CARDIOVASCULAR DISEASES

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

This pilot study is testing whether a smartphone app called HeartMate can help people with heart disease manage their condition from home. Over six weeks, participants use the app for daily heart checks, guided exercise, breathing training, and a mind program, with weekly coachin…

This study is testing a new artificial heart valve, called the TRIFORMIS RESILIA, for people who need their tricuspid valve replaced. The tricuspid valve controls blood flow between two right heart chambers. Researchers will follow 75 adults who receive this valve during surgery …

This study explores whether applying mild electrical stimulation to the spinal cord through the skin can improve blood pressure control in people with spinal cord injury. Participants will undergo tilt-table tests to measure immediate effects, plus 20 stimulation sessions to see …

This trial tests whether giving blood pressure medication inside a mobile stroke unit—a special ambulance with a CT scanner—can improve outcomes for people having a brain bleed. About 706 adults with high blood pressure and a recent stroke will be randomly assigned to either the …

This study tests whether a care model led by rural doctors and supported by telemedicine can reduce strokes, heart failure, and heart-related deaths in adults aged 65 and older who are at high risk of stroke in rural China. About 2,500 participants from 39 village clinics will be…

This study tests whether a wearable monitoring system (ECG patch, temperature patch, and pulse oximeter) can reduce major heart complications in hospitalized patients with heart disease. About 1500 adults will be monitored either with standard care (vital signs every 4-8 hours) o…

This study tests whether adding Vitamin C, Omega-3 fatty acids, lignin, and lactulose to standard care can improve recovery in 108 adults after coronary artery bypass grafting (CABG). Participants will take the supplements daily for 10 weeks starting 15 days after surgery. The go…

This phase 2 trial tests whether quercetin, a dietary supplement found in many fruits and vegetables, can improve the function of tiny blood vessels in young adults with obesity. Forty participants will take either quercetin or a placebo daily for 30 days. Researchers will measur…

This study tests whether vericiguat, a drug already used for heart failure, can improve how the body uses sugar and burns energy in Black adults with obesity and insulin resistance. Researchers will give 200 participants either vericiguat or a placebo daily for 12 weeks, measurin…

This study tests a new biodegradable device that closes a common heart hole (PFO) in people who have already had a stroke or mini-stroke. The device is placed through a tube in the leg and dissolves over time, leaving no permanent implant. The trial will check if it safely and ef…

This study looks at whether showing women detailed pictures of their own blood vessels can motivate them to make healthier choices after having pregnancy complications like preeclampsia or gestational diabetes. About 318 women will be split into two groups: one gets the visual fe…

This study looks at whether taking propionic acid (a natural substance made by gut bacteria) can improve blood vessel function and reduce inflammation in 20 adults with coronary artery disease. Participants will take the supplement for 4 weeks, and researchers will measure change…

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

This trial compares two blood-test strategies for diagnosing heart attacks in people with chest pain: the standard approach of testing at arrival and again 3 hours later, versus an accelerated approach testing at arrival and again after just 1 hour. The goal is to see whether the…

This trial tests whether offering a seasonal flu vaccine to heart patients while they are still in the hospital, along with active counseling, increases vaccination rates compared to counseling alone. The study enrolls adults hospitalized for acute coronary syndrome or heart fail…

This study tests a WeChat mini-program that sends heat warnings to parents and teachers of 200 fourth-graders in Beijing. When temperatures reach risky levels, the program shares health tips and alerts. The goal is to see if this helps children stay physically healthy and think c…

This study tests whether using portable air cleaners and other indoor air quality measures can lower the risk of heart disease in older adults (ages 55-79) living in Montana, where wildfires are common. Participants will use air cleaning devices at home, and researchers will trac…

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

This study tests whether AI-generated avatar videos and a chatbot can better engage older Veterans in cardiovascular clinical trials compared to standard mailed letters. Veterans aged 65 and older with heart conditions will receive either a routine invitation or a link to a websi…

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

This study will collect data from up to 10,000 cancer patients across Europe to create better tools for predicting heart damage caused by certain cancer treatments. Researchers will use artificial intelligence alongside standard methods to develop risk scores that doctors can use…

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

Stanford University is enrolling 50 adults aged 18–64 to collect vital signs using a blood pressure cuff, EKG, and PPG. The goal is to use this data to develop a noninvasive, continuous blood pressure monitoring device that could replace traditional cuffs. This is an observationa…

This study looks at 40 mothers and their 6-month-old babies to see if mindfulness training during pregnancy helps them handle stress better together. Researchers will measure heart rate and stress responses during a short separation-and-reunion task. They will then check if these…

This study watches how dilated cardiomyopathy (a weakened heart muscle) progresses in adults with specific BAG3 gene changes. Researchers will track heart function and health events over time in 30 participants. No treatment is given—the goal is to better understand the disease.…

This pilot study looks at how the diabetes and weight-loss drugs semaglutide and tirzepatide directly affect blood vessels and heart function, beyond their known effects on weight. Researchers will infuse the drugs into the arm or bloodstream of 112 volunteers with different body…

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

This study will test a new screening program for 3,000 people turning 50 in the Ascoli Piceno province of Italy. Participants will fill out questionnaires and get a blood test to check their risk of developing type 2 diabetes and cardiovascular disease. The goal is to see if this…

This study looks at ways to help VA medical centers put proven health programs into practice for women Veterans in midlife. The programs focus on heart health, weight management, diabetes, mental health, and menopause care. Researchers will test two support strategies at 18 VA si…

This study looks at medical records of 15,000 adults with chronic B-cell cancers to compare the risk of developing atrial fibrillation (an irregular heartbeat) between two drugs, zanubrutinib and acalabrutinib. Researchers will analyze data from a health database to see which dru…

This study will measure levels of lipoprotein A, a type of fat in the blood, in 300 people with stage 4 chronic kidney disease. Researchers want to see if high levels are linked to future heart attacks, strokes, or worsening kidney function over 18 months. The goal is to find a b…

This study looks at how the loss of estrogen after menopause may raise the risk of heart problems by increasing blood pressure, nerve activity, and inflammation. Researchers will measure these factors in 20 healthy postmenopausal women aged 54-75. The goal is to better understand…

This study will follow one million adults in China aged 30 to 74 for up to 10 years. Researchers will collect health data and Traditional Chinese Medicine (TCM) body type information to see how they relate to chronic diseases like heart disease, diabetes, and cancer. The goal is …

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