Condition

Thromboembolism clinical trials and research

• 10Clinical trials
• 32NIH research projects
• 8Countries

Newest Thromboembolism clinical trials

All recruiting trials (10)

• Tailored lower‑intensity blood thinner plan after left atrial appendage closure to prevent stroke

  This project tests whether people with non‑valvular atrial fibrillation who get a left atrial appendage closure can stop blood thinners after taking low‑dose apixaban (2.5 mg twice daily) for 3 months, compared with people who stay on standard‑dose DOACs.

  Recruiting National Medical Research Center for Therapy and Preventive Medicine · Moscow · NCT07575867

• Cardiovascular risk in people with Crohn's disease and ulcerative colitis

  This study tests whether people with inflammatory bowel disease have different heart-attack or stroke risk over two years compared with matched controls.

  Recruiting IRCCS Policlinico S. Donato · San Donato Milanese, Milan · NCT07095634

• Assessing Peripheral Arterial Disease in Patients with Deep Vein Thrombosis

  This study looks at how common Peripheral Arterial Disease is in people with unprovoked Deep Vein Thrombosis and compares it to those with other types of DVT to see how their heart health is related.

  Recruiting IRCCS Azienda Ospedaliero-Universitaria di Bologna · Bologna, Bologna · NCT06806540

• Using tranexamic acid to reduce bleeding in major colorectal surgery

  This study is testing if giving tranexamic acid before major colorectal surgery can help reduce bleeding during and after the operation for patients.

  Recruiting Phase 2 The Cleveland Clinic · Cleveland, Ohio · NCT06657924

• Comparing blood thinners for patients on ECMO support

  This study is testing whether two different blood thinners, argatroban and enoxaparin, can work as well as the usual treatment, heparin, for patients on ECMO support.

  Recruiting Phase 4 Medical University of Vienna · Vienna, State of Vienna · NCT06442267

• Detecting blood clots in patients with thromboembolism

  This study is testing a new device to see if it can better detect blood clots in patients with thromboembolic disease.

  Recruiting University of Arkansas · Little Rock, Arkansas · NCT05301348

• Comparing outcomes of left atrial appendage closure in patients with atrial fibrillation

  This study looks at how well different methods of closing a part of the heart help people with atrial fibrillation and what factors might affect the results over time.

  Recruiting Insel Gruppe AG, University Hospital Bern · Bern · NCT04628078

• Comparing blood thinners after mechanical aortic valve replacement

  This study tests whether a new blood thinner called rivaroxaban works better than the traditional warfarin for people who have had a mechanical aortic valve replacement.

  Recruiting at 13 sites Phase 4 Asan Medical Center · Bucheon-si and 15 other locations · NCT04258488

• Registry of cancer patients with thromboembolism

  This study is looking to gather information on adults with cancer who have had blood clots to better understand how cancer and blood clots are connected.

  Recruiting at 48 sites Fundación Sociedad Española de Oncologia Médica · Alcoy, Alicante and 47 other locations · NCT03855592

• Assessing venous thromboembolism risk in pregnant women

  This study is testing a new tool to see if it can help doctors figure out which pregnant women are at risk for blood clots so they can provide better care.

  Recruiting Hospices Civils de Lyon · Bron · NCT03659708

NIH-funded research (32)

Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.

• Pulmonary embolism prognosis using CT image analytics

  A CT-based approach uses imaging data to predict who with an acute pulmonary embolism may develop chronic problems, helping guide care.

  NIH research University of California Los Angeles · Los Angeles, United States · NIH-11607839

• Statins to Prevent Cancer-Associated Blood Clots in Cancer Patients

  A large study will test whether taking rosuvastatin every day for a year can lower the chance of dangerous blood clots in people with cancer, without raising the risk of bleeding.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11606487

• 3D human blood-vessel model to understand blood clots and test treatments

  Researchers are building a 3D human blood-vessel model with live imaging to speed testing of clot-preventing and clot-breaking treatments for people at risk of deep vein thrombosis and pulmonary embolism.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11504755

• A risk score to spot high-risk heart failure patients without atrial fibrillation who may need anticoagulation

  A new tool uses patient data and heart MRI markers to identify heart failure patients without atrial fibrillation who might benefit from anticoagulation while minimizing bleeding risk.

