A DDS compound comprising a carboxy(C
1-4
)alkyldextran polyalcohol modified with a saccharide compound and a residue of drug compound bound to the carboxy(C
1-4
)alkyldextran polyalcohol, and a method for measuring a DDS compound in which a polymer carrier and a residue of drug compound are bound to each other by means of a spacer comprising 2 to 8 amino acids linked by peptide bond(s), which comprises the steps of treating the DDS compound with a peptidase, and measuring the resulting hydrolysate.
一种
DDS化合物,包括一种羧基(C1-4)烷基
葡聚糖多醇,该多醇被一种糖化合物修饰,并且一种药物化合物残基与羧基(C1-4)烷基
葡聚糖多醇结合,以及一种测量
DDS化合物的方法,其中聚合物载体和药物化合物残基通过含有2至8个
氨基酸的间隔物相互结合,该间隔物由肽键连接,包括以下步骤:用肽酶处理
DDS化合物,并测量所得的
水解物。