Howard I. Scher, MD, of Memorial Sloan Kettering Cancer Center, discusses circulating tumor cell number as a transitional surrogate endpoint for survival in phase II trials on metastatic castration-resistant prostate cancer (Abstract 143).
Toni K. Choueiri, MD, of Dana-Farber Cancer Institute, discusses a subgroup analysis from the JAVELIN Renal 101 study on outcomes for avelumab plus axitinib vs sunitinib in advanced renal cell carcinoma (Abstract 544).
Sumit K. Subudhi, MD, PhD, of The University of Texas MD Anderson Cancer Center, discusses the initial results from a phase II study of nivolumab plus ipilimumab in the treatment of metastatic castration-resistant prostate cancer (Abstract 142).
Thomas Powles, MD, PhD, of Queen Mary University of London, discusses phase III study findings on ramucirumab plus docetaxel vs placebo plus docetaxel in patients with advanced platinum-refractory urothelial carcinoma (Abstract 353).