RemeGen Co., Ltd. (“RemeGen”) today announced that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy designation for disitamab vedotin (RC48), a novel humanized anti-HER2 antibody drug conjugate (ADC), for the second-line treatment of patients with HER2 positive locally advanced or metastatic urothelial cancer (UC) who have also previously received platinum-containing chemotherapy treatment.