Charles Ryan, MD

Genitourinary oncologist

Dr. Charles J. Ryan is an oncologist, or cancer specialist, who specializes in the genitourinary tract at the UCSF Helen Diller Family Comprehensive Cancer Center. He is the program leader of Genitourinary Medical Oncology at UCSF.

Ryan's research focuses on the development of new treatment strategies for advanced cancer.

Ryan earned a medical degree at the University of Wisconsin, Madison. He completed a residency in internal medicine at the University of Wisconsin Hospital and Clinics, where he served as chief resident, and completed a fellowship in oncology-hematology at Memorial Sloan-Kettering Cancer Center in New York. In 2003, he joined UCSF, where he is a professor of clinical medicine and urology. Ryan also holds the Thomas Perkins Distinguished Professorship in Cancer Research.


Genitourinary Medical Oncology
1825 Fourth St., Fourth Floor
San Francisco, CA 94158
Phone: (415) 476-4616
Fax: (415) 353-7107

Hours: Monday to Friday
8 a.m. – 5 p.m.

Prostate Cancer Center
1825 Fourth St., Fourth Floor
San Francisco, CA 94158
Medical Oncology Phone: (415) 476-4616
Surgical Oncology Phone: (415) 353-7171
Medical Oncology Fax: (415) 353-7107
Surgical Oncology Fax: (415) 514-6195

Hours: Monday to Friday
8 a.m. – 5 p.m.

