Warfarin Versus Aspirin in Reduced Cardiac Ejection Fraction (WARCEF) Trial
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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine which of two treatments, Warfarin or aspirin, is better for preventing death and stroke in patients with poor heart function. We are now transitioning into the sub-analysis part of the WARCEF patient data. The study has recently completed data analysis for its Primary Aim. All randomized patients have completed their follow up. All study related procedure as per the protocol has been completed. We are now in the extension phase of the study to obtain more patient data to address further aims of the study. No new procedures are performed and data already in place at the sites will be collected (EKG and echocardiograms). The aims for this study extension are: * To assess progression of cardiac dysfunction over time among heart failure patients * To correlate prognosis with cardiac dysfunction
Study identification
- NCT ID
- NCT00041938
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 2,305 participants
Conditions and interventions
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
- Oct 2002 (Type not available)
- Primary completion
- Aug 2011 (Actual)
- Completion
- Jul 2014 (Actual)
- Last update posted
- Sep 5, 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 5, 2014 · Synced Oct 21, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00041938 live on ClinicalTrials.gov.