Cardiac ventricle 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 compares two methods for closing the breastbone after open-heart surgery: rigid plate fixation (using a metal plate and screws) versus traditional wire cerclage (using stainless steel wires). The trial will enroll 250 adults at high risk for wound complications, such a…

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 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 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 a device called Efferon LPS that filters harmful substances from the blood during and after heart surgery. The goal is to see if it can reduce the risk of multiple organ failure, a serious complication. Researchers will enroll 60 adults having heart surgery with …

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 tests a new method called decrement evoked potential (DeEP) mapping to guide catheter ablation for ventricular tachycardia (VT) in people with structural heart disease. VT is a fast, dangerous heart rhythm that can cause sudden cardiac arrest. The standard ablation pro…

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 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 tests a noninvasive radiation treatment (SBRT) for people with ventricular tachycardia, a dangerous heart rhythm that can cause sudden death. The 12 participants have structural heart disease and have not been helped by standard treatments like drugs or catheter ablati…

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 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 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 compares a single dose of targeted radiation (SBRT) to the standard catheter ablation procedure for reducing dangerous heart rhythms in people with advanced heart disease. Sixty participants will be randomly assigned to one of the two treatments. The main goal is to se…

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 tests a program that uses an AI chatbot, health coach, and home monitoring devices to help 300 adults with heart disease, diabetes, or kidney disease manage their conditions. The goal is to see if this approach reduces hospital visits, complications, and deaths over 6 …

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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 tests a new type of electrocardiogram (UHF-ECG) that uses ultra-high frequency waves to detect when the heart's lower chambers are not beating in sync. Researchers will compare it to the standard 12-lead ECG in 360 adults with slow heart rate or heart failure who are s…

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 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 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 is testing whether a machine learning algorithm can accurately detect heart murmurs that point to structural heart disease. Researchers will record heart sounds from 125 adults using two different digital stethoscopes and compare the algorithm's findings to standard ec…

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 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 a 6-session program called BE-FIT that helps cardiac rehabilitation patients reduce anxiety about exercise. The program uses gradual exposure to feared sensations, prevents safety behaviors, and uses activity monitors for feedback. Researchers will enroll 146 adu…

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 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 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 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 registry tracks 2,000 adults with congenital heart disease who are on the waiting list for a heart or heart-lung transplant. The goal is to understand why some patients get worse or die while waiting, while others improve enough to be removed from the list. By collecting dat…

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 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 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 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 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 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 looks at how people with ME/CFS (chronic fatigue syndrome) and people with heart conditions feel after a bike exercise test. Researchers want to see if the type and timing of symptoms after exercise are different between the two groups. 80 adults will take part, and th…

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 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 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 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 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 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 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 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 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 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 tests whether a machine-learning model can predict serious heart events in children admitted to the hospital. The model alerts doctors when a child may need a palliative care consultation. Researchers will compare outcomes before and after the model is used, involving …

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 study measures how hard children with conditions like neuromuscular disease, scoliosis, or heart problems work to breathe. Researchers use a thin tube placed through the nose into the esophagus to measure breathing muscle strength and effort. The goal is to better understand…

This registry is collecting information from 8,000 people undergoing heart or chest surgery. The goal is to see how factors before and during surgery relate to serious complications like death, shock, or infection. By analyzing this data, researchers hope to find ways to improve …

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 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 looks at how the brain, nerves, and blood vessels interact in 80 adults having heart surgery. Researchers will measure brain activity, blood flow, and heart reflexes to better understand the link between heart disease and depression. The goal is to develop new tools fo…

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 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 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 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 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 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 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 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 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 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 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 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 observational study is testing whether advanced heart imaging (MRI or CT scans) can find blood clots in the heart that standard ultrasound might miss. It involves 125 people who had a stroke of unknown cause and have mild heart disease. The goal is to better understand strok…

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 tracks 150 adults in cardiac rehab to see if men and women differ in how much they move during and up to 6 months after the program. Participants wear activity trackers and complete fitness tests at three visits over 10 months. The goal is to understand barriers to sta…

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 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 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…