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Showing 1–24 of 281 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Thromboembolism, Venous Clear all
Completed Not applicable Interventional Results available

Using Intravenous Heparin Versus Standard of Care Subcutaneous Heparin to Prevent Clots After Surgery

NCT01608906
View directory record Official record
Conditions
Venous Thrombosis
Interventions
low dose intravenous heparin (LDIVH), Heparin
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 28, 2021 · Synced Sep 27, 2026, 11:01 PM EDT
Completed Phase 1 Interventional

Twice Daily Enoxaparin Prophylaxis in Reconstructive Surgery Patients

NCT02687204
View directory record Official record
Conditions
Venous Thromboembolism, Deep Venous Thrombosis, Pulmonary Embolus
Interventions
Twice daily enoxaparin prophylaxis, Real time dose adjustment
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced Sep 27, 2026, 11:01 PM EDT
Completed Phase 3 Interventional Results available

Once - Daily Oral Direct Factor Xa Inhibitor Rivaroxaban In The Long-Term Prevention Of Recurrent Symptomatic Venous Thromboembolism In Patients With Symptomatic Deep-Vein Thrombosis Or Pulmonary Embolism. The Einstein-Extension Study

NCT00439725
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Rivaroxaban (Xarelto, BAY59-7939), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
1,197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
25
States / cities
Little Rock, Arkansas • Los Angeles, California • Redlands, California + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2014 · Synced Sep 27, 2026, 11:01 PM EDT
Not yet recruiting Phase 3 Interventional

Collaborative Risk-stratified Investigation in Thrombosis-prone Inpatients With Critical Illness: Anticoagulation With LMWH in Teens for ThromboProphylaxis (CRITICAL-Teens-TP).

NCT06628778
View directory record Official record
Conditions
Venous Thromboembolism (VTE)
Interventions
Enoxaparin
Drug
Lead sponsor
Johns Hopkins All Children's Hospital
Other
Eligibility
12 Years to 18 Years
Enrollment
802 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2035
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 27, 2026, 11:01 PM EDT
Completed Phase 4 Interventional Results available

Evaluation of Dalteparin for Long-term (One Year) Treatment of Blood Clots in Subjects With Cancer

NCT00942968
View directory record Official record
Conditions
Cancer
Interventions
dalteparin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
338 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
21
States / cities
Tucson, Arizona • Pleasant Hill, California • Torrance, California + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Sep 27, 2026, 11:01 PM EDT
Completed No phase listed Observational

Monotherapy Anticoagulation To Expedite Home Treatment of Venous Thromboembolism

NCT03404635
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Apixaban, Rivaroxaban
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
1,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Sep 27, 2026, 11:01 PM 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 27, 2026, 11:01 PM EDT
Completed Phase 3 Interventional

Crux Biomedical Vena Cava Filter Study - United States

NCT01120509
View directory record Official record
Conditions
Pulmonary Embolism
Interventions
Inferior Vena Cava Filter
Device
Lead sponsor
Crux Biomedical
Industry
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
17
States / cities
Orange, California • Sacramento, California • Newark, Delaware + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2014 · Synced Sep 27, 2026, 11:01 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of the Duration of Therapy for Thrombosis in Children

NCT00687882
View directory record Official record
Conditions
Venous Thrombosis
Interventions
Shortened duration (6 weeks) of anticoagulant therapy, Conventional duration (3 months) of anticoagulant therapy, No Intervention
Other
Lead sponsor
Johns Hopkins All Children's Hospital
Other
Eligibility
Up to 20 Years
Enrollment
532 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2022
U.S. locations
54
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 49 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2025 · Synced Sep 27, 2026, 11:01 PM EDT
Completed Phase 3 Interventional Results available

Prospective Study on Preoperative Versus Postoperative Venous Thromboprophylaxis in Patients Undergoing Major Colorectal Surgery

NCT01976988
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Heparin
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2016 · Synced Sep 27, 2026, 11:01 PM EDT
Completed Phase 3 Interventional Results available

Regulation of Coagulation in Orthopedic Surgery to Prevent Deep Vein Thromboembolism (DVT) and Pulmonary Embolism (PE). A Study of BAY59-7939 in the Prevention of Venous Thrombo Embolism (VTE) in Subjects Undergoing Elective Total Knee Replacement.

