Vascular insufficiency disorder

This study tests two blood-thinning strategies in people with severe aortic regurgitation who have had a new heart valve placed without open surgery. Participants receive either daily aspirin for a year or warfarin for six months followed by aspirin. The goal is to see which appr…

This study tests whether the drug vericiguat can improve right heart function and reduce tricuspid regurgitation in 100 adults with heart failure and reduced pumping ability. Participants take vericiguat daily for 9 months, with regular heart scans and walking tests to measure ef…

This pilot trial tests whether sirolimus, an anti-inflammatory drug, can reduce artery wall swelling in people with vertebrobasilar dolichoectasia (VBD), a condition where arteries at the base of the brain become enlarged and twisted. Twelve participants will take sirolimus daily…

This pilot study tests whether amiloride, a drug used for high blood pressure, can reduce inflammation in the walls of enlarged arteries at the base of the brain in people with vertebrobasilar dolichoectasia (VBD). Six adults with VBD will take amiloride for up to 12 months. Rese…

This study tests a step-by-step treatment plan for people with a narrowed aortic valve who also have leaky mitral or tricuspid valves. After a minimally invasive procedure to fix the aortic valve, doctors will check if the other valves still leak badly. If so, additional procedur…

This trial tests a new device called the enVVe system, a catheter-based artificial valve placed in leg veins to treat chronic venous insufficiency. The study will enroll 220 people with severe symptoms like skin changes or leg ulcers. Participants are randomly assigned to receive…

This study tests a device called TricValve for people with severe tricuspid regurgitation, a condition where a heart valve leaks. The device is implanted in the veins to help blood flow better. About 780 participants will be randomly assigned to get the device plus standard medic…

This small pilot study will test a program where nurses and general practitioners help breast cancer survivors who also have heart disease make healthy lifestyle changes. The program includes exercise, diet changes, quitting smoking, and stress-reducing activities like yoga. The …

This study tests whether the drug vericiguat can prevent serious heart and organ problems in people undergoing heart surgery. About 600 high-risk patients will receive either vericiguat plus standard care or standard care alone. The goal is to see if vericiguat reduces early comp…

This study tests a special stent (a small mesh tube) placed in veins to treat blockages, narrowing, or leg ulcers caused by poor blood flow. About 150 adults will receive the stent and be followed to see if it keeps the vein open and safe. The goal is to improve blood flow and re…

This study compares two treatments for acute deep vein thrombosis (DVT) in the leg. Half of the 104 participants will receive standard blood-thinning medication alone, while the other half will also undergo a procedure to suction out the clot, sometimes with balloon dilation or a…

This study tests a new device called the TRiCares Topaz, which replaces the tricuspid heart valve without open surgery. It is for people with severe tricuspid regurgitation (a leaky valve) who still have symptoms despite medication. The study will compare this device to another a…

This study tests whether shining a special low-level laser on chronic leg ulcers can help them heal faster. 96 adults with venous leg ulcers will receive either real laser treatment plus standard compression, or a sham laser plus compression, twice a week for 16 weeks. The goal i…

This early study tests a new device called the TRICENTO G2 to treat severe tricuspid regurgitation, a condition where a heart valve leaks badly. Ten adults with symptoms like shortness of breath or swelling will get the valve through a minimally invasive procedure. The goal is to…

This study tests a new method for closing the breastbone after coronary artery bypass graft (CABG) surgery using special knotless barbed sutures and a skin adhesive. Researchers will compare 401 adults who receive this new closure to past patients who had standard closure. The go…

This study tests a new device called the VDyne System, which is placed inside the heart through a tube in a blood vessel to replace a leaky tricuspid valve. The trial will include 730 people with severe symptoms who have not improved with medication. Researchers will compare the …

This registry will follow 500 adults with severe aortic stenosis who receive a SAPIEN 3 Ultra Resilia heart valve through a minimally invasive procedure. Researchers will track how well the valve works and how safe it is over 10 years. The goal is to see if this newer valve desig…

This study tests whether setting a pacemaker to a faster rate (90 beats per minute) can help people with right heart failure and severe tricuspid regurgitation. Twenty-four participants with a low resting heart rate will get a special pacemaker implant and be followed for 6 month…

