RecruitingPhase 1Drug trialA Study to Investigate the Biological Effects of Saruparib (AZD5305), Darolutamide, and in Combination in Men With Newly Diagnosed Prostate Cancer.A Study to Investigate the Biological Effects of Saruparib (AZD5305) Alone, Darolutamide Alone, and in Combination Given Prior to Radical Prostatectomy in Men with Newly Diagnosed Prostate Cancer (ASCERTAIN).