US Patent Issued to SYSTIMMUNE on March 17 for "Bispecific antibody-camptothecin drug conjugate and pharmaceutical use thereof" (Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,325, issued on March 17, was assigned to SYSTIMMUNE INC. (Redmond, Wash.).

"Bispecific antibody-camptothecin drug conjugate and pharmaceutical use thereof" was invented by Yi Zhu (Chengdu, China), Weili Wan (Chengdu, China), Tianzi Yu (Chengdu, China), Guili Zhu (Chengdu, China), Yiying Zhang (Chengdu, China), Shi Zhuo (Chengdu, China), Yong Zhang (Chengdu, China) and Gangrui Li (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bispecific antibody simultaneously targeting two different epitopes or targets is coupled with a camptothecin drug to form a bispecific antibody-toxin conjugate that is stable in treatment and excellent in uni...