MP45-19 COMPARISON OF PREDICTIVE MARKERS OF EFFECTIVENESS OF PARP INHIBITORS VS IMMUNOTHERAPY FOR TREATMENT OF CLINICALLY ADVANCED PROSTATE CANCER (CAPC) BASED ON TMPRSS2:ERG FUSION STATUS. (May 2022) - Popovic, Aleksandar; Useva, Anastasija; Wang, Alex; Basin, Michael; Sager, Rebecca; Ross, Jeffrey; Bratslavsky, Gennady