Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 28, 2026, 9:03 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 273 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Coumadin (warfarin) Clear all
Completed No phase listed Observational

Following Patients on Warfarin Therapy to See if Differences in Hemorrhagic Complications Exist

NCT00075985
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
17
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Denver, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Phase 3 Interventional Results available

Global Study to Assess the Safety and Effectiveness of Edoxaban (DU-176b) vs Standard Practice of Dosing With Warfarin in Patients With Atrial Fibrillation

NCT00781391
View directory record Official record
Conditions
Stroke, Atrial Fibrillation, Embolism
Interventions
warfarin tablets, Edoxaban tablets (high dose regimen-60mg), Edoxaban tablets (low dose regimen-30mg), placebo warfarin, placebo edoxaban
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
21 Years and older
Enrollment
21,105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
316
States / cities
Birmingham, Alabama • Mobile, Alabama • Gilbert, Arizona + 308 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Sep 28, 2026, 9:03 AM EDT
Withdrawn Phase 2 Interventional

Apixaban in Patients Who Undergo CIED Procedure- Randomized Pilot Study

NCT02450682
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Apixaban, Warfarin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 17, 2016 · Synced Sep 28, 2026, 9:03 AM EDT
Completed No phase listed Observational

Replication of the RECOVER-II Anticoagulant Trial in Healthcare Claims Data

NCT04735523
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Dabigatran, Warfarin
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 120 Years
Enrollment
5,350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 28, 2026, 9:03 AM EDT
Terminated Phase 3 Interventional Results available

PROACT Xa - A Trial to Determine if Participants With an On-X Aortic Valve Can be Maintained Safely on Apixaban

NCT04142658
View directory record Official record
Conditions
Aortic Valve Disease, Aortic Valve Stenosis, Aortic Valve Failure
Interventions
Apixaban 5 MG, Apixaban 2.5 MG, Warfarin, On-X Aortic Mechanical Valve
Drug · Device
Lead sponsor
Artivion Inc.
Industry
Eligibility
18 Years and older
Enrollment
863 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
62
States / cities
Tucson, Arizona • Little Rock, Arkansas • Loma Linda, California + 50 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Phase 3 Interventional Results available

Edoxaban for Prevention of Blood Vessels Being Blocked by Clots (Thrombotic Events) in Children at Risk Because of Cardiac Disease

NCT03395639
View directory record Official record
Conditions
Cardiac Disease
Interventions
Edoxaban, Standard of Care (SOC)
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
1 Day to 17 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
14
States / cities
Birmingham, Alabama • Mesa, Arizona • Los Angeles, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Phase 3 Interventional

Warfarin Versus Aspirin Recurrent Stroke Study

NCT00027066
View directory record Official record
Conditions
Stroke
Interventions
Active Aspirin, Active Warfarin, Aspirin placebo, Warfarin placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
30 Years to 85 Years
Enrollment
2,206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2001
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 16, 2011 · Synced Sep 28, 2026, 9:03 AM EDT
Recruiting Phase 3 Interventional

Apixaban Versus Warfarin for Left Ventricular Thrombus

NCT07709780
View directory record Official record
Conditions
Left Ventricular Thrombus
Interventions
Apixaban, Warfarin
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of Apixaban for the Treatment of Deep Vein Thrombosis or Pulmonary Embolism

NCT00643201
View directory record Official record
Conditions
Venous Thrombosis
Interventions
Enoxaparin, warfarin, Placebo for apixaban, Placebo for enoxaparin, Placebo for warfarin, apixaban
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
5,614 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
73
States / cities
Birmingham, Alabama • Mobile, Alabama • Fort Smith, Arkansas + 68 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2014 · Synced Sep 28, 2026, 9:03 AM EDT
Completed No phase listed Observational

Replication of the AMPLIFY Anticoagulant Trial in Healthcare Claims Data

NCT04736719
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Apixaban, Warfarin
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
19,002 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 28, 2026, 9:03 AM EDT
Completed No phase listed Observational

Anticoagulation Strategies for Acute Venous Thromboembolism in Patients With End-Stage Renal Disease Using USRDS Data

NCT04818151
View directory record Official record
Conditions
Venous Thromboembolic Disease, Kidney Failure, Chronic
Interventions
Warfarin, Apixaban
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
14,914 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 25, 2021 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Phase 4 Interventional Results available

Clinical and Economic Implications of Genetic Testing for Warfarin Management

NCT00964353
View directory record Official record
Conditions
Blood Coagulation Disorders
Interventions
Warfarin
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
359 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Sep 28, 2026, 9:03 AM EDT
Not listed Not applicable Interventional