  NIH research University of Minnesota · Minneapolis, United States · NIH-11451573

• Optimal use of blood thinners for venous clots in people with cirrhosis

  This grant hopes to figure out the safest and most effective way to use oral anticoagulants for adults with cirrhosis who develop venous clots.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11427117

• PET/CT imaging to detect chemotherapy-related vascular harm in young cancer patients

  A non-invasive PET/CT scan method using standard care imaging is being tested to identify which pediatric and young adult cancer patients are at higher risk of blood clots from chemotherapy.

  NIH research Research Inst Nationwide Children's Hosp · Columbus, United States · NIH-11396394

• Statins to Prevent Cancer-Associated Blood Clots in Cancer Patients

  A large clinical trial will test whether taking rosuvastatin daily for a year helps prevent dangerous blood clots in people with newly diagnosed or relapsed cancer who aren’t already getting anticoagulants.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11387857

• BCOR's role in blood clot risk and liver genetics

  A Johns Hopkins-led study is exploring how a human gene, BCOR, may control liver-produced clotting factors to influence venous blood clots.

  NIH research Johns Hopkins University · Baltimore, United States · NIH-11378452

• Personalized risk-prediction for hospital-acquired blood clots in adults

  A real-time risk model helps doctors identify adults in the hospital who are at higher risk of developing blood clots so they can prevent them safely.

  NIH research Vanderbilt University Medical Center · Nashville, United States · NIH-11373022

• Genomic and Proteomic Markers for Recurrent Venous Thromboembolism

  Researchers are studying genetic and protein clues to predict who will have another blood clot after an initial VTE event, so doctors can tailor safer, more effective care.

  NIH research University of Washington · Seattle, United States · NIH-11364727

• Venous clot complications after a first VTE in adults

  This study follows adults after a first venous thromboembolism to understand chronic symptoms and health outcomes over the first year.

  NIH research Kaiser Foundation Research Institute · Oakland, UNITED STATES · NIH-11332768

• STOP-SCD-VTE: How and when blood thinners are used for adults with sickle cell disease and blood clots

  A real-world study of how doctors use long-term blood thinners in adults with sickle cell disease who have had a venous clot, and whether different medicines or patterns affect outcomes.

  NIH research Boston University Medical Campus · Boston, United States · NIH-11297560

• Chronic blood clots after intermediate-risk pulmonary embolism: extend the PE-TRACT findings

  A patient-focused study follows people who had an intermediate-risk pulmonary embolism to understand long-term symptoms and how the clotting process affects daily life.

  NIH research Weill Medical Coll of Cornell Univ · New York, United States · NIH-11278814

• 3D human blood vessel model for blood clots and testing treatments

  Using lab-grown three-dimensional human blood vessel models and advanced imaging to test how clots form and which medicines might stop or dissolve them for people at risk of deep vein thrombosis and pulmonary embolism.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11247481

• Understanding blood clots and testing new treatments using advanced 3D models

  This study is looking at how blood clots form and how we can treat them better, especially for people with conditions like deep vein thrombosis and pulmonary embolism, using special 3D models that act like human cells to test new treatments.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11232762

• How the BCOR gene may affect risk of dangerous blood clots

  Researchers are looking at how the BCOR gene controls a liver protein called Factor VII that can influence the risk of venous blood clots for people prone to VTE.

  NIH research Johns Hopkins University · Baltimore, United States · NIH-11146625

• Better Understanding and Predicting Outcomes for Lung Blood Clots Using CT Scans

  This project uses advanced CT scan analysis to help doctors better understand and predict how lung blood clots affect patients over time.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11145622

• Better ways to predict and prevent blood clots in the hospital

  This work creates and tests a new way to help doctors quickly identify hospitalized patients at risk for dangerous blood clots, aiming to prevent them before they happen.

  NIH research Vanderbilt University Medical Center · Nashville, United States · NIH-11142579

• Using PET/CT scans to spot vein inflammation and clot risk in children and young adults with cancer

  This project uses PET/CT scans with a glucose tracer to look for vein inflammation that may signal higher risk of dangerous blood clots in children, adolescents, and young adults receiving chemotherapy.

