申请人:Boyd Benjamin James
公开号:US20090324535A1
公开(公告)日:2009-12-31
The present invention relates to a macromolecule having a controlled terminal group stoichiometry, the macromolecule including a surface layer, at least one subsurface layer and at least two terminal groups including: a first terminal group which is a residue of a pharmaceutically active agent, a derivative thereof or precursor therefor; and a second terminal group selected to modify the pharmacokinetics of the pharmaceutically active agent and/or macromolecule, wherein terminal group stoichiometry refers to the number and type of terminal groups.
本发明涉及一种具有控制的末端基团化学计量的高分子,该高分子包括一个表面层、至少一个亚表面层和至少两个末端基团,其中包括:第一末端基团,它是药物活性剂、其衍生物或其前体的残基;和第二末端基团,被选择用来改变药物活性剂和/或高分子的药代动力学,其中末端基团化学计量是指末端基团的数量和类型。