Clinical trials
Thromboembolism clinical trials
Below are recruiting thromboembolism clinical trials, each written for real people, not researchers. We’re tracking 147 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07499661Recruiting
Study of blood clots in the lungs with heart failure
This study looks at whether a blood clot in the lungs (pulmonary embolism) is a hidden cause in patients who are hospitalized for acute heart failure. It involves additional imaging tests to find a clot if present, which could change your treatment.
AgenAges 18 years+ - NCT03559114RecruitingPhase 3
Preventing blood clots after severe brain injury
This trial tests whether taking an anti–blood clot medicine (dalteparin) and using leg compression can reduce dangerous blood clots after a severe traumatic brain injury. It may help lower the chance of clots forming when people are immobile and at higher risk.
Calgary, AlbertaAges 18 years+ - NCT03636295RecruitingPhase 3
Testing a lower INR goal to reduce bleeding in mechanical valves
This Phase 3 study tests whether aiming for a lower blood-thinning test result (INR) can reduce bleeding risk in people with a specific type of mechanical heart valve. The trial checks if this lower INR goal is safer while still protecting against dangerous clots.
Genk, LimburgAges 18 years+ - NCT03728166Recruiting
Computer guidance to prevent blood clots after hospital stay
This trial tests a computerized tool that helps doctors decide who needs prevention medicines to lower the risk of blood clots after a hospital stay. It may help reduce preventable clotting risk for people who are less mobile and have added risk factors.
Boston, MassachusettsAges 40 years+ - NCT03855592Recruiting
Cancer patients with blood clots: thrombosis and cancer registry
This study is a registry that collects information about blood clot events in people with cancer. The goal is to better understand how often clots happen and what patterns they follow, which can help improve care.
Alcoy, AlicanteAges 18 years+ - NCT03881345Recruiting
Registry for blood clots in legs or lungs
This registry collects information from people who have a blood clot in a leg or a clot in the lung. It helps researchers understand how these conditions are treated in real life.
Moscow, MoscowAges 18 years+ - NCT03959748Recruiting
Pulmonary hypertension patients’ heart-lung pressure database study
This study builds a database of people with pulmonary arterial hypertension or chronic thromboembolic pulmonary hypertension. It may help doctors better understand these conditions in the Polish population and improve future care decisions.
KrakowAges 3 months+ - NCT04071327Recruiting
Pulmonary hypertension registry for patient experiences
This trial is a registry that collects health information from people with pulmonary hypertension to better understand the disease and improve care. You may be asked to share details about your diagnosis and visits, especially soon after you start seeing a specialized PH care center.
Phoenix, ArizonaAges birth+ - NCT04258488RecruitingPhase 4
Blood thinner pill vs warfarin after mechanical aortic valve
This study compares a blood thinner pill (a factor Xa inhibitor) with warfarin (vitamin K antagonist) in people who have had a mechanical aortic valve replacement. It looks at which option works better and is safer over the long term.
Bucheon-siAges 19 years+ - NCT04263038RecruitingPhase 4
Watchful waiting versus blood thinners for small lung clots
This trial compares close monitoring (“watch and wait”) versus taking the blood thinner rivaroxaban in people with a small type of lung blood clot. It aims to find out whether low-risk patients can safely avoid or reduce anticoagulation while still staying healthy.
Woluwe-Saint-Lambert, Brussels CapitalAges 18 years+ - NCT04295486RecruitingPhase 2
Low-dose aspirin to prevent blood clots after hip or knee surgery
This Phase 2 study tests the best dose of low-dose aspirin to help prevent dangerous blood clots after total hip or knee replacement surgery. If you’re at lower clot risk and can safely take aspirin, it may help reduce clot risk while you recover.
Miami, FloridaAges 19 years+ - NCT04628078Recruiting
Echocardiogram-guided heart procedure registry for atrial fibrillation
This study keeps a real-world record of people with atrial fibrillation who are planning a procedure to close off the heart’s left atrial appendage. Doctors use echocardiography (heart ultrasound) to guide the closure and track outcomes to improve care.
