Aortic disorder

This registry is following 500 adults in Portugal who have severe aortic stenosis and are getting a new type of heart valve replacement called the Medtronic Evolut FX+ TAVI system. The goal is to see if using a standardized procedure makes the treatment safer and more effective. …

This study compares a new heart valve, the DurAVR®, to standard TAVR valves in up to 1650 people with severe aortic stenosis. The valve is designed to mimic natural blood flow. Participants are randomly assigned to get the new valve or a standard one and are followed for up to 10…

This study tests a new device called Rapidlink, used during open surgery to repair or replace blood vessels in the chest. It involves 150 adults already scheduled for aortic surgery. The goal is to see if the device reduces major complications like stroke or death. Participants w…

This study compares two ways to keep blood flowing during open surgery for a large aneurysm in the chest and belly. About 236 adults will be randomly assigned to one of two heart-lung machine techniques. Researchers will track serious complications like death, stroke, kidney fail…

This study compares aspirin and clopidogrel to prevent leaflet thrombosis (blood clots on the valve) in 254 people who had a transcatheter aortic valve replacement (TAVR) for severe aortic stenosis. After 4 weeks of both drugs, participants take either aspirin or clopidogrel alon…

This trial tests a physician-modified stent graft to treat juxtarenal aortic aneurysms—a bulge in the aorta near the kidneys—in people who are too high-risk for open surgery. The graft is altered during the procedure to create openings that keep blood flowing to vital branch vess…

This study follows about 200 people with abdominal aortic aneurysms who receive the Minos stent graft, a device placed through small groin incisions to reinforce the weakened aorta. Researchers track how well the device works and its safety over up to 5 years in everyday hospital…

This study tests whether a drug called enavogliflozin can prevent major heart problems or worsening heart failure in people who have had a heart valve replacement (TAVR) and still have heart failure. About 1,040 participants will receive either the drug or a placebo, in addition …

This study tests a new device called EmStop that captures debris during a heart valve replacement procedure (TAVR) for aortic stenosis. About 663 people will be randomly assigned to receive either the EmStop device or a standard device. The goal is to see if EmStop reduces the ri…

This study is testing a new type of biological heart valve that features an 'easy change' system, designed to make future replacements simpler. Researchers will implant these valves in 500 people with aortic valve disease and track complications like blood clots, infections, and …

This study follows 550 patients whose first TAVI heart valve has failed. Researchers will compare a second TAVI procedure (redo TAVI) with open-heart surgery or medication alone. The goal is to see which approach works best and why, helping doctors make better decisions for futur…

This study tests whether a newer blood thinner (rivaroxaban) works as well as the standard drug (warfarin) for preventing clots and bleeding in people who have a mechanical aortic valve. About 1,300 adults who had valve surgery at least 3 months ago will take one of the two pills…

This study tests whether using just one Perclose device to close the artery after TAVR is as safe and effective as the usual two devices. Researchers will measure bleeding time and complications in 300 adults undergoing TAVR. The goal is to see if a simpler approach can reduce pr…

This study tests a monthly injection called pelacarsen to see if it can slow the worsening of calcific aortic valve stenosis, a condition where the heart valve becomes stiff and narrow. About 502 adults aged 50-79 with high levels of lipoprotein(a) and mild-to-moderate valve dise…

This large trial tests two types of intravenous fluids given during heart surgery: hydroxyethyl starch (HES) and balanced crystalloids. The goal is to see which fluid leads to fewer serious kidney problems, such as kidney failure or death. About 1,292 adults having heart surgery …

This study follows 1,500 people who received a GORE® TAG® stent graft to treat aortic conditions like aneurysms or dissections. Researchers will monitor device performance and patient outcomes for up to 10 years. The goal is to confirm that this minimally invasive procedure remai…

This study tests whether taking a daily fiber and magnesium supplement (WellBiome) for 6-8 weeks before heart surgery can improve recovery. Researchers will compare ICU time, complications, and hospital stay between 80 patients who get the supplement or a placebo. The goal is to …

This study follows 125 people who received a special stent graft (GORE TAG TBE) to treat a tear or bulge in the main artery near the heart (aortic arch). The goal is to see how well the device works and how safe it is over 5 to 10 years. Participants are treated as part of their …

This registry is tracking how well two stent grafts, Castor and Cratos, work for treating aortic conditions like dissections and aneurysms. About 100 patients across European hospitals will be followed for up to 5 years. The goal is to see if these devices are safe and effective …

This study tests a new, less invasive way to replace a leaky aortic heart valve (aortic regurgitation) using a device called the JenaValve Trilogy, compared to standard open-heart surgery. About 1,000 people with moderate to severe aortic regurgitation will be randomly assigned t…

This large phase 3 trial is testing whether adding vicadrostat to the existing drug empagliflozin can reduce the risk of heart problems in adults with type 2 diabetes, high blood pressure, and heart disease. About 11,800 participants will take either the combination or a placebo …

This study tests two types of branch endografts (Zenith t-Branch and Terumo Arch Branch) to treat aortic aneurysms in the chest and abdomen. The devices are placed inside the aorta to reinforce the weakened vessel wall and keep blood flowing to vital organs. Researchers will trac…

This study tests a new device called CHORDS that catches loose debris during a heart valve replacement procedure (TAVR). The debris can travel to the brain and cause a stroke. The trial will compare CHORDS to an existing device in 240 people with severe aortic stenosis. Participa…

This study compares two different devices (Allegra and Sapien) used to replace a failing surgically implanted aortic heart valve without open-heart surgery. About 104 adults with a deteriorated biological aortic valve will be randomly assigned to get one of the two devices. The m…

This early trial tests a new device called the iHub stent-graft in 10 adults with iliac artery aneurysms. The device is placed through a small incision to seal off the aneurysm while keeping blood flowing to the internal iliac artery. Researchers will check for serious problems w…

This study follows 1,200 people who received special fabric tubes (grafts) to repair or replace damaged arteries in the neck, belly, or legs. Researchers want to see how well the grafts work over time and how often problems like blockages or infections happen. It is an observatio…

This study looks at the long-term safety of the drug pelacarsen in people with high lipoprotein(a) and heart disease. About 5,700 participants who finished a previous pelacarsen trial will receive the drug and be monitored for side effects and heart events. The goal is to see if …

This study tests whether spironolactone, a medication that blocks aldosterone, can reduce stiffness in the aorta for people with a thoracic aortic aneurysm. About 50 adults with an enlarged aorta will receive either spironolactone or a placebo for a short time. The goal is to see…

This registry is following 240 people who receive the GORE VIABAHN VBX stent graft to treat blocked or damaged arteries in the abdomen, pelvis, or limbs. Researchers are tracking how well the device works and any serious side effects over time. The goal is to see if the stent gra…

This study tests a pre-set treatment plan for managing heart rhythm issues that can occur after transcatheter aortic valve replacement (TAVR). The goal is to reduce the number of patients who receive a permanent pacemaker while ensuring no one is put at risk of sudden cardiac dea…

This study tests whether giving two steroids (hydrocortisone and fludrocortisone) to high-risk patients before heart surgery can lower the chance of serious complications like kidney injury and lung problems. The trial will include 196 adults with a EuroSCORE II above 4% who are …

This study looks at how safe and effective a special stent (VBX) is for treating blocked arteries near the aorta in the lower belly. About 158 people who already had this stent placed at least a year ago will be followed. The goal is to see if the artery stays open and if there a…

This study is testing whether a common heart valve procedure called TAVI can be performed safely in hospitals that do not have on-site cardiac surgery backup. About 1,600 patients with severe aortic stenosis will be randomly assigned to get TAVI either at a center with or without…

This study is for people whose first TAVR heart valve is failing. Doctors will place a new TAVR valve inside the old one. The goal is to see if this 'redo' procedure is safe and works well. About 225 people will take part, and researchers will check how the valve performs at 30 d…

This study is testing the Navitor heart valve, a device used to replace a narrowed aortic valve without open-heart surgery. It will include 100 people in Japan with severe aortic stenosis. Researchers will check how many patients die within 30 days and whether the valve leaks aft…

This study tests a new treatment called the Nectero EAST System for people with small to medium abdominal aortic aneurysms (AAA). The goal is to see if a single treatment delivered through a catheter can stabilize the aneurysm and prevent it from growing or rupturing. About 400 p…

This early study is testing a new stent graft system designed to treat thoracoabdominal aortic aneurysms, a dangerous bulge in the main artery that runs through the chest and belly. The device has special branches to keep blood flowing to vital organs. Researchers will enroll 11 …

This study looks at how safe and effective a less invasive heart valve replacement (called Sapien 3 TAVR) is for younger patients (ages 50-70) in China with severe aortic stenosis. Researchers will track 450 participants for up to 5 years to see survival rates and complications. …

This small pilot study is testing whether giving a second treatment with the Nectero EAST system is safe and helpful for people with abdominal aortic aneurysms (a bulging blood vessel in the belly). Ten adults who already had one treatment will get a repeat procedure. The goal is…

