Cardiff Oncology, Inc....today announced...data and analyses related to its ongoing Phase 2 trial of onvansertib in metastatic castration-resistant prostate cancer (mCRPC) patients...Of 8 patients harboring AR alterations associated with Zytiga® resistance, 3 achieved disease control at 12 weeks, 4 had SD at 12 weeks and 3 had durable SD (>7 months).