BernAges 18 years+ - NCT04808596Recruiting
Pulmonary hypertension registry and blood sample study
This study builds a registry and collection system for people with pulmonary hypertension, confirmed by a specific heart test. By joining, you help researchers learn more about the condition and may support future studies.
Kansas City, KansasAges 18 years+ - NCT07015905RecruitingPhase 3
Study of REGN7508 vs. standard blood thinners after knee replacement
This trial compares a new blood thinner called REGN7508 to two standard blood thinners (apixaban and enoxaparin) to prevent blood clots after total knee replacement surgery. The goal is to see which is safer and more effective.
Sheffield, AlabamaAges 18 years+ - NCT05029063RecruitingPhase 3
Rivaroxaban to prevent clots in cancer patients with new catheters
This Phase 3 study tests whether the medicine rivaroxaban can prevent dangerous blood clots in people with cancer who have a central venous catheter placed recently. It may help reduce clot risk while your catheter is in place, but you must meet safety and bleeding-risk criteria.
Halifax, Nova ScotiaAges 18 years+ - NCT05484557Recruiting
Apixaban vs enoxaparin to prevent blood clots after spinal cord injury
This trial studies whether apixaban works as well as enoxaparin to prevent dangerous blood clots after spinal cord injury. If you qualify, you would take one of these medicines to lower clot risk during the recovery period.
RaananaAges 18 years+ - NCT05636748Recruiting
Study how blood clots affect stroke, using special scans
This study looks at how blood clots form and contribute to an acute ischemic (clot-related) stroke. It uses PET-CT scanning to better understand the process and may help improve how future stroke treatments are targeted.
EdinburghAges 18 years+ - NCT05711173Recruiting
Study blood clot triggers and immune cell changes in clot patients
This study looks at how certain blood cell changes and immune system activity may relate to blood clots in specific veins or lungs. It may help researchers understand why clots happen “without a clear cause” and how to better predict risk.
BordeauxAges 6–50 - NCT05719415Recruiting
Testing balloon treatment effects on lung blood-vessel surface area
This study looks at how a procedure called balloon pulmonary angioplasty changes measurements in lung blood vessels in people with chronic thromboembolic pulmonary hypertension. It may help doctors understand what changes the treatment makes and why.
Montreal, QuebecAges 18–75 - NCT05735639RecruitingPhase 4
Prevention of blood clots during varicose vein treatment
This trial tests whether giving medicine to prevent blood clots during varicose vein treatment is safe and helpful. It focuses on people having a minimally invasive procedure on enlarged leg veins under local anesthesia.
LondonAges 18 years+ - NCT05773638Recruiting
Study blood clots and heart disease in adults with Von Willebrand
This study looks at cardiovascular problems and blood-clot events (like deep vein clots or pulmonary embolism) in adults with Von Willebrand disease in western France. It may help doctors better understand who is at risk and how to manage these complications.
AngersAges 18 years+ - NCT05881798Recruiting
Vena cava filter data study for specific filter type
This study checks outcomes and safety using real-world health data from people who received a specific type of vena cava filter. It may help improve future care by understanding how these devices perform after placement.
Los Angeles, CaliforniaAges 18 years+ - NCT05891886RecruitingEarly Phase 1
Testing supplemental oxygen for early blood clot in the lungs
This early-phase trial studies whether giving extra oxygen can help people with a recently diagnosed lung blood clot (pulmonary embolism). It mainly looks at people who have early symptoms and signs that the right side of the heart is under strain.
Boston, MassachusettsAges 18 years+ - NCT05920343RecruitingPhase 2/Phase 3
Preventing blood clots in genitourinary cancer with rivaroxaban
This trial tests whether rivaroxaban, a blood thinner pill, can help prevent dangerous blood clots in people with certain genitourinary cancers who are starting cancer treatment. It may lower clot risk, but it also has bleeding-risk tradeoffs that the study will monitor closely.
Ottawa, OntarioAges 18 years+
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Common questions
- Are there clinical trials for thromboembolism?
- Yes. Clin2 currently lists 147 recruiting thromboembolism studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a thromboembolism trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a thromboembolism trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.