Tadalafil in Preventing Erectile Dysfunction in Patients With Prostate Cancer Treated With Radiation Therapy
Public ClinicalTrials.gov record NCT00931528. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Double-blind, Placebo-controlled Phase III Trial to Evaluate the Effectiveness of a Phosphodiesterase 5 Inhibitor, Tadalafil, in Prevention of Erectile Dysfunction in Patients Treated With Radiotherapy for Prostate Cancer
Study identification
- NCT ID
- NCT00931528
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Radiation Therapy Oncology Group
- Network
- Enrollment
- 242 participants
Conditions and interventions
Conditions
Interventions
- Placebo Other
- Tadalafil Drug
Other · Drug
Eligibility (public fields only)
- Age range
- 18 Years to 120 Years
- Sex
- Male
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 31, 2009
- Primary completion
- Nov 30, 2012
- Completion
- Oct 31, 2014
- Last update posted
- Feb 13, 2018
2009 – 2014
United States locations
- U.S. sites
- 183
- U.S. states
- 38
- U.S. cities
- 154
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham | Birmingham | Alabama | 35294 | — |
| Providence Hospital | Mobile | Alabama | 36608 | — |
| Arizona Center for Cancer Care-Peoria | Peoria | Arizona | 85381 | — |
| Mayo Clinic in Arizona | Scottsdale | Arizona | 85259 | — |
| Arizona Oncology Services Foundation | Scottsdale | Arizona | 85260 | — |
| Arizona Oncology Associates-West Orange Grove | Tucson | Arizona | 85704 | — |
| Sutter Cancer Centers Radiation Oncology Services-Auburn | Auburn | California | 95603 | — |
| Alta Bates Summit Medical Center-Herrick Campus | Berkeley | California | 94704 | — |
| Sutter Cancer Centers Radiation Oncology Services-Cameron Park | Cameron Park | California | 95682 | — |
| Mercy San Juan Medical Center | Carmichael | California | 95608 | — |
| Enloe Medical Center | Chico | California | 95926 | — |
| Saint Agnes Medical Center | Fresno | California | 93720 | — |
| Veterans Administration Long Beach Medical Center | Long Beach | California | 90822 | — |
| Northridge Hospital Medical Center | Northridge | California | 91325 | — |
| Kaiser Permanente Oakland-Broadway | Oakland | California | 94611 | — |
| Sutter Cancer Centers Radiation Oncology Services-Roseville | Roseville | California | 95661 | — |
| Radiological Associates of Sacramento | Sacramento | California | 95815 | — |
| Mercy General Hospital Radiation Oncology Center | Sacramento | California | 95819 | — |
| UCSF-Mount Zion | San Francisco | California | 94115 | — |
| California Pacific Medical Center | San Francisco | California | 94118 | — |
| Kaiser Permanente Cancer Treatment Center | South San Francisco | California | 94080 | — |
| Sutter Cancer Centers Radiation Oncology Services-Vacaville | Vacaville | California | 95687 | — |
| Sutter Solano Medical Center | Vallejo | California | 94589 | — |
| University of Colorado Cancer Center - Anschutz Cancer Pavilion | Aurora | Colorado | 80045 | — |
| Penrose-Saint Francis Healthcare | Colorado Springs | Colorado | 80907 | — |
| The Hospital of Central Connecticut | New Britain | Connecticut | 06050 | — |
| Christiana Care Health System-Christiana Hospital | Newark | Delaware | 19718 | — |
| Washington Hospital Center | Washington D.C. | District of Columbia | 20010 | — |
| Broward Health North | Deerfield Beach | Florida | 33064 | — |
| University of Florida | Gainesville | Florida | 32610 | — |
| Baptist Cancer Institute | Jacksonville | Florida | 32207 | — |
| Cancer Specialists of North Florida-Southside | Jacksonville | Florida | 32207 | — |
| University of Florida Health Science Center | Jacksonville | Florida | 32209 | — |
| Mayo Clinic in Florida | Jacksonville | Florida | 32224-9980 | — |
