Venous thromboembolism

This study explores whether combining a high-protein Mediterranean diet with resistance exercise can help people with heart disease build muscle and lower their risk of future heart problems. The trial enrolls adults who have completed cardiac rehab and may have low muscle mass w…

This study tests whether a three-month smartphone-supported walking program can improve daily step counts, psychological well-being, and body composition in adults with cardiovascular disease or type 2 diabetes. Participants use the Walk15 app to set personalized step goals and t…

This study tested a coaching program called MACRO-I for adults aged 70 and older who had a heart event. The program used coaches to guide patients through starting cardiac rehab, either at a center, at home, or a mix of both. 416 participants were split into the coaching group or…

This trial compared two blood thinners—apixaban (a pill) and enoxaparin (a shot)—in 126 bladder cancer patients after bladder removal surgery. The goal was to see which one patients were more likely to take as prescribed, which they preferred, and what it cost them. Participants …

This study compared two blood thinners, rivaroxaban (Xarelto) and apixaban (Eliquis), in 2760 adults with new blood clots in the legs or lungs. The goal was to see which drug causes fewer bleeding problems. Results could help doctors choose the safer option for treating venous th…

This pilot study tested whether a shorter course of blood thinner (LMWH) followed by aspirin is as good as the standard 6 weeks of LMWH for preventing blood clots after childbirth. The study enrolled 30 women at moderate to high risk of clots. The main goal was to see if women wo…

This large, completed phase 3 trial enrolled over 5,400 people undergoing total hip or knee replacement to compare two approaches for preventing venous thromboembolism (blood clots). Participants received either aspirin alone or a short course of rivaroxaban followed by aspirin. …

This study tested a soft robotic sock called VACOM in 19 stroke patients who had trouble moving their ankle. The sock gently moves the ankle to prevent stiffness and improve blood flow, aiming to reduce the risk of blood clots and contractures. The trial is complete, but results …

This study tested a special sheath (the Protrieve Sheath) placed in a large vein to catch any blood clots that might break loose during a procedure to remove deep vein clots (DVT). The goal was to prevent those clots from reaching the lungs and causing a pulmonary embolism. The s…

This study tested whether the blood thinner pill rivaroxaban works as well as standard injections (enoxaparin) in children aged 6 months to 18 years with deep vein clots. Sixty children were randomly assigned to either the pill or injections for 3 months. The main goal was to see…

This study tested whether a physical activity program delivered by mail and website could improve the health of nearly 50,000 older women already in the Women's Health Initiative. The program included aerobic, balance, strength, and flexibility exercises, and encouraged reducing …

This study looked at whether the blood thinner Xarelto (rivaroxaban) can prevent dangerous blood clots in the legs or lungs after hip or knee replacement surgery. 150 patients were randomly assigned to receive either Xarelto or no blood thinner after surgery. The researchers trac…

This study tested a once-daily pill called orforglipron against insulin glargine in nearly 2,750 adults with type 2 diabetes, obesity or overweight, and increased cardiovascular risk. The main goal was to see if orforglipron could reduce major heart events like heart attacks or s…

This study tested a special filter placed in a large vein to catch blood clots before they reach the lungs. It included 50 people who could not take blood thinners. The goal was to see how often the filter could be successfully placed and removed, and to track any problems.

This study looked at how well the JETi device works in real-world settings to remove blood clots from deep leg veins (venous thrombosis). The device uses suction and tiny water jets to break up and remove clots. In 121 patients, the device successfully cleared at least 75% of the…

This study tested whether intensive dental cleaning and oral hygiene advice can improve gum health and also affect markers of heart disease and type 2 diabetes. About 200 adults with gum disease and either heart disease or diabetes (or prediabetes) took part. Researchers measured…

This completed trial tested a device called Ceragem Master V6 to see if it improves blood circulation in people at risk for deep vein thrombosis (DVT) and in healthy adults. 59 participants used the device once, and researchers measured changes in blood flow speed and vein size u…

This small completed study looked at a blood filtering procedure called double-filtration plasmapheresis (DFPP) in 5 kidney dialysis patients with very high levels of lipoprotein(a), a fatty substance linked to heart disease and blood clots. The goal was to see if DFPP could lowe…

This completed trial tested a device called CGM MB-1701 to see if it can improve blood flow in people at risk for deep vein thrombosis (DVT). The study enrolled 60 adults who did not have DVT at the start. Researchers measured changes in blood flow speed in the leg vein after usi…