This study tests a new way to replace a leaky heart valve (aortic regurgitation) without using X-rays or contrast dye, which can harm the kidneys. Instead, doctors will use only ultrasound (echocardiography) to guide the procedure. The goal is to see if this approach is safe and …

This study tests a new device called LuX-Valve Plus for people with a severely leaky heart valve (tricuspid regurgitation). About 680 adults will get either the new device or a standard one to see which is safer and works better. Participants will have one procedure and be follow…

This study tests whether special dressings made from donated human umbilical cord tissue, used along with standard wound care, can help close hard-to-heal leg ulcers faster than standard care alone. About 272 adults with venous leg ulcers that have not healed after 4 to 52 weeks …

This study tests a new device called the J-Valve Transfemoral System in 50 adults who have a heart pump (LVAD) and a severely leaking aortic valve. The valve is replaced through a blood vessel, avoiding open-heart surgery. The goal is to see if it safely stops the leak and improv…

This study tests a new way to replace the aortic valve in people with a leaky heart valve (aortic regurgitation) without using X-rays or contrast dye. Instead, doctors will rely on ultrasound (TEE) to guide the procedure. The goal is to see if this approach is safe and effective,…

This study tests whether adding colchicine, an anti-inflammatory pill, to standard blood thinners can prevent long-term vein damage after a deep vein thrombosis (DVT) in the leg. About 940 adults with a first acute DVT will receive either colchicine or a placebo for six months an…

This study tests whether a special clinic where heart, kidney, diabetes, and liver doctors work together can help people with type 2 diabetes and heart disease get better control of their blood pressure and cholesterol. About 150 adults will be randomly assigned to either usual c…

This study tests a community-based exercise program for people aged 50 and older who have at least two chronic conditions, such as heart disease, diabetes, arthritis, or obesity. The program is designed to improve muscle strength, heart and lung fitness, and overall well-being. R…

This study will enroll 404 people with severe leakage in both the mitral and tricuspid heart valves. Participants will be randomly assigned to have either both valves repaired at once using a catheter-based device, or only the mitral valve repaired. The goal is to see which appro…

This study tests whether taking vitamin B supplements before and after heart surgery can lower the chance of serious problems like heart attack, stroke, or irregular heartbeat. About 1,000 adults having heart surgery will take either vitamin B or a placebo daily for 6 months afte…

This study tests a new device, the Medtronic Intrepid™ TTVR System, to replace a leaky tricuspid heart valve without open-heart surgery. It is for people with severe symptoms despite medication. About 1,186 participants will be followed to see if the device reduces complications …

This study looks at whether a medical-grade smartwatch (CardioWatch 287-2) can improve a 13-week virtual cardiac rehab program for people with heart disease. About 216 participants will either use the watch or not, and researchers will compare their progress in areas like exercis…

This study tests a new device called the MIA-T system, which is inserted through a catheter to repair the tricuspid valve in people with severe leakage. The trial will enroll 600 patients who are too high-risk for traditional surgery. The goal is to see if the device safely impro…

This study tests Mobili®, a portable digital dispenser that automatically gives the right pills at the right time. Researchers will enroll 96 adults with diabetes or heart disease who take at least two daily medications. Participants use the device for a period, and the study mea…

This study tests a new radioactive tracer called 18F-FAPI-74 that may help detect scar tissue (fibrosis) in the heart and lungs earlier than current methods. Researchers will compare this new PET/CT scan to standard imaging in 210 adults with conditions like lung disease or heart…

This study tests a new, non-invasive MRI method to measure oxygen levels in the portal vein, which carries blood from the gut to the liver. Researchers will compare 20 people with meal-related abdominal pain due to narrowed gut arteries (chronic mesenteric ischemia) to 20 people …

This pilot study explores whether non-drug strategies like virtual reality or relaxing soundscapes can reduce anxiety and pain in adults undergoing scheduled coronary angiography or angioplasty. Participants will be assigned to listen to calming sounds, experience a virtual reali…

This study will test a new way to treat varicose veins using a 1940nm laser, performed outside the operating room under local anesthesia. Researchers want to see how satisfied patients are with the procedure and check its safety and effectiveness. About 155 adults with saphenous …

This study tests whether low-intensity focused ultrasound (LIFU) applied to a nerve cluster in the neck can improve sleep quality and heart rate control in people recovering from heart surgery. 200 participants will receive either real or sham ultrasound daily for 3-7 days after …

This study looks at whether a supplement called Neurofast® can help people who have both anxiety and heart problems. 80 adults aged 18-70 will take the supplement or no extra treatment for 12 weeks. Researchers will measure changes in anxiety, heart rate, and blood pressure.