| Cancer Specialists of North Florida-Baptist South | Jacksonville | Florida | 32258 | — |
| Cancer Specialists of North Florida-Beaches | Jacksonville Beach | Florida | 32250 | — |
| University of Miami Miller School of Medicine-Sylvester Cancer Center | Miami | Florida | 33136 | — |
| 21st Century Oncology-Orange Park | Orange Park | Florida | 32073 | — |
| 21st Century Oncology-Palatka | Palatka | Florida | 32177 | — |
| Cancer Specialists of North Florida-Saint Augustine | Saint Augustine | Florida | 32086 | — |
| John B Amos Cancer Center | Columbus | Georgia | 31904 | — |
| Atlanta VA Medical Center | Decatur | Georgia | 30033 | — |
| Lewis Cancer and Research Pavilion at Saint Joseph's/Candler | Savannah | Georgia | 31405 | — |
| Queen's Medical Center | Honolulu | Hawaii | 96813 | — |
| University of Hawaii Cancer Center | Honolulu | Hawaii | 96813 | — |
| The Cancer Center of Hawaii-Liliha | Honolulu | Hawaii | 96817 | — |
| Saint Alphonsus Cancer Care Center-Boise | Boise | Idaho | 83706 | — |
| Advocate Illinois Masonic Medical Center | Chicago | Illinois | 60657 | — |
| Advocate Lutheran General Hospital. | Park Ridge | Illinois | 60068 | — |
| Saint John's Hospital | Springfield | Illinois | 62702 | — |
| Carle Cancer Center | Urbana | Illinois | 61801 | — |
| Saint Vincent Anderson Regional Hospital/Cancer Center | Anderson | Indiana | 46016 | — |
| IU Health Bloomington | Bloomington | Indiana | 47403 | — |
| Radiation Oncology Associates PC | Fort Wayne | Indiana | 46804 | — |
| Parkview Hospital Randallia | Fort Wayne | Indiana | 46805 | — |
| IU Health Goshen Center for Cancer Care | Goshen | Indiana | 46526 | — |
| Memorial Hospital of South Bend | South Bend | Indiana | 46601 | — |
| Northern Indiana Cancer Research Consortium | South Bend | Indiana | 46628 | — |
| Baptist Health Lexington | Lexington | Kentucky | 40503 | — |
| Mary Bird Perkins Cancer Center | Baton Rouge | Louisiana | 70809 | — |
| Ochsner Clinic CCOP | New Orleans | Louisiana | 70121 | — |
| Central Maine Medical Center | Lewiston | Maine | 04240 | — |
| Maine Medical Center- Scarborough Campus | Scarborough | Maine | 04074 | — |
| University of Maryland/Greenebaum Cancer Center | Baltimore | Maryland | 21201 | — |
| Saint Agnes Hospital | Baltimore | Maryland | 21229 | — |
| Johns Hopkins University/Sidney Kimmel Comprehensive Cancer Center | Baltimore | Maryland | 21287 | — |
| Central Maryland Radiation Oncology in Howard County | Columbia | Maryland | 21044 | — |
| Tate Cancer Center | Glen Burnie | Maryland | 21061 | — |
| Saint Anne's Hospital | Fall River | Massachusetts | 02721 | — |
| Cape Cod Hospital | Hyannis | Massachusetts | 02601 | — |
| Bronson Battle Creek | Battle Creek | Michigan | 49017 | — |
| Huron Valley-Sinai Hospital | Commerce | Michigan | 48382 | — |
| Wayne State University/Karmanos Cancer Institute | Detroit | Michigan | 48201 | — |
| Henry Ford Hospital | Detroit | Michigan | 48202 | — |
| Saint John Hospital and Medical Center | Detroit | Michigan | 48236 | — |
| McLaren-Flint | Flint | Michigan | 48532 | — |
| Mercy Health Saint Mary's | Grand Rapids | Michigan | 49503 | — |
| Spectrum Health at Butterworth Campus | Grand Rapids | Michigan | 49503 | — |
| West Michigan Cancer Center | Kalamazoo | Michigan | 49007 | — |
| William Beaumont Hospital-Royal Oak | Royal Oak | Michigan | 48073 | — |
| Saint Mary's of Michigan | Saginaw | Michigan | 48601 | — |
| Saint Luke's Hospital of Duluth | Duluth | Minnesota | 55805 | — |
| Mayo Clinic | Rochester | Minnesota | 55905 | — |
| Coborn Cancer Center at Saint Cloud Hospital | Saint Cloud | Minnesota | 56303 | — |
| United Hospital | Saint Paul | Minnesota | 55102 | — |
