The present invention relates to a drug delivery system at least comprising a drug encapsulated in a polymeric nano vesicle (polymersome), wherein the drug component is an anthracycline derivative according to the formula I wherein R1 is selected from the group consisting of H, F, -OMe or -OEt; R2 is selected from the group consisting of H, -OMe, methyl or ethyl; R3 is selected from the group consisting of H, methyl or ethyl, and R4 is H or a protecting group; the polymersome is formed by polymers comprising PEG, PEA, PCL, PTMC or PTMB building blocks or combinations thereof, wherein the polymersome polymers are, at least in part, functionalized by chemically attaching via a linker group L a targeting moiety, wherein the targeting moiety is selected from the group consisting of antibodies, peptides, aptamers or mixtures thereof. In addition, the present invention relates to process for the production of an anthracycline derivative loaded, targeted polymersome drug delivery system, a pharmaceutical composition comprising said drug delivery system and the use of said pharmaceutical composition for the treatment of cancer.
本发明涉及一种药物递送系统,至少包括一种药物封装在聚合物纳米囊泡(聚合体)中,其中药物成分是按照公式I选择的
蒽环类衍
生物,其中R1选自H、F、-OMe或-OEt组成的群;R2选自H、-OMe、甲基或乙基组成的群;R3选自H、甲基或乙基组成的群,R4为H或保护基;聚合体由包含P
EG、
PEA、PCL、
PTMC或P
TMB构建块或其组合的聚合物形成,其中聚合体聚合物至少部分地通过连接基团L
化学连接靶向基团而被官能化,其中靶向基团选自
抗体、肽、适
配体或其混合物的组成。此外,本发明还涉及一种生产负载
蒽环类衍
生物、定向聚合体药物递送系统的方法,以及包括该药物递送系统的制药组合物和用于癌症治疗的该制药组合物的使用。