This study tests a new device called the Arcevo LSA Hybrid Stent Graft, used during open surgery to repair the aortic arch in people with aneurysms or dissections. The device is implanted to support the aorta and its left subclavian artery branch. Researchers will track safety an…

This study is testing a digital app called VIRTUES that provides educational resources and treatment recommendations for heart conditions like atrial fibrillation and heart failure. Researchers will enroll 2000 patients across 11 modules to see if the app is easy to use and helps…

This study compares two advanced, less invasive surgical methods to treat abdominal aortic aneurysms (a bulging blood vessel) in people with a short neck area. About 204 adults will be randomly assigned to one of the two procedures. The goal is to see which approach is safer and …

This study tests a new magnetic device that creates connections in the stomach or small intestine to bypass blockages. It is for people with conditions like gastric outlet obstruction or superior mesenteric artery syndrome. The goal is to see if the device is safe and works as in…

This study tests whether a CT scan 3 months after TAVI (aortic valve replacement) can help doctors decide who needs blood thinners and who can stop them. Currently, patients take aspirin for life, which can cause bleeding. The trial will enroll 2,500 people and compare this perso…

This phase 3 trial is testing whether adding baxdrostat to the standard drug dapagliflozin can better prevent heart failure and cardiovascular death in people with type 2 diabetes who already have heart disease and high blood pressure. About 11,300 participants will receive eithe…

This study is testing a custom-made stent-graft device to repair a type of aortic aneurysm that is close to the kidneys. The device is modified by the surgeon to fit each patient's anatomy. The study will enroll 15 people and follow them for up to 5 years to see if the device is …

This study tests whether a fabric-covered stent (GORE VBX) works better than standard bare metal stents for people with severe blockages in the iliac arteries, which supply blood to the legs. About 244 participants with leg pain or tissue loss will be randomly assigned to receive…

This study tests a drug called inclisiran in children aged 6 to 12 who have a genetic condition that causes very high cholesterol. The drug is given as a shot under the skin and aims to lower 'bad' LDL cholesterol. The trial compares inclisiran to a placebo for one year, then eve…

This study tests a home-based cardiac rehabilitation program delivered through a custom app for people who have had a heart valve procedure. Participants who choose not to attend center-based rehab are randomly assigned to usual care, the app with self-guided content, or the app …

This study looks at whether giving an extra balloon inflation after placing a new heart valve (TAVI) helps the valve open more evenly and work better. About 146 people with severe aortic stenosis will be randomly assigned to receive this extra step or not. The goal is to see if i…

This study tests whether a newer, less-invasive valve replacement (Myval THV) works as well as traditional open-heart surgery in people aged 65 to 75 with severe aortic stenosis. About 1,180 participants will be randomly assigned to one of the two procedures. The goal is to see i…

This study compares standard stent-graft repair (EVAR) to a technique that adds small metal anchors (Heli-FX EndoAnchors) to secure the graft in patients with wide-neck abdominal aortic aneurysms. About 300 adults with aneurysms and a neck diameter between 28-32 mm will be random…

This study follows 100 people with thoracoabdominal or pararenal aortic aneurysms who receive the GORE EXCLUDER TAMBE device, a stent-graft system placed through blood vessels. Researchers will track how often the device is successfully implanted and works without leaks or seriou…

This study tests whether a daily medication called ataciguat can slow the progression of moderate aortic valve stenosis, a condition where the heart's aortic valve becomes narrowed. About 1,276 adults aged 50 and older will receive either ataciguat or a placebo for up to 3 years.…

This study tests a stent graft that doctors modify by hand to treat complex aortic aneurysms in patients who cannot use standard FDA-approved devices. About 40 high-risk adults will receive the custom graft and be followed for five years to check safety and effectiveness. The goa…

This study tests whether a special activity score, calculated from heart rate data, can help people who have completed cardiac rehab stick to exercise guidelines. About 318 participants will wear a smartwatch for 4 months and do an exercise test at the end. Researchers will compa…

This study tests whether adding a special implant (IMPEDE-FX RapidFill) during standard aneurysm repair helps shrink the aneurysm sac more effectively. About 180 adults with large abdominal aortic aneurysms will receive the implant alongside their usual stent graft. The goal is t…

This study is testing a new device called the J-Valve, which is a replacement heart valve delivered through a tube in the leg, to treat severe aortic regurgitation (a leaky heart valve). The trial will include 194 people with severe symptoms who are at high risk for open-heart su…

This study tests a new device called the WeFlow-Tribranch stent graft system to repair aneurysms or ulcers in the aortic arch. About 90 people aged 18 to 80 with these conditions will receive the stent through a minimally invasive procedure. The main goal is to see if the device …

This study is testing a new device called the Hydra Transcatheter Aortic Valve System in 500 people with severe aortic stenosis, a condition where the heart's aortic valve becomes narrow. The device is implanted through a catheter, avoiding open-heart surgery. Researchers will tr…

This study is testing a new heart valve called Hydra for people with severe aortic stenosis, a condition where the heart's main valve becomes narrow. About 250 participants will get the valve through a tube in an artery, and researchers will check how safe and effective it is for…

This study is testing a new heart valve called Hydra in 50 people with severe aortic stenosis, a condition where the heart's main valve narrows. The goal is to see if the valve is safe and works well for up to one year after a minimally invasive replacement procedure. Researchers…

This study tests a special software called the Hypotension Prediction Index (HPI) that helps doctors predict and prevent low blood pressure during major aortic surgery. The trial involves 200 adults undergoing elective open or endovascular abdominal aortic surgery expected to las…

This study tests whether text messages can help people who have finished cardiac rehab keep up healthy habits like weight management, physical activity, and taking medications. Researchers will enroll 400 people from groups often left out of heart research. The study compares dif…

This study tests a stent graft that doctors modify to fit each patient's unique aneurysm in the chest and abdomen. The goal is to see if this less invasive approach is as safe and effective as traditional open surgery. About 80 people aged 50 and older with large aneurysms will t…

This trial compares two different TAVI devices (Evolut FX and Sapien 3 Ultra Resilia) used to replace a narrowed heart valve in people with aortic stenosis. About 1,346 patients will be randomly assigned to get one device or the other. Researchers will track deaths, strokes, valv…

This study tests whether replacing a narrowed heart valve right away (within 12 hours) helps people with severe aortic stenosis who are in cardiogenic shock, compared to the usual approach of stabilizing them in the ICU first. Thirty participants will be randomly assigned to one …

This study tests whether a procedure to open narrowed kidney arteries (renal artery stenting) helps high-risk patients with resistant high blood pressure, declining kidney function, or heart failure. About 80 participants will either receive the real procedure or a sham procedure…

This study tests a doctor-modified stent-graft to treat large aneurysms in the chest and belly area. The goal is to see if this less invasive approach is as safe and effective as traditional open surgery. 80 people aged 50 and older with aneurysms meeting standard surgical size c…

This study compares two ways to treat complex abdominal aortic aneurysms (a bulging blood vessel in the belly). One method uses a custom-made stent-graft, the other uses a stent-graft shaped with the help of a 3D-printed model of the patient's aorta. The goal is to see which appr…

This study is testing a new type of stent called iCover, used during a procedure to repair complex abdominal aortic aneurysms. The stent helps keep blood flowing to vital organs. Researchers will check if the stent stays open and prevents complications over one year. About 165 pe…

This study follows 225 adults who have the Ross procedure, a surgery that replaces a diseased aortic valve with the patient's own pulmonary valve. Researchers will track survival, hospital readmissions, and need for repeat surgeries over 1, 5, and 10 years. The goal is to confirm…

This study tests whether a special heart scan called CT-FFR can help doctors make better decisions about treating blocked arteries before valve replacement surgery. 300 patients with severe aortic stenosis will be randomly assigned to have their treatment guided by either standar…

This study tests a new balloon device used during a minimally invasive heart valve replacement procedure (TAVI) for people with severe aortic stenosis. The main goal is to see if the balloon causes fewer heart rhythm problems, like blockages that might need a pacemaker. About 93 …

This study is testing a device called a valved graft, which replaces both the aortic valve and the ascending aorta in one surgery. It includes 260 people with aortic valve disease, an enlarged aorta, or aortic dissection. The goal is to see how safe and effective the device is by…

This study tests whether genetic testing can help veterans at high risk for heart disease start and stick with statin medications. About 410 veterans aged 40-75 with diabetes or heart disease who are not currently taking statins will receive either a genetic report on their stati…

This study compares two medical devices (Endurant and Excluder stent grafts) used to treat abdominal aortic aneurysms—a bulging blood vessel in the belly that can be life-threatening if it bursts. About 600 people with large aneurysms will be randomly assigned to get one of the t…

This study tests a special stent graft that doctors modify by hand to treat complex aortic aneurysms and dissections in patients who are too high-risk for standard surgery or devices. About 220 participants will be followed for up to 5 years to see if the procedure is safe and ef…

