Phase Ib dose-finding study of axitinib plus pembrolizumab in treatment-naïve patients with advanced renal cell carcinoma. Issue 2 (December 2015) - Atkins, Michael; Gupta, Shilpa; Choueiri, Toni; McDermott, David; Puzanov, Igor; Tarazi, Jamal; Keefe, Stephen; Rosbrook, Brad; Chakrabarti, Debasis; Plimack, Elizabeth