Pulmonary embolism

This study tests a new drug called TS23, a monoclonal antibody designed to help break down blood clots in the lungs. It is for people with intermediate-risk pulmonary embolism, a serious condition where clots block blood flow. The trial compares different doses of TS23 against a …

This study tests two treatments for people with intermediate-high risk pulmonary embolism (a serious blood clot in the lungs). Half receive standard blood thinners, and the other half get blood thinners plus a special ultrasound device that helps dissolve the clot. Researchers wi…

This study tests whether a reduced dose of the clot-dissolving drug alteplase, given alongside standard blood thinners, can improve outcomes for people with intermediate-high-risk pulmonary embolism (a serious blood clot in the lungs). About 800 adults with confirmed acute pulmon…

This Phase 3 study tests a weekly injection called retatrutide in about 1,946 people with severe obesity (BMI ≥35) and established heart disease. The goal is to see if it helps with weight loss and improves heart-related health measures over 113 weeks compared to a placebo. Parti…

This study tests whether a weekly injection of CagriSema (a combination of two drugs) can reduce the risk of heart attacks, strokes, and other heart-related events in people with established cardiovascular disease. About 7,100 participants will receive either CagriSema or a place…

This phase 3 trial tests whether a monthly injection of pelacarsen can reduce major heart problems like heart attacks and strokes in people with high levels of Lp(a), a genetic risk factor. Over 8,000 participants with existing heart disease are being followed for several years. …

This study tests whether a bedside device called Quantra can help doctors decide when to give blood transfusions during complex heart surgery. The device measures how well a patient's blood clots in real time. Researchers hope this will reduce the number of blood products (like r…

This study tests a device called the Cleaner Pro Thrombectomy System, which is threaded through a blood vessel to suction out clots in the lungs of people with acute pulmonary embolism. The trial aims to see if the device safely reduces heart strain and avoids major complications…

This large study is testing whether a lower blood pressure target can reduce major heart problems like heart attacks, strokes, and heart failure in people with type 2 diabetes. About 9,500 participants with high blood pressure and high cardiovascular risk are being randomly assig…

This study was designed to test a special catheter that delivers clot-dissolving medicine directly into the lungs of people with blood clots. The trial was withdrawn before enrolling any participants, so no results are available. It would have included adults aged 18 to 80 with s…

This study tests whether using a person's individual risk of another blood clot or major bleeding can help doctors decide how long they should take blood thinners after a first clot. About 600 adults who had a first deep vein thrombosis or pulmonary embolism will fill out a quest…

This trial compares two non-invasive breathing support methods—high-flow nasal cannula (HFNC) and non-invasive ventilation (NIV)—in 100 adults with acute pulmonary embolism and respiratory failure. The goal is to see which method helps patients breathe on their own within 48 hour…

This trial is testing a device called the Aventus Thrombectomy System, which suctions out blood clots from the lungs in people with acute pulmonary embolism. The study involves 130 participants aged 18 to 80. The goal is to see if the device is safe and effective at improving blo…

This study tests a procedure that uses ultrasound and a catheter to deliver a low dose of a clot-dissolving drug directly to blood clots in the lungs. The goal is to quickly reduce the strain on the heart and improve blood flow, while keeping the risk of serious bleeding low. The…

This study tests whether giving patients capsules containing gut bacteria (called Probacine) before and after heart surgery can reduce gut injury and organ failure. Researchers will enroll 500 adults undergoing cardiovascular surgery. The goal is to see if changing the gut microb…

This study tests whether using a patient's gender, weight, and kidney function to calculate the starting dose of the blood thinner heparin gets patients to the right level faster than the standard flat rate. About 145 adults with blood clots, atrial fibrillation, or mechanical he…

This program allows individual patients with vascular disease or end-stage kidney disease on dialysis to request an experimental lab-grown blood vessel (ATEV) if they have no other treatment options and cannot join a clinical study. The vessel is designed to replace or bypass dam…

This study looks at whether a detailed full-body scan called FDG PET/CT can find hidden cancers in people aged 50 and older who have had an unexplained blood clot. About 1,276 participants will get either the scan or standard cancer checks. The goal is to see if the scan catches …

This pilot study is testing whether a special ultrasound scope (EBUS) can diagnose acute pulmonary embolism (a blood clot in the lung) in critically ill patients in the ICU. These patients often cannot undergo standard CT scans because they are too unstable or have kidney problem…

This study explores whether a simple, non-invasive leg movement test can measure blood vessel health in older adults. Researchers will use ultrasound to track blood flow changes after a passive leg movement, comparing young healthy people and older patients undergoing heart tests…

This large study tested whether taking daily vitamin D3 and omega-3 (fish oil) supplements can lower the risk of developing cancer, heart disease, or stroke. Over 25,000 healthy older adults (men 50+, women 55+) took the supplements or placebos for about 5 years. The goal is to s…

