PAO, LI HENG,鲍力恒,鮑力恒,SHIAO, NION HENG,萧年亨,蕭年亨,YANG, KUO HUA,杨国华,楊國華,CHOU, JUI MING,周瑞铭,周瑞銘
申请号:
TW099125168
公开号:
TWI391134B
申请日:
2010.07.29
申请国别(地区):
TW
年份:
2013
代理人:
摘要:
This invention relates to a process for preparing a pharmaceutical composition comprising four antitubercular drugs: rifampin or a pharmaceutically acceptable salt thereof, isoniazid or a pharmaceutically acceptable salt thereof, pyrazinamide or a pharmaceutically acceptable salt thereof and ethambutol or a pharmaceutically acceptable salt thereof, wherein rifampin and isoniazid are in separate layers. The invention also provides a pharmaceutical composition prepared therefrom having advantageous stability and bioavailabitity.本發明係關於一種製備包含以下四種抗結核病藥物之醫藥組合物的方法:利福平(rifampin)或其醫藥學上可接受之鹽、異菸酸肼(isoniazid)或其醫藥學上可接受之鹽、吡嗪醯胺(pyrazinamide)或其醫藥學上可接受之鹽及乙胺丁醇(ethambutol)或其醫藥學上可接受之鹽,其中利福平與異菸酸肼位於分開之層中。本發明亦提供一種由其製備之醫藥組合物,其具有優異的穩定性及生物可利用性。(無元件符號說明)