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ClinicalTrials.gov public records Last synced Oct 20, 2026, 8:39 AM EDT

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Showing 1–24 of 273 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: warfarin Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study to Assess the Effects of Multiple-Dose Administration of K-877 on the Pharmacodynamics and the Pharmacokinetics of Multiple-Dose Administration of Warfarin in Healthy Adult Volunteers

NCT02719431
View directory record Official record
Conditions
Healthy
Interventions
Warfarin, K-877
Drug
Lead sponsor
Kowa Research Institute, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 25, 2016 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 4 Interventional

Comparative Effectiveness of Pulmonary Embolism Prevention After Hip and Knee Replacement

NCT02810704
View directory record Official record
Conditions
Pulmonary Embolism, Venous Thrombosis
Interventions
Enteric Coated Aspirin, Warfarin, Rivaroxaban
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
21 Years and older
Enrollment
18,883 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
30
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 20, 2026, 8:39 AM EDT
Completed No phase listed Observational

Clinical and Economic Outcomes of Oral Anticoagulants in Non-valvular Atrial Fibrillation

NCT03087487
View directory record Official record
Conditions
Non-Valvular Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
466,991 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Not applicable Interventional

A Pharmacogenetic Study of Warfarin Dosing, "The COUMA-GEN Study"

NCT00334464
View directory record Official record
Conditions
Atrial Fibrillation, Deep Vein Thrombosis, Pulmonary Embolism
Interventions
Standard of care or genotyping dosing of warfarin dosing
Drug
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 21, 2008 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 3 Interventional Results available

An Efficacy and Safety Study of Rivaroxaban With Warfarin for the Prevention of Stroke and Non-Central Nervous System Systemic Embolism in Patients With Non-Valvular Atrial Fibrillation

NCT00403767
View directory record Official record
Conditions
Atrial Fibrillation, Stroke, Embolism
Interventions
Rivaroxaban, Warfarin, Matching placebo for Rivaroxaban arm (Warfarin placebo), Matching placebo for Warfarin arm (Rivaroxaban placebo)
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
14,269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
295
States / cities
Birmingham, Alabama • Dothan, Alabama • Geneva, Alabama + 292 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2014 · Synced Oct 20, 2026, 8:39 AM EDT
Not listed Phase 4 Interventional

Assessment of Coagulation Factor Levels in Left Ventricular Device (LVAD )Patients Following Temporary Warfarin Reversal With Four Factor Prothrombin Complex Concentrate (4F-PCC)

NCT03473132
View directory record Official record
Conditions
Anticoagulation, Anticoagulation Reversal
Interventions
four factor prothrombin complex concentrate
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Oct 20, 2026, 8:39 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Prophylaxis Against DVTs After Primary Hip and Knee Replacement Surgery

NCT00767559
View directory record Official record
Conditions
Pulmonary Embolism
Interventions
warfarin, Fondaparinux:
Drug
Lead sponsor
The New England Baptist Hospital
Other
Eligibility
20 Years and older
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 26, 2011 · Synced Oct 20, 2026, 8:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Replication of the RELY Anticoagulant Trial in Healthcare Claims Data

NCT04593043
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Warfarin, Dabigatran
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
78,140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effect of Multiple-Dose Administration of JNJ-42847922 on Midazolam and Warfarin in Healthy Participants

NCT02617810
View directory record Official record
Conditions
Healthy
Interventions
JNJ-42847922, Midazolam, Warfarin
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2016 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Compare Pharmacokinetics & Pharmacodynamics of Warfarin & Esmolol in the Absence & Presence of MEDI0382

NCT03347968
View directory record Official record
Conditions
Healthy Volunteers
Interventions
MEDI0382, Warfarin, Esmolol
Biological · Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Not applicable Interventional

Using Artificial Intelligence to Measure and Optimize Adherence in Patients on Anticoagulation Therapy.