| Siteman Cancer Center - Saint Peters | City of Saint Peters | Missouri | 63376 | — |
| Washington University School of Medicine | St Louis | Missouri | 63110 | — |
| Barnes-Jewish West County Hospital | St Louis | Missouri | 63141 | — |
| Good Samaritan Hospital | Kearney | Nebraska | 68847 | — |
| Saint Elizabeth Regional Medical Center | Lincoln | Nebraska | 68510 | — |
| Nebraska Methodist Hospital | Omaha | Nebraska | 68114 | — |
| Concord Hospital | Concord | New Hampshire | 03301 | — |
| Wentworth-Douglass Hospital | Dover | New Hampshire | 03820 | — |
| Exeter Hospital | Exeter | New Hampshire | 03833 | — |
| Elliot Hospital | Manchester | New Hampshire | 03103 | — |
| Cooper Hospital University Medical Center | Camden | New Jersey | 08103 | — |
| MD Anderson Cancer Center at Cooper-Voorhees | Voorhees Township | New Jersey | 08043 | — |
| University of New Mexico Cancer Center | Albuquerque | New Mexico | 87106 | — |
| Memorial Medical Center - Las Cruces | Las Cruces | New Mexico | 88011 | — |
| New York Oncology Hematology PC - Albany | Albany | New York | 12206 | — |
| Southside Hospital | Bay Shore | New York | 11706 | — |
| Lourdes Hospital | Binghamton | New York | 13905 | — |
| Veteran Affairs New York Harbor Healthcare System-Brooklyn Campus | Brooklyn | New York | 11209 | — |
| Roswell Park Cancer Institute | Buffalo | New York | 14263 | — |
| Long Island Jewish Medical Center | New Hyde Park | New York | 11040 | — |
| Columbia University Medical Center | New York | New York | 10032 | — |
| Mission Hospital-Memorial Campus | Asheville | North Carolina | 28801 | — |
| Duke University Medical Center | Durham | North Carolina | 27710 | — |
| High Point Regional Hospital | High Point | North Carolina | 27261 | — |
| The Coleman Radiation Center-Carteret General Hospital | Morehead City | North Carolina | 28557 | — |
| CarolinaEast Health System-Medical Center | New Bern | North Carolina | 28560 | — |
| South Atlantic Radiation Oncology | Supply | North Carolina | 28462 | — |
| Coastal Carolina Radiation Oncology | Wilmington | North Carolina | 28401 | — |
| New Hanover Regional Medical Center | Wilmington | North Carolina | 28401 | — |
| Summa Akron City Hospital/Cooper Cancer Center | Akron | Ohio | 44304 | — |
| Summa Barberton Hospital | Barberton | Ohio | 44203 | — |
| University of Cincinnati | Cincinnati | Ohio | 45267 | — |
| Case Western Reserve University | Cleveland | Ohio | 44106 | — |
| Cleveland Clinic Cancer Center/Fairview Hospital | Cleveland | Ohio | 44111 | — |
| Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | — |
| Arthur G. James Cancer Hospital and Solove Research Institute at Ohio State University Medical Center | Columbus | Ohio | 43210 | — |
| Ohio State University Medical Center | Columbus | Ohio | 43210 | — |
| Cleveland Clinic Cancer Center Independence | Independence | Ohio | 44131 | — |
| Toledo Clinic Cancer Centers-Maumee | Maumee | Ohio | 43537 | — |
| Hillcrest Hospital Cancer Center | Mayfield Heights | Ohio | 44124 | — |
| Lake University Ireland Cancer Center | Mentor | Ohio | 44060 | — |
| Southwest General Health Center Ireland Cancer Center | Middleburg Heights | Ohio | 44130 | — |
| UHHS-Chagrin Highlands Medical Center | Orange | Ohio | 44122 | — |
| Cancer Care Center, Incorporated | Salem | Ohio | 44460 | — |
| Flower Hospital | Sylvania | Ohio | 43560 | — |
| UHHS-Westlake Medical Center | Westlake | Ohio | 44145 | — |
| Cancer Treatment Center | Wooster | Ohio | 44691 | — |
| Cleveland Clinic Wooster Specialty Center | Wooster | Ohio | 44691 | — |
| University of Oklahoma Health Sciences Center | Oklahoma City | Oklahoma | 73104 | — |
| Clackamas Radiation Oncology Center | Clackamas | Oregon | 97015 | — |
