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    • 55. 发明申请
    • COMPOSITIONS FOR ORAL DELIVERY OF ACTIVE AGENTS
    • 用于口服递送活性药剂的组合物
    • WO1994018955A1
    • 1994-09-01
    • PCT/US1994001756
    • 1994-02-22
    • ALZA CORPORATION
    • ALZA CORPORATIONAMKRAUT, Alfred, A.YANG, Heechung
    • A61K09/51
    • A61K9/5138A61K47/6931A61K47/6933B82Y5/00Y10T428/2982
    • Compositions and methods for the oral administration of drugs and other active agents are provided. The compositions comprise an active agent carrier particle attached to a binding moiety which binds specifically to a target molecule present on the surface of a mammalian enterocyte. The binding moiety binds to the target molecule with a binding affinity or avidity sufficient to initiate endocytosis or phagocytosis of particulate active agent carrier so that the carrier will be absorbed by the enterocyte. The active agent will then be released from the carrier to the host's systemic circulation. In this way, degradation of degradation-sensitive drugs, such as polypeptides, in the intestines can be avoided while absorption of proteins and polypeptides from the intestinal tract is increased.
    • 提供口服药物和其它活性剂的组合物和方法。 组合物包含附着于结合部分的活性剂载体颗粒,其特异性结合存在于哺乳动物肠细胞表面上的靶分子。 结合部分以足以引发颗粒活性剂载体的内吞作用或吞噬作用的结合亲和力或结合亲和力结合靶分子,使载体被肠细胞吸收。 然后,活性剂将从载体释放到宿主的体循环。 以这种方式,可以避免肠道中降解敏感性药物如多肽的降解,同时增加从肠道吸收蛋白质和多肽。