Frederick Ahmann, MD

Professor of Medicine and Surgery
Email Address: 
Phone Number: 
(520) 626-8096
(520) 626-8095
Professional Bio: 

Dr. Ahmann currently serves as Professor of Medicine and Surgery, and holds the John Norton Endowed Chair for Prostate Cancer Research at the University of Arizona.  Additionally, he also served as Director of the Hematology/ Oncology Fellowship Program, and Co­Director of the Prostate Cancer Prevention Program.  His clinical practice focuses on treatment of advanced and hormone resistant prostate cancer, in addition to bladder cancer and testicular cancer which are his areas of clinical interest. He is an active medical and cancer researcher. He has been recognized as one of the Best Doctors in America for prostate and genitourinary malignancies.

Dr. Ahmann is certified by the American Board of Internal Medicine, subspecialty of Medical Oncology, and the American Board of Internal Medicine.

Dr. Ahmann has also been dedicated to research in prostate cancer for the past 30 years, having served as Principal Investigator and co-Principal Investigator on many NIH/NCI funded projects.   Recently concluded projects include Phase 2 and Phase 3 randomized controlled trials to investigate the role of selenium on initiation ad nprogression of prostate cancer. Currently his focus is towards mentoring young investigators to develop their research skills.  They have strong research infrastructure at the University of Arizona Cancer Center (UACC). Dr. Ahmann has a long standing relationship with the shared resources at the UACC.

Medical Oncology

Clinical Information

Disease or Clinical Specialty: 
Bladder Cancer
Prostate Cancer
Testicular Cancer

Research Information

Research Program: 
Cancer Prevention and Control
Member Status: 
Associate Research Member
Year of Membership Acceptance: 
Selected Publications: 
  1. Algotar AM, Stratton MS, Ahmann FR, Ranger-Moore J, Nagle RB, Thompson PA, Slate E, Hsu CH, Dalkin BL, Sindhwani P, Holmes MA, Tuckey JA, Graham DL, Parnes HL, Clark LC, Stratton SP. Phase 3 clinical trial investigating the effect of selenium supplementation in men at high-risk for prostate cancer. Prostate. 2013 Feb 15;73(3):328-35. doi: 10.1002/pros.22573. Epub 2012 Aug 10. PubMed PMID: 22887343; PubMed Central PMCID: PMC4086804.
  2. Nguyen MM, Ahmann FR, Nagle RB, Hsu CH, Tangrea JA, Parnes HL, Sokoloff MH, Gretzer MB, Chow HH. Randomized, double-blind, placebo-controlled trial of polyphenon E in prostate cancer patients before prostatectomy: evaluation of potential chemopreventive activities. Cancer Prev Res (Phila). 2012 Feb;5(2):290-8. doi: 10.1158/1940-6207.CAPR-11-0306. Epub 2011 Nov 1. PubMed PMID: 22044694; PubMed Central PMCID: PMC3273617.
  3. Stratton MS, Algotar AM, Ranger-Moore J, Stratton SP, Slate EH, Hsu CH, Thompson PA, Clark LC, Ahmann FR. Oral selenium supplementation has no effect on prostate-specific antigen velocity in men undergoing active surveillance for localized prostate cancer. Cancer Prev Res (Phila). 2010 Aug;3(8):1035-43. doi: 10.1158/1940-6207.CAPR-09-0143. Epub 2010 Jul 20. PubMed PMID: 20647337; PubMed Central PMCID: PMC4533875.
  4. Algotar AM, Thompson PA, Ranger-Moore J, Stratton MS, Hsu CH, Ahmann FR, Nagle RB, Stratton SP. Effect of aspirin, other NSAIDs, and statins on PSA and PSA velocity. Prostate. 2010 Jun 1;70(8):883-8. doi: 10.1002/pros.21122. PubMed PMID: 20135645; PubMed Central PMCID: PMC4527537.
  5. Algotar AM, Thompson PA, Ranger-Moore J, Stratton MS, Hsu CH, Ahmann FR, Nagle RB, Stratton SP. Differences in characteristics of men with localised prostate cancer who demonstrate low, intermediate or high prostate-specific antigen velocity. Intern Med J. 2012 Apr;42(4):374-80. doi: 10.1111/j.1445-5994.2011.02473.x. PubMed PMID: 21395960; PubMed Central PMCID: PMC4527543.
  6. Algotar AM, Stratton SP, Ranger-Moore J, Stratton MS, Hsu CH, Ahmann FR, Nagle RB, Thompson PA. Association of obesity and smoking with PSA and PSA velocity in men with prostate cancer. Am J Mens Health. 2011 May;5(3):272-8. doi: 10.1177/1557988310390030. PubMed PMID: 21613377; PubMed Central PMCID: PMC4527598.
  7. Chen Z, Maricic M, Nguyen P, Ahmann FR, Bruhn R, Dalkin BL. Low bone density and high percentage of body fat among men who were treated with androgen deprivation therapy for prostate carcinoma. Cancer. 2002 Nov 15;95(10):2136-44. PubMed PMID: 12412167.
Collaborative Research: 
Southwest Oncology Group    (Ahmann, PI)                                                                           2001-2013
Selenium and Vitamin E Prostate Cancer Prevention Trial (SELECT)
To  determine  if Selenium  and Vitamin  E either  alone  or in combination  will decrease  in the  incidence  of prostate cancer when compared to placebo.
Role: Site PI

Professional Information

Positions and Honors: 
1999-present  Professor of Medicine and Surgery, Univ. of Arizona College of Medicine, Tucson, AZ.
1994-1999      Associate Professor of Surgery, Univ. of Arizona College of Medicine, Tucson, AZ.
1987-1999      Associate Professor of Medicine, Univ. of Arizona College of Medicine, Tucson, AZ.
1987-1995      Chief, Section of Hematology/Oncology, Tucson VA Medical Center, Tucson, AZ.
1981-1997      Staff Physician, Section of Hematology/Oncology, Tucson VA Medical Center, Tucson,
1981-1987      Assistant Professor of Medicine, Univ. of Arizona College of Medicine, Tucson, AZ.
Honors and Awards:
2008            First Recipient of John & Doris Norton Chair for Prostate Cancer Research, University of Arizona
2002-2010  "Best Physicians in Arizona"
2002            "Teaching Appreciation Award", Urology Section Residency. University of Arizona
1999            "Excellence in Teaching Award" Hematology/Oncology Fellowship program
1995            "Patient's Choice Award", University Medical Center, Tucson, Arizona
1994-2010  "Best Physicians in America" for Prostate and Genito-Urinary Malignancies
1993            "Patient's Choice Award", University medical Center, Tucson, Arizona
1993            "Clinician of the Year Award", Department of Veterans Affairs Medical Center
1992            "Best Physicians in the United States"
1989            Tucson VA Medical Director's commendation
1989            Hands and Heart Award", Department of Veterans Affairs

Academic Information

University of Arizona, Tucson, AZ
Georgetown University Hospital, Washington, DC
Medical School: 
University of Missouri, Columbia, MO
Undergraduate School: 
Duke University, Durham, NC