(UroToday.com) There has been a rapid evolution in treatment options for patients with non-metastatic castration-resistant prostate cancer (nmCRPC) since the spring of 2018. Up until the presentation of SPARTAN and PROSPER trials, reporting on the use of apalutamide and enzalutamide in nmCRPC, at GU ASCO in February 2018, there were no specifically approved treatment options for these patients.