The Urology Center of Colorado

Center Information

Candice Fortuna
Clinical Research Recruiter
The Urology Center of Colorado
2777 Mile High Stadium Circle
Denver, CO 80211
303-421-5783 (Main) or
303-783-2773 (Direct)

Currently Enrolling Trials

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Therapeutic Areas



The Urology Center of Colorado (TUCC) is the only comprehensive urology center in the Rocky Mountain region, providing treatment for all urologic conditions. TUCC services include ambulatory surgery, brachytherapy, female urology, lithotripsy, male fertility treatments, minimally invasive treatments for prostate disease, patient support groups, radiation oncology, treatment of urologic cancers, urodynamics, vasectomy and vasectomy reversals. In operation since December 2006, the TUCC physician team includes 16 board certified urologists and radiation oncologists. Our mission is excellence in urology.


Lawrence Karsh, M.D., F.A.C.S., CPI of research studies at TUCC. Dr. Karsh has been involved in research since 1993 and has served as a principal investigator for over 120 studies. He has also conducted workshops for clinical research and serves on advisory panels for investigational drugs..

Dr. Karsh received his B.A. in Boulder from the University of Colorado before obtaining his medical doctorate from The Chicago Medical School. He then completed a general surgery internship and residency at the University of Colorado Health Sciences Center. Dr. Karsh completed his residency in urology at the Brigham and Women's Hospital Harvard Medical School in Boston, Massachusetts. Dr. Karsh is Board Certified in Urology. Dr. Karsh joined Western Urologic Associates in 1999. Western Urologic partnered with Colorado Urology Associates in 2006 to form the premier urology center, TUCC.


The internationally recognized TUCC Clinical Research Department provides patients with access to tomorrow’s urologic therapies today. In 2008, the department was awarded acceptance into the Society of Urologic Oncology Clinical Trials Consortium. TUCC is one of only 22 large urology groups in the country with this designation.


Lawrence Karsh, M.D., F.A.C.S.

Dr. Karsh and his staff have more than 17 years of clinical research experience.

Robin L. Dorsey BA, CCRC, Manager Clinical Research
Robin Dorsey is a certified clinical research coordinator with a degree in biology and minor in holistic health. She also holds certifications as a medical assistant, emergency medical technician and is IV certified. She has worked in the health care industry for 35 years and has 20 years of experience in clinical research. She has completed over 150 clinical studies in the therapeutic areas of endocrinology, GI, respiratory, dermatology, cardiovascular, neurology and urology. Robin has experience with phase I-V and investigation driven studies. For the past nine years she has served as the Site Manager for The Urology Center of Colorado Clinical Research Department. Robin is married with three grown children and three grandchildren.

Judy Gibson, Certified Clinical Research Coordinator
Judy is an ACRP certified clinical research coordinator who began working in clinical research in 2008. She has conducted and assisted on many clinical trials in the therapeutic specialties of gastroenterology, neurology and urology.

Candice Fortuna-Smith, Clinical Research Recruiter
Candice is a full-time clinical research recruiter who has been working with The Urology Center of Colorado since 2008. Prior to beginning work in the research field, she worked in a medical laboratory for more than 10 years.

Gloryna Paul, Certified Clinical Research Coordinator
Gloryna is a certified clinical research coordinator who has worked in the clinical research field for the past four years. She has conducted many research studies in areas such as hypertension, cholesterol, IBS, COPD and urology.

Chris Lightsey, MA, CRC, Clinical Research Coordinator
Chris has worked with Dr. Karsh since 1994. She began assisting in research in 2011 and transitioned from a clinical medical assistant to research coordinator full-time in December 2012.

Sub Investigators:

  • Brett Abernathy, M.D., F.A.C.S.
  • Richard Augspurger, M.D., F.A.C.S.
  • Eric Gross, M.D.
  • Richard Heppe, M.D.
  • Elias Hsu, M.D.
  • Mark Jones, M.D.
  • Donald May, M.D.
  • Jesse Mills, M.D.
  • Juan Montoya, M.D., F.A.C.S.
  • Ferdinand Mueller, Jr., M.D.
  • Alexander Philpott, M.D.
  • David Ragan, M.D.
  • Stephen Ruyle, M.D., F.A.C.S.
  • Brian Smith, M.D.
  • Carsten Sorensen, M.D.
  • Staff

    At TUCC, Dr. Karsh serves as the director of our clinical research center. He specializes in prostate disease, brachytherapy, minimally invasive prostate surgery, genitourinary, oncology and reconstructive surgery. He is also fluent in Spanish.


    The Clinical Research Department at TUCC has the ability to use a central IRB and can also utilize the services of a local Internal Review Boards for the protection of our study subjects and review of our research studies.

    TUCC is an outpatient urologic center conveniently located just north of Sports Authority Field at 2777 Mile High Stadium Circle in Denver, Colorado. Our center is located near several public transportation routes including:

    RTD Stops:

    • Federal Boulevard and 23rd Avenue
    • Federal Boulevard and 17th Avenue

    Light Rail Stops:

    • C-Line at Sports Authority Field
    • Located just east of I-25, north of Auraria Parkway

    Contact Center

    If you are interested in contacting this center to discuss clinical trials, please complete and send the email form below. A representative from the research center will then follow up with you.