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).
Nicholas J. van As, MD, of The Royal Marsden NHS Foundation Trust, discusses an analysis of acute toxicity in the PACE-B study, which compared stereotactic body radiotherapy with conventionally fractionated or moderately hypofractionated external-beam radiotherapy for localized prostate cancer (Abstract 1).
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).
Craig R. Nichols, MD, of the Testicular Cancer Commons and the SWOG Group Chair's Office, discusses the superior outcomes obtained at high-volume centers, the impracticality of referring all patients to such centers, and the international efforts to develop virtual collaborations on salvage management and post-chemotherapy surgery.
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).
