Phase 2 Trial of Atezolizumab in Bacillus Calmette-Guérin–unresponsive High-risk Non–muscle-invasive Bladder Cancer: SWOG S1605

Peter C. Black, Catherine M. Tangen, Parminder Singh, David J. McConkey, M. Scott Lucia, William T. Lowrance, Vadim S. Koshkin, Kelly Stratton, Trinity J. Bivalacqua, Wassim Kassouf, Sima P. Porten, Rick Bangs, Melissa Plets, Ian M. Thompson, Seth P. Lerner