The present disclosure is directed to nanoparticle delivery systems for delivering biological agents, pharmaceutical compositions of comprising these nanoparticles, and methods of using these compositions. Certain embodiments of the present disclosure provide nanoparticles comprising polymers comprising alternating charged and uncharged segments comprising one or more of the following structural units of Formula (I) Formula (III):
wherein A is an uncharged segment comprising polyalkylene glycol; and B is a cationically charged segment comprising at least one polyhydroxy linkage.
本公开涉及用于递送
生物制剂的纳米颗粒递送系统、包含这些纳米颗粒的药物组合物以及使用这些组合物的方法。本公开的某些实施方案提供了由聚合物组成的纳米颗粒,聚合物包括交替带电和不带电的片段,这些片段由一个或多个下列结构单元组成式(I)式(III):
其中 A 是由聚亚烷基二醇组成的不带电片段;B 是由至少一个聚羟基连接组成的阳离子带电片段。