Finely Divided Composition Containing Poorly Water Soluble Substance
    4.
    发明申请
    Finely Divided Composition Containing Poorly Water Soluble Substance 有权
    含水不良物质的细分组合物

    公开(公告)号:US20080118552A1

    公开(公告)日:2008-05-22

    申请号:US11795734

    申请日:2006-01-27

    摘要: A composition containing a poorly water soluble substance of the present invention is a composition having a median diameter of not more than 1 μm, comprising (i) a poorly water soluble substance and (ii) polyvinylpyrrolidone or a vinylpyrrolidone-vinyl acetate copolymer, and preferably, a composition having a median diameter of not more than 1 μm, comprising (i) a poorly water soluble substance, (ii) polyvinylpyrrolidone or a vinylpyrrolidone-vinyl acetate copolymer and (iii) an auxiliary dispersion stabilizer. By employing such constitution, a poorly water soluble substance is sufficiently micronized and a composition containing a poorly water soluble substance showing good absorbability of the poorly water soluble substance can be provided.A composition containing a poorly water soluble substance of the present invention can be prepared into a solid dosage form for oral administration in various forms such as tablet, powder, granule, capsule and the like. Therefore, using a composition containing a poorly water soluble substance of the present invention, for example, pharmaceutical preparations in various dosage forms showing good absorbability of a drug, which is a poorly water soluble substance, can be realized.

    摘要翻译: 含有本发明的水溶性差的物质的组合物是中值粒径不大于1μm的组合物,其包含(i)水难溶性物质和(ii)聚乙烯吡咯烷酮或乙烯基吡咯烷酮 - 乙酸乙烯酯共聚物,优选 (i)水难溶性物质,(ii)聚乙烯吡咯烷酮或乙烯基吡咯烷酮 - 乙酸乙烯酯共聚物的组合物,和(iii)辅助分散稳定剂。 通过采用这种结构,水溶性差的物质被充分微粉化,并且可以提供含有水难溶性物质显示良好吸收性的难溶于水的物质的组合物。 含有本发明的水溶性差的物质的组合物可以制成固体剂型,用于各种形式的口服给药,例如片剂,粉剂,颗粒剂,胶囊剂等。 因此,使用含有本发明的水溶性差的物质的组合物,例如可以实现作为水难溶性物质的药物的吸收性良好的各种剂型的药物制剂。