This new indication marks the second FDA approval for sacituzumab govitecan (Trodelvy, Immunomedics) and was based on the phase 2, single-arm TROPHY-U-01 main efficacy endpoints in objective response rate (ORR) and duration of response (DOR). With a relative 5-year survival rate of 5.5%, this is a significant advancement for patients with metastatic urothelial cancer (mUC), the most common type of bladder cancer.