This study compares a new, less invasive heart valve implant (TAVR) with standard medication for people who have severe aortic regurgitation, a condition where the heart's aortic valve doesn't close properly. The trial will enroll 210 participants across multiple centers. The goa…

This study tests a new device called the Siegel TAVR System to replace a narrowed heart valve in people with severe aortic stenosis. About 1,025 participants with symptoms will receive the device. Researchers will track deaths, strokes, and heart-related hospitalizations for one …

This study tests whether adding digital coaching to home-based cardiac rehabilitation helps veterans complete more rehab sessions and improve their heart health. 150 veterans with heart disease will be randomly assigned to standard home rehab or home rehab plus a private social m…

This study is testing a new heart valve device (JenaValve Trilogy) placed through a tube in an artery, without open surgery. It is for 50 adults who have a mechanical heart pump (LVAD) and also a leaky aortic valve that makes the pump work less effectively. The goal is to see if …

This study compares two types of pacemaker settings in people who need a pacemaker after a TAVI procedure (a minimally invasive heart valve replacement). The two methods are 'physiological pacing' (which tries to mimic natural heart activation) and standard 'right ventricular pac…

This study compares a newer, minimally invasive heart-lung machine (MiECC) to the standard machine used during heart surgery. Researchers want to see if the newer machine reduces serious problems like heart attack, stroke, or kidney injury. About 1,300 adults having elective hear…

This study is tracking 150 people who receive a new type of heart valve (SAPIEN 3 Ultra RESILIA) to see how well it works over time. The valve has special features to prevent calcium buildup and improve durability. Researchers will use echocardiograms to measure valve function an…

This study tests a special balloon that uses shockwaves to crack calcium buildup in the iliac arteries, making it possible to deliver large aortic stents. About 40 adults with severe aortic disease and hardened arteries will be enrolled. The goal is to see if this approach is saf…

This study tests a new device called the Zenith Fenestrated+ Endovascular Graft, used with special stents, to repair aortic aneurysms that involve arteries to the kidneys and other organs. About 105 people with large or fast-growing aneurysms will be enrolled. The goal is to see …

This registry is tracking the use of the PERCUTEK Tycheseal stent-graft in up to 200 patients with abdominal aortic aneurysms. The goal is to see how well the device works in everyday practice, focusing on successful deployment, freedom from leaks or rupture, and overall safety. …

This study looks at whether people at moderate risk for heart problems should continue or stop taking aspirin before a colonoscopy. About 2,500 participants will be randomly assigned to take either aspirin or a placebo for a few days around the procedure. The goal is to see which…

This study is tracking 1,000 people who receive Terumo aortic stent grafts to repair aneurysms in the abdomen or chest. Researchers are monitoring how well the devices work and any complications, like death related to the aorta. It is an observational registry, meaning no new tre…

This study compares two procedures for people whose surgically implanted heart valve has worn out: repeat open-heart surgery (rAVR) or a less invasive catheter-based approach (valve-in-valve TAVR). About 890 patients aged 18–75 at low-to-intermediate surgical risk will be randoml…

This study tests whether a newer, less invasive procedure called transcatheter aortic valve replacement (TAVR) using the J-VALVE device is as safe and effective as traditional open-heart surgery for people with severe aortic regurgitation (a leaky heart valve). About 1,250 adults…

This study tests a minimally invasive procedure to treat large aneurysms in the aorta (the main artery) in the chest and belly area. Instead of open surgery, doctors place a fabric-covered metal tube (stent-graft) inside the aneurysm to seal it off. The goal is to see if this app…

This study tests whether using remote monitoring devices after a heart valve procedure (TAVI) allows patients to safely go home the same day instead of staying in the hospital. 216 adults who are eligible for same-day discharge will be randomly assigned to either standard care or…

This study tests a less invasive method to replace a narrowed heart valve in 20 people with severe aortic stenosis. Instead of using X-rays, doctors will guide the procedure using only ultrasound, which may reduce radiation exposure. The goal is to see if this approach is safe an…

This study compares two different stent systems used to repair a weakened area in the main artery (aortic aneurysm). About 126 adults will be randomly assigned to receive either the BeFlared or the VBX stent during a minimally invasive procedure. The goal is to see which device t…

This study looks at whether a special type of pacemaker, called cardiac resynchronization therapy (CRT), can help people with heart failure who develop a heart block after having their aortic valve replaced. The trial will include 360 adults who have a new, persistent heart block…

This study tests a drug called inclisiran in children aged 2 to 12 who have a rare genetic condition that causes extremely high cholesterol. The goal is to see if the drug safely lowers their bad cholesterol compared to a placebo. Participants will receive either inclisiran or pl…

This study looks at whether early surgery to repair or replace the aortic valve is better than waiting until symptoms appear in people with severe aortic regurgitation (a leaky heart valve). About 217 adults with no symptoms but severe valve leakage will be randomly assigned to e…

This study tests a new device called the Fenestrated TREO Stent-Graft to treat abdominal aortic aneurysms (a bulge in the main belly blood vessel). About 20 adults with a specific type of aneurysm will get the device through a small tube in an artery. Researchers will check if th…

This study is testing the RENATUS transcatheter aortic valve in 800 people with severe aortic stenosis, a condition where the heart's aortic valve narrows and makes it hard to pump blood. The valve is implanted through a catheter, avoiding open-heart surgery. Researchers are trac…

This study looks at people with severe aortic stenosis who need a new heart valve (TAVI). Normally, doctors do a coronary angiogram first to check for blocked arteries. But this test can cause kidney damage or bleeding, especially in older patients. The trial will compare the usu…

This study is checking how well a device called the GORE® TAG® Thoracic Branch Endoprosthesis works for people with a thoracic aortic aneurysm, dissection, or injury. About 200 patients in Japan who receive this stent graft will be followed to see if it is safe and effective. The…

This study tests a program called CVD-FIT for African American adults who struggle to afford food and are at risk for heart disease. Participants get monthly income support, weekly incentives to buy healthy food, and phone-based education on heart health. The goal is to see if th…

This study tests whether stent-grafts that surgeons customize for each patient's anatomy can safely treat aortic aneurysms. Thirty adults with aneurysms at risk of rupture will receive a physician-modified graft and be followed for five years. The goal is to see if this personali…

This study tests whether a special method to expand a new heart valve during TAVI can reduce harmful thickening of the valve leaflets. About 620 people with severe aortic stenosis who do not have atrial fibrillation will be randomly assigned to either the optimized expansion meth…

This study tests a new way to replace the aortic valve in people with severe aortic regurgitation (a leaky heart valve). About 180 patients will get either the new VitaFlow valve or another device through a tube in the leg. The goal is to see if the new valve is safe and effectiv…

This study tests a new surgical technique called the 'Y incision' for people with a small aortic annulus (the ring where the heart valve sits) who need aortic valve replacement. The standard methods often limit how large a replacement valve can be placed, which can lead to poor b…

This study compares performing heart surgery on newborns with complex congenital heart disease either before or after 7 days of age. Researchers will track which timing leads to fewer deaths and better recovery. The trial involves 738 babies across multiple hospitals in China.

This study is testing the Navitor heart valve in 1000 people with severe aortic stenosis, a condition where the heart's main valve narrows. Participants receive the valve through a catheter, and researchers track survival and complications for one year. The goal is to see how wel…

This study is testing whether giving air conditioners and a $100 electricity subsidy to older adults in Boston neighborhoods can reduce heat stress, heat strain, and related health problems. One hundred participants aged 55-95 who don't have AC will be randomly assigned to receiv…

This study is testing a special stent-graft device to repair complex aneurysms in the aorta, the body's main artery. The device is inserted through leg arteries, avoiding open surgery. Researchers will track safety, survival, and quality of life in 760 people over time. The goal …

This study tests new plastic tubes (cannulas) used to connect patients to a heart-lung machine during heart surgery. The trial has two parts: first, a small safety check, then a larger comparison with existing tubes. About 80 adults having planned heart surgery will take part to …

This study is testing whether doctors can modify existing stent grafts to treat complex aortic aneurysms in patients who are too high-risk for open surgery and don't qualify for standard devices. The custom grafts are tailored to each patient's anatomy and placed using a minimall…

This study tracks 200 people with complex abdominal aortic aneurysms who receive a custom-made stent graft to reinforce the weakened artery. Researchers measure survival, major complications (like heart attack or stroke), and quality of life using a standard questionnaire. The go…

This registry will follow 150 people in Portugal who receive the Myval heart valve through a minimally invasive procedure called TAVI. The goal is to see how safe and effective the valve is for treating severe aortic stenosis. Researchers will track complications like death, stro…

This study tests whether specially modified endovascular grafts can safely treat juxtarenal aortic aneurysms—a type of bulge in the main belly artery near the kidney arteries. The grafts are either modified by the doctor or made by a company, and are used in patients who have few…

This early study tests a device called the A3-Shield, which is implanted to stabilize the neck of a small abdominal aortic aneurysm. The goal is to see if the implant is safe and can prevent the aneurysm from expanding. Twelve adults with small, symptom-free aneurysms will receiv…

This study tests three custom-made stents for people with complex aortic aneurysms that standard devices can't treat. The goal is to see if these stents reduce deaths, lung problems, and hospital stays. About 410 adults with certain types of aortic aneurysms will take part.

