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    • 10. 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
    • WO02072150A2
    • 2002-09-19
    • PCT/CA0200326
    • 2002-03-13
    • ANGIOTECH PHARM INCLIGGINS RICHARDMURPHY LARRYGUAN DECHI
    • LIGGINS RICHARDMURPHY LARRYGUAN DECHI
    • A61K9/22A61K47/48
    • A61K47/6907
    • Anhydrous formulations are formed of a diblock copolymer (X-Y) having a hydrophilic bloc 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的残基的亲水性团块X和包含单体y残基的疏水性嵌段Y的二嵌段共聚物(X-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 特征,例如 ,有利的粘度和/或熔点。