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Showing 1–24 of 51 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Warfarin Therapy Clear all
Withdrawn No phase listed Observational

Dabigatran Versus Warfarin Anticoagulation Before and After Catheter Ablation for the Treatment of Atrial Fibrillation

NCT01607359
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Sep 29, 2026, 5:22 PM EDT
Not listed Phase 2Phase 3 Interventional

Comparison of ATI-5923, a Novel Vitamin K Antagonist, With Warfarin in Patients Requiring Chronic Anticoagulation

NCT00691470
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter, Venous Thromboembolic Disease, Myocardial Infarction, Cardiomyopathy
Interventions
ATI-5923, Coumadin (warfarin)
Drug
Lead sponsor
ARYx Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
41
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 34 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2010 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 3 Interventional Results available

Comparative Investigation of Low Molecular Weight (LMW) Heparin/Edoxaban Tosylate (DU176b) Versus (LMW) Heparin/Warfarin in the Treatment of Symptomatic Deep-Vein Blood Clots and/or Lung Blood Clots. (The Edoxaban Hokusai-VTE Study).

NCT00986154
View directory record Official record
Conditions
Venous Thromboembolism, Deep Vein Thrombosis (DVT), Pulmonary Embolism (PE), Thromboembolism, Venous Thrombosis
Interventions
edoxaban tosylate(DU-176b), low molecular weight heparin/unfractionated heparin, warfarin
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
8,292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
82
States / cities
Mobile, Alabama • Montgomery, Alabama • Phoenix, Arizona + 71 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Sep 29, 2026, 5:22 PM 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 29, 2026, 5:22 PM EDT
Completed Phase 4 Interventional Results available

Personalized Medicine Interface Tool (PerMIT): Warfarin: A Trial Comparing Usual Care Warfarin Initiation to PerMIT Pharmacogenetic Guided Warfarin Therapy

NCT00993200
View directory record Official record
Conditions
Blood Clotting
Interventions
warfarin pharmacogenetic dosing, Warfarin
Genetic · Drug
Lead sponsor
Robert Pendleton
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 23, 2015 · Synced Sep 29, 2026, 5:22 PM EDT
Completed No phase listed Observational

A Study to Compare the Risk of a Major Bleeding in Participants Who Received Blood Thinning Medications Following a Blood Clot

NCT03521908
View directory record Official record
Conditions
Venous Thromboembolism (VTE)
Interventions
Not listed
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
35,756 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 27, 2022 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 4 Interventional Results available

Fixed Versus Variable Dosing of 4-factor Prothrombin Complex Concentrate for Emergent Warfarin Reversal

NCT03064035
View directory record Official record
Conditions
Acute Bleeding on Long-Term Anticoagulation Therapy, Hemorrhage, Significant Bleeding in Patients With a Coagulopathy (Prolonged Thrombin Time), Urgent Reversal of Vitamin K Antagonist (VKA) Anticoagulation
Interventions
4-factor prothrombin complex concentrate (4FPCC)
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 125 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate the Safety of a Single Intravenous (IV) Dose of Orbactiv (Oritavancin) in Participants on Chronic Warfarin Therapy Being Treated For Acute Bacterial Skin and Skin Structure Infection (ABSSSI)

NCT02452918
View directory record Official record
Conditions
Acute Bacterial Skin and Skin Structure Infection
Interventions
Oritavancin, Warfarin
Drug
Lead sponsor
The Medicines Company
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Somers Point, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Not applicable Interventional

Genotype-Guided Warfarin Therapy Trial

NCT00904293
View directory record Official record
Conditions
Atrial Fibrillation, Deep Vein Thrombosis, Pulmonary Embolism, Artificial Heart Valve
Interventions
Genotype-guided dose determination, Non-genotype guided warfarin dosing
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 5, 2016 · Synced Sep 29, 2026, 5:22 PM EDT
Completed No phase listed Observational

Predicting Bleeding Risk on Anticoagulant Therapy for Venous Thromboembolism

NCT00788736
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Not listed
Lead sponsor
Ottawa Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
2,537 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
2
States / cities
Burlington, Massachusetts • Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 26, 2016 · Synced Sep 29, 2026, 5:22 PM EDT
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 29, 2026, 5:22 PM 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 15, 2010 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 1 Interventional

Treatment for Blood Clots in the Veins of the Legs

NCT00001713
View directory record Official record
Conditions
Embolism, Thrombophlebitis
Interventions
Recombinant Tissue Plasminogen Activator, Heparin, Warfarin
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 29, 2026, 5:22 PM EDT
Completed No phase listed Observational

