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    • 57. 发明申请
    • MICELLAR DRUG DELIVERY VEHICLES AND PRECURSORS THERETO AND USES THEREOF
    • MICELLAR DRUG交付车辆及其前身及其使用
    • US20080132564A1
    • 2008-06-05
    • US11834499
    • 2007-08-06
    • Richard LigginsLarry MurphyDechi Guan
    • Richard LigginsLarry MurphyDechi Guan
    • A61K47/30A61K31/337
    • A61K31/337A61K9/0019A61K9/107A61K9/19
    • Anhydrous formulations are formed of a diblock copolymer (X—Y) having a hydrophilic block X comprising residues of monomer x, and a hydrophobic block Y comprising residues of monomer y; an additive selected from a polymer and an organic solvent, where the solvent is water-miscible and biocompatible, and the polymer is hydrophobic or hydrophilic and comprises residues of monomers x and/or y, the polymer optionally having a molecular weight that is less than the molecular weight of the diblock copolymer; and a drug. Upon admixture with water, the anhydrous formulations form drug delivery vehicles, preferably in micellar form. The inclusion of polymer and/or organic solvent provides for the formation of micelles at an enhanced rate, and/or provides the formation of micelles having an enhanced ability to incorporate drug(s), and/or provides the formation of micelles having advantageous physical characteristics, e.g., advantageous viscosity and/or melting point.
    • 无水制剂由具有包含单体x的残基的亲水性嵌段X的二嵌段共聚物(X-Y)和包含单体y的残基的疏水性嵌段Y形成; 选自聚合物和有机溶剂的添加剂,其中溶剂是水可混溶和生物相容的,并且聚合物是疏水的或亲水的,并且包含单体x和/或y的残基,所述聚合物任选地具有小于 二嵌段共聚物的分子量; 和一种药物。 在与水混合时,无水制剂形成药物递送载体,优选以胶束形式存在。 包含聚合物和/或有机溶剂提供以增强的速率形成胶束,和/或提供具有增强的引入药物的能力的胶束的形成和/或提供具有有利物理性质的胶束的形成 特性,例如有利的粘度和/或熔点。