This study tests a new type of stent made from iron that slowly dissolves in the body. It is designed to treat coarctation of the aorta, a condition where the main artery from the heart is narrowed. The study will enroll 10 people aged 1 to 60 to see if the stent is safe and effe…

This study tests whether using a heart-lung machine (ECMO) before a high-risk aortic valve replacement can prevent death, cardiac arrest, or emergency surgery. It includes 30 adults with severe aortic stenosis who are unstable or have complex anatomy. Participants receive ECMO su…

This study is testing a new heart valve replacement system (VitaFlow Liberty) in 122 people with severe aortic stenosis who are too high-risk for open-heart surgery. The goal is to see how safe and effective the valve is over 12 months, focusing on preventing death and disabling …

This study is testing a device called JenaValve Trilogy to replace the aortic valve without open-heart surgery in 75 people with severe aortic regurgitation (a leaky heart valve). Participants are at high risk for surgery. The main goal is to see if the device works safely and st…

This study is testing a new heart valve called the SAPIEN X4 in 200 people whose existing artificial aortic valve is failing. The valve is placed using a thin tube through an artery, avoiding open-heart surgery. The goal is to see if it is safe and effective at improving survival…

This registry tracks 160 high-risk patients with resistant hypertension due to narrowed kidney arteries. All patients undergo a procedure called percutaneous transluminal renal angioplasty (balloon dilation, often with a stent) to open the blockage. Researchers will measure chang…

This study compares two approaches for people aged 65+ with moderate aortic stenosis (a narrowed heart valve): either getting a new valve placed through a thin tube (TAVR) or just having regular check-ups. The goal is to see if early treatment prevents death or heart failure bett…

This study is testing a minimally invasive procedure using special stent-grafts to treat complex aortic aneurysms in the chest and abdomen. The procedure is designed for patients who are at high risk for traditional open surgery. Researchers will track how well the stents work an…

This study looks at whether specially modified stent grafts can safely treat complex aortic aneurysms (bulges in the main blood vessel) in people who are too high-risk for traditional open surgery. Researchers will track 50 patients to see how many have serious complications like…

This study tests whether bempedoic acid, a cholesterol-lowering drug, can reduce artery inflammation and improve heart health in people with HIV. About 121 adults aged 40 and older with well-controlled HIV and at least one heart disease risk factor will receive either the drug or…

This early study tests a new device called the Cygnum ASMD, which is placed inside the aneurysm during standard repair surgery. The goal is to see if it is safe and can prevent type II endoleaks—small leaks that can cause the aneurysm to grow again. Fifteen adults with large abdo…

This study tracks 70 people receiving the NEXUS aortic arch stent graft, a device placed inside the aorta to treat aneurysms (bulging weak spots). Researchers will monitor safety, device failures, and survival for up to 5 years. The goal is to see how well the stent works in rout…

This study is testing a new CT-based sizing algorithm (the ABC Bicuspid Sizing Algorithm) to help doctors choose the right valve size and procedure for people with bicuspid aortic stenosis who need a transcatheter aortic valve replacement (TAVR). About 290 participants will have …

This study tests a new device called the Encompass F2, which is designed to catch debris that might travel to the brain during a common heart valve replacement procedure (TAVR). The goal is to see if it reduces the risk of stroke and brain damage compared to standard care. About …

This study is for babies, infants, and small children who have narrowed arteries in or near the heart. Doctors will use a special tiny stent to open the blockage and improve blood flow. The goal is to see how well the stent works and to track any side effects in everyday medical …

This study is testing whether custom-made or physician-modified stent grafts can safely repair complex aortic aneurysms in people who cannot use standard devices or undergo open surgery. The grafts are tailored to each patient's anatomy, with small holes to keep blood flowing to …

This study tests a program called Transition to Cardiac Rehabilitation (T2CR) for Veterans with heart disease who also have other health problems or frailty. The program starts in the hospital and continues at home, helping patients build skills and motivation to do cardiac rehab…

This study tests a new device called the NEXUS aortic arch stent graft system in 110 adults with serious conditions like aortic dissection or aneurysm affecting the aortic arch. The goal is to see if it is safe and effective at repairing the damaged area without major complicatio…

This study tests whether using one stitch device (Perclose) is as safe and effective as using two to close the leg artery after a minimally invasive heart valve replacement (TAVR) in people with severe aortic stenosis. About 876 participants will be randomly assigned to one of th…

This study tests a new surgical technique called B-SAFER for people with complex aortic disease affecting multiple segments of the aorta. The procedure combines open surgery with a modified stent graft to repair the aortic arch and descending aorta in one operation. Researchers a…

This clinical trial is testing two different surgical methods to repair a bicuspid aortic valve, a common heart defect where the valve has two flaps instead of three. The study will enroll 100 people with this condition who also have a leaky valve (aortic regurgitation). Half wil…

This study tests whether using a slightly smaller artificial heart valve (downsizing) works better than the standard method for people with a bicuspid aortic valve—a heart valve with only two flaps instead of three. About 206 adults with severe narrowing of this valve will be ran…

This study compares two approaches for people with severe aortic stenosis who have no symptoms: early valve replacement (surgery or TAVI) versus watchful waiting. About 2,844 participants will be followed for at least 3 years to see which strategy reduces heart-related death and …

This study tests whether cooling patients to 32°C (mild) or 26°C (moderate) during aortic arch surgery better protects the brain and kidneys. 282 adults having planned aortic hemiarch surgery will be randomly assigned to one temperature. The goal is to see which temperature reduc…

This early study tests a new device called GEMINUS, which replaces a narrowed heart valve without open-heart surgery. It involves 30 people with severe aortic stenosis. The goal is to see if the procedure is safe and feasible, with follow-up for up to 5 years.

This early-stage trial tests whether nicotinamide riboside (a form of vitamin B3) can improve blood flow and brain function in people with smooth muscle dysfunction syndrome (SMDS), a rare genetic condition that narrows arteries and can cause strokes. Fifteen participants will ta…

This early-stage trial is testing a new procedure called BAO-G for people with complex aortic aneurysms (bulging of the main artery in the chest and abdomen). The technique uses off-the-shelf stent grafts to rebuild the artery's branches from inside the blood vessel, avoiding maj…

This study investigates whether using a lower dose of iodine contrast dye in CT scans can still produce high-quality images needed to plan a heart valve replacement procedure (TAVR). Normally, 100 ml of contrast is used, but reducing the dose may help avoid kidney injury and save…

This study tests whether artificial intelligence can analyze standard ultrasound images of the heart to measure calcium buildup on the aortic valve. If accurate, this could help doctors diagnose severe aortic stenosis without the extra cost and radiation of a CT scan. The study w…

This study explores whether a smartphone can detect aortic valve stenosis, a serious heart condition, by recording heart sounds and chest vibrations. Researchers will compare smartphone data with standard echocardiograms in 500 patients. If accurate, this could lead to a simple, …

This study tests whether a quick blood test (CT-ADP) can help doctors detect and fix leaks around a new heart valve during a minimally invasive TAVI procedure. Currently, doctors often use general anesthesia and an ultrasound probe in the throat to check for leaks, but this study…

This study is testing whether an artificial intelligence (AI) program can detect aortic stenosis—a narrowing of the heart's main valve—from a standard electrocardiogram (ECG). Researchers will compare the AI's results with traditional diagnosis in 5,000 adults. If successful, thi…

This study tests whether a portable electronic stethoscope, combined with machine learning, can accurately detect valvular heart disease. About 125 people with and without the condition will use the device and also receive standard heart tests. Researchers will compare the device…

This study explores whether kinocardiography (KCG), a portable device that measures chest vibrations from heartbeats, can diagnose aortic valve disease and thoracic aortic aneurysm. Researchers will compare KCG readings with standard imaging in 180 adults, including those with an…

This study tests whether wearing a portable ECG monitor for 30 days after a heart valve replacement (TAVI) can detect dangerous heart rhythm problems better than the usual 1-2 days of hospital monitoring. 250 patients will be randomly assigned to either the extended monitoring gr…

This study tests an artificial intelligence software called Aorta AIM that automatically measures the size of the aorta from CT scans. The aorta can enlarge over time, leading to serious health problems, and accurate measurement is key for monitoring. Researchers will compare the…

This study is testing whether a small implantable heart monitor (Reveal LINQ) can detect serious heart block in people who develop a new electrical problem (left bundle branch block) after having their aortic valve replaced (TAVI). About 80 participants will get the monitor and b…

