en) * 1998-09-05 2000-04-25 이승진 Biodegradable particulate polymeric preparation and process for producing thereof
KR100741867B1 (en) * 2005-07-05 2007-07-24 전북대학교산학협력단 Preparation method of double-layered sphere using oil-in-water and solvent evaporation

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