| Willamette Valley Cancer Center | Eugene | Oregon | 97401 | — |
| Three Rivers Community Hospital | Grants Pass | Oregon | 97527 | — |
| Providence Medford Medical Center | Medford | Oregon | 97504 | — |
| Rogue Valley Medical Center | Medford | Oregon | 97504 | — |
| Providence Portland Medical Center | Portland | Oregon | 97213 | — |
| Western Oncology Research Consortium | Portland | Oregon | 97213 | — |
| Providence Saint Vincent Medical Center | Portland | Oregon | 97225 | — |
| Abington Memorial Hospital | Abington | Pennsylvania | 19001 | — |
| Bryn Mawr Hospital | Bryn Mawr | Pennsylvania | 19010 | — |
| Delaware County Memorial Hospital | Drexel Hill | Pennsylvania | 19026 | — |
| Fox Chase Cancer Center Buckingham | Furlong | Pennsylvania | 18925 | — |
| Adams Cancer Center | Gettysburg | Pennsylvania | 17325 | — |
| Cherry Tree Cancer Center | Hanover | Pennsylvania | 17331 | — |
| Academic Urology Prostate Center | King of Prussia | Pennsylvania | 19406 | — |
| Fox Chase Cancer Center | Philadelphia | Pennsylvania | 19111 | — |
| Albert Einstein Medical Center | Philadelphia | Pennsylvania | 19141 | — |
| Lankenau Medical Center | Wynnewood | Pennsylvania | 19096 | — |
| WellSpan Health-York Hospital | York | Pennsylvania | 17405 | — |
| Spartanburg Regional Medical Center | Spartanburg | South Carolina | 29303 | — |
| Rapid City Regional Hospital | Rapid City | South Dakota | 57701 | — |
| Texas Oncology-Denton South | Denton | Texas | 76210 | — |
| The Klabzuba Cancer Center | Fort Worth | Texas | 76104 | — |
| University of Texas Medical Branch at Galveston | Galveston | Texas | 77555-0565 | — |
| West Texas Cancer Center | Odessa | Texas | 79761 | — |
| University of Texas Health Science Center | San Antonio | Texas | 78229 | — |
| Texas Cancer Center-Sherman | Sherman | Texas | 75090 | — |
| Texas Oncology Cancer Center Sugar Land | Sugar Land | Texas | 77479 | — |
| Tyler Cancer Center | Tyler | Texas | 75702 | — |
| Intermountain Medical Center | Murray | Utah | 84157 | — |
| Utah Valley Regional Medical Center | Provo | Utah | 84604-3337 | — |
| Utah Cancer Specialists-Salt Lake City | Salt Lake City | Utah | 84106 | — |
| Huntsman Cancer Institute/University of Utah | Salt Lake City | Utah | 84112 | — |
| Dixie Medical Center Regional Cancer Center | St. George | Utah | 84770 | — |
| University of Virginia | Charlottesville | Virginia | 22908 | — |
| Danville Regional Medical Center | Danville | Virginia | 24541 | — |
| Virginia Mason CCOP | Seattle | Washington | 98101 | — |
| Compass Oncology Vancouver | Vancouver | Washington | 98684 | — |
| Appleton Medical Center | Appleton | Wisconsin | 54911 | — |
| Saint Vincent Hospital | Green Bay | Wisconsin | 54301 | — |
| Gundersen Lutheran | La Crosse | Wisconsin | 54601 | — |
| Mayo Clinic Health System-Franciscan Healthcare | La Crosse | Wisconsin | 54601 | — |
| Bay Area Medical Center | Marinette | Wisconsin | 54143 | — |
| Aurora Saint Luke's Medical Center | Milwaukee | Wisconsin | 53215 | — |
| Clement J. Zablocki VA Medical Center | Milwaukee | Wisconsin | 53295 | — |
| Oconomowoc Memorial Hospital-ProHealth Care Inc | Oconomowoc | Wisconsin | 53066-3896 | — |
| Door County Cancer Center | Sturgeon Bay | Wisconsin | 54235-1495 | — |
| Waukesha Memorial Hospital - ProHealth Care | Waukesha | Wisconsin | 53188 | — |
| Aurora West Allis Medical Center | West Allis | Wisconsin | 53227 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 9 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00931528, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 13, 2018 · Synced May 14, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00931528 live on ClinicalTrials.gov.