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    • 19. 发明申请
    • Method for transdermal controlled release drug delivery
    • 透皮控释药物递送方法
    • US20100226966A1
    • 2010-09-09
    • US12380713
    • 2009-03-03
    • Peter E. Daddona
    • Peter E. Daddona
    • A61K9/70A61P5/18
    • A61K9/0021
    • Provided herein are dosing methods for administering a biologically active agent using microprojections and microprojection arrays. The microprojections may be coated with at least two layers in order to achieve sustained release of the agent into a patient's blood stream. One layer comprises a biologically active agent, for example, a PTH agent and optionally other excipients. Another layer, which is generally, initially devoid of active agent comprises a polymer or a mix of polymers to provide controlled release, for example sustained release, of the biologically active agent contained in the first layer. Microprojections coated with multiple layers, some layers containing a biologically active agent and other layers containing a polymer for controlled release are also contemplated herein.
    • 本文提供了使用微喷射和微喷射阵列施用生物活性剂的给药方法。 微注射剂可以涂覆至少两层,以便将试剂持续释放到患者的血液中。 一层包括生物活性剂,例如PTH剂和任选的其它赋形剂。 通常最初没有活性剂的另一层包括聚合物或聚合物混合物,以提供包含在第一层中的生物活性剂的受控释放,例如缓释。 涂覆有多层的微喷射剂,含有生物活性剂的一些层和含有用于控制释放的聚合物的其它层也在本文中考虑。