Abida W, Bryce A, Vogelzang N, Amato R, Percent I, Shapiro J, McDermott R, Hussain A, Patnaik A, Petrylak D, Ryan C, Stanton T, Zhang J, Simmons A, Despain D, Collins M, Golsorskhi T, Scher H, Chowdhury S. 793PD Preliminary results from TRITON2: A phase II study of rucaparib in patients (pts) with metastatic castration-resistant prostate cancer (mCRPC) associated with homologous recombination repair (HRR) gene alterations. Annals Of Oncology 2018, 29: viii272. DOI: 10.1093/annonc/mdy284.002.Peer-Reviewed Original Research