NCT02599259
View directory record Official record
Conditions
Stroke
Interventions
Monitored (M+)
Device
Lead sponsor
AiCure
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Oct 20, 2026, 8:39 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 8, 2012 · Synced Oct 20, 2026, 8:39 AM EDT
Completed No phase listed Observational

The Clinical and Economic Impact of Pharmacogenomic Testing of Warfarin Therapy in Typical Community Practice Settings

NCT00830570
View directory record Official record
Conditions
Embolism and Thrombosis, Embolism, Vascular Diseases, Warfarin, Venous Thromboembolism, Thrombosis, Thromboembolism
Interventions
CYP 2C9 and VKORC1 Testing for Warfarin
Other
Lead sponsor
Medco Health Solutions, Inc.
Industry
Eligibility
40 Years to 75 Years
Enrollment
1,635 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Franklin Lakes, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 16, 2010 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 3 Interventional

SR34006 Compared to Vitamin K Antagonist (VKA) in the Treatment of Pulmonary Embolism

NCT00062803
View directory record Official record
Conditions
Pulmonary Embolism
Interventions
SR34006, (LMW)heparin, Warfarin VKA, Acenocoumarol VKA
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
54
States / cities
Loma Linda, California • San Diego, California • Aurora, Colorado + 43 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2009 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Drug-Drug Interaction Study to Assess the Effects of Steady State Pitavastatin 4 mg or Rosuvastatin 40 mg on Steady-State Warfarin in Healthy Adult Volunteers

NCT01178853
View directory record Official record
Conditions
Healthy
Interventions
Warfarin, Warfarin 5mg + Rosuvastatin 40 mg once daily (QD), Warfarin 5 mg + Pitavastatin 4mg once daily (QD)
Drug
Lead sponsor
Kowa Research Institute, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 8, 2012 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 3 Interventional Results available

Trial to See if Topical Pennsaid for Knee Pain Affects Coagulation Values in Patients Who Are Also Taking Anticoagulants

NCT01511939
View directory record Official record
Conditions
Osteoarthritis of the Knee, Coagulopathy
Interventions
Pennsaid
Drug
Lead sponsor
Nathan Wei, MD, FACP, FACR:
Other
Eligibility
55 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Frederick, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 26, 2014 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Interaction of Epanova on Warfarin Pharmacokinetic and Anticoagulant Activity and Comparison of the Effects of Epanova and Lovaza on Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA) After Low-fat Meals

NCT01431690
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
warfarin, omefas, omega-3-acid ethyl esters
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 24, 2015 · Synced Oct 20, 2026, 8:39 AM EDT
Withdrawn Phase 1 Interventional

Pilot Study of Aspirin Versus Warfarin for Cervicocephalic Arterial Dissection

NCT00265408
View directory record Official record
Conditions
Ischemic Stroke
Interventions
aspirin, warfarin
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2014 · Synced Oct 20, 2026, 8:39 AM EDT
Completed No phase listed Observational

Study to Determine the Accuracy of Prothrombin Time of Warfarinised Blood

NCT01375725
View directory record Official record
Conditions
Clotting Disorders
Interventions
Not listed
Lead sponsor
Universal Biosensors Pty Ltd
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Batesville, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2011 · Synced Oct 20, 2026, 8:39 AM EDT
Terminated Phase 3 Interventional Results available

Trial of Apixaban vs Warfarin in Reducing Rate of Cognitive Decline, Silent Cerebral Infarcts and Cerebral Microbleeds in Patients With Atrial Fibrillation

NCT03839355
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Apixaban, Warfarin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Not applicable Interventional Results available

Randomized Trial of Interventions to Improve Warfarin Adherence

NCT00904982
View directory record Official record
Conditions
Atrial Fibrillation, Deep Vein Thrombosis, Dilated Cardiomyopathies
Interventions
Financial Incentive and Med-eMonitor, 2Med-eMonitor
Behavioral · Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
268 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced Oct 20, 2026, 8:39 AM EDT
Recruiting No phase listed Observational

Implementation of Point-of-Care Pharmacogenomic Decision Support Accounting for Minority Disparities

NCT03225820
View directory record Official record
Conditions
Information Seeking Behavior
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study With a Potential Alzheimer's Disease Compound

NCT00726726
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Interacting drugs - Cooperstown Cocktail (midazolam, warfarin, (+ vitamin K), caffeine, omeprazole and dextromethorphan), BMS-708163, BMS-708163 + Cooperstown Cocktail
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Hamilton, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 5, 2008 · Synced Oct 20, 2026, 8:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Open Label, Single Dose, Three Part Study to Assess the Effects of Rolapitant (2 mg/mL IV Solution) on the Pharmacokinetics of Digoxin; Sulfasalazine; and the Cooperstown Cocktail (Midazolam, Omeprazole, Warfarin, Caffeine, and Dextromethorphan in Healthy Subjects

NCT02434861
View directory record Official record
Conditions
Chemotherapy-induced Nausea and Vomiting
Interventions
Rolapitant, Digoxin, Sulfasalazine, Cooperstown Cocktail
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Oct 20, 2026, 8:39 AM EDT