This study tests whether an artificial intelligence (AI) tool can diagnose aortic regurgitation—a leaky heart valve—more accurately than standard manual methods. About 540 adults with confirmed aortic regurgitation will be randomly assigned to either AI-assisted or traditional di…

This study is testing a special mattress that can measure heart rate, breathing, temperature, and body position without touching the patient. It is designed for people with heart disease who are in the hospital. The goal is to see if this wireless system works as well as standard…

This study at Mayo Clinic is testing whether artificial intelligence can help standard electrocardiograms (ECGs) detect two common heart valve problems: aortic stenosis and diastolic dysfunction. Researchers will enroll 2000 adults aged 60 and older who are already scheduled for …

This study compares two heart imaging methods—echocardiography (ultrasound) and cardiac MRI—to see which measures heart valve disease more accurately. Researchers will enroll 200 adults with suspected moderate or severe valve problems. The goal is to improve how doctors assess va…

This pilot study is testing whether it's practical to add an abdominal CT scan to the standard lung cancer screening for people aged 55-70 who have smoked. The goal is to see if this extra scan can detect kidney cancer, abdominal aortic aneurysms, and kidney stones without slowin…

This study tests a new way to screen for abdominal aortic aneurysm (AAA), a dangerous bulge in the main belly artery that can be fatal if it bursts. Currently, patients must visit a radiologist for an ultrasound, but many don't go. Researchers are training general practitioners (…

This study tests an artificial intelligence (AI) tool to help doctors accurately diagnose severe low-gradient aortic stenosis, a heart valve condition that can be hard to identify. About 300 adults with suspected disease will have their standard echocardiograms analyzed by the AI…

This study checks if a quick, non-invasive finger test (QuantaFlo HD) can detect early signs of heart dysfunction. Researchers will compare the finger test results with standard heart ultrasound measurements in 600 adults who have risk factors like high blood pressure or diabetes…

This study tests a drug called BX-001N to see if it can prevent acute kidney injury in people having heart surgery. About 40 adults will receive either a low dose, high dose, or a placebo. The goal is to see if the drug can keep kidneys working well after surgery.

This study tests whether adding metal coils to the aneurysm sac during standard endovascular repair (EVAR) can prevent type II endoleaks—a common complication where blood flows backward into the aneurysm. About 100 high-risk patients will be randomly assigned to receive EVAR alon…

This early-phase study tests whether placing amiodarone directly into the sac around the heart during open-chest surgery can prevent a common and serious irregular heartbeat called atrial fibrillation. About 63 adults aged 20-85 having bypass or valve surgery will receive this tr…

This study tests whether giving fish oil through a vein during heart surgery can prevent a common complication called atrial fibrillation (irregular heartbeat) and help patients recover faster. About 550 high-risk adults having elective heart surgery will receive either fish oil …

This study tests whether a nerve block (rectus sheath block) can control pain after open abdominal aortic aneurysm repair as well as the standard epidural analgesia, but with fewer complications. About 60 adults undergoing elective surgery will be randomly assigned to one of the …

This study tests a new guidance system called LumiGuide that uses light instead of X-rays during a complex aortic aneurysm repair procedure (FEVAR). The goal is to see if it reduces the time patients and doctors are exposed to radiation. About 182 adults needing this surgery will…

This study tests whether myofascial release, a gentle hands-on therapy, can help people recover after heart surgery that splits the breastbone. Fifty adults with heart disease will receive either standard physical therapy or standard therapy plus seven daily sessions of myofascia…

This study compares opioid-free anesthesia to standard opioid-based anesthesia in 40 adults undergoing open abdominal aortic aneurysm repair. The goal is to see if avoiding opioids reduces the body's stress response and inflammation during and after surgery. Researchers will meas…

This study tests a smartphone app designed to help people prepare for heart surgery through exercise, nutrition tips, and telehealth check-ins. About 40 adults awaiting surgery will either use the app or receive standard care. Researchers want to see if the app is easy to use, ac…

This study tests two different stitch materials (PDS and Vicryl) for closing groin incisions after planned vascular surgery. About 259 adults will be randomly assigned to one stitch type or the other. The goal is to see which material leads to fewer wound problems.

This study tests whether a daily movement program led by a kinesiologist can reduce frailty in 60 hospitalized heart patients. Frailty makes people weaker and more likely to have longer hospital stays or be readmitted. The program encourages simple activities like standing, walki…

This study compares two sedation approaches during a minimally invasive heart valve replacement (TAVI) in 80 elderly patients. One group receives dexmedetomidine, a sedative that may cause less breathing depression, while the other gets standard propofol-remifentanil. Researchers…

This study tests whether the type of sedation given during a minimally invasive heart valve replacement (TAVR) affects how well patients recover the next day. 126 adults will be randomly assigned to receive propofol, dexmedetomidine, or midazolam with fentanyl during their proced…

This study tests whether keeping a special chest tube in place for up to 3 days after heart surgery can lower the chance of developing a fast, irregular heartbeat called atrial fibrillation. About 624 adults having routine heart surgery will be randomly assigned to get the tube p…

This study tests whether applying mild electrical stimulation to specific acupoints before anesthesia can help maintain stable blood pressure during TAVR heart valve surgery. Researchers will compare two different stimulation frequencies in 150 adults aged 60 and older. The goal …

This study tests whether adding a program that targets sleep and stress (called RESST) to standard cardiac rehabilitation helps heart patients recover better. About 200 adults with heart conditions who also have poor sleep or high stress will take part. Researchers will measure s…

This study tests whether combining virtual reality with pleasant smells can lower pain and anxiety in people recovering from heart or lung surgery. About 80 adults scheduled for cardiothoracic surgery will either receive the VR-and-scent therapy or standard care. The goal is to s…

This study tests a web-based app called IAMABLE that provides evidence-based rehabilitation strategies for people with chronic conditions like heart disease, arthritis, or neurological disorders. Fifty adults aged 45 to 75 will use the app for 4 months to set goals and learn abou…

This study tests whether giving iron infusions after a minimally invasive heart valve replacement (TAVI) helps patients with aortic stenosis and iron deficiency feel better and walk farther. About 402 older adults will be randomly assigned to receive iron or standard care. Resear…

This study tests a special shockwave balloon (intravascular lithotripsy) to safely widen heavily calcified arteries in the pelvis, allowing a less invasive heart valve replacement (TAVR) in patients who otherwise would need a more risky approach. About 50 adults with severe aorti…

This study tests whether a type of talk therapy called Behavioral Activation, delivered via home-based telehealth, can improve social functioning and mood in veterans recently discharged from the hospital for a heart condition. About 132 veterans with depression will receive eith…

This study looks at two different nerve-block techniques to manage pain during a minimally invasive heart valve replacement called TAVI. About 60 adults having TAVI will receive either a pericapsular nerve group block, a fascia iliaca block, or local anesthesia. The goal is to se…

This study compares a women-only cardiac rehabilitation program to the standard mixed-gender program for women with heart disease. Sixty women aged 40-80 will attend 36 sessions over 12 weeks, with extra women-focused education. Researchers will measure attendance, completion rat…

This study is testing whether a low dose of ketamine can reduce the amount of strong painkillers (opioids) needed and improve pain control in people recovering from thoracic endovascular aortic repair (TEVAR). About 30 adults scheduled for this surgery will receive either ketamin…

This study tests whether using shockwave therapy on the leg artery before a TAVR heart valve procedure can reduce bleeding and other complications. It involves 100 adults with severe aortic stenosis and heavily calcified arteries. The goal is to make the procedure safer by prepar…

This study tests a program called One-Mind One-Heart that combines mindfulness and behavior change skills to help older adults with HIV reduce stress and improve heart health. The program includes text messages and covers topics like physical activity, diet, and substance use. Th…

This study tests whether giving high-flow oxygen through special nasal prongs during a less-invasive heart valve replacement (TAVR) can prevent low oxygen levels and breathing complications. About 452 older adults undergoing TAVR under sedation will be randomly assigned to receiv…

This study tests whether a standardized, step-by-step protocol for giving blood thinner injections (low-molecular-weight heparin) can reduce bruising and pain in heart patients. About 180 patients in cardiac care units will be randomly assigned to receive injections either by the…

This study compares two methods of pain control for people having open abdominal surgery. One group gets a single injection of a long-lasting numbing medicine into the belly muscles during surgery. The other group gets a standard numbing medicine through small tubes placed in the…

This registry study will enroll 200,000 high-risk cardiac patients to see how well an AI platform called Willem can detect heart problems from standard ECGs. The AI's readings will be compared to expert cardiologist diagnoses, but the AI results won't be shared with doctors, so p…

This study looks at 20 adults with COL5A gene mutations to find out why some get aortic aneurysms (a bulge in the main artery) and others don't. Researchers will take a small skin sample and study the cells to see differences in how they build and organize tissue. The goal is to …

This study aims to learn more about how diseases related to blood clots, the immune system, and blood vessels start and change over time. Researchers will enroll up to 1,000 people aged 5 and older, including those with these conditions, their healthy relatives, and healthy volun…

