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).
Brian C. Baumann, MD, of Washington University School of Medicine, discusses phase III study findings on adjuvant sequential chemotherapy plus radiotherapy vs adjuvant radiotherapy alone for locally advanced bladder cancer after radical cystectomy (Abstract 351).
Ignacio Duran, MD, PhD, of the Hospital Universitario Marqués de Valdecilla, discusses an overall survival analysis of the phase III METEOR trial of cabozantinib vs everolimus in advanced renal cell carcinoma (Abstract 550).
Brian I. Rini, MD, of the Cleveland Clinic Taussig Cancer Institute, discusses phase III findings on a comparison of tivozanib and sorafenib in patients with refractory advanced renal cell carcinoma (Abstract 541).