This was published a year ago, Feb 1, 2017, so I wonder if any of the possible new treatments listed have become more promising. Perhaps something here will pop out a someone on this site. It's over my head. I posted this link in a response to Dan's post about Proxalutamide, and thought maybe posting again, as a new topic might dig something else up.
Prostate Cancer - Newer Antiandrogens & Emerging Therapies Targeting a "Watchful Waiting" and Resistance Population