CARDIOVASCULAR DISEASES

This study tests whether showing people images of their own carotid arteries (the main arteries in the neck) can improve how they and their doctors manage heart disease risk. Participants are adults aged 40, 50, or 60 who are already part of a health program in Sweden. Some recei…

This study looks at how well Onyx drug-eluting stents work in everyday medical practice for people with coronary artery disease. Researchers will track 4,500 patients to see if these stents are safe and effective compared to other stents. The main focus is on preventing stent-rel…

This early study tested a new device called the Millipede ring, which is delivered through a catheter to tighten the mitral valve in people with functional mitral regurgitation (a leaky valve). Only 4 participants were enrolled to see if the procedure is safe and technically poss…

This study tests a new device called Tendyne, which is a replacement heart valve placed through a tube in the blood vessels, avoiding open-heart surgery. It is for people with a leaky mitral valve (mitral regurgitation) who are too high-risk for traditional surgery. The trial com…

This study tests whether adding a specially trained doula, along with home blood pressure and weight monitoring, can improve blood pressure in women who had high blood pressure during pregnancy. About 454 women will be randomly assigned to usual care or the doula program. The goa…

This study tests a clinic program called ActivityChoice that helps cancer survivors become more physically active to lower their risk of heart disease. About 114 adult cancer survivors will be offered a choice of group in-person, group virtual, or self-monitored digital exercise …

This study tests whether a church-based program led by community health workers can help Black adults in Louisiana lower their risk of heart disease, high blood pressure, diabetes, and high cholesterol. About 812 participants from local churches will receive either a health worke…

This Phase 3 study tests a weekly injection called retatrutide in about 1,946 people with severe obesity (BMI ≥35) and established heart disease. The goal is to see if it helps with weight loss and improves heart-related health measures over 113 weeks compared to a placebo. Parti…

This study tests whether a nurse-led smoking cessation program with free drugs and follow-up at healthy life centers helps heart patients quit smoking better than just giving them written information. About 221 daily smokers hospitalized for a heart event will be split into two g…

This study is testing a new device called the Edwards EVOQUE system, which replaces the tricuspid valve using a thin tube (catheter) instead of open-heart surgery. The trial includes 228 people with moderate or severe tricuspid regurgitation who still have symptoms despite medica…

This study tests a device that uses radiofrequency energy to calm overactive kidney nerves, which can drive high blood pressure. About 1,900 adults with uncontrolled hypertension will receive the procedure and be followed for years. The goal is to see if this approach safely and …

This study compares a new leadless pacemaker (Micra AV) to a standard dual-chamber pacemaker in 100 patients aged 70 and older with heart block. The goal is to see if the leadless version works just as well for exercise capacity. Participants are randomly assigned to receive one …

This study looks at how the timing of meals and sleep patterns influence blood sugar, heart health, and weight loss in adults with type 2 diabetes, obesity, or high blood pressure. Researchers will provide nutritional guidance and track changes in weight, lab results, and body me…

This study tests a newer drug-coated stent (Resolute Onyx) against an older one (Resolute Integrity) in 550 people with blocked heart arteries in China. The goal is to see if the new stent works better at keeping arteries open after angioplasty. Participants receive one of the tw…

This study tests a special stent coated with a drug called zotarolimus to treat people with blocked heart arteries. The stent is placed during a procedure to open the artery and slowly releases medication to prevent re-blockage. About 591 participants in China are being followed …

This study tests a device called Paradise™ that uses ultrasound to calm overactive nerves in the kidneys, which can drive high blood pressure. Researchers will compare the device to a sham (fake) procedure in 154 adults with hypertension who are already taking two blood pressure …

This study tests a proactive, culturally tailored outreach program to help BIPOC adults who smoke quit tobacco. Researchers will enroll 700 participants from two health systems and provide personalized materials and support to connect them with proven cessation treatments. The go…

This study tests a device called the Cleaner Pro Thrombectomy System, which is threaded through a blood vessel to suction out clots in the lungs of people with acute pulmonary embolism. The trial aims to see if the device safely reduces heart strain and avoids major complications…

This large study is testing whether a lower blood pressure target can reduce major heart problems like heart attacks, strokes, and heart failure in people with type 2 diabetes. About 9,500 participants with high blood pressure and high cardiovascular risk are being randomly assig…

This study tests whether giving stroke patients extra tests—like checking for hidden heart problems, artery stiffness, and leg circulation—can lower their chance of having another stroke or heart attack. About 600 people in Stockholm will get this expanded check-up and a personal…

This study was designed to test a special catheter that delivers clot-dissolving medicine directly into the lungs of people with blood clots. The trial was withdrawn before enrolling any participants, so no results are available. It would have included adults aged 18 to 80 with s…

This study compares two types of stents (small mesh tubes) used to open blocked heart arteries in people with severe three-vessel coronary artery disease. About 1,550 participants will receive either the SUPRAFLEX Cruz or SYNERGY stent. The goal is to see which stent is safer and…

