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    • 10. 发明授权
    • Biodegradable targetable microparticle delivery system
    • 可生物降解的可靶向微粒输送系统
    • US06471996B1
    • 2002-10-29
    • US09499532
    • 2000-02-11
    • Kenneth K. SokollPele ChongMichel H. Klein
    • Kenneth K. SokollPele ChongMichel H. Klein
    • A61K914
    • A61K9/1647A61K9/167A61K2039/55555C08G63/6852Y10S514/952Y10S530/815Y10S530/816Y10T428/2982
    • Copolymers designed for use as particulate carriers containing functionalizable amino acid subunits for coupling with targeting ligand are described. The copolymers are polyesters composed of &agr;-hydroxy acid subunits such as D,L-lactide and &agr;-amino acid subunits such as serine or in the preferred embodiment, terpolymers of D,L-lactide and glycolide and &agr;-amino acid subunits such as serine. Stable vaccine preparations useful as delayed release formulations containing antigen(s) or antigen(s) and co-adjuvants encapsulated within or physically mixed with polymeric microparticles are described. The particulate carriers are useful for delivering agents to the immune system of a subject by mucosal or parenteral routes to produce immune responses, including antibody responses.
    • 描述了设计用作颗粒载体的共聚物,其含有用于与靶配体偶联的可官能化氨基酸亚单位。 共聚物是由α-羟基酸亚基如D,L-丙交酯和α-氨基酸亚基如丝氨酸组成的聚酯,或在优选的实施方案中,D,L-丙交酯和乙交酯和α-氨基酸亚基的三元共聚物如 丝氨酸 描述了可用作延迟释放制剂的稳定的疫苗制剂,其含有包封在聚合物微粒内或物理混合的聚合物微粒中的抗原或抗原和辅助佐剂。 颗粒载体可用于通过粘膜或肠胃外途径将药物递送至受试者的免疫系统,以产生包括抗体反应的免疫应答。