Pembrolizumab monotherapy for high-risk non-muscle-invasive bladder cancer without carcinoma in situ and unresponsive to BCG (KEYNOTE-057): a single-arm, multicentre, phase 2 trial

Andrea Necchi, M. Roumiguié, Ashish M. Kamat, Neal D. Shore, Joost L. Boormans, Adil Esen, Thierry Lebrét, Shuya Kandori, Dean F. Bajorin, Laurence E. Krieger, Scot A. Niglio, Edward Uchio, Ho Kyung Seo, Ronald de Wit, Eric A. Singer, Petros Grivas, Hiroyuki Nishiyama, Haojie Li, Pranshu Baranwal, Margot Van den Sigtenhorst-Fijlstra, Ekta Kapadia, Girish S. Kulkarni