pH-dependent sustained release, drug-delivery composition
    2.
    发明授权
    pH-dependent sustained release, drug-delivery composition 失效
    pH依赖性持续释放,药物递送组合物

    公开(公告)号:US06465014B1

    公开(公告)日:2002-10-15

    申请号:US09814084

    申请日:2001-03-21

    IPC分类号: A61K914

    CPC分类号: A61K9/205

    摘要: A pH-dependent sustained release, drug delivery composition capable of being formed into tablets or pellets, wherein the release is controlled by a diffusion barrier formed by the interaction of a pH-dependent gelling material and a pH-independent non-gelling material, comprising a polymer matrix comprising, by weight, (a) 10 to 50% sodium alginate, (b) 2 to 15% propylene glycol alginate and (c) 40 to 80% of a pharmaceutical medicament.

    摘要翻译: pH依赖性缓释药物递送组合物,其能够形成片剂或丸粒,其中释放由通过pH依赖性凝胶材料和pH非依赖性胶凝材料的相互作用形成的扩散屏障控制,包括 包含(a)10-50%藻酸钠,(b)2-15%丙二醇藻酸盐和(c)40-80%药物的聚合物基质。