This study tests a new device called EVOQUE that replaces the tricuspid valve in people with severe leakage (tricuspid regurgitation). The goal is to see if it is safe and can reduce leakage, improve symptoms, and enhance quality of life compared to standard medical therapy alone…

This Phase 2 trial tests an inhaled medication called mosliciguat in 135 people who have both lung scarring (interstitial lung disease) and high blood pressure in the lungs. Participants are randomly assigned to receive either the drug or a placebo for 16 weeks. The study measure…

This study looks at the long-term safety of the drug ralinepag in people with pulmonary arterial hypertension (PAH), a serious lung condition that makes it hard to breathe. About 1,000 adults who were in earlier ralinepag studies can join. The goal is to see if the drug remains s…

This study looks at whether eating walnuts can improve cholesterol levels, reduce inflammation, and change gut bacteria in overweight adults aged 45-70 who are at risk for heart disease. Participants eat walnuts as part of their diet, and researchers measure blood lipids, blood p…

This study looks at whether eating dark chocolate regularly can improve key heart health markers like blood pressure, blood flow, and cholesterol. Researchers at San Diego State University are comparing dark chocolate, bloomed dark chocolate, and white chocolate in 45 generally h…

This study looks at whether a program called Heart Matters can help Black adults in rural eastern North Carolina lower their blood pressure. About 173 people with at least one heart disease risk factor (like high blood pressure or obesity) will take part. The program is led by co…

This trial is testing a device called the Aventus Thrombectomy System, which suctions out blood clots from the lungs in people with acute pulmonary embolism. The study involves 130 participants aged 18 to 80. The goal is to see if the device is safe and effective at improving blo…

This study looks at whether a telehealth system can help people in rural areas get better heart care. It connects local emergency services and clinics with heart experts at a major medical center. About 215 adults with heart symptoms will take part. The goal is to see if this app…

This phase 2 trial tests whether a daily low dose of colchicine, an anti-inflammatory drug used for gout, can reduce inflammation and heart disease risk in adults with type 1 diabetes. 102 participants aged 35–80 will take either colchicine or a placebo for 26 weeks, with an opti…

This study tests whether using an implantable heart monitor (or a wearable patch) to detect atrial fibrillation early after catheter ablation can reduce the total time spent in AF. About 120 people with paroxysmal or persistent AF will be monitored for 15 months. The goal is to s…

This study tests whether having extra appointments with a heart specialist at a local GP practice helps people get better treatment for heart, kidney, metabolic, and lung conditions. 138 high-risk adults will either receive standard GP care or additional specialist reviews to opt…

This phase 3 trial tests whether colchicine, an anti-inflammatory drug, can slow the progression of aortic valve stenosis—a narrowing of the heart's aortic valve that currently has no drug treatment. The study enrolls 150 people with moderate, symptom-free valve disease. Particip…

This Italian study is testing whether heavy smokers can be screened for lung cancer just as effectively with a CT scan every two years instead of every year, and whether a simple blood test can help catch cancers early. Over 7,300 current or former heavy smokers are taking part a…

This study is testing whether a smart blood pressure cuff called the Withings BPM Core can accurately detect atrial fibrillation, a common heart rhythm problem. Researchers will compare the device's single-lead ECG readings to a standard 12-lead ECG in 160 adults. If it works wel…

This study explores whether fluid from the skin can be used to detect signs of heart disease. Researchers will collect skin fluid and blood samples from 30 volunteers, including older adults with heart failure and younger healthy adults. The goal is to see if certain biomarkers i…

This study tests whether a blood test for NT-proBNP can spot undiagnosed heart failure in 706 people with diabetes who are at high risk. Those with elevated levels get a heart ultrasound and exam. The goal is to see if this screening strategy leads to more early diagnoses and pro…

This study is testing whether a new risk score can help find people who have atrial fibrillation (an irregular heartbeat) but don't know it yet. About 1,955 adults at higher risk will use a remote ECG monitor at home. The goal is to see if the risk score correctly identifies who …

This study looks at whether a special ECG and a blood test can find early signs of heart weakness in adult cancer survivors who had certain chemotherapy. Researchers will check how well these tests work compared to standard heart imaging. The goal is to gather information needed …

This study tests whether a dedicated care coordinator can help people with psoriasis or psoriatic arthritis reduce their risk of heart disease. About 520 adults aged 40-75 who do not already take cholesterol medication will receive support to manage risk factors like high cholest…

This study tests whether personalized counseling, leaflets, and text messages can help 1,700 healthy adults living in Dhaka slums avoid high blood pressure. Participants receive 20 face-to-face sessions on diet, exercise, and tobacco use. The goal is to see if these lifestyle cha…

This study compares two ways to prevent heart attacks in people at risk: a CT scan of the heart arteries versus the usual risk score method. About 6,139 adults aged 40-70 with risk factors like high blood pressure, diabetes, or smoking are involved. The goal is to see if the CT-g…

This study tests a nurse-led education program designed to help women in cardiac rehab address sexual concerns after a heart event. Sixty-six women will be randomly assigned to either the program or usual care. The goal is to see if the program improves sexual function, mood, and…

