RecruitingPhase 2Drug trialSequential Testosterone and Enzalutamide Prevents Unfavorable ProgressionAsymptomatic men without pain due to prostate cancer progressing with metastatic CRPC after treatment with combination or sequential ADT + Abi will be treated on a randomized, open label study to determine if sequential treatment with high dose T and Enza will improve primary and secondary objectives vs. continuous Enza as standard therapy.