The present invention relates among other aspects to a conjugate or a pharmaceutically acceptable salt thereof or a pharmaceutical composition comprising said conjugate or its pharmaceutically acceptable salt for use in a method of preventing or treating an infection, wherein said conjugate is water-insoluble and comprises a polymeric moiety -Z to which a plurality of moieties -L2-X0D-L1-D are covalently conjugated, wherein each -D is independently an antibiotic moiety; each -L1- is independently a linker moiety to which -D is covalently and reversibly conjugated; each -X0D- is independently absent or a linkage and each -L2- is independently either a chemical bond or a spacer moiety.
本发明涉及一种共轭物或其药用可接受的盐,或包含所述共轭物或其药用可接受的盐的药物组合物,用于预防或治疗感染的方法,其中所述共轭物不溶于
水,包括一个聚合物基团-Z,其中多个基团-
L2-X0D-L1-D以共价结合方式共轭,其中每个-D独立地是抗生素基团;每个-L1-独立地是连接基团,与-D以共价和可逆方式结合;每个-X0D-独立地不存在或是一个连接,每个-
L2-独立地是
化学键或间隔基团。