Enfortumab vedotin (EV) is the first nectin-4-targeting antibody-drug conjugate (ADC) approved by the FDA for the treatment of urothelial cancer. Overall, 9MW2821 is a nectin-4-directed, investigational antibody-drug conjugate based on innovative technology that endowed the drug with compelling preclinical antitumor activity and a favorable therapeutic index. The 9MW2821 antibody-drug conjugate is being investigated in a Phase I/II clinical trial (NCT05216965) in patients with advanced solid tumors.
Conclusions The results showed that 9MW2821 had manageable safety profile and promising antitumor activity. Enrollment continues to determine efficacy of 9MW2821 in certain solid tumors.