Dr. Andrea Necchi, Associate Professor of Oncology at Vita-Salute San Raffaele University and Director of Genitourinary Medical Oncology at IRCCS San Raffaele Hospital and Scientific Institute in Milan, Italy, describes his recent phase 2 study on the efficacy of pembrolizumab plus nab-paclitaxel in patients who have metastatic urothelial carcinoma and do not respond to chemotherapy.