This study tested a hospital policy of giving tranexamic acid to adults undergoing major non-cardiac surgery to reduce the need for blood transfusions. Over 8,400 patients took part across multiple hospitals. The goal was to see if this approach safely lowers transfusion rates an…

This study tested whether a drug called alirocumab, which lowers cholesterol, can reduce heart disease risk in people with HIV. The trial involved 118 adults aged 40 and older with well-controlled HIV and high heart disease risk. Participants received either alirocumab or a place…

This completed trial looked at whether taking two cholesterol-lowering drugs (rosuvastatin and ezetimibe) is more effective and safer than taking just one (rosuvastatin) for people with heart disease. 66 adults with high cholesterol were randomly assigned to one of the two treatm…

This study tested a device called the JETi system to remove blood clots from veins or arteries in the arms or legs. It included 12 adults of Asian descent in Hong Kong. The goal was to see how well the device cleared clots and if it caused serious side effects like bleeding or re…

This study tested whether giving the drug tirofiban during stent or flow diverter procedures for unruptured brain aneurysms could reduce the number of small brain injuries seen on MRI after surgery. 192 adults aged 18-80 took part. The goal was to see if tirofiban works better th…

This study compared two common blood thinners, rivaroxaban and apixaban, in 72 adults with newly diagnosed blood clots in the legs or lungs. The main goal was to see if a larger trial is possible by checking how many patients could join and complete follow-ups. Researchers also t…

This study looked at whether a low dose of the blood thinner apixaban (2.5 mg twice daily for 12 months) can safely prevent blood clots from returning in people who already had a clot triggered by a temporary risk factor. 600 high-risk adults took either apixaban or a placebo. Th…

This study looked at whether giving hospital-level care to acutely ill adults in their own homes in rural areas works well. 160 people with various conditions like infections, heart failure, or COPD took part. The goal was to see if this approach could lower costs and help patien…

This pilot study tested whether giving the blood thinner enoxaparin after a C-section is feasible and safe. 64 women who had a C-section were randomly assigned to receive enoxaparin or no treatment for 14 days. The main goal was to see if enough women would join and complete the …

This study tested how well a small, portable device (LumiraDx) measures blood clotting (INR) compared to standard lab tests. Researchers collected blood from 420 adults, some taking warfarin and some not, using both a fingerstick and a vein draw. The goal was to see if the device…

This study tested a new approach to diagnose whether a blood clot has returned in the leg. Instead of relying on older methods, doctors used color Doppler ultrasound and a D-Dimer blood test to safely rule out a new clot. Over 400 people with a history of deep vein thrombosis too…

This study looks at whether ultrasound can correctly diagnose a repeat deep vein thrombosis (DVT) in the same leg. Researchers will check if the clot changes after 3 months of blood thinner treatment. The goal is to reduce false alarms and unnecessary treatment. The study involve…

This study tested a new rapid D-dimer blood test (LumiraDx) in 679 people with symptoms of deep vein thrombosis or pulmonary embolism. The test uses a small blood sample from a finger prick or vein to quickly measure D-dimer levels, which can help rule out dangerous blood clots. …

This study looked at whether a special eye scan (SS-OCTA) can detect signs of cardiovascular disease. Researchers compared retinal blood vessel changes to results from a standard carotid ultrasound in 42 adults. The goal was to see if the eye scan could predict the presence or se…

This study tested whether a mobile app called ThinkSono Guidance can help healthcare workers who are not ultrasound experts (like nurses or general doctors) take good-quality ultrasound images of leg veins to check for blood clots. Over 600 adults with symptoms of deep vein throm…

This study tested an experimental drug called REGN7508 in 179 adults having knee replacement surgery. The goal was to see if it could prevent blood clots in the legs or lungs better than standard care. Researchers also monitored side effects and how the drug moved through the bod…

This study looked at how often older adults with heart disease risk factors should exercise to improve fitness and blood pressure. Twenty-two participants did combined training either twice or three times a week for 12 weeks. The goal was to see which frequency worked better for …

This study tested a new drug called SHR-2004 to prevent dangerous blood clots in people undergoing elective total knee replacement. Over 1,100 adults participated, receiving either SHR-2004 or a standard blood thinner. The goal was to see if SHR-2004 could reduce clots in the leg…

This study tested two experimental drugs, REGN9933 and REGN7508, to see if they can prevent venous thromboembolism (blood clots) in adults who need a PICC line for at least 14 days. The drugs are monoclonal antibodies that target a clotting factor. 195 participants received a sin…