Warfarin Patient Self-management Implementation in the US Healthcare System

NCT04766216
View directory record Official record
Conditions
Atrial Fibrillation, Venous Thromboembolism, Heart Valve Diseases
Interventions
Patient self-management, Usual care provided by anticoagulation providers
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
Loma Linda, California • Boston, Massachusetts • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Not applicable Interventional Results available

Anticoagulation With Enhanced Gastrointestinal Safety (AEGIS) Trial

NCT05085405
View directory record Official record
Conditions
Upper Gastrointestinal Bleeding
Interventions
Clinician notification, Clinician Notification with Nurse Facilitation, Clinician Notification / Patient Activation, Clinician Notification with Nurse Facilitation / Patient Activation
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Not applicable Interventional

Patient-Centered Anticoagulation Self-Monitoring in Minority Patients

NCT02776566
View directory record Official record
Conditions
Thromboembolism, Blood Coagulation Disorders, Cardiovascular Disease, Vascular Disease
Interventions
Patient Self-Monitoring vs Anticoagulation Clinic
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
21 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 16, 2020 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility Study of Exercise in Patients With Leg Blood Clots

NCT00910364
View directory record Official record
Conditions
Deep Vein Thrombosis
Interventions
Exercise
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 12, 2017 · Synced Sep 28, 2026, 9:03 AM EDT
Terminated Phase 3 Interventional

Aspirin Or Warfarin To Prevent Stroke

NCT00004728
View directory record Official record
Conditions
Stroke, Cerebral Infarction, Atherosclerosis, Constriction, Pathologic
Interventions
Warfarin, Aspirin
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
40 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2003
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 5, 2006 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Drug Interaction Study of Rifampin and Warfarin in Healthy Volunteers.

NCT00777855
View directory record Official record
Conditions
Healthy
Interventions
warfarin plus rifampin, warfarin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2013 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Phase 1 Interventional

PK Study to Assess Drug-drug Interaction and QTc Between Sitravatinib and a Cocktail of Substrates

NCT04887194
View directory record Official record
Conditions
Advanced Solid Tumor
Interventions
Sitravatinib, Warfarin, Dextromethorphan, Midazolam, Digoxin, Rosuvastatin, Nivolumab
Drug
Lead sponsor
Mirati Therapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
5
States / cities
Goshen, Indiana • Austin, Texas • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Potential of Orbactiv (Oritavancin) Co-Administered With Warfarin in Healthy Subjects

NCT02340988
View directory record Official record
Conditions
Healthy
Interventions
Single-Dose IV Oritavancin Diphosphate and Warfarin, Single-Dose IV Oritavancin Diphosphate and Warfarin 24 hour post dose
Drug
Lead sponsor
Melinta Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 18, 2023 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of T89(Dantonic®)on Steady-State Pharmacodynamics of Warfarin

NCT01475279
View directory record Official record
Conditions
Healthy
Interventions
Warfarin; Dantonic
Drug
Lead sponsor
Tasly Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 7, 2012 · Synced Sep 28, 2026, 9:03 AM EDT
Completed Not applicable Interventional

Fearon Algorithm in Warfarin Patient Self-Management

NCT03911661
View directory record Official record
Conditions
Atrial Fibrillation, Venous Thromboses, Heart Valve Diseases
Interventions
Fearon warfarin dosing algorithm, Usual care
Other
Lead sponsor
University of Utah
Other
Eligibility
22 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Sep 28, 2026, 9:03 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Lenalidomide and Low-Dose Dexamethasone in Patients With Previously Treated Multiple Myeloma and Kidney Dysfunction

NCT00790842
View directory record Official record
Conditions
Multiple Myeloma, Plasma Cell Neoplasm
Interventions
Lenalidomide, Dexamethasone, Anticoagulants
Drug
Lead sponsor
PrECOG, LLC.
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
16
States / cities
Scottsdale, Arizona • Atlanta, Georgia • Chicago, Illinois + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced Sep 28, 2026, 9:03 AM EDT
Not listed Not applicable Interventional

Modeling Genotype and Other Factors to Enhance the Safety of Coumadin Prescribing

NCT00484640
View directory record Official record
Conditions
Atrial Fibrillation, Deep Venous Thrombosis, Heart Valve Replacement, Pulmonary Embolism
Interventions
Coumadin
Drug
Lead sponsor
Agency for Healthcare Research and Quality (AHRQ)
Federal
Eligibility
40 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Madison, Wisconsin • Marshfield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 10, 2007 · Synced Sep 28, 2026, 9:03 AM EDT