发明名称 Therapeutic Nanoparticles Comprising A Therapeutic Agent And Methods Of Making And Using Same
摘要 The present disclosure generally relates to nanoparticles comprising a substantially hydrophobic acid, a basic therapeutic agent having a protonatable nitrogen, and a polymer. Other aspects include methods of making and using such nanoparticles.
申请公布号 US2017119672(A1) 申请公布日期 2017.05.04
申请号 US201715406042 申请日期 2017.01.13
申请人 Pfizer Inc. 发明人 Figueiredo Maria;Peeke Erick;Dewitt David;Van Geen Hoven Christina;Troiano Greg;Wright James;Song Young-Ho;Wang Hong
分类号 A61K9/16;A61K31/506;A61K31/404 主分类号 A61K9/16
代理机构 代理人
主权项 1. A therapeutic nanoparticle comprising: about 0.05 to about 30 weight percent of a substantially hydrophobic acid; about 0.2 to about 20 weight percent of a basic therapeutic agent having a protonatable nitrogen; wherein the pKa of the basic therapeutic agent is at least about 1.0 pKa units greater than the pKa of the hydrophobic acid; and about 50 to about 99.75 weight percent of a diblock poly(lactic) acid-poly(ethylene)glycol copolymer or a diblock poly(lactic acid-co-glycolic acid)-poly(ethylene)glycol copolymer, wherein the therapeutic nanoparticle comprises about 10 to about 30 weight percent poly(ethylene)glycol.
地址 New York NY US