This study tests whether the TriClip device, which repairs a leaky tricuspid valve without open surgery, can improve daily life for people with severe tricuspid regurgitation. 150 participants will be randomly assigned to receive either the TriClip or a placebo procedure. The mai…

This study tests whether taking calcium dobesilate before and after radiofrequency ablation for varicose veins can reduce pain and improve quality of life. 250 adults with symptomatic varicose veins will be randomly assigned to receive the drug or standard care. The main goal is …

This study tests whether adding a short, guided mindfulness meditation session to standard cardiac rehabilitation can help heart patients feel better and control their blood pressure. Eighty adults with heart disease will be split into two groups: one gets standard rehab plus med…

This study will compare cannabis, opioids, and two non-drug therapies (MIRE and TENS) in 1,000 people with chronic pain or circulatory disorders. The goal is to find safer, less addictive pain relief options. Researchers will measure changes in pain and nerve function using objec…

This study compares two types of heart valve surgery: a newer, less invasive method through a small cut on the right side of the chest versus the traditional method through a cut down the middle of the chest. Researchers will measure how quickly patients recover, including time o…

This study looks at whether a common procedure for varicose veins—called endovenous ablation—can also reduce knee pain in people aged 80 and older. The researchers will follow 50 participants for one year after treatment, measuring pain and knee function. The goal is to see if im…

This study uses advanced 4D MRI scans to measure blood flow and heart function in adults with heart disease or cancer. Researchers aim to see if these detailed images can help predict how these diseases will progress. The study involves 1,000 participants who are already schedule…

This study will interview 15 people from ethnic minority backgrounds in the UK who have heart disease. The goal is to understand their views on the diet and lifestyle advice they get from doctors, and whether it fits their cultural and religious customs. Researchers hope to learn…

This study tests whether it is possible to run a larger trial comparing two ways of using a breathing machine (ventilator) in critically ill heart patients who need help breathing. The two modes are volume-controlled (delivers a set amount of air each breath) and pressure-control…

This study tests whether releasing a blood pressure cuff (used as a tourniquet) early during blood collection reduces the rate of hemolysis — when red blood cells burst and ruin the sample. About 792 emergency department patients with non-critical conditions will be randomly assi…

This observational study at a French hospital will ask 20 heart rehab patients and their care teams about what stops them from getting or offering psychological and social support. The goal is to understand these barriers so that hospitals can better help patients return to work …

This study aims to see if a quicker MRI scan can produce images of blood vessel walls that are just as good as the standard, longer scan. Researchers will enroll 15 adults who already need a vessel wall MRI as part of their care. The faster scan will be compared to the regular on…

This study will compare two newer pacemaker technologies—left bundle branch area pacing and leadless pacing—to see how they affect heart function and the tricuspid valve. Twenty adults with certain heart block conditions will receive both types temporarily during their routine pa…

This study will follow 5,500 people in China who receive new heart valve devices (replacement or repair) for conditions like aortic stenosis or mitral regurgitation. Researchers will track safety issues such as stroke, bleeding, and device function over time. The goal is to see h…

This study looks at whether vein problems are linked to pain, swelling, and daily function in women with lipedema. Researchers will use ultrasound to check leg veins and ask participants about their symptoms. The goal is to better understand how these conditions interact, which c…

This study will follow 100 people getting a total knee replacement to see if those with chronic venous insufficiency (poor blood flow in leg veins) have more wound healing problems. Participants will have an ultrasound before surgery to check their veins and then be monitored for…

