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    • 10. 发明申请
    • Dosage Form for Time-Varying Patterns of Drug Delivery
    • 药物递送时间变化模式的剂型
    • US20070207204A1
    • 2007-09-06
    • US11744999
    • 2007-05-07
    • David EdgrenPatrick WongShu Li
    • David EdgrenPatrick WongShu Li
    • A61K9/66
    • A61K9/0004A61K31/277
    • The present invention provides a multi-release oral drug delivery system that initiates drug release following an initial drug-free release interval, after administration to a subject, and a second drug-free release period before release of another dose of drug. The system has (1) inner compartments enclosed within a semipermeable membrane, and (2) a drug coating on the exterior of the semipermeable membrane surrounded by a microporous membrane, which microporous membrane is permeable to fluid and drug. The drug coating is released after the initial drug-free release interval. An inner compartment drug is released after a second drug-free release interval provided by a drug-free inner compartment.
    • 本发明提供一种多次释放的口服药物递送系统,其在给予受试者之后,在初始无药物释放间隔之后启动药物释放,以及释放另一剂量药物之前的第二无药物释放期。 该系统具有(1)封闭在半透膜内的内隔室,(2)由微孔膜包围的半透膜外部的药物涂层,该微孔膜可渗透流体和药物。 药物涂层在初始无药物释放间隔后释放。 在由无药物的内隔室提供的第二无药物释放间隔后释放内室药物。