ClinicalTrials.gov record
Warfarin Versus Aspirin in Reduced Cardiac Ejection Fraction (WARCEF) Trial
ClinicalTrials.gov ID: NCT00041938
Public ClinicalTrials.gov record NCT00041938. 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.
Study identification
- NCT ID
- NCT00041938
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Columbia University
- Other
- Enrollment
- 2,305 participants
Conditions and interventions
Interventions
- aspirin Drug
- Warfarin Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 30, 2002
- Primary completion
- Jul 31, 2011
- Completion
- Jun 30, 2014
- Last update posted
- Sep 4, 2014
2002 – 2014
United States locations
- U.S. sites
- 54
- U.S. states
- 24
- U.S. cities
- 44
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Southern Arizona Veterans Affairs Medical Center | Tucson | Arizona | — | — |
| University of Arizona Health Sciences Center | Tucson | Arizona | — | — |
| Santa Clara Medical Center | Santa Clara | California | — | — |
| West Los Angeles Veterans Affairs Medical Center | West Los Angeles | California | — | — |
| Denver Health Medical Center | Denver | Colorado | — | — |
| Denver Veterans Affairs Medical Center | Denver | Colorado | — | — |
| George Washington University | Washington D.C. | District of Columbia | 20037 | — |
| Mayo Clinic Transplant Center | Jacksonville | Florida | — | — |
| Melbourne Internal Medicine Associates | Melbourne | Florida | — | — |
| Jackson Memorial Hospital/U. of Miami | Miami | Florida | — | — |
| Mercy Research Institute | Miami | Florida | — | — |
| Cardiovascular Consultants of South Florida | Tamarac | Florida | — | — |
| Morehouse School of Medicine | Atlanta | Georgia | — | — |
| Northeast Georgia Heart Center | Gainesville | Georgia | — | — |
| University of Illinois at Chicago | Chicago | Illinois | — | — |
| Methodist Heart, Lung and Vascular Institute | Peoria | Illinois | — | — |
| University of Kentucky | Lexington | Kentucky | — | — |
| Louisville Veterans Affairs Medical Center | Louisville | Kentucky | — | — |
| University of Louisville | Louisville | Kentucky | — | — |
| Gulf Regional Research, LLC | Metairie | Louisiana | — | — |
| LSU Health Sciences Center | Shreveport | Louisiana | — | — |
| Lahey Clinic | Burlington | Massachusetts | — | — |
| Veterans Affairs Medical Center | Detroit | Michigan | — | — |
| Mercy Health Partners | Muskegon | Michigan | — | — |
| Reno Veterans Affairs Medical Center | Reno | Nevada | — | — |
| Concord Hospital | Concord | New Hampshire | — | — |
| UMDNJ - New Brunswick | New Brunswick | New Jersey | — | — |
| University of Medicine and Dentistry of New Jersey | Newark | New Jersey | — | — |
| Albany Medical College | Albany | New York | — | — |
| Buffalo General Hospital | Buffalo | New York | — | — |
| Kaleida Health Millard Fillmore Hospital | Buffalo | New York | — | — |
| Five Towns Neuroscience Research | Cedarhurst | New York | — | — |
| Long Island Jewish Medical Center | New Hyde Park | New York | — | — |
| Columbia University, New York Presbyterian Hospital PH 3-342 | New York | New York | 10032 | — |
| Columbia University Medical Center | New York | New York | — | — |
| Mount Sinai Medical Center | New York | New York | — | — |
| Northport Veterans Affairs Medical Center | Northport | New York | — | — |
| University of Rochester Medical Center | Rochester | New York | — | — |
| University of North Carolina at Chapel Hill | Chapel Hill | North Carolina | — | — |
| MetroHealth Medical Center | Cleveland | Ohio | — | — |
| Oklahoma City Veterans Affairs Medical Center | Oklahoma City | Oklahoma | — | — |
| Lehigh Valley Hospital | Allentown | Pennsylvania | — | — |
| Tri-State Medical Group Cardiology | Beaver | Pennsylvania | — | — |
| Sewickley Valley Medical Group, Cardiology | Leetsdale | Pennsylvania | — | — |
| Albert Einstein Medical Center | Philadelphia | Pennsylvania | — | — |
| Hospital of the University of Pennsylvania | Philadelphia | Pennsylvania | — | — |
| Penn Presbyterian Medical Center | Philadelphia | Pennsylvania | — | — |
| Temple University Hospital | Philadelphia | Pennsylvania | — | — |
| Black Hills Health Care System | Fort Meade | South Dakota | — | — |
| Brooke Army Medical Center MCHE - MDC Cardiology Service | Fort Sam Houston | Texas | — | — |
| Michael E. DeBakey Veterans Affairs Medical Center-MEDVAMC | Houston | Texas | — | — |
| Salem VAMC | Salem | Virginia | — | — |
| Huntington Veterans Affairs Medical Center | Huntington | West Virginia | — | — |
| William S. Middleton Memorial Veterans Hospital | Madison | Wisconsin | — | — |
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 10 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00041938, 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 Sep 4, 2014 · Synced Jun 26, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00041938 live on ClinicalTrials.gov.