Vascular insufficiency disorder

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 trial is testing whether a new heart valve device, called Myval, can safely and effectively treat people with severe aortic regurgitation—a condition where the heart's aortic valve doesn't close properly, causing blood to leak backward. The study involves about 164 adults wh…

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 study tests a new device called the Laplace Transcatheter Tricuspid Valve Replacement (TTVR) System for people with severe tricuspid regurgitation, a condition where the heart's tricuspid valve leaks blood backward. The device is placed through a catheter, avoiding open-hear…

This phase 3 trial tests whether a daily tablet of CLR-07-23 (heparan sulfate) can reduce symptoms of chronic venous disease, such as leg pain, itching, swelling, and night cramps. The study includes adults aged 18 to 80 with mild to moderate vein disease. Participants take eithe…

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 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 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 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 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 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 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 trial tests whether a portable handheld Doppler device can help nurses quickly detect arterial insufficiency in people with diabetes who have foot ulcers. The device checks for blood flow in the great toe, and the goal is to see if it can reliably flag patients who need furt…

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 …

Researchers are testing a new device called the Solutio™ catheter to see if it can safely deliver numbing medicine (tumescent anesthesia) from inside the great saphenous vein before endothermal ablation, a common treatment for varicose veins. The trial enrolls 30 adults with veno…

Researchers are testing a new defibrillator lead called the Medtronic OmniaSecure Model 3930M in people who need a defibrillator and also have moderate or worse tricuspid valve regurgitation. The lead is placed through the middle cardiac vein, a different route than usual, with t…

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 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 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 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 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 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 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 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 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 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…