Time to Prostate-Specific Antigen Nadir After Androgen Suppression Therapy for Postoperative or Postradiation PSA Failure and Risk of Prostate Cancer-Specific Mortality

The time to PSA nadir, combined with the PSA nadir level, can be used to identify men who are at high risk of PCSM after a short course of AST for entry onto clinical trials using novel systemic agents with AST.