This study compared three common blood thinners—aspirin, warfarin, and rivaroxaban—to prevent dangerous blood clots after hip or knee replacement surgery. Nearly 19,000 adults took part. The goal was to find which option best balances preventing clots with avoiding bleeding side …

This study looked at 86 women with Factor V Leiden or Factor II mutations who had no history of blood clots. Researchers compared how long doctors prescribed blood thinners after childbirth (less than 2 weeks vs. 6 weeks) to see if shorter treatment was still effective at prevent…

This study compared an experimental oral anticoagulant called Dimolegin to the standard injectable drug Clexane for preventing venous thromboembolism (VTE) in 215 adults undergoing hip or knee replacement surgery. The goal was to see if the pill is as effective and safe as the in…

This completed trial tested whether a nurse-led program of early movement, leg-sleeve squeezes, and blood tests could prevent deep vein thrombosis (DVT) in adults after brain or spine surgery. Over 1,200 participants were randomly assigned to either the nurse-led program or stand…

This study tested an 8-week digital lifestyle program called MYCardio-PEER for low-income adults at risk of heart disease. Participants received weekly videos and infographics on healthy eating and exercise, plus group chats with peer leaders. The goal was to see if the program i…

This study looked at whether a home-based physical activity program and computer-based cognitive training could help prevent memory loss in older women with heart disease. 253 women aged 65 and older participated. The goal was to see if these lifestyle changes could improve memor…

This study tested whether adding a leg compression device to elastic stockings reduces blood clots in intensive care patients at high risk of bleeding. Over 400 patients were randomly assigned to receive either the device plus stockings or stockings alone. The main goal was to se…

This study compared two blood-thinning drugs, Bemiparin and Enoxaparin, to prevent venous thromboembolism (dangerous blood clots) in 7020 women after vaginal or cesarean delivery. All participants had risk factors for clots and received daily injections for up to 7 days after giv…

This study tested whether a small, wearable device called geko can help prevent dangerous blood clots in the legs of critically ill adults. The geko device uses mild electrical pulses to stimulate leg muscles, improving blood flow. Researchers compared it to standard compression …

This completed study tested whether sending behavioral nudges through Denmark's official electronic letter system could increase flu vaccination among adults aged 18-64 with chronic diseases. Over 300,000 participants were randomly assigned to receive different types of letters o…

This study looked at two methods to reduce pain after heart surgery through a cut in the chest bone. 120 adults received either a nerve block near the breastbone, pain medicine injected into the wound, or standard painkillers. Researchers measured pain levels using a saliva test …

This study tested whether a special nursing plan (called ERAS) could help women recover after surgery for cervical cancer. 160 women were split into two groups: one got the ERAS nursing plan, the other got standard care. The goal was to see if the ERAS plan could lower the risk o…

This completed trial tested an 8-week program called Healing Hearts Together (HHT) for couples where one partner has heart disease. 474 couples attended weekly group sessions focused on communication, emotional support, and heart health. The goal was to see if the program improve…

This study tested whether a 20-minute session of nurse-led spiritual care, including prayer and relaxation techniques, could help heart surgery patients feel less anxious and have more stable blood pressure and heart rate before their operation. 248 adults in Indonesia took part.…

This study tested whether a 3-month yoga program could improve physical and mental health in adults over 65 who had recently finished cardiac rehab. Participants attended yoga twice a week. Researchers measured balance, muscle strength, anxiety, and mood. The goal was to see if y…

This study tested whether starting physiotherapy early is practical and helpful for patients hospitalized with a first-time deep vein thrombosis (DVT) in the leg. Twenty-four adults participated, and researchers measured how many joined, stayed, and completed quality-of-life surv…

This study tested a 9-week internet-based cognitive behavioral therapy (CBT) program designed to reduce stress, anxiety, and depression in people with stable heart disease. 215 adults with heart disease and elevated stress or mood symptoms took part. The program was personalized …

This study tested whether adding virtual reality (VR) driving simulations to standard cardiac rehabilitation helps heart surgery patients feel less anxious and depressed. Sixty adults recovering from heart surgery took part. The results suggest VR can improve emotional well-being…

This study explored how family members share health information about genetic diseases like sickle cell, diabetes, and cancer. Over 1,000 adults completed surveys or interviews about their family health history and support. The goal was to understand social and relational factors…

This study investigates how often cancer patients with COVID-19 develop dangerous blood clots (venous thromboembolism). Researchers will screen participants using ultrasound and blood tests to detect clots, whether or not they cause symptoms. The goal is to understand the true ra…

