Provided is a co-polymer of formula A-B-C or a pharmaceutically acceptable salt thereof, where A comprises a water soluble polymer; B comprises a matrix metalloprotease (MMP)-cleavable polypeptide; C is a chemotherapeutic drug or a derivative thereof; and A is connected to B at a first end through a first covalent bond or a first linking moiety and B is connected to C at a second end through a second covalent bond or a second linking moiety, where the co-polymer is not cross-linked.
提供的是公式A-B-C的共聚物或其药学上可接受的盐,其中A包括
水溶性聚合物;B包括基质
金属
蛋白酶(MMP)可降解的
多肽;C是化疗药物或其衍
生物;A通过第一共价键或第一连接基团连接到B的第一端,而B通过第二共价键或第二连接基团连接到C的第二端,其中共聚物未交联。