This study compares different types of heart valve prostheses used to treat severe aortic stenosis in people with a small aortic annulus. Researchers will test the valves in the lab and then in patients using echocardiograms and a special MRI scan that measures blood flow. The go…

This study aims to learn more about heart and blood vessel diseases by observing people who have them or are at risk. Researchers will collect samples and perform tests like imaging and stress tests on up to 5,000 participants, including healthy volunteers and relatives of affect…

This study asks 30 staff and students at the University of Nottingham to review draft recruitment materials for a future study on thoracic aortic disease. Participants will give feedback on how clear, easy to read, and appropriate the documents are. The goal is to improve these m…

This study tracks 98 people with peripheral artery disease who had a stent placed in their iliac artery. Researchers want to see which patients later develop serious limb complications, like needing another procedure or amputation. They will also check if frailty plays a role. Th…

This study investigates why some people with moderate aortic valve stenosis get worse while others remain stable. Researchers will analyze immune system markers and detailed heart images from about 938 participants to find patterns that predict disease progression. The goal is to…

This study creates a large database of about 12,000 people with and without heart disease. Researchers collect medical information and blood samples to analyze factors that influence heart conditions like coronary artery disease, heart failure, and stroke. The goal is to better u…

This study is creating a large database of information from 10,000 adults undergoing heart surgery. Researchers will collect detailed data before, during, and after surgery to identify factors that affect recovery and complications. The goal is to improve risk prediction, persona…

This study follows 3,450 patients with aortic valve narrowing (aortic stenosis) to better understand their long-term outlook. Researchers will look at ultrasound measurements and other factors to find what predicts how the disease progresses. The goal is to improve how doctors as…

This study looks at medical records of 1,000 older heart patients in Russia to see if they were prescribed potentially harmful medications during the COVID-19 pandemic. Researchers will use a medical database to count how often these risky prescriptions happened and check for dan…

This study is creating a large collection of blood, urine, stool, and heart tissue samples from 10,000 people with and without heart or metabolic conditions. The goal is to store these samples along with medical information to speed up future research into what causes these disea…

This study is testing whether simple nutritional checks before heart surgery can predict how well patients recover. Researchers will give 250 patients questionnaires, blood and urine tests, and measure grip strength and body composition. They will then see if these measures are l…

This study is collecting medical data and biological samples from people with genetic conditions affecting the heart and blood vessels, their relatives, and healthy volunteers. The goal is to better understand these diseases, improve diagnosis, and lay the groundwork for future t…

This study is tracking 500 people who receive the INSPIRIS RESILIA aortic valve during surgery. Researchers will measure how well the valve works by checking blood flow and leakage over time. The goal is to see how the valve performs in everyday medical practice.

This study is looking at whether a simple exercise test and other health factors can predict how well people recover after a procedure called TAVI, which replaces a narrowed heart valve. Researchers will follow 161 patients with severe aortic stenosis to see which factors before …

This study follows 232 people with a bicuspid aortic valve (a heart valve with two flaps instead of three) over 10 years. Researchers want to learn how the condition naturally progresses and what factors lead to serious problems like valve disease or bulging of the aorta. Partici…

This study gathers medical images and health data from 5000 people who had TEVAR (a type of aorta surgery) to create computer models called digital twins. These models simulate the surgery to help doctors choose the best device and predict problems. The goal is to make planning m…

This study looks at whether people with type 2 diabetes, COPD, or heart disease who join a health program in Halsnaes Municipality improve their physical function and well-being. About 194 adults will be tracked before and after the program using tests and questionnaires. The goa…

This study is looking at whether a blood test called NT-proBNP can help predict serious problems like heart attacks or death in people having vascular surgery. Researchers will measure this marker before and after surgery in 200 patients. The goal is to see if the test can identi…

This study looks at whether inflammation after a minimally invasive heart valve replacement (TAVI) can cause dangerous heart rhythm problems. Researchers will use a special PET scan to measure inflammation in the heart's electrical pathways. The goal is to better predict which pa…

This study tracks 300 adults with aortic disease to measure how their condition impacts quality of life, fatigue, mental health, and ability to work. Researchers will use questionnaires over 12 months to gather data. The goal is to better understand these challenges and help desi…

This study is collecting information from 600 patients across Europe who receive custom-made stent-grafts from Cook to treat complex aortic aneurysms or chronic aortic dissections. The goal is to see how well these devices work in everyday medical practice and to track any major …

This study observes 1000 people with severe aortic stenosis and kidney disease who are getting a TAVI procedure. Researchers want to see how removing the blocked valve affects the kidneys' response to contrast dye used during the procedure. The goal is to understand if TAVI lower…

This study follows 300 people who had hospital-acquired pneumonia to see how it affects their heart and lungs over 18 months. Researchers will take blood samples, swabs, and perform heart and lung tests to understand the link between pneumonia and later cardiovascular problems li…

This study looks at 600 people getting a new heart valve through a tube in the leg (TAVI). Doctors want to know if using a second tube in the arm (radial artery) instead of the groin (femoral artery) causes fewer bleeding or blood vessel problems. The goal is to find the safest w…

This study is testing a comprehensive MRI scan to see if it can better diagnose different heart conditions. Researchers will scan 2,000 adults with suspected or confirmed heart disease. The goal is to create a standard imaging method that improves early detection and risk predict…

This study is examining heart valve tissue from 100 people undergoing surgery for aortic stenosis to see how often ATTR amyloid deposits are present. Researchers will use mass spectrometry to identify the type of amyloid. The goal is to better understand the link between amyloido…

This study examines bacteria living on heart valves in 200 patients having aortic valve surgery. Researchers want to see if these bacteria are linked to serious complications after surgery, like stroke or infection. The goal is to better understand how oral health and heart disea…

This study will follow 300 people with aortic stenosis who are scheduled for a TAVI procedure to replace their heart valve. Researchers will use heart scans, blood tests, and checkups to measure how the heart's condition changes over time. The goal is to better understand short- …

This study is collecting blood samples and quality-of-life questionnaires from 125 people with aortic stenosis, a heart valve condition. Researchers want to find biological markers (biomarkers) that could signal inflammation or scarring in the heart before symptoms appear. The go…

This study follows 60 kidney transplant recipients in Denmark to find out how often blood vessel problems cause poor kidney function or hard-to-treat high blood pressure. Participants will get special imaging tests, and if a narrowed artery is found, they may receive balloon trea…

This study is looking at whether a blood test measuring DNA methylation can predict the risk of silent brain injury in elderly patients undergoing TAVR, a minimally invasive heart valve replacement. About 542 people over age 70 with severe aortic stenosis will have their DNA test…

This study is testing a new imaging drug called 64Cu-DOTA-ECL1i to see if it can show inflammation in the wall of the aorta in people with abdominal aortic aneurysms. About 30 adults with aneurysms and some without will get a PET/CT scan after receiving the drug. The goal is to u…

This study looks at why some replacement heart valves (TAVI) may wear out faster than others. Researchers will use special PET-CT scans to detect early signs of valve damage in 180 people who had TAVI about five years ago. They want to see if small blood clots on the valve or the…

This study is a registry that collects information from routine care to see how well minimally invasive heart valve procedures work over 5 years. It includes adults over 18 who have had a transcatheter aortic valve replacement or similar treatment. No new treatments are given; th…

This study is testing whether artificial intelligence can predict if someone will develop one of five common diseases: diabetes, heart disease, breast cancer, back pain, or arthritis. Researchers will collect health data from 1,000 adults aged 30 to 60, including medical records,…

This study tests whether using the wrist (radial artery) instead of the groin (femoral artery) as a second access point during a minimally invasive heart valve replacement (TAVI) reduces bleeding and other complications. About 542 patients will be randomly assigned to one of the …

This study follows 320 people with small-to-moderate thoracic aortic aneurysms for up to 5 years. Researchers will track major complications like rupture or need for surgery, and look for factors such as high blood pressure or sleep problems that might speed up aneurysm growth. T…

This study follows 125 adults undergoing open surgery for complex abdominal aortic aneurysms to see how their quality of life changes over a year. Participants fill out a health survey at five points: before surgery, at discharge, and at 1, 6, and 12 months after. The goal is to …

This study tests whether a structured shared decision-making process helps patients with severe aortic stenosis choose between two valve replacement options: TAVR (less invasive) and SAVR (surgery). 140 patients aged 70+ will be randomly assigned to either the structured approach…

This study uses advanced heart MRI to see how bariatric surgery and cardiac rehabilitation change the heart's structure and function. Researchers will scan 150 adults before and 6-12 months after these metabolic treatments. The goal is to understand how the heart adapts to these …

This study looks at 82 people with severe aortic stenosis who need open-heart surgery to replace their aortic valve. Before surgery, each person gets a CT scan to measure the valve. During surgery, doctors also measure the valve with special tools. The goal is to see which method…

