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).
Stefanie C. Fischer, MD, of Manchester Cancer Research Centre and The Christie NHS Foundation Trust, discusses an international retrospective analysis of the rare clinical scenario of men relapsing after adjuvant treatment with bleomycin/etoposide/cisplatin for clinical stage I nonseminoma (Abstract 510).
Rana R. McKay, MD, of the University of California, San Diego, discusses phase II study findings on atezolizumab and bevacizumab in non–clear cell renal cell carcinoma and clear cell renal cell carcinoma with sarcomatoid differentiation (Abstract 548).
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).
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).