Anticoagulation Length of ThErapy and Risk of New Adverse evenTs In Venous thromboEmbolism Study

NCT03292666
View directory record Official record
Conditions
Venous Thromboembolism, Anticoagulants and Bleeding Disorders
Interventions
Oral Anticoagulant
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
39,603 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2022
U.S. locations
2
States / cities
Oakland, California • Pasadena, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 4 Interventional Results available

Trial to Evaluate Anticoagulation Therapy in Hemodialysis Patients With Atrial Fibrillation

NCT02942407
View directory record Official record
Conditions
Atrial Fibrillation, End Stage Renal Disease
Interventions
apixaban, warfarin
Drug
Lead sponsor
Christopher Granger, MD
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
58
States / cities
Huntsville, Alabama • Fresno, California • Long Beach, California + 52 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2020 · Synced Sep 29, 2026, 5:22 PM EDT
Terminated Phase 4 Interventional Results available

EdoxabaN or Warfarin Therapy In Device Procedures in Patients With Non-Valvular Atrial Fibrillation

NCT02561897
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Edoxaban, Warfarin
Drug
Lead sponsor
Electrophysiology Research Foundation
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Warren Township, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 29, 2020 · Synced Sep 29, 2026, 5:22 PM EDT
Completed No phase listed Observational

An Observational Cohort Study to Investigate the Risk of Thromboembolic Events in Patients Receiving Kcentra® or Plasma to Reverse Vitamin K Antagonist (VKA) Therapy in the Setting of Acute Major Bleeding

NCT02319460
View directory record Official record
Conditions
Hemorrhage
Interventions
Kcentra®, Plasma
Biological
Lead sponsor
CSL Behring
Industry
Eligibility
18 Years and older
Enrollment
2,238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Use of Activated Recombinant Human Factor VII to Reduce Bleeding Caused by Warfarin Treatment

NCT01561937
View directory record Official record
Conditions
Haemostasis, Healthy
Interventions
warfarin, eptacog alfa (activated), placebo
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older · Male only
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 24, 2016 · Synced Sep 29, 2026, 5:22 PM EDT
Completed No phase listed Observational

Predictors of Anticoagulation Control on Warfarin Therapy

NCT00905177
View directory record Official record
Conditions
Atrial Fibrillation, Deep Vein Thrombosis, Heart Valve Replacement
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years and older
Enrollment
687 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2016 · Synced Sep 29, 2026, 5:22 PM EDT
Not listed Phase 3 Interventional

Multi-Center Single Arm Trial to Determine The Effectiveness of Warfarin Therapy Duration For Heparin-Induced Thrombocytopenia (HIT)

NCT03147638
View directory record Official record
Conditions
Heparin-induced Thrombocytopenia
Interventions
Warfarin, NOAC
Drug
Lead sponsor
Marshall University
Other
Eligibility
18 Years to 97 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Huntington, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Sep 29, 2026, 5:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Relationship Between Osteoporosis and Chronic Oral Anticoagulation Therapy With Warfarin

NCT00665613
View directory record Official record
Conditions
Osteoporosis
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 100 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Staten Island, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2015 · Synced Sep 29, 2026, 5:22 PM EDT
Terminated Phase 2 Interventional Results available

Fondaparinux for the Treatment of Heparin-Induced Thrombocytopenia (HIT)

NCT00673439
View directory record Official record
Conditions
Heparin-Induced Thrombocytopenia
Interventions
fondaparinux, warfarin
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 7, 2019 · Synced Sep 29, 2026, 5:22 PM EDT
Completed No phase listed Observational

A Genomic Approach to Warfarin Dose Prescription in Admixed Caribbean Hispanics

NCT02345356
View directory record Official record
Conditions
Atrial Fibrillation, Deep Vein Thrombosis, Cardiac Valvular Insufficiency, Coagulopathies, Pulmonary Embolism
Interventions
Genotype-guided, Standard-of-Care
Genetic · Other
Lead sponsor
University of Puerto Rico
Other
Eligibility
21 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of Dual Therapy With Dabigatran vs. Triple Therapy With Warfarin in Patients With AF That Undergo a PCI With Stenting (REDUAL-PCI)

NCT02164864
View directory record Official record
Conditions
Atrial Fibrillation, Percutaneous Coronary Intervention
Interventions
Dabigatran Etexilate 110mg, Warfarin 3mg, Aspirin, Dabigatran Etexilate 150mg, Clopidogrel or Ticagrelor, Warfarin 5mg, Warfarin 1mg
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
2,725 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
45
States / cities
Birmingham, Alabama • Cottonwood, Arizona • Mesa, Arizona + 41 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Sep 29, 2026, 5:22 PM EDT