Process for preparation of anti-tubercular combination and pharmaceutical composition prepared therefrom
    1.
    发明授权
    Process for preparation of anti-tubercular combination and pharmaceutical composition prepared therefrom 有权
    制备抗结核组合的方法和由其制备的药物组合物

    公开(公告)号:US08470365B2

    公开(公告)日:2013-06-25

    申请号:US12846476

    申请日:2010-07-29

    IPC分类号: A61K9/20

    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 bioavailability.

    摘要翻译: 本发明涉及一种制备药物组合物的方法,其包含四种抗结核药物:利福平或其药学上可接受的盐,异烟肼或其药学上可接受的盐,吡嗪酰胺或其药学上可接受的盐和乙胺丁醇或其药学上可接受的盐,其中利福平 异烟肼分开。 本发明还提供由其制备的药物组合物,其具有有利的稳定性和生物利用度。