This study looks at two ways to check for blocked heart arteries in people with severe aortic stenosis who are getting a new heart valve (TAVI). One method is the usual invasive X-ray test; the other uses non-invasive risk management. The goal is to see which approach leads to be…

This study will use a new type of cardiac MRI to look at the heart's microscopic structure in 1,000 people—both healthy volunteers and those with various heart conditions. The goal is to see if this advanced imaging can detect early signs of heart damage better than standard test…

This study watches how blood clotting changes in 58 people after complex surgery to repair a thoraco-abdominal aortic aneurysm. Researchers will check for complications like kidney injury, heart problems, and clotting issues before and after surgery. The goal is to better underst…

This early study looks at whether a non-invasive test called impedance cardiography (the HYPERGRAPH test) can detect early signs of heart failure in people with aortic stenosis, a condition where the heart's main valve narrows. Researchers will compare the test results with heart…

This study aims to develop and test new MRI methods for imaging the heart and blood vessels to improve diagnosis and management of heart disease. It will enroll up to 3,400 adults, including both patients with heart conditions and healthy volunteers. Participants will undergo MRI…

This study is building a huge database of up to 800,000 Korean patients with heart or brain vascular disease. By tracking their health over many years, researchers hope to understand the unique patterns and risk factors in this population. The goal is to create a platform that ca…

This study is creating a large biobank of blood, DNA, plasma, and tissue samples from 15,000 people with and without heart and aortic diseases. Researchers will use this information to better understand conditions like aortic aneurysm, heart failure, and bicuspid aortic valve. Th…

This study looks at whether having obstructive sleep apnea (OSA) might help protect the body from damage during surgery to fix a large blood vessel (aortic aneurysm). The idea is that the short, repeated drops in oxygen from sleep apnea might train the body to handle the stress o…

This study aims to develop better MRI methods for imaging the heart and brain, and to describe heart diseases using these new techniques. It will also investigate whether gadolinium, a common MRI contrast agent, stays in the body long after use. Up to 5,000 healthy volunteers and…

This study will use advanced heart MRI scans on up to 100,000 people with known or suspected heart disease. The goal is to learn how these scans can help doctors better understand, diagnose, and treat different heart conditions. Researchers will track participants' health over ti…

This study looks at whether filtering out blue light at night in hospital rooms can reduce inflammation, protect thinking skills, and improve mood and sleep in 80 adults having elective heart surgery. Participants will be randomly assigned to wear blue-blocking glasses or regular…

This study looks at people getting a new heart valve (TAVR) for a narrowed aortic valve. It compares two ways of placing the valve: one carefully aligned and one random. The goal is to see if the random method still allows doctors to easily reach the heart arteries later if neede…

This study follows 2500 people who had a TAVR procedure to replace a narrowed heart valve. Researchers will track bleeding and clotting events over time to see how different blood-thinner medicines affect risk. The goal is to find the best treatment plan for each patient based on…

This study tests whether artificial intelligence (AI) can help cardiologists read echocardiograms (heart ultrasounds) more quickly and consistently. Researchers will give AI analysis to doctors in real time as they review heart images from 50 participants with valve disease. The …

This pilot study is testing a new device called HemoCept that measures blood volume and heart efficiency during trans-aortic valve replacement (TAVR) surgery for aortic stenosis. The study will enroll 20 adults aged 18-80 who need TAVR. Researchers want to see if the device's rea…

This study watches 150 adults with heart valve problems who are getting a procedure (TAVI or M-TEER) to see if it helps their sleep-disordered breathing. Participants take a sleep test before the procedure and again 6 months later. The goal is to learn how fixing heart valves mig…

This study creates a large collection of blood, tissue, and medical information from up to 5,000 people with or at risk for pediatric heart disease. Researchers will use these samples to better understand the disease and find new ways to diagnose or treat it in the future. Partic…

This registry is tracking 1,350 people with severe low flow, low gradient aortic stenosis who are getting a TAVR procedure. Researchers are collecting data on risks, complications, and survival for up to 5 years. The goal is to better understand who does well with this treatment …

This pilot study looks at whether placing stents in narrowed arteries in the lower belly or pelvis can help lower blood pressure. About 20 adults with chronic blockages in these arteries will have their blood pressure measured before and 12 months after the procedure. The goal is…

This study compares two self-expanding heart valves used in a procedure called TAVR, which replaces a narrowed aortic valve without open-heart surgery. Researchers will look at how well each valve works one month and six months after the procedure in about 419 patients. The goal …

This study is testing a tool called B-COMPASS that uses a 22-question survey to predict whether people will follow their prescribed treatments. Researchers will enroll 3100 adults with cardiovascular, endocrine, immune, nerve, cancer, or rare diseases across Europe. The goal is t…

This study is testing a gel called PuraBond that helps stop bleeding during open surgery on the main artery in the belly. About 100 adults with an enlarged or blocked abdominal aorta will take part. The goal is to see how quickly the gel controls bleeding after the artery is uncl…

This study is testing whether giving probiotics after heart surgery can improve recovery by changing the bacteria in the gut. Researchers will measure certain chemicals in the blood that come from gut bacteria. The trial involves 30 adults scheduled for heart surgery, who will re…

This study enrolls women aged 50 and older to measure the size of their abdominal aorta using ultrasound. Researchers will also collect health history and look for risk factors that may be unique to women. The goal is to better understand and detect aortic disease in women. No tr…

This study compares two methods—ultrasound (echocardiography) versus direct pressure measurements (catheterization)—to guide additional balloon inflation after valve-in-valve TAVR. About 310 people with failing surgical aortic valves will be randomly assigned to one method. The g…

This early-phase study tests a new radioactive tracer called [64Cu]-RYM2 to see if it can safely and accurately detect enzyme activity in abdominal aortic aneurysms (AAA). Researchers will scan 28 people—some healthy volunteers and some AAA patients scheduled for surgery—to measu…

This study follows 200 adults who have had or will have a procedure to fix a leaky or narrowed valve in the right side of the heart. Researchers track survival, unplanned hospital stays, and heart function using blood tests and ultrasound. The goal is to learn which treatments wo…

This study is re-examining 1,400 adults in Stockholm to find early signs and risk factors for heart, lung, and liver diseases. Participants will get advanced scans, blood tests, and questionnaires. The goal is to better understand how these diseases develop and how to predict the…

This study collects blood samples from 1500 adults at risk for heart disease to discover new biomarkers that can predict future heart attacks, strokes, or blocked leg arteries. Participants are seen at a specialized prevention center and provide samples and health data at the sta…

This study watches which guidewires doctors use during a minimally invasive heart valve replacement (TAVI) and checks if a newer wire, the Savvywire, works better. About 300 people aged 50 or older getting TAVI through the groin will take part. Researchers will collect data from …

This study looks at tissue removed from patients with enlarged aortas (aneurysms) during surgery. Researchers want to measure how strong the tissue is and see if that relates to the size or thickness of the aorta. The goal is to better understand what makes an aneurysm likely to …

This study tests whether a single PET tracer (FDG) can measure both blood flow and sugar use in the heart, instead of needing two separate tracers. Researchers will compare results from FDG with a dedicated flow tracer in 60 healthy adults and people with heart disease. The goal …

This study is testing a new way to use MRI scans to measure how well the heart's main pumping chamber works in people with severe aortic stenosis who are scheduled for valve replacement. Researchers will develop computer models to automatically analyze heart images and compare th…

This study aims to find the genetic causes of bicuspid aortic valve (BAV), a common heart defect where the valve has two flaps instead of three. Researchers will collect blood samples from 700 people with BAV and their family members to compare DNA. The goal is to identify gene c…

This study explores whether 3D printed models of a patient's own diseased aorta can help surgeons plan aneurysm surgery more effectively. Ten adults with thoracic or abdominal aortic aneurysms who are scheduled for non-emergency surgery will have their CT scans turned into physic…

This study tests a program called Heart-to-Heart, where community health workers help low-income patients make informed choices about cardiac rehab after a heart event. About 50 adults from Johns Hopkins Hospital will take part. The goal is to see if the program is practical and …

This study is collecting information from 150 people who need open surgery for complex aortic aneurysms (a bulge in the main artery). The goal is to see how their quality of life changes after the operation. Researchers will use surveys to measure physical and mental well-being o…

This study is looking at how well the Mosaic mitral heart valve works over time in people under 65. Researchers will review medical records of 300 patients who had this valve placed at ProMedica Toledo Hospital. The goal is to understand survival rates, valve stability, and the n…

This study will use cardiac MRI to track changes in heart structure and function in 40 patients who have had endovascular repair for aortic disease. Researchers will compare heart measurements taken before surgery and again at 6 and 12 months afterward. The goal is to understand …

This observational study aims to better understand the mechanical properties of the aortic wall in patients with aortic aneurysms or dissection. Researchers will measure tissue strength from samples taken during surgery and compare them to samples from patients without aortic dis…

