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    • 3. 发明申请
    • COMPOSITIONS THAT INCLUDE A HYDROPHOBIC COMPOUND AND A POLYAMINO ACID CONJUGATE
    • 包含疏水化合物和聚氨基酸共混物的组合物
    • WO2008141107A3
    • 2009-04-23
    • PCT/US2008063114
    • 2008-05-08
    • NITTO DENKO CORPVAN SANGSONG YUCHENGWANG XINGHEHOU ZHENGFENG ZHONGLINGZHAO GANGYU LEI
    • VAN SANGSONG YUCHENGWANG XINGHEHOU ZHENGFENG ZHONGLINGZHAO GANGYU LEI
    • A61K47/48A61K49/00A61K49/12A61K49/18A61P35/00
    • B82Y5/00A61K47/645A61K47/6925A61K49/0056A61K49/085A61K49/146A61K49/1824
    • Various compositions that include a hydrophobic compound and a polyamino acid conjugate are prepared. The compositions described herein are useful for a variety of drug, biomolecule, and imaging agent delivery applications. The inventors have discovered novel compositions that include a polymer conjugate, a first hydrophobic drug, and a second hydrophobic drug. The polymer conjugates of the compositions described herein are capable of conjugating to a number of agents, such as imaging agents, targeting agents, stabilizing agents and/or drugs. In some embodiments, the polymers and the resulting conjugates preferentially accumulate in certain tissues (e.g. tumor tissues) and/or certain receptors, and thus are useful for delivering drugs (e.g., anticancer drugs) and/or imaging agents to specific parts of the body (e.g., tumors). In some embodiments, the polymers described herein and the resulting conjugates can form nanoparticles that effectively solubilize the drug in an aqueous system by dispersing it at a molecular level, thus increasing the functionality and/or bioavailability of the drug.
    • 制备包括疏水化合物和聚氨基酸缀合物的各种组合物。 本文描述的组合物可用于各种药物,生物分子和成像剂递送应用。 发明人已经发现了包括聚合物缀合物,第一疏水性药物和第二疏水性药物的新型组合物。 本文所述组合物的聚合物缀合物能够与许多试剂(例如成像剂,靶向剂,稳定剂和/或药物)共轭。 在一些实施方案中,聚合物和所得的缀合物优先积聚在某些组织(例如肿瘤组织)和/或某些受体中,因此可用于将药物(例如抗癌药物)和/或成像剂递送至身体的特定部位 (例如肿瘤)。 在一些实施方案中,本文所述的聚合物和所得的共轭物可以形成纳米颗粒,其通过将其分散在分子水平上来有效地将药物溶解在水性体系中,从而增加药物的功能性和/或生物利用度。