Cytotoxic agents comprising taxanes and their therapeutic use

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 305/14 (2006.01) A61K 39/395 (2006.01) A61K 47/48 (2006.01) A61P 35/00 (2006.01) C07K 16/28 (2006.01) C07K 16/30 (2006.01) C07K 16/32 (2006.01)

Patent

CA 2388063

A cytotoxic agent comprising one or more taxanes linked to a cell binding agent. A therapeutic composition for killing 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. A method for killing 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. Novel sulfur-containing taxanes.

Cette invention se rapporte à un agent cytotoxique comprenant un ou plusieurs taxanes liés à un agent de fixation des cellules; à une composition thérapeutique servant à détruire des populations de cellules choisies et comprenant à cet effet: (A) une quantité cytotoxique d'un ou de plusieurs taxanes liés par covalence à un agent de fixation des cellules par un groupe de liaison, et (B) un véhicule, un diluant ou un excipient acceptable sur le plan pharmaceutique; à un procédé de destruction de populations de cellules choisies consistant à mettre des cellules cibles ou des tissus contenant des cellules en contact avec une quantité efficace d'un agent cytotoxique comprenant un ou plusieurs taxanes liés à un agent de fixation des cellules. Cette invention concerne également de nouveaux taxanes contenant du soufre.

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