  NIH research Research Inst Nationwide Children's Hosp · Columbus, United States · NIH-11132970

• Understanding long-term effects of blood clots

  This study is looking at how people who have had a blood clot, like deep vein thrombosis or pulmonary embolism, might feel in the year after their treatment, especially those using newer blood thinners, to better understand their symptoms and help improve their recovery and care.

  NIH research Kaiser Foundation Research Institute · Oakland, UNITED STATES · NIH-11098542

• Preventing blood clots in cancer patients receiving outpatient care

  This study is looking at ways to help doctors better prevent blood clots in cancer patients who are not in the hospital, so they can stay safer and healthier during their treatment.

  NIH research University of Vermont & St Agric College · Burlington, United States · NIH-11094449

• Understanding risks and outcomes of blood clots in young patients

  This study is looking at blood clots in young people under 21 to find better ways to predict how they will do and improve their treatment, all while helping new researchers learn more about this important health issue.

  NIH research Johns Hopkins University · Baltimore, United States · NIH-11036368

• Investigating delays in diagnosing venous thromboembolism in different healthcare settings

  This study is looking into why some people with blood clots, like pulmonary embolism and deep vein thrombosis, don’t get diagnosed quickly, and it aims to find ways to improve care for everyone, whether they live in cities or rural areas.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11020773

• Understanding blood clots and testing new treatments using advanced 3D models

  This study is looking at how blood clots form and how we can treat them better, especially for people dealing with conditions like deep vein thrombosis and pulmonary embolism, using special 3D models that act like human cells to test new medications and see how they respond to infections.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-10984461

• Understanding how BCOR affects blood clotting and venous thromboembolism

  This study is looking at how certain genes, especially one called BCOR, might affect the chances of developing blood clots, which can be a serious health issue, and it hopes to find new ways to help prevent or treat this condition.

  NIH research Johns Hopkins University · Baltimore, United States · NIH-10942118

• Understanding blood clot risks in children with sickle cell disease

  This study is looking at what might cause blood clots in children with sickle cell disease, so we can find better ways to prevent and treat these clots and help keep kids healthier.

  NIH research Johns Hopkins University · Baltimore, United States · NIH-10907804

• Using CT imaging to improve diagnosis and treatment of pulmonary thromboembolism

  This study is looking at how to better understand and predict the health outcomes of people with pulmonary thromboembolism (PE) by using CT scans, so we can help doctors make better treatment choices and improve care for patients at risk of long-term problems.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-10894298

• Investigating anticoagulant use for preventing blood clots in patients with inflammatory bowel disease

  This study is looking at how well blood-thinning medications can help prevent blood clots in people with inflammatory bowel disease, both when they're in the hospital and at home, while also making sure these treatments are safe for those who might be at higher risk.

  NIH research Vanderbilt University Medical Center · Nashville, United States · NIH-10893637

• Improving decision support systems for preventing blood clots in hospitalized patients

  This study is working on improving tools that help doctors make better decisions about preventing blood clots, so patients can get the best care based on the latest research.

  NIH research University of Minnesota · Minneapolis, United States · NIH-10893358

• Improving prevention of blood clots in hospitalized patients

  This study is looking at ways to help hospitalized patients remember to take their blood clot prevention medications by using real-time support, so they can stay involved in their care and lower their chances of getting preventable blood clots.

  NIH research Johns Hopkins University · Baltimore, United States · NIH-10794235

• A telemedicine solution using smart socks to prevent blood clots in older cancer patients

  This study is testing a fun and interactive sock that helps older cancer patients stay active and prevent blood clots by turning their foot and ankle exercises into a game, making it easier for them to keep moving and stay healthy.

  NIH research Stexole LLC · Houston, UNITED STATES · NIH-10547300

• Investigating the role of platelets in blood clot risks for cancer patients

  This study is looking at how certain blood cells called platelets might affect the risk of blood clots in cancer patients, and it hopes to find a way to identify those who are more likely to develop these clots so that better prevention methods can be created.

  NIH research University of Vermont & St Agric College · Burlington, United States · NIH-10531623

Related topics

Quick answers

How many Thromboembolism clinical trials are recruiting right now?

10, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 8 countries. The most sites are in United States (2 trials), Italy (2 trials), Switzerland (1 trial), Austria (1 trial), Spain (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 4: 2, Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

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