Tomas Etrych,Petr Chytil,Karel Ulbrich,Tomas Mrkvan,Blanka Rihova
申请号：
US12441619
公开号：
US08603990B2
申请日:
2007.09.18
申请国别(地区):
US
年份:
2013
代理人:
摘要：
A polymeric drug, in which a cancerostatic connected via spacers containing hydrolytically cleavable hydrazone bonds is bound to a water-soluble polymeric carrier prepared on the basis of a N-(2-hydroxypropyl)methacrylamide copolymer, wherein the structure of the polymeric drug consists of the main chain of N-(2-hydroxypropyl)methacrylamide carrying the cancerostatic and another chain of N-(2-hydroxypropyl)methacrylamide—a graft, which may also carry a cancerostatic, said grafts being bound to the main chain by a bond that is stable in the body and/or by a bond cleavable in the body, especially by an oligopeptide spacer selected from the series of GlyLeuGly (SEQ ID. NO. 1), GlyPheGly (SEQ ID. NO. 2), GlyPheLeuGly (SEQ ID. NO. 3) and GlyLeuPheGly (SEQ ID. NO. 4), and a method of its preparation.
