仅用于工业应用或科学研究,不可用于人类或动物的临床诊断或治疗,非药用. Tusamitamab ravtansine (SAR-408701) is a targeted ADC against tumor cells expressing CEACAM5, composed of a humanized anti-CEACAM5 monoclonal antibody covalently linked to the potent cytotoxic agent, maytansinoid DM4 (HY-12454), via a cleavable linker. Tusamitamab ravtansine has an average drug-to-antibody ratio (DAR) of 3.8