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    • 6. 发明申请
    • SOLID DOSAGE FORMULATIONS OF AN OREXIN RECEPTOR ANTAGONIST
    • OREXIN受体拮抗剂的固体剂量配方
    • WO2013181174A3
    • 2014-01-30
    • PCT/US2013042959
    • 2013-05-29
    • MERCK SHARP & DOHMEHARMON PAUL AVARIANKAVAL NARAYAN
    • HARMON PAUL AVARIANKAVAL NARAYAN
    • A61K31/551
    • A61K31/551A61K9/2013A61K9/2018A61K9/2027A61K9/2054A61K47/32A61K47/38
    • The present invention is directed to a pharmaceutical composition comprising the compound suvorexant, or a pharmaceutically acceptable salt thereof, a concentration-enhancing polymer, and optionally a pharmaceutically acceptable surfactant. The concentration-enhancing polymer is a polymer that forms an amorphous dispersion with suvorexant, that is insoluble or almost completely insoluble in water by (a) dissolving the suvorexant or (b) interacting with the suvorexant in such a way that the suvorexant does not form crystals or crystalline domains in the polymer. A concentration-enhancing polymer is water soluble or readily disperse in water, so that when the polymer is placed in water or an aqueous environment (e.g. fluids in the gastrointestinal (Gl) tract or simulated Gl fluids), the solubility and/or bioavailability of suvorexant is increased over the solubility or bioavailability in the absence of the polymer.
    • 本发明涉及一种药物组合物,其包含化合物促氧化剂或其药学上可接受的盐,浓度增强聚合物和任选的药学上可接受的表面活性剂。 浓度增强聚合物是通过(a)将suvorexant溶解或(b)与suvorexant相互作用以使得suvorexant不形成的方式形成具有suvorexant的无定形分散体的聚合物,其不溶或几乎完全不溶于水 聚合物中的晶体或结晶域。 浓度增强聚合物是水溶性的或容易分散在水中,使得当聚合物置于水或水性环境(例如胃肠道(G1)道或模拟的Gl液中的流体)时,溶解度和/或生物利用度 在不存在聚合物的情况下,苏维素增加超过溶解度或生物利用度。