This study will enroll 5,000 adults with chronic heart conditions like heart failure, high blood pressure, or aortic stenosis. Participants will wear a Prolaio digital health patch that monitors heart rate, breathing, and other vital signs. The goal is to observe how these condit…

This study is reviewing medical records from 5,000 heart and blood vessel surgery patients to find factors that influence recovery and survival. Researchers are looking at data from 2001 to 2013 to identify what leads to complications or death after surgery. The goal is to improv…

This observational study aims to understand how lifestyle, stress, mental health, and other factors affect people with genetic aortic aneurysms. Researchers will survey 208 participants about their diagnosis journey, quality of life, and well-being. No treatments or drugs are bei…

This study will follow 60 adults with a bicuspid aortic valve (a heart valve with two flaps instead of three) for five years. Each year, participants will get a special 4D CT scan to take detailed measurements of the valve's shape and movement. The goal is to learn more about how…

This study looks at whether a special heart ultrasound measurement, called global longitudinal strain (GLS), can predict if a person will have trouble coming off the heart-lung machine during heart surgery. About 213 adults having planned heart surgery will have their hearts meas…

This study follows 2000 people who have or will receive a GORE EXCLUDER stent-graft to repair an abdominal aortic aneurysm (AAA). Researchers will track device safety and performance over 10 years, checking for complications like leaks, movement, or kidney problems. The goal is t…

This study aims to understand why people with tetralogy of Fallot and other congenital heart diseases experience shortness of breath, palpitations, and changes in heart structure. Researchers will use remote heart rhythm monitors and imaging to track 300 participants over two yea…

This study is gathering 5,000 people with certain gene changes that raise the risk of aortic disease (like aneurysms or dissections). Researchers will track their health over time to see how these genes affect the condition. The goal is to better predict and manage the disease, n…

This study collects small heart tissue samples from 400 adults undergoing heart procedures. Researchers will analyze these samples to find new markers that could help diagnose heart diseases earlier and better understand how the heart works in health and disease. The goal is to i…

This study looks at whether measuring a substance called presepsin in the blood during and after aorta surgery can help doctors decide when to use antibiotics. About 50 adults having surgery for a thoracic aortic aneurysm or dissection will take part. The goal is to see if presep…

This observational study is testing whether a noninvasive finger imaging device can detect and evaluate two types of heart valve disease: aortic regurgitation and aortic stenosis. Researchers will record arterial waveforms from participants' fingers and see if the patterns can di…

This study collects tissue samples from 1,000 people with various forms of vasculitis, a group of rare inflammatory blood vessel diseases. Researchers will analyze the samples alongside clinical data to identify genes that increase risk and to spark new ideas for diagnosis and tr…

This study uses a special eye scan called OCTA to measure the density of tiny blood vessels in the retina. Researchers will compare results from 64 people—half with cardiovascular disease and half healthy—to see if the scan can reliably detect vessel changes linked to heart probl…

This study is testing whether adding genetic and imaging information to standard risk assessments can better predict heart disease in 30,000 healthy Italian adults aged 40-80. Participants will have their risk calculated using traditional methods and then again with the added dat…

This study is testing a virtual patient navigation program for 260 English, Chinese, or Spanish speakers with breast cancer or heart disease. The goal is to see if a phone-based portal can help underserved people get the support they need, even though it won't fully replace in-pe…

This study is developing a decision tool to help doctors identify blunt trauma patients who can safely skip abdominal-pelvic CT scans, avoiding unnecessary radiation and expense. Researchers will collect data from 12,000 patients in the emergency department to find a set of clini…

This study looks at whether replacing a narrowed heart valve (TAVI) can reverse damage to the heart muscle in people with severe aortic stenosis. Researchers will use special PET scans to measure scarring and remodeling in the heart before and 6 months after the procedure. The go…

This study looks at how scar tissue (fibrosis) forms in the heart in conditions like aortic stenosis, heart damage from chemotherapy, and carcinoid syndrome. Researchers will use special PET scans to see active scarring early. About 180 adults will take part to help improve detec…

This study uses exercise MRI to see how the aorta behaves during exercise in people with aortic aneurysm. Researchers will compare these images with tissue samples from surgery. The goal is to help doctors and patients understand safe exercise limits. The study enrolls 35 partici…

This study aims to find biological differences between men and women with heart valve disease using advanced MRI techniques. Researchers will enroll 200 adults with moderate to severe aortic or mitral valve problems. The goal is to better predict how the heart recovers after valv…

This study is a large registry that will follow 10,000 people who have had a procedure called TAVR to replace a faulty heart valve. The goal is to see how patients do over the long term in everyday medical practice. No new treatment is being tested; instead, researchers are colle…

This study tests a new imaging tracer called 11C-Martinostat that lights up a specific enzyme (histone deacetylase) in the heart during a PET-MRI scan. Researchers will compare enzyme activity in people with aortic stenosis or diabetes to healthy volunteers. The goal is to see if…

This study installs a 'black box' recording system in hybrid operating rooms to capture and analyze errors during vascular procedures. Researchers will study how teamwork, leadership, and the environment affect surgical performance and patient safety. The goal is to identify high…

This study follows over 10,000 Moroccan adults for 10 years after a heart screening. Researchers will track heart attacks, strokes, and heart-related deaths to build a risk score tailored to the Moroccan population. The goal is to better predict and prevent heart disease in Moroc…

This study is building a biobank of blood and tissue samples from 500 patients undergoing cardiac surgery. Researchers will analyze these samples to better understand the causes and progression of heart disease. The goal is to improve future diagnosis and treatment, but no new th…

This study compares two types of replacement heart valves for people with aortic stenosis (a narrowed heart valve). Researchers will use exercise MRI scans to see which valve type works better during physical activity. About 90 adults who are already scheduled for valve replaceme…

This study looks at how different fluids used to fill the heart-lung machine before heart surgery affect the body's balance. 80 adults having bypass or valve surgery will be split into four groups, each receiving a different priming solution. Researchers will track changes in aci…

This study is following 10,000 adults with heart valve disease to see how their condition changes over time. Researchers will use scans, blood tests, and health records to track progression and the effects of treatments like surgery or medication. The goal is to better predict ou…

This study looks at whether it is safe to temporarily stop taking beta-blockers before a procedure called transcatheter aortic valve replacement (TAVR) for severe aortic stenosis. About 498 adults who are scheduled for TAVR and have been on beta-blockers for at least a month will…

This study looks at whether replacing a narrowed heart valve (TAVI) changes the types of bacteria living in the gut. Researchers will collect stool and blood samples from 40 patients before and after the procedure. The goal is to see if improved blood flow from the new valve help…

This study aims to see if voice recordings from a smartphone can help detect heart disease. Researchers will collect voice samples and health data from up to 1 million adults using the Mayo Clinic app. No treatment is given; the goal is to gather information for future AI tools.

This study uses artificial intelligence to analyze data from 21,000 patients who had heart valve procedures. The goal is to make AI tools that can predict surgery outcomes, like which device to use and risks of complications, with over 90% accuracy. This is a non-interventional s…

This study is looking at whether certain substances in the blood, related to inflammation and scarring, can predict if a person will develop heart rhythm problems after a procedure called TAVI (transcatheter aortic valve implantation). TAVI is a less invasive way to replace a nar…

This study surveys vascular centers across Europe to understand how they define and treat symptomatic non-ruptured abdominal aortic aneurysms (snrAAA). About 130 centers will share their current practices and details of their last five cases. The goal is to identify common approa…

This study is collecting imaging and health data from 200 people with abdominal aortic aneurysms to test a new software tool called ViTAA. The software analyzes CT scans to track aneurysm size and growth over time. The goal is to see if this tool can help doctors better decide wh…

This observational study in Scotland aims to understand what causes aortic stenosis to worsen and how the heart responds after valve replacement. About 300 participants with mild to severe aortic stenosis or a replacement valve will undergo regular heart scans and imaging over se…

This observational study will follow 1900 people with moderate mixed aortic valve disease (a combination of aortic stenosis and regurgitation) to see how symptoms and heart function relate to survival and the need for valve replacement. Researchers hope to identify which patients…

This study is testing whether a smartwatch, combined with artificial intelligence and remote doctor check-ins, can help detect heart issues like atrial fibrillation and unstable angina earlier than usual. Researchers at the University of Sao Paulo will enroll 520 adults with hear…

This study is observing 900 adults in Greece who have both chronic obstructive pulmonary disease (COPD) and at least one heart condition. Researchers will track their health for two years, recording lung flare-ups, heart complications, hospital visits, and quality of life. The go…

This Mayo Clinic study is testing two new imaging techniques to measure the strength and flexibility of the aorta in people with and without aneurysms. Researchers will use ultrasound and MRI to find areas of high stress in the vessel wall. The goal is to see if these methods are…

This study aims to see if CT and echo scans taken before and after a TAVI procedure can help predict how the new heart valve will perform. Researchers will collect scan data from 40 adults with severe aortic stenosis and use it to train a computer algorithm. The goal is to improv…