CN102274190B — 一种注射用紫杉醇白蛋白亚微粒及其制备方法
Assigned to Shanghai Advanced Pharmaceutical Engineering Research Center Ltd · Expires 2012-12-05 · 13y expired
What this patent protects
本发明公开了一种注射用紫杉醇白蛋白亚微粒,其包括:紫杉醇1~10%(W/W),白蛋白10~80%(W/W),和冻干保护剂10~85%(W/W)。还公开了其制备方法,包括以下步骤:1)将紫杉醇加入叔丁醇中,搅拌溶解后作为有机相;2)将白蛋白及冻干保护剂加入到水或pH值在6.0~8.5的缓冲液中,搅拌溶解后作为水相;3)在搅拌的条件下将有机相加入到水相中,搅拌溶解后通过微孔滤膜法过滤除菌,置于洁净的容器中;4)在-30℃~-50℃条件下的温度下冻结,经冷冻干燥机冻干除去叔丁醇和水后即得外形良好、质地疏松的冻干粉。在使用时,将冻干粉加入注射用溶媒复溶,即可形成…
USPTO Abstract
本发明公开了一种注射用紫杉醇白蛋白亚微粒,其包括:紫杉醇1~10%(W/W),白蛋白10~80%(W/W),和冻干保护剂10~85%(W/W)。还公开了其制备方法,包括以下步骤:1)将紫杉醇加入叔丁醇中,搅拌溶解后作为有机相;2)将白蛋白及冻干保护剂加入到水或pH值在6.0~8.5的缓冲液中,搅拌溶解后作为水相;3)在搅拌的条件下将有机相加入到水相中,搅拌溶解后通过微孔滤膜法过滤除菌,置于洁净的容器中;4)在-30℃~-50℃条件下的温度下冻结,经冷冻干燥机冻干除去叔丁醇和水后即得外形良好、质地疏松的冻干粉。在使用时,将冻干粉加入注射用溶媒复溶,即可形成平均粒径在100~600nm的紫杉醇白蛋白亚微粒,具有制备工艺简单,不使用毒性较高的有机溶剂,可长期存放等优点。
Drugs covered by this patent
- Taxotere (Docetaxel) · Sanofi
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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