[EN] C10-SUBSTITUTED CAMPTOTHECIN ANALOGS<br/>[FR] ANALOGUES DE LA CAMPTOTHÉCINE SUBSTITUÉE EN C10
申请人:BIONUMERIK PHARMACEUTICALS INC
公开号:WO2009051578A1
公开(公告)日:2009-04-23
The novel C10-modified camptothecin analogs, and pharmaceutically-acceptable salts thereof, of the present invention: (i) possess potent antitumor activity (i.e., in nanomolar or subnanomolar concentrations) for inhibiting the growth of human and animal tumor cells in vitro; (ii) are potent inhibition of Topoisomerase I; (iii) lack of susceptibility to MDR/MRP drug resistance; (iv) require no metabolic drug activation: (v) lack glucuronidation of the A-ring or B-ring; (vi) reduce drug-binding affinity to plasma proteins; (vii) maintain lactone stability; (viii) maintain drug potency; and (ix) possess a low molecular weight (e.g., MW<600).
本发明的C10修饰的紫杉醇类似物及其药用盐具有以下特点:(i)具有强大的抗肿瘤活性(即在纳摩尔或亚纳摩尔浓度下)可抑制体外人类和动物肿瘤细胞的生长;(ii)对拓扑异构酶I有强大的抑制作用;(iii)不易受到MDR/MRP药物耐药性的影响;(iv)无需代谢激活;(v)A环或B环不发生葡萄糖醛酸化;(vi)减少药物与血浆蛋白的结合亲和力;(vii)保持内酯稳定性;(viii)保持药物效力;(ix)具有低分子量(例如,分子量<600)。