(UroToday.com) Following the presentation from Dr. Armstrong of the final overall survival analysis of ARCHES examining the role of enzalutamide in metastatic castration sensitive prostate cancer (mCSPC), Dr. Oudard provided an invited discussion to contextualize these results in the Proffered Paper session of the European Society for Medical Oncology (ESMO) Annual Congress focusing on prostate cancer genitourinary tumors.