NCT00362232
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Rivaroxaban (Xarelto, BAY59-7939), Enoxaparin, Placebo: tablet of Rivaroxaban, Placebo: syringes of Enoxaparin
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
3,148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
40
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2014 · Synced Sep 27, 2026, 11:01 PM EDT
Completed Phase 2 Interventional Results available

Fixed Versus Weight-Based Enoxaparin Dosing in Thoracic Surgery Patients

NCT03251963
View directory record Official record
Conditions
Venous Thromboembolism, Deep Venous Thrombosis, Surgery
Interventions
Fixed Dose Enoxaparin, Variable Dose Enoxaparin
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Sep 27, 2026, 11:01 PM EDT
Completed Not applicable Interventional

Improving Safety of Diagnosis and Therapy in the Inpatient Setting

NCT04393909
View directory record Official record
Conditions
Delirium, Confusion, Mental Status Change, Back Pain, Hip Pain Chronic, Chest Pain, Asthma, COPD, Cellulitis, Soft Tissue Infections, Cough, Deep Vein Thrombosis, Pulmonary Embolism, Venous Thromboembolism, Dyspnea, Electrolyte Metabolism Abnormal, Fever, Failure to Thrive, Weakness, Protein-Calorie Malnutrition, Headache, Neck Pain, Hypoxia, Pneumonia, Sepsis, Syncope, Vomiting, Diarrhea, Leg Pain, Abdominal Pain
Interventions
Diagnostic Uncertainty Educational Curriculum, Diagnostic Timeout, Patient Diagnostic (Dx) Questionnaire, Enhancements to Epic-integrated Quality & Safety Dashboard
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Sep 27, 2026, 11:01 PM EDT
Terminated Phase 3 Interventional Results available

Anticoagulation and Inferior Vena Cava Filters in Cancer Patients With a Venous Thromboembolism

NCT00423683
View directory record Official record
Conditions
Cancer, Thromboembolism
Interventions
Arixtra alone, Arixtra + filter
Drug · Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Jun 7, 2016 · Synced Sep 27, 2026, 11:01 PM EDT
Completed No phase listed Observational

Prediction of the COBRRA VTE Anticoagulant Trial in Healthcare Claims Data

NCT05264168
View directory record Official record
Conditions
Venous Thromboembolism, Pulmonary Embolism, DVT
Interventions
Rivaroxaban, Apixaban
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 120 Years
Enrollment
41,875 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 27, 2026, 11:01 PM EDT
Active, not recruiting No phase listed Observational

Genetic Testing of CYP2C19 in Prognostic Evaluation of Long-Term Major Adverse Cardiac and Vascular Events

NCT06855394
View directory record Official record
Conditions
Atherosclerotic Vascular Disease, Coronary Arterial Disease (CAD), Atherosclerosis of Coronary Artery, Atherosclerosis of Arteries of the Extremities, Unspecified, Heart Diseases, Stroke, Venous Thromboembolic Disease
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
13,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 27, 2026, 11:01 PM EDT
Completed Not applicable Interventional Results available

The Angel® Catheter Pivotal Clinical Trial

NCT02186223
View directory record Official record
Conditions
Pulmonary Embolism, Deep Vein Thrombosis, Venous Thromboembolism, Trauma
Interventions
The Angel® Catheter
Device
Lead sponsor
BiO2 Medical
Industry
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
21
States / cities
Los Angeles, California • San Diego, California • Loveland, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 27, 2026, 11:01 PM 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 27, 2026, 11:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Comparing Anti-XA Levels in Post-Cesarean Patients Undergoing Enoxaparin Thromboprophylaxis

NCT02070237
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Pregnancy, Complications; Cesarean Section, Venous Thromboembolism, Postpartum Deep Phlebothrombosis, Pulmonary Embolism
Interventions
Enoxaparin
Drug
Lead sponsor
MemorialCare Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Nov 22, 2015 · Synced Sep 27, 2026, 11:01 PM 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 27, 2026, 11:01 PM 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 27, 2026, 11:01 PM EDT
Completed Not applicable Interventional

The Protrieve PROTECTOR Study

NCT06495996
View directory record Official record
Conditions
Venous Thromboembolism, Deep Venous Thrombosis
Interventions
Percutaneous mechanical thrombectomy (PMT)
Device
Lead sponsor
Inari Medical
Industry
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
15
States / cities
Newport Beach, California • New Haven, Connecticut • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 27, 2026, 11:01 PM EDT
Not listed Not applicable Interventional

Alerting Providers at Patient Hospital Discharge to Consider Prescribing Rivaroxaban to Reduce Venous Thromboembolism

NCT06232551
View directory record Official record
Conditions
Venous Thromboembolic Disease, Pulmonary Embolism and Thrombosis, Deep Vein Thrombosis, Hospitalism
Interventions
EHR (electronic health record) alert, No EHR (electronic health record) alert
Other
Lead sponsor
Scott C. Woller, MD
Other
Eligibility
18 Years to 110 Years
Enrollment
152,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Sep 27, 2026, 11:01 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

FUVID Study: Functional Characterization of Children With Chronic Venous Thromboembolic Disease

NCT04583878
View directory record Official record
Conditions
Deep Venous Thrombosis, Pulmonary Embolism
Interventions
Blood draw (Visit 1), Blood draw (Visits 2 and 3)
Diagnostic Test
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
8 Years to 21 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
14
States / cities
Little Rock, Arkansas • St. Petersburg, Florida • Atlanta, Georgia + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 27, 2026, 11:01 PM EDT