 SAN DIEGO, June 8, 2021 PRNewswire -- Cardiff Oncology, Inc. Nasdaq: CRDF, a clinical-stage biotechnology company developing onvansertib to treat cancers with the greatest medical needs for new treatment options, including KRAS-mutated colorectal cancer, pancreatic cancer and castrate-resistant prostate cancer, announced today that the first patient has been dosed in its Phase 2 clinical trial of onvansertib in combination with nanoliposomal irinotecan and 5-FU as a second-line treatment for metastatic pancreatic ductal adenocarcinoma PDAC. The Phase 2 open-label, multicenter trial, which is an integral part of Cardiff Oncologys focus on KRAS-mutated solid tumor cancers, is designed to assess the safety and preliminary efficacy of onvansertib in combination with standard-of-care as a second-line treatment in patients with metastatic PDAC who have failed first-line gemcitabine-based therapy. 