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Showing 1–24 of 126 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pulmonary Thromboembolisms Clear all
Completed Phase 4 Interventional

Comparison of Low and Intermediate Dose Low-molecular-weight Heparin to Prevent Recurrent Venous Thromboembolism in Pregnancy

NCT01828697
View directory record Official record
Conditions
Deep Venous Thrombosis, Pulmonary Embolism
Interventions
Low dose nadroparin, Intermediate dose nadroparin, Low dose enoxaparin, Intermediate dose enoxaparin, Low dose dalteparin, Intermediate dose dalteparin, Fixed low dose tinzaparin, Intermediate dose tinzaparin
Drug
Lead sponsor
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
1,110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Sep 21, 2026, 5:22 AM EDT
Completed Not applicable Interventional Results available

Implementing Prescriber-Pharmacist Collaborative Care for Evidence-based Anticoagulant Use

NCT05351749
View directory record Official record
Conditions
Pulmonary Embolism, Venous Thromboembolism, Atrial Fibrillation
Interventions
New-prescription Alert, New-prescription Alert with referral option, Existing-prescription notification to prescriber, Existing-prescription notification to pharmacist
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
Not listed
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 21, 2026, 5:22 AM EDT
Recruiting Early Phase 1 Interventional

Supplemental Oxygen in Pulmonary Embolism (SO-PE)

NCT05891886
View directory record Official record
Conditions
Pulmonary Embolism, Venous Thromboembolism, Metabolomics, Oxygen Inhalation Therapy
Interventions
Oxygen Therapy, Non-rebreather mask
Drug · Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Sep 21, 2026, 5:22 AM EDT
Active, not recruiting Phase 4 Interventional

Peripheral Systemic Thrombolysis Versus Catheter Directed Thrombolysis for Submassive PE

NCT03581877
View directory record Official record
Conditions
Pulmonary Embolism, Pulmonary Hypertension, Thromboembolism, Right Ventricular Dysfunction
Interventions
Alteplase, EKOS
Drug · Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 89 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
2
States / cities
Bay Shore, New York • Queens, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Sep 21, 2026, 5:22 AM EDT
Completed Phase 3 Interventional Results available

Apixaban or Dalteparin in Reducing Blood Clots in Patients With Cancer Related Venous Thromboembolism

NCT02585713
View directory record Official record
Conditions
Cerebral Vein Thrombosis, Deep Vein Thrombosis, Gonadal Thrombosis, Hepatic Thrombosis, Malignant Neoplasm, Mesenteric Thrombosis, Metastatic Malignant Neoplasm, Portal Vein Thrombosis, Pulmonary Embolism, Renal Vein Thrombosis, Splenic Thrombosis, Venous Thromboembolism
Interventions
Apixaban, Dalteparin, Questionnaire Administration
Drug · Other
Lead sponsor
Academic and Community Cancer Research United
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
18
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Evanston, Illinois + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2020 · Synced Sep 21, 2026, 5:22 AM 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 21, 2026, 5:22 AM EDT
Recruiting Not applicable Interventional

The PERSEVERE Study

NCT06588634
View directory record Official record
Conditions
Pulmonary Embolism, Pulmonary Thromboembolism
Interventions
FlowTriever System, Standard of Care
Device · Procedure
Lead sponsor
Inari Medical
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
15
States / cities
New Haven, Connecticut • Orlando, Florida • Sarasota, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 21, 2026, 5:22 AM 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 21, 2026, 5:22 AM EDT
Suspended Not applicable Interventional

CLEANer Aspiration for Pulmonary Embolism

NCT06189313
View directory record Official record
Conditions
Pulmonary Embolism, Acute Pulmonary Embolism, Cardiovascular Diseases, Venous Thromboembolism
Interventions
Cleaner Pro Thrombectomy System
Device
Lead sponsor
Argon Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
12
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Tampa, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 21, 2026, 5:22 AM EDT
Completed Phase 3 Interventional Results available

Submassive and Massive Pulmonary Embolism Treatment With Ultrasound Accelerated Thrombolysis Therapy

NCT01513759
View directory record Official record
Conditions
Pulmonary Embolism, Acute Pulmonary Embolism, Sub-massive Pulmonary Embolism, Massive Pulmonary Embolism, Pulmonary Thromboembolism
Interventions
recombinant tissue plasminogen activator, EKOS EkoSonic Endovascular System
Drug · Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
22
States / cities
Montgomery, Alabama • Modesto, California • Stanford, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2021 · Synced Sep 21, 2026, 5:22 AM EDT
Completed No phase listed Observational

Heparin Induced Thrombocytopenia: Pharmacoeconomics

NCT00456001
View directory record Official record
Conditions
Heparin Induced Thrombocytopenia (HIT)
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 1, 2009 · Synced Sep 21, 2026, 5:22 AM EDT
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 21, 2026, 5:22 AM EDT
Completed No phase listed Observational Results available