This study tests a nurse-led education program designed to help women in cardiac rehab address sexual concerns after a heart event. Sixty-six women will be randomly assigned to either the program or usual care. The goal is to see if the program improves sexual function, mood, and…

This observational study tracks 5,000 people taking common blood thinners (like rivaroxaban or apixaban) or antiplatelet drugs (like aspirin). Researchers regularly measure drug levels in the blood to see how they relate to clots or bleeding events. The goal is to find the best d…

This study tracks 120 adults with heart disease and at least two other long-term illnesses to see how often dangerous drug interactions happen. Researchers check medications, including over-the-counter and herbal products, and follow participants for a year. The goal is to unders…

This study looks at health records of nearly 150,000 people who had knee replacement surgery to see if real-world data can reproduce the findings of a previous clinical trial (RECORD3). The researchers compare two blood thinners, rivaroxaban and enoxaparin, to see which better pr…

This study is not testing a new treatment. Instead, researchers are checking whether information from healthcare claims (like insurance records) can produce the same results as a famous clinical trial called RECORD1. They are looking at data from over 89,000 people who had hip re…

This study looks at why some children and teens feel short of breath or have trouble exercising after their first blood clot in the leg (deep vein thrombosis) or lung (pulmonary embolism). Researchers will measure exercise capacity and breathing using special tests. The goal is t…

This study looks at whether a new care plan can help more people with pulmonary embolism (a blood clot in the lungs) go home from the emergency room instead of being admitted to the hospital. Researchers are working with 14 hospital ERs in Michigan to track changes in how often l…

This study tracks over 1,700 heart patients who had hip or knee replacement surgery. Researchers want to see how often bleeding or blood clots happen in the months after surgery. The goal is to find better ways to prevent these complications.

This study aims to find genetic markers that may increase the risk of a pulmonary embolism (a blood clot in the lung) after hip or knee replacement surgery. Researchers will collect blood samples from 100 adults who have had a clot after such surgery and analyze their DNA. The go…

This study will observe 200,000 Chinese adults with heart disease to see how their heart and lung function changes over 5 years. Participants will take a special exercise test to measure their fitness. Researchers hope to find better ways to predict future heart problems like hea…

This study follows 2000 people with dilated cardiomyopathy (a weakened, enlarged heart) over several years to learn how genetics and heart scarring affect the disease. Participants give blood for genetic testing and have heart MRI scans. The goal is to improve diagnosis and pave …

This study planned to compare virtual clinic visits (using video calls on tablets) with in-person visits for people with vascular diseases. Doctors would classify patients as low, moderate, or high risk for treatment after each visit type. The goal was to see if virtual visits co…

This study aimed to see if a non-invasive finger cuff monitor could track heart function in people with a pulmonary embolism (a blood clot in the lung). The device measures stroke volume and cardiac output continuously, which might help doctors detect early signs of heart failure…

This study was designed to see if breathing in nitric oxide gas could improve blood flow in the lungs of people with a serious pulmonary embolism (a blood clot in the lung). The plan was to measure heart and lung pressures in 20 patients at UCLA. However, the study was withdrawn …

This study looked back at medical records from 2000 adults hospitalized with a blood clot in the lungs (pulmonary embolism). Researchers collected lab tests and CT scan results to see which patients later had serious problems like death, needing a breathing machine, or emergency …

This study reviews medical records of 234 women who had gynecological surgery to see which method of preventing blood clots (like using compression devices or blood thinners) works best and is most cost-effective. Researchers will compare different prevention strategies to find t…

This study looks at how being in a hospital intensive care unit (ICU) after heart surgery affects your body's natural sleep-wake cycle. Researchers will track sleep patterns and thinking ability in 15 adults to see if disrupted rhythms slow down recovery. The goal is to understan…

This study aimed to see if using a special pad along with a standard closure device could help patients get out of bed sooner after a heart catheterization. It was planned for adults having the procedure through the groin. However, the study was withdrawn before any participants …

This study looks at what causes dangerous blood clots in the legs (venous thrombosis) and lungs (pulmonary embolism) in over 21,000 African American and white adults. Researchers are using data from two long-running heart health studies to find patterns and risk factors. The goal…

This study follows 347 heart surgery patients to understand why some develop swallowing problems (dysphagia). Researchers will use special camera tests to watch how patients swallow and look for risk factors. The goal is to create simple tools that doctors can use at the bedside …

This study is following 10,000 adults who are having a heart MRI for medical reasons. Researchers want to see if the MRI results can help predict who will have heart problems in the future, like heart attacks or heart failure. The goal is to better understand how MRI scans can gu…

This study aimed to create a 12-month profile of patients admitted for vascular surgery at University Hospital Limerick in Ireland. The goal was to understand patient characteristics like frailty and other health conditions to improve hospital services and reduce length of stay. …