Included within the scope of the present invention are potent taxanes containing a linking group. Also included is a cytotoxic agent comprising one or more taxanes linked to a cell binding agent. A therapeutic composition for inducing cell death in selected cell populations comprising: (A) a cytotoxic amount of one or more taxanes covalently bonded to a cell binding agent through a linking group, and (B) a pharmaceutically acceptable carrier, diluent or excipient is also included. A method for inducing cell death in selected cell populations comprising contacting target cells or tissue containing target cells with an effective amount of a cytotoxic agent comprising one or more taxanes linked to a cell binding agent is included as well.
本发明的范围包括含有连接基的有效紫杉
醇类化合物。还包括一种细胞毒性剂,该细胞毒性剂包括一个或多个紫杉
醇类化合物与一个细胞结合剂连接。还包括一种治疗组合物,用于诱导选定细胞群体的
细胞死亡,包括:(A)通过连接基与细胞结合剂共价键合的一个或多个紫杉
醇类化合物的细胞毒性量,以及(B)一种药学上可接受的载体、稀释剂或赋形剂。本发明还包括一种诱导选定细胞群体的
细胞死亡的方法,包括将含有目标细胞或组织的靶细胞与连接有一个或多个紫杉
醇类化合物的细胞结合剂的细胞毒性剂的有效量接触。