FlowTriever All-Comer Registry for Patient Safety and Hemodynamics

NCT03761173
View directory record Official record
Conditions
PE - Pulmonary Embolism, PE - Pulmonary Thromboembolism
Interventions
FlowTriever System, Anticoagulation Agents
Device · Drug
Lead sponsor
Inari Medical
Industry
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
59
States / cities
Birmingham, Alabama • Tucson, Arizona • Aurora, Colorado + 47 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Sep 21, 2026, 5:22 AM EDT
Recruiting Phase 4 Interventional

Statins to Prevent Cancer Associated Blood Clots

NCT07303816
View directory record Official record
Conditions
Venous Thromboembolism, Cancer, Cardiovascular Events
Interventions
Rosuvastatin, Placebo Drug
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
9
States / cities
Irvine, California • New Haven, Connecticut • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Sep 21, 2026, 5:22 AM EDT
Completed No phase listed Observational

Global Anticoagulant Registry in the FIELD- Venous Thromboembolic Events

NCT02155491
View directory record Official record
Conditions
Venous Thromboembolism, Deep Vein Thrombosis, Pulmonary Embolism
Interventions
Not listed
Lead sponsor
Thrombosis Research Institute
Other
Eligibility
18 Years to 99 Years
Enrollment
10,679 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Muscle Shoals, Alabama
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Sep 21, 2026, 5:22 AM EDT
Completed No phase listed Observational

Multicenter Registry for Effectiveness Analysis of ActiveCare+S.F.T® Mobile Compression Device for Thrombosis Prevention in Hip and Knee Arthroplasty

NCT01984190
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Not listed
Lead sponsor
Medical Compression Systems
Industry
Eligibility
18 Years and older
Enrollment
411 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
10
States / cities
Little Rock, Alaska • La Jolla, California • Menlo Park, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2014 · Synced Sep 21, 2026, 5:22 AM EDT
Terminated Phase 3 Interventional

Long-term Treatment for Cancer Patients With Deep Venous Thrombosis or Pulmonary Embolism

NCT01164046
View directory record Official record
Conditions
Venous Thromboembolism, Neoplasms
Interventions
low molecular weight heparin, vitamin K antagonists
Drug
Lead sponsor
University Medical Center Groningen
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Sep 21, 2026, 5:22 AM EDT
Recruiting No phase listed Observational

Chronic Thromboembolic Disease Registry

NCT05843500
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension, Chronic Thromboembolic Disease
Interventions
Survey
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 21, 2026, 5:22 AM EDT
Completed Not applicable Interventional Results available

SYMPHONY-PE Study for Treatment of Pulmonary Embolism

NCT06062329
View directory record Official record
Conditions
Acute Pulmonary Embolism, Thromboembolism, Emboli, Pulmonary, Thrombosis, Thrombus; Embolism, Embolism, Cardiovascular Diseases, Vascular Diseases
Interventions
Symphony Thrombectomy System
Device
Lead sponsor
Imperative Care, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
19
States / cities
Huntsville, Alabama • Los Angeles, California • Jacksonville, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 21, 2026, 5:22 AM EDT
Completed Not applicable Interventional Results available

Education Bundle to Decrease Patient Refusal of VTE Prophylaxis

NCT02402881
View directory record Official record
Conditions
Venous Thromboembolism, Deep Venous Thrombosis, Pulmonary Embolism
Interventions
Patient-centered education bundle
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
19,652 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 5, 2020 · Synced Sep 21, 2026, 5:22 AM EDT
Terminated No phase listed Observational

CT for Pulmonary Thromboembolic Disease

NCT02241525
View directory record Official record
Conditions
Pulmonary Embolism
Interventions
Not listed
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 17, 2020 · Synced Sep 21, 2026, 5:22 AM 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 21, 2026, 5:22 AM EDT
Completed No phase listed Observational

COVID-19 and Venous Thromboembolism Risk

NCT04569344
View directory record Official record
Conditions
Venous Thromboembolism, Covid19
Interventions
Laboratory test positive for SARS-CoV-2 virus
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
398,530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Oakland, California • Pasadena, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Sep 21, 2026, 5:22 AM EDT
Completed Phase 4 Interventional Results available

Venous Thromboembolic Prophylaxis After Trauma: Three Times a Day Unfractionated Heparin Versus Twice a Day Enoxaparin

NCT01729559
View directory record Official record
Conditions
Venous Thromboembolic Disease, Deep Vein Thrombosis, Pulmonary Embolism
Interventions
5000 Units unfractionated Heparin Q 8 hr, 30mg enoxaparin Q12 hr
Drug
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 17, 2016 · Synced Sep 21, 2026, 5:22 AM EDT