RecruitingPhase 2Drug trialDifluoromethylornithine and High Dose Testosterone With Enzalutamide in Metastatic Castration-Resistant Prostate CancerAsymptomatic patients with metastatic castrate resistant prostate cancer (mCRPC) without pain due to prostate cancer will be treated on an open label study to evaluate effectiveness of sequential treatment with the combination of difluoromethylornithine (DFMO) and high dose testosterone in sequence with enzalutamide to improve primary and secondary outcomes.