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Showing 1–24 of 106 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Prevention of Thromboembolic Events Clear all
Withdrawn Phase 4 Interventional

Timing of VTE Prophylaxis in TBI

NCT03081169
View directory record Official record
Conditions
TBI (Traumatic Brain Injury), VTE (Venous Thromboembolism)
Interventions
Enoxaparin Sodium 150 MG/ML Prefilled Syringe, Heparin
Drug
Lead sponsor
Loyola University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Sep 25, 2026, 4:13 AM EDT
Withdrawn Phase 2 Interventional

Patients With Patent Foramen Ovale and Endocardial Device Leads on Apixaban for Prevention of Paradoxical Emboli

NCT02378623
View directory record Official record
Conditions
Patent Foramen Ovale, Cardiac Implantable Electronic Device
Interventions
Apixaban, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Sep 25, 2026, 4:13 AM EDT
Completed No phase listed Observational

An Observational Study (Called RETAF-PS) Using a Patient Survey to Learn More About Treatment Outcomes in Patients With Irregular and Often Rapid Heartbeat (Atrial Fibrillation) Treated With Apixaban in a Real World Setting

NCT05471830
View directory record Official record
Conditions
Prevention of Thromboembolic Events, Atrial Fibrillation
Interventions
Apixaban
Drug
Lead sponsor
Bayer
Industry
Eligibility
45 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Whippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Sep 25, 2026, 4:13 AM EDT
Recruiting Phase 3 Interventional

REGN7508 Versus Acetylsalicylic Acid (ASA) for Venous Thromboprophylaxis After Total Knee Arthroplasty in Adult Participants

NCT07213778
View directory record Official record
Conditions
Symptomatic Venous Thromboembolism (VTE)
Interventions
REGN7508, Acetylsalicylic Acid (ASA), Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
30
States / cities
La Mesa, California • Rancho Mirage, California • Lone Tree, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 25, 2026, 4:13 AM EDT
Completed Phase 3 Interventional Results available

Acute Medically Ill VTE Prevention With Extended Duration Betrixaban Study (The APEX Study)

NCT01583218
View directory record Official record
Conditions
Venous Thromboembolism (VTE)
Interventions
Betrixaban, Enoxaparin
Drug
Lead sponsor
Portola Pharmaceuticals
Industry
Eligibility
40 Years and older
Enrollment
7,513 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
75
States / cities
Birmingham, Alabama • Bakersfield, California • Fresno, California + 69 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2023 · Synced Sep 25, 2026, 4:13 AM EDT
Completed Phase 4 Interventional Results available

Aspirin for Prevention of Venous Thromboembolism Among Ovarian Cancer Patients Receiving Neoadjuvant Chemotherapy

NCT04352439
View directory record Official record
Conditions
Venous Thromboembolism, Ovarian Cancer
Interventions
Aspirin
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Sarasota, Florida • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2022 · Synced Sep 25, 2026, 4:13 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 25, 2026, 4:13 AM EDT
Terminated No phase listed Observational

Comparison of the Risk of Venous Thromboembolism (i.e., Blood Clots in the Veins) and Bleeding Events in a Population of Obese Patients Receiving Higher-Dose or Extended-Duration Versus Conventional-Dose or Conventional-Duration of Prophylaxis (i.e., Preventive Treatment) With Enoxaparin

NCT05819125
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Not listed
Lead sponsor
Sanofi
Industry
Eligibility
40 Years and older
Enrollment
21,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Sep 25, 2026, 4:13 AM EDT
Completed Phase 2 Interventional

An Oral, Direct Factor Xa Inhibitor, BAY59-7939, for Prophylaxis Against Venous Thromboembolism After Total Knee Replacement: a Dose-Ranging Study

NCT00402467
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Rivaroxaban, (BAY59-7939), Enoxaparine
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
613 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
15
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2014 · Synced Sep 25, 2026, 4:13 AM EDT
Completed Phase 2 Interventional Results available

A Study of DU-176b in Preventing Blood Clots After Hip Replacement Surgery

NCT00398216
View directory record Official record
Conditions
Thrombosis, Hip Replacement
Interventions
DU176b - action is the prevention of venous thromboembolism by the use of a Factor Xa inhibitor
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
903 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
3
States / cities
Hartford, Connecticut • Sarasota, Florida • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 25, 2019 · Synced Sep 25, 2026, 4:13 AM EDT
Completed Phase 2 Interventional

Evaluation of PD 0348292 for Preventing Blood Clots in the Lungs or Deep Leg Veins of Patients After Knee Surgery

NCT00306254
View directory record Official record
Conditions
Venous Thrombosis
Interventions
PD 0348292, Enoxaparin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
58
States / cities
Birmingham, Alabama • Little Rock, Arkansas • North Little Rock, Arkansas + 29 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2007 · Synced Sep 25, 2026, 4:13 AM EDT
Recruiting Phase 3 Interventional

