发明名称 |
METHOD OF FORMING POLYPEPTIDE PARTICLES |
摘要 |
The present invention is to provide polypeptide fine particles which comprise adding a polypeptide-insoluble water-miscible organic solvent to a frozen product of an aqueous solution containing a polypeptide and a phase separation inducer, and dissolving the separation inducer and ice in the frozen product; a polypeptide fine particle dispersion obtainable by the method; polypeptide fine particles obtainable by removing the phase separation inducer, water and water-miscible organic solvent from the polypeptide fine particle dispersion; a method of producing microspheres which comprises dispersing the polypeptide fine particles in a solution in which a biodegradable polymer is dissolved in a volatile and water-miscible organic solvent, emulsifying the mixture in an aqueous phase to prepare an O/W emulsion, and removing the water-miscible organic solvent; and a microsphere preparation obtainable by the method. <IMAGE>
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申请公布号 |
EP1338287(A1) |
申请公布日期 |
2003.08.27 |
申请号 |
EP20010976660 |
申请日期 |
2001.10.11 |
申请人 |
TANABE SEIYAKU CO., LTD. |
发明人 |
MATSUMOTO, AKIHIRO;MORITA, TAKAHIRO |
分类号 |
A61K9/16;C07K1/00;C07K1/36;(IPC1-7):A61K38/02;A61K9/10;A61K9/50;A61K47/30 |
主分类号 |
A61K9/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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