Conditions & Treatments

Academic Title


More about Charles Ryan

Additional Languages



University of Wisconsin School of Medicine 1996


University of Wisconsin Hospital and Clinics, Internal Medicine 2000


Memorial Sloan-Kettering Cancer Center, Medical Oncology/Hematology 2003

Selected Research and Publications

  1. Wei XX, Ko EC, Ryan CJ. Treatment strategies in low-volume metastatic castration-resistant prostate cancer. Curr Opin Urol. 2017 Nov; 27(6):596-603.
  2. Spratt DE, Dess RT, Zumsteg ZS, Lin DW, Tran PT, Morgan TM, Antonarakis ES, Nguyen PL, Ryan CJ, Sandler HM, Cooperberg MR, Posadas E, Feng FY. A Systematic Review and Framework for the Use of Hormone Therapy with Salvage Radiation Therapy for Recurrent Prostate Cancer. Eur Urol. 2017 Jul 14.
  3. Gillessen S, Attard G, Beer TM, Beltran H, Bossi A, Bristow R, Carver B, Castellano D, Chung BH, Clarke N, Daugaard G, Davis ID, de Bono J, Dos Reis RB, Drake CG, Eeles R, Efstathiou E, Evans CP, Fanti S, Feng F, Fizazi K, Frydenberg M, Gleave M, Halabi S, Heidenreich A, Higano CS, James N, Kantoff P, Kellokumpu-Lehtinen PL, Khauli RB, Kramer G, Logothetis C, Maluf F, Morgans AK, Morris MJ, Mottet N, Murthy V, Oh W, Ost P, Padhani AR, Parker C, Pritchard CC, Roach M, Rubin MA, Ryan C, Saad F, Sartor O, Scher H, Sella A, Shore N, Smith M, Soule H, Sternberg CN, Suzuki H, Sweeney C, Sydes MR, Tannock I, Tombal B, Valdagni R, Wiegel T, Omlin A. Management of Patients with Advanced Prostate Cancer: The Report of the Advanced Prostate Cancer Consensus Conference APCCC 2017. Eur Urol. 2017 Jun 24.
  4. Aggarwal R, Behr SC, Paris PL, Truillet C, Parker MFL, Huynh LT, Wei J, Hann B, Youngren J, Huang J, Premasekharan G, Ranatunga N, Chang E, Gao KT, Ryan CJ, Small EJ, Evans MJ. Real-Time Transferrin-Based PET Detects MYC-Positive Prostate Cancer. Mol Cancer Res. 2017 Sep; 15(9):1221-1229.
  5. Friedlander TW, Graff JN, Zejnullahu K, Anantharaman A, Zhang L, Paz R, Premasekharan G, Russell C, Huang Y, Kim W, Aggarwal RR, Lin AM, Fong L, Alumkal JJ, Beer TM, Sharifi N, Alyamani M, Dittamore R, Small EJ, Paris PL, Ryan CJ. High-Dose Abiraterone Acetate in Men With Castration Resistant Prostate Cancer. Clin Genitourin Cancer. 2017 Jun 03.
  6. Hope TA, Aggarwal R, Chee B, Tao D, Greene KL, Cooperberg M, Feng F, Chang A, Ryan CJ, Small EJ, Carroll PR. Impact of Ga-68 PSMA-11 PET on Management in Patients with Biochemically Recurrent Prostate Cancer. J Nucl Med. 2017 May 18.
  7. Zhao SG, Chang SL, Erho N, Yu M, Lehrer J, Alshalalfa M, Speers C, Cooperberg MR, Kim W, Ryan CJ, Den RB, Freedland SJ, Posadas E, Sandler H, Klein EA, Black P, Seiler R, Tomlins SA, Chinnaiyan AM, Jenkins RB, Davicioni E, Ross AE, Schaeffer EM, Nguyen PL, Carroll PR, Karnes RJ, Spratt DE, Feng FY. Associations of Luminal and Basal Subtyping of Prostate Cancer With Prognosis and Response to Androgen Deprivation Therapy. JAMA Oncol. 2017 May 11.
  8. Quigley D, Alumkal JJ, Wyatt AW, Kothari V, Foye A, Lloyd P, Aggarwal R, Kim W, Lu E, Schwartzman J, Beja K, Annala M, Das R, Diolaiti M, Pritchard C, Thomas G, Tomlins S, Knudsen K, Lord CJ, Ryan C, Youngren J, Beer TM, Ashworth A, Small EJ, Feng FY. Analysis of Circulating Cell-Free DNA Identifies Multiclonal Heterogeneity of BRCA2 Reversion Mutations Associated with Resistance to PARP Inhibitors. Cancer Discov. 2017 Sep; 7(9):999-1005.
  9. Crawford ED, Shore ND, Petrylak DP, Higano CS, Ryan CJ. Abiraterone acetate and prednisone in chemotherapy-na´ve prostate cancer patients: rationale, evidence and clinical utility. Ther Adv Med Oncol. 2017 May; 9(5):319-333.
  10. Smith MR, Saad F, Rathkopf DE, Mulders PFA, de Bono JS, Small EJ, Shore ND, Fizazi K, Kheoh T, Li J, De Porre P, Todd MB, Yu MK, Ryan CJ. Clinical Outcomes from Androgen Signaling-directed Therapy after Treatment with Abiraterone Acetate and Prednisone in Patients with Metastatic Castration-resistant Prostate Cancer: Post Hoc Analysis of COU-AA-302. Eur Urol. 2017 Jul; 72(1):10-13.
  11. Aggarwal R, Thomas S, Pawlowska N, Bartelink I, Grabowsky J, Jahan T, Cripps A, Harb A, Leng J, Reinert A, Mastroserio I, Truong TG, Ryan CJ, Munster PN. Inhibiting Histone Deacetylase as a Means to Reverse Resistance to Angiogenesis Inhibitors: Phase I Study of Abexinostat Plus Pazopanib in Advanced Solid Tumor Malignancies. J Clin Oncol. 2017 Apr 10; 35(11):1231-1239.
  12. Rathkopf DE, Antonarakis ES, Shore ND, Tutrone RF, Alumkal JJ, Ryan CJ, Saleh M, Hauke RJ, Bandekar R, Maneval EC, de Boer CJ, Yu MK, Scher HI. Safety and Antitumor Activity of Apalutamide (ARN-509) in Metastatic Castration-Resistant Prostate Cancer with and without Prior Abiraterone Acetate and Prednisone. Clin Cancer Res. 2017 Jul 15; 23(14):3544-3551.
  13. Aggarwal R, Bryce A, Ryan CJ, Harzstark A, Derleth C, Kim W, Friedlander T, Lin AM, Rodvelt-Bagchi T, Dhawan M, Zhang L, Lee M, Siebeneck E, Hough J, Small EJ. A multicenter phase I study of cabazitaxel, mitoxantrone, and prednisone for chemotherapy-na´ve patients with metastatic castration-resistant prostate cancer: A department of defense prostate cancer clinical trials consortium study. Urol Oncol. 2017 Apr; 35(4):149.e7-149.e13.
  14. Xu XS, Ryan CJ, Stuyckens K, Smith MR, Saad F, Griffin TW, Park YC, Yu MK, De Porre P, Vermeulen A, Poggesi I, Nandy P. Modeling the Relationship Between Exposure to Abiraterone and Prostate-Specific Antigen Dynamics in Patients with Metastatic Castration-Resistant Prostate Cancer. Clin Pharmacokinet. 2017 Jan; 56(1):55-63.
  15. Guinney J, Wang T, Laajala TD, Winner KK, Bare JC, Neto EC, Khan SA, Peddinti G, Airola A, Pahikkala T, Mirtti T, Yu T, Bot BM, Shen L, Abdallah K, Norman T, Friend S, Stolovitzky G, Soule H, Sweeney CJ, Ryan CJ, Scher HI, Sartor O, Xie Y, Aittokallio T, Zhou FL, Costello JC. Prediction of overall survival for patients with metastatic castration-resistant prostate cancer: development of a prognostic model through a crowdsourced challenge with open clinical trial data. Lancet Oncol. 2017 01; 18(1):132-142.
  16. Wei XX, Chan S, Kwek S, Lewis J, Dao V, Zhang L, Cooperberg MR, Ryan CJ, Lin AM, Friedlander TW, Rini B, Kane C, Simko JP, Carroll PR, Small EJ, Fong L. Systemic GM-CSF Recruits Effector T Cells into the Tumor Microenvironment in Localized Prostate Cancer. Cancer Immunol Res. 2016 Nov; 4(11):948-958.
  17. Hope TA, Truillet C, Ehman EC, Afshar-Oromieh A, Aggarwal R, Ryan CJ, Carroll PR, Small EJ, Evans MJ. 68Ga-PSMA-11 PET Imaging of Response to Androgen Receptor Inhibition: First Human Experience. J Nucl Med. 2017 Jan; 58(1):81-84.
  18. Dhawan M, Ryan CJ. Utility of novel androgen receptor therapies in the real world: A nuanced approach. Urol Oncol. 2016 Aug; 34(8):340-7.
  19. de Bono JS, Smith MR, Saad F, Rathkopf DE, Mulders PFA, Small EJ, Shore ND, Fizazi K, De Porre P, Kheoh T, Li J, Todd MB, Ryan CJ, Flaig TW. Subsequent Chemotherapy and Treatment Patterns After Abiraterone Acetate in Patients with Metastatic Castration-resistant Prostate Cancer: Post Hoc Analysis of COU-AA-302. Eur Urol. 2017 Apr; 71(4):656-664.
  20. Dhawan M, Ryan CJ, Ashworth A. DNA Repair Deficiency Is Common in Advanced Prostate Cancer: New Therapeutic Opportunities. Oncologist. 2016 Aug; 21(8):940-5.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.