DOAC - Dosing Options in AntiCoagulation Prophylaxis

NCT07005024
View directory record Official record
Conditions
Cancer, VTE (Venous Thromboembolism)
Interventions
Apixaban 2.5 mg twice daily, Apixaban 5 mg once daily, No anticoagulation
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
996 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2035
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 25, 2026, 4:13 AM EDT
Completed Phase 3 Interventional

Evaluation of AVE5026 as Compared to Enoxaparin for the Prevention of Thromboembolism in Patients Undergoing Hip Fracture Surgery

NCT00721760
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Enoxaparin sodium, Semuloparin sodium, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
1,003 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 22, 2013 · Synced Sep 25, 2026, 4:13 AM EDT
Terminated Phase 4 Interventional Results available

Aspirin and Enoxaparin for VTE in Trauma

NCT02396732
View directory record Official record
Conditions
Venous Thromboembolism, Thromboprophylaxis, Trauma
Interventions
Aspirin, Enoxaparin
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Sep 25, 2026, 4:13 AM EDT
Withdrawn Phase 4 Interventional

Evaluation of Wound Drainage After Knee or Hip Arthroplasty

NCT02054936
View directory record Official record
Conditions
Complications; Arthroplasty
Interventions
Rivaroxaban (Xarelto), Warfarin (Coumadin)
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 6, 2015 · Synced Sep 25, 2026, 4:13 AM EDT
Terminated Not applicable Interventional Results available

Vascular Boot Warming Program After Acute Deep Vein Thrombosis (DVT) ± Pulmonary Embolism (PE)

NCT03465735
View directory record Official record
Conditions
Acute DVT of Lower Extremity
Interventions
Vascular Boot, Standard of Care
Combination Product · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Sep 25, 2026, 4:13 AM EDT
Terminated No phase listed Observational

A Comparison of Extended Versus Conventional Duration of Enoxaparin Prophylaxis (i.e., Preventive Treatment) for Venous Thromboembolism (VTE, i.e., Blood Clots in the Veins) and Bleeding Event Risk in a Population With Acute Medical Illness

NCT05819112
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Not listed
Lead sponsor
Sanofi
Industry
Eligibility
40 Years and older
Enrollment
14,799 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Sep 25, 2026, 4:13 AM EDT
Completed Phase 4 Interventional

Apixaban for Secondary Prevention of Thromboembolism Among Patients With AntiphosPholipid Syndrome

NCT02295475
View directory record Official record
Conditions
Antiphospholipid Syndrome, Thrombosis
Interventions
Apixaban, Warfarin
Drug
Lead sponsor
Scott C. Woller, MD
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
2
States / cities
Columbus, Ohio • Murray, Utah
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Sep 25, 2026, 4:13 AM EDT
Completed Phase 4 Interventional Results available

Prevention of Arteriovenous Thrombotic Events in Critically-Ill COVID-19 Patients Trial

NCT04409834
View directory record Official record
Conditions
COVID-19, Venous Thromboembolism, Arterial Thrombosis
Interventions
Unfractionated Heparin IV, Enoxaparin 1 mg/kg, Clopidogrel, Unfractionated heparin SC, Enoxaparin 40 mg SC
Drug
Lead sponsor
The TIMI Study Group
Other
Eligibility
18 Years and older
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Sep 25, 2026, 4:13 AM EDT
Terminated Phase 2 Interventional Results available

Aspirin Prophylaxis for Venous Thromboembolism in Glioblastoma

NCT00790452
View directory record Official record
Conditions
Glioblastoma
Interventions
Aspirin, Placebo
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 7, 2011 · Synced Sep 25, 2026, 4:13 AM 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 25, 2026, 4:13 AM EDT
Completed Phase 3 Interventional

Rivaroxaban (10mg) Given Once Daily in Patients Undergoing Total Hip Replacement Compared to Enoxaparin

NCT00329628
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Rivaroxaban (BAY59-7939), Enoxaparin
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
4,541 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
13
States / cities
Birmingham, Alabama • Northport, Alabama • Phoenix, Arizona + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2014 · Synced Sep 25, 2026, 4:13 AM EDT
Completed Phase 3 Interventional Results available

PROSPER: PostpaRtum PrOphylaxiS for PE Randomized Control Trial Pilot

NCT01274637
View directory record Official record
Conditions
Venous Thromboembolism, Postpartum
Interventions
Dalteparin Sodium
Drug
Lead sponsor
Ottawa Hospital Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Charlottesville, Virginia • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Sep 25, 2026, 4:13 AM EDT
Not listed Phase 4 Interventional

Lovenox 30 mg Twice Daily (BID) Versus 40 mg Once Daily (QD)

NCT02342444
View directory record Official record
Conditions
Trauma, Surgery, Deep Vein Thrombosis (DVT), Thromboembolic Events
Interventions
Enoxaparin Sodium Injection 30 mg BID, Enoxaparin Sodium Injection 40 mg QD
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
15 Years to 100 Years
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Sep 25, 2026, 4:13 AM EDT