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    • 5. 发明公开
    • DERMAL COMPOSITION COMPRISING POLYMERIC REVERSED MICELLE, AND METHOD FOR PRODUCING SAME
    • DERMALE ZUSAMMENSETZUNG MIT EINER UMGEKEHRTEN POLYMEREN MIZELLE UND HERSTELLUNGSVERFAHRENDAFÜR
    • EP2671568A1
    • 2013-12-11
    • EP12741948.9
    • 2012-01-30
    • MARUHO Co., Ltd.
    • AKAMATSU, RyoSAKAGUCHI, TomokiSAKIYAMA, Hiroki
    • A61K9/107A61K47/06A61K47/10A61K47/14A61K47/34B01J13/00
    • A61K9/0014A61K9/1075A61K47/10A61K47/14A61K47/44B01J13/02
    • The present invention provides a dermal composition comprising a polymeric reversed micelle that allows a water-soluble drug to be efficiently encapsulated and that is superior in percutaneous absorptiveness and very safe, and provides a method that can produce the composition in simple steps. The dermal composition comprises a polymeric reversed micelle composed of an amphipathic polymer having a hydrophilic segment and a hydrophobic segment, wherein the polymeric reversed micelle has a configuration in which the hydrophilic segment is the core and the hydrophobic segment is the shell, and a water-soluble drug is encapsulated therein. The composition can be produced by blending an oil phase comprising the amphipathic polymer in an oily base agent with an aqueous phase comprising the water-soluble drug in an aqueous solvent, or by blending an oily base agent with an aqueous phase comprising the amphipathic polymer and the water-soluble drug in an aqueous solvent.
    • 本发明提供一种包含聚合物反胶束的真皮组合物,其允许水溶性药物被有效地包封,并且经皮吸收性优异且非常安全,并且提供了可以以简单步骤制备组合物的方法。 所述真皮组合物包含由具有亲水链段和疏水链段的两亲性聚合物组成的聚合物反胶束,其中所述聚合物反胶束具有其中亲水链段为核并且疏水链段为壳的构型, 可溶性药物被包封在其中。 组合物可以通过将油性基剂中包含两亲性聚合物的油相与包含水溶性药物的水相混合在水性溶剂中,或通过将油性基剂与包含两亲性聚合物的水相混合, 该水溶性药物在水性溶剂中。