This study looked at how doctors make decisions about dosing the blood thinner warfarin based on a patient's genetic background. Researchers used virtual reality to simulate patient visits with different racial and socioeconomic backgrounds. 196 internal medicine residents partic…

This study looked at over 2,100 patients aged 80 and older with atrial fibrillation who were taking the blood thinner warfarin. Researchers wanted to see if having multiple other health conditions (comorbidities) made it harder to keep their blood thinning levels stable. The goal…

This pilot study tested whether giving inhaled nitric oxide gas during laparoscopic surgery could protect blood vessels and organs in 40 adults with heart disease. Half received the gas through their breathing tube during surgery, and half received standard care. Researchers meas…

This study examined blood samples from 119 adults with sickle cell disease, sickle cell trait, or no condition to understand why some develop dangerous blood clots. Participants gave blood and had health check-ins over two years. The goal was to find biomarkers that could lead to…

This study measured how two common blood thinners (rivaroxaban and apixaban) behave in 193 adults with active cancer who also had blood clots or atrial fibrillation. Researchers aimed to understand factors like age, weight, and kidney function that affect drug levels. The goal wa…

This study looked at 150 Caribbean Hispanic adults with heart disease or stroke risk who take the blood thinner clopidogrel. Researchers wanted to see if certain gene variants affect how well the drug works. The goal is to understand why some people get less benefit and to pave t…

This study checked how well over 5,000 heart patients follow their prescribed medicine routine. Researchers asked patients about their medication habits and any side effects. The goal was to understand how many patients do not take their medicines as directed.

This study used data from over 12,000 ICU patients to create a computer model that can predict which patients are at risk for venous thromboembolism (VTE) – dangerous blood clots. The model was designed to be easy for doctors to understand and use. The goal is to improve preventi…

This completed study from Israel examined 4,500 ICU patients to see if intermittent pneumatic compression (IPC) devices, which are used to prevent dangerous blood clots, might also cause pressure sores. The researchers focused on sores around the ankles and other bony areas. The …

This study looked at how often air bubbles accidentally get into the bloodstream during bronchoscopy, a common lung procedure. About 500 adults having diagnostic or therapeutic bronchoscopy were monitored with heart and brain ultrasound to detect these bubbles. The goal was to fi…

This study looks at data from children under 18 in Japan who were prescribed either rivaroxaban or warfarin for blood clots. Researchers want to see how often major bleeding happens in real-world use. No new treatments are given—only existing medical records are reviewed.

This study tested a program where doctors refer inactive people with chronic diseases (like diabetes, heart disease, or obesity) to an exercise professional for personalized counseling. The goal was to see if this referral scheme helps people become more active compared to just g…

This study checked whether the Turkish version of the Cardiac Depression Scale (CDS) works well for people with heart disease. Researchers tested 360 Turkish adults with various heart conditions to see if the scale accurately measures depression. The goal is to give doctors a rel…

This completed study looked at 400 people with both heart disease and a mental health condition (like depression or anxiety). Researchers used questionnaires, blood tests, and imaging to find shared risk factors and biological markers. The goal was to better understand how these …

This study looked at whether sending alerts to pharmacists instead of doctors helps improve how blood thinners (anticoagulants) are prescribed. Researchers tested two types of alerts with 306 healthcare providers. The goal was to see which method leads to faster and safer prescri…

This study looked at whether wearing an activity monitor (like a Fitbit) after heart surgery helps patients get moving sooner and return to their normal activity levels faster. Researchers tracked motivation, length of hospital stay, and readmission rates in 12 adults who had car…

This completed study followed 1,000 adults with venous thromboembolism (blood clots) across China for several years. Researchers tracked who had another clot, who had bleeding problems, and who died. The goal was to learn which patients need long-term blood-thinning medication an…

This study tested whether special communication training for pharmacists and general practitioners helps them involve older patients in decisions to stop or lower medications for heart disease and diabetes. Researchers enrolled 310 patients aged 75 and older who were taking certa…

This study tested whether a theory-based motivational letter mailed six months in advance could increase attendance at a one-year post-cardiac rehabilitation check-up. Researchers compared 102 adults who received the letter to those who got usual care. The goal was to see if a si…

This study looked at whether a blood test done before hip or knee replacement surgery can predict the risk of developing deep vein thrombosis (DVT), a dangerous blood clot. Researchers measured thrombin generation in 146 patients. The goal was to see if the test could identify wh…