This observational study will follow 50 people with severe tricuspid regurgitation (a leaky heart valve) and reduced heart function who undergo valve repair using the PASCAL Precision System. The main goal is to see if, 12 months after repair, patients can take higher doses of st…

This observational study will track 87 people who are already scheduled to receive treatment with the Recana Thrombectomy Catheter System for blocked veins in their legs. The goal is to see how safe the device is and how well it works at clearing the blockages during the procedur…

This observational study will follow 50 adults and children who are starting long-term parenteral nutrition (IV nutrition) to measure the buildup of advanced glycation end-products (AGEs) in their skin. AGEs are harmful compounds that form when sugar binds with proteins, and they…

This pilot study will test whether a women-focused education program, called Cardiac College for Women, helps women with heart disease learn more about their condition and feel better. About 50 women in cardiac rehab across Canada will either get the program plus usual care or us…

This study will look at how consistently nearly 6,000 adults in Italy take three newer cholesterol-lowering drugs (inclisiran, evolocumab, and alirocumab) over the long term. Researchers will analyze prescription records to measure adherence and persistence in everyday medical pr…

This study tests a special catheter that measures how well the right side of the heart is working in 8 people with severe tricuspid regurgitation (a leaky heart valve). Participants are already scheduled for a procedure to fix the valve. The goal is to see if this tool can help d…

This study will test new MRI methods to find early signs of heart disease in 1000 adults. Researchers want to see if these scans can detect tiny changes in heart muscle before standard tests do. Participants will have MRI scans and blood work, but no treatment is given. The goal …

This study will test a specially trained AI model (like ChatGPT) to see if it can help doctors correctly diagnose and recommend treatments for lymphedema, lipedema, and venous insufficiency. Researchers will compare the AI's suggestions to current medical guidelines. The goal is …

This study watches 300 ICU patients to see how often blood clots caused by catheters remain in the vein after the catheter is taken out. Researchers will track risk factors and whether these clots lead to serious issues like lung clots or long-term vein damage. No new treatments …

This study will follow 400 people who come to the emergency room with sudden vertigo or dizziness that might be caused by a mini-stroke in the back of the brain. Researchers will track their symptoms, treatments, and outcomes over a year to learn how to better diagnose and manage…

This large registry study will follow over 2,700 postmenopausal women aged 45-75 who use newer forms of hormone replacement therapy (creams, gels, sprays). The goal is to see if these modern delivery methods lower the risk of heart attacks, strokes, and other cardiovascular event…

This study will follow 4,000 intensive care patients aged 80 and older to see how chronic and acute heart conditions impact their survival, daily function, and quality of life. Researchers will use simple tests to measure frailty and independence. The goal is to help doctors bett…

This study will follow 500 Beijing residents aged 60 and older to see how urinary function (like bladder and kidney health) relates to the development of multiple chronic conditions such as diabetes, heart disease, and Alzheimer's. Participants will have regular health checks, bl…

This study will measure a specific heart function index in 2,640 healthy adults and people with heart conditions using AI-enhanced 3D ultrasound. The goal is to establish normal ranges and see how this measurement changes in diseases like heart failure and high blood pressure in …

This study will ask 380 heart patients and healthcare workers at Assiut University Heart Hospital to fill out questionnaires about depression, anxiety, stress, and burnout. No treatments or changes are given—the goal is simply to find out how common these mental health problems a…

This study will test whether an artificial intelligence (AI) system can detect pulmonary hypertension and other heart diseases using a smart stethoscope. Researchers will collect heart sound and ECG recordings from 1,000 adults already scheduled for routine echocardiography. The …

This study looks at how sleep disorders and problems with the body's automatic functions (like heart rate control) are linked in elderly people with heart disease. Researchers will study 210 patients aged 65 and older to find out how common sleep issues are and how they affect he…

This study will compare two ways of measuring pressure inside the heart during heart surgery: the gold standard (direct left atrial pressure) and a more common indirect method (pulmonary capillary wedge pressure). Researchers want to see if the indirect method is accurate enough …

This study will follow 50 adults with varicose veins and chronic knee pain who are scheduled for standard vein treatment (laser or radiofrequency ablation). Researchers will measure changes in knee pain, stiffness, and function before and after the procedure. The goal is to see i…