The primary objective of this clinical trial is to assess the radiographic progression free survival (rPFS) of BMS-986365 versus investigator's choice comprising Docetaxel + Prednisone/Prednisolone or Abiraterone + Prednisone/Prednisolone or Enzalutamide.
In Part 1, participants will be randomized 1:1:1 to one of the two BMS-986365 dose levels, or to the active comparator arm (investigator's choice). In Part 2 of the study, participants will be randomized 1:1 between BMS-986365 selected dose, or to the active comparator arm (investigator's choice).