This study interviewed 15 children aged 12 to 21 who have bleeding or clotting disorders. Researchers asked about their quality of life, confidence in managing their condition, and how they view the care they receive. The goal is to better understand the real-life challenges thes…

This study looked at how well a daily low-dose aspirin works in people who have both immune thrombocytopenia (low platelets) and heart disease. Only 4 adults took part. Researchers measured platelet function after aspirin to see if the standard dose is enough to prevent blood clo…

This study tested whether a systematic phone call from a medical student, supervised by a general practitioner, could reduce hospitalizations in patients with chronic heart or mental health conditions during the COVID-19 lockdown in France. Over 22,000 patients aged 70 and older …

This study looked at 320 adults who had heart surgery to see how well two different risk scores (EuroSCORE-II and POSPOM) predict the chance of dying in the hospital. Researchers calculated each patient's scores before surgery and compared them to what actually happened. The goal…

This study looked at whether orienteering (a navigation-based walk) is as good as regular walking for heart rehab. 40 people with stable heart disease took part. Researchers measured heart rate and enjoyment during both activities. The goal was to see if orienteering could be a f…

This study tested whether a special PET/CT scan can predict which patients with deep vein thrombosis (DVT) will later develop post-thrombotic syndrome (PTS), a condition causing chronic leg pain, swelling, and ulcers. Researchers imaged 51 patients shortly after their DVT and fol…

This study tested a decision-support tool called DOACT that helps doctors choose the right blood thinner for patients with blood clots in veins or lungs. Researchers compared how well the tool performed against artificial intelligence models and doctors' own judgment. The goal wa…

This completed study examined stored DNA from 150 adults over 50 who had a history of venous thromboembolism (blood clots). Researchers looked for specific gene mutations linked to a condition called clonal hematopoiesis of indeterminate potential (CHIP). The goal was to see how …

This completed study looked at whether intimate partner violence (IPV) increases the risk of blood clots in women taking combined oral contraceptives. Researchers compared 997 women who had a first blood clot with similar women who did not, using a questionnaire to screen for IPV…

This study looked at how well the Wells score, a tool used to predict deep vein thrombosis (blood clots), works for hospitalized patients who are already receiving blood thinners. Researchers compared the score's accuracy between patients with and without thromboprophylaxis and c…

This study looked at whether levels of nucleosomes and free DNA in the blood change from month to month in healthy people and in those who have had a blood clot (venous thromboembolism). Researchers measured these markers monthly for six months in 15 healthy volunteers and 15 pat…

This study tested an indoor air pollution intervention called AIRWISE in 20 adults aged 55 and older with heart disease. Participants received personal air cleaners, a color-changing air quality monitor, and educational materials. The goal was to see if they would use these tools…

This study looked at medical costs for cancer patients who had a blood clot (VTE) and were treated with either apixaban or low molecular weight heparin. Researchers analyzed insurance claims from over 7,300 patients to compare total healthcare costs, including hospital stays and …

This completed study tested whether healthcare claims data can predict the results of a major heart trial (SURPASS-CVOT) comparing two diabetes drugs, tirzepatide and dulaglutide. Researchers analyzed records from over 44,000 people with type 2 diabetes and heart disease to see i…

This completed study looked at 11,000 COVID-19 patients to understand how often they develop dangerous blood clots in arteries or veins. Researchers tracked clot rates, risk factors, and outcomes over 30 and 90 days. The goal was to learn more about these complications to improve…

This study investigates why people with myotonic dystrophy type 1 are 10 times more likely to develop dangerous blood clots in the legs or lungs. Researchers will compare blood samples from 130 participants—including patients with the disease, those with a history of clots, and h…

This study tracked 81 adults with pelvic or hip socket fractures to see how often they developed blood clots in their legs or lungs, even while receiving standard clot-preventing medication. All participants got ultrasound scans to find clots that might not cause symptoms. The go…

This study looked at two ways to assign care coordinators to older adults (65+) with heart disease or risk factors. One method used patients' own reports of difficulty coordinating care, while the other used usual triggers like hospital discharge. The goal was to see which approa…

This study looked at 744 people who had a blood clot before and were suspected of having another one. Researchers tested three different checklists (called clinical decision rules) to see how well they could tell if a new clot was really there. The goal was to help doctors avoid …

This completed study followed 300 patients with venous thromboembolism (blood clots in veins) to track how often clots return or cause bleeding. Researchers hope to find new risk factors and compare newer blood thinners. The study only observes, so it cannot test treatments direc…