Following Patients on Warfarin Therapy to See if Differences in Hemorrhagic Complications Exist
Public ClinicalTrials.gov record NCT00075985. 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
CSP #716B - The 80+ Hemorrhagic Cohort Study
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a prospective observational cohort study that is in the process of enrolling and following patients on warfarin therapy by utilizing anticoagulation clinics in VA hospitals across the US. There are currently 14 sites actively enrolling patients in the study. For each octogenarian enrolled a randomly selected patient with atrial fibrillation (AF) younger than 80 years of age from the same clinic and receiving warfarin for approximately the same duration is enrolled.
Study identification
- NCT ID
- NCT00075985
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 700 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- Not listed
- 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
- Apr 30, 2000
- Primary completion
- Not listed
- Completion
- Mar 31, 2006
- Last update posted
- Jan 20, 2009
2000 – 2006
United States locations
- U.S. sites
- 17
- U.S. states
- 14
- U.S. cities
- 17
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Carl T. Hayden VAMC | Phoenix | Arizona | 85012 | — |
| Central Arkansas Veterans Healthcare System | Little Rock | Arkansas | 72205 | — |
| Denver VAMC | Denver | Colorado | 80220 | — |
| Hines VAMC | Hines | Illinois | 60141 | — |
| Roudebush VAMC | Indianapolis | Indiana | 46202 | — |
| Iowa City VAMC | Iowa City | Iowa | 52246 | — |
| New Orleans VAMC | New Orleans | Louisiana | 70146 | — |
| Boston VA Medical Center | Boston | Massachusetts | 02130 | — |
| Greater NE Healthcare System | Lincoln | Nebraska | 68510 | — |
| Omaha VAMC | Omaha | Nebraska | 68105 | — |
| VAMC Manchester | Manchester | New Hampshire | 03104 | — |
| Stratton VA Medical Center | Albany | New York | 12208 | — |
| Syracuse VA Medical Center | Syracuse | New York | 13210 | — |
| Dept. of Veterans Affairs Medical Center-Cincinnati | Cincinnati | Ohio | 45220 | — |
| Royal C Johnson VAMC | Sioux Falls | South Dakota | 57117 | — |
| Dallas VAMC | Dallas | Texas | 75216 | — |
| Central Texas Veterans Healthcare System | Temple | Texas | 76504 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00075985, 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 Jan 20, 2009 · Synced Sep 26, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00075985 live on ClinicalTrials.gov.