Dr. Charles James Ryan, MD

Urologic Cancer Dr. Charles James Ryan is a medical oncologist specializing in urologic cancer. His focus in patient care is therapy for hormone refractory prostate cancer, hormonal therapy and systemic therapies for patients with high-risk localized prostate cancer. His research addresses the development of treatments targeting the mechanisms of androgen independent prostate cancer progression, including secondary hormonal therapies, immune-based therapies and angiogenesis inhibitors. Ryan also has experience in pre-clinical tumor modeling and the evaluation of prostate cancer genomics studies. In addition to treating patients with prostate cancer, he participates in clinical trials for patients with cancer of the testes, bladder and kidney. Ryan earned a medical degree at the University of Wisconsin, Madison, and completed a residency in internal medicine at the University of Wisconsin Hospital and Clinics, where he served as chief resident. He went on to complete a fellowship in oncology-hematology at Memorial Sloan-Kettering Cancer Center. He is an assistant clinical professor at UCSF.