This study tests whether a smartphone-based mindfulness training program can reduce stress and improve cardiovascular health in stressed adults aged 45 and older who are at risk for heart disease. About 106 participants will either use the app for 28 days or continue their usual …

This study looks at whether different levels of exercise can improve heart health in young adults who survived childhood cancer and were treated with a type of chemotherapy called anthracyclines, which can weaken the heart. Twenty survivors aged 18 to 39 will do either high-inten…

This study tests whether a 48-week exercise program can improve physical function and reduce disability in HIV-positive adults over 50 in Côte d'Ivoire. 180 participants will be split into three groups: supervised group exercise, home-based exercise with phone support, or health …

This study follows 2,000 people in China who received the SYNERGY stent to open blocked heart arteries. Researchers are collecting real-world data on safety and major heart events after the procedure. The goal is to see how well the stent performs in everyday medical practice.

This study follows 121 adults who have been cured of chronic hepatitis C to understand why some still develop liver complications like scarring or cancer. Participants are monitored for up to 10 years with regular tests, scans, and occasional liver biopsies. The goal is to learn …

This pilot study is testing whether it's possible to run a larger study that focuses on heart disease in women. Researchers will gather information from 176 women aged 25-55 in Ontario who have had certain female-specific health issues like pre-eclampsia, gestational diabetes, or…

This study follows over 4,000 women who were tracked during their first pregnancy to see how pregnancy complications like high blood pressure or diabetes relate to future heart disease. Researchers will check for conditions like high blood pressure, diabetes, and obesity over tim…

This pilot study looks at how daily experiences like stress and discrimination, health behaviors like sleep and exercise, and neighborhood factors affect heart health in Black women. Researchers will monitor 80 Black women aged 18-49 using wearable devices, surveys, and lab tests…

This study is building a large gene bank by collecting blood samples and health information from nearly 10,000 people who have had heart catheterization or cardiac CT scans. The goal is to identify genetic and other factors that contribute to coronary artery disease. Participants…

This long-running study follows nearly 100,000 French women, mostly teachers, since 1990 to understand what factors influence their risk of cancer, heart disease, diabetes, and other major illnesses. Participants fill out questionnaires every few years about their lifestyle, medi…

This study looks at whether having a heart doctor check patients during a COPD flare-up helps find and treat hidden heart problems. 150 hospitalized adults with COPD are randomly assigned to see only a lung doctor or also a heart doctor. Researchers then track changes in heart tr…

This study tracks 120 adults with heart disease and at least two other long-term illnesses to see how often dangerous drug interactions happen. Researchers check medications, including over-the-counter and herbal products, and follow participants for a year. The goal is to unders…

This study combines data from over 2,500 people with treated and controlled high blood pressure to understand why some still die from heart attacks, strokes, or kidney failure. Researchers are looking beyond blood pressure numbers to find other factors that might predict these fa…

This study looks at two ways to share important genetic findings with people who joined a biobank. Some participants will get their results through a website or chatbot, while others will speak with a genetic counselor by phone or video. The goal is to see if the digital method w…

This study looks at how serious combat injuries affect the long-term health of U.S. military members. Researchers will measure heart function, sleep quality, and stress-related body signals in 200 injured service members. The goal is to understand links between injury severity, s…

This study looks at how aging changes the way older adults respond to exercise. Researchers will have 26 people who previously completed a structured exercise program do a 6-month aerobic workout. They will measure changes in insulin sensitivity and heart fitness to see if age af…

This study follows 500 people with peripheral artery disease (PAD) who undergo a procedure to open blocked leg arteries. Researchers check blood and heart ultrasound before and after the procedure to find hidden heart injury. The goal is to see if certain markers can predict futu…

This study is a medical registry that follows over 21,000 adults hospitalized in 2021 at a Russian hospital. Researchers will analyze their health records, including chronic conditions, COVID-19 history, and outcomes like heart attacks or strokes, over five years. The goal is to …

This large real-world study will follow 10,000 Italian patients with COPD to see how their treatments, flare-ups, and other health conditions affect their risk of death. Researchers will collect data on medications, lung function, and heart problems over time. The goal is to bett…

This study follows over 800 heart failure patients in Germany who are starting dapagliflozin, a drug recently approved for heart failure. Researchers will track how long patients stay on the drug, any side effects, and changes in symptoms and quality of life. The goal is to under…

This study tests whether the PulsePoint app can increase the number of people who receive CPR or a defibrillator from bystanders before paramedics arrive. About 340 adults who suffer sudden cardiac arrest in public places will be included. Half of the 911 calls will trigger the a…

This study tests whether a 'toolbox' of educational materials—including report cards for doctors, patient handouts, and an online decision aid—can increase the use of cholesterol-lowering statins in communities with high rates of heart disease. Researchers will track prescription…

This study follows 2000 people with dilated cardiomyopathy (a weakened, enlarged heart) over several years to learn how genetics and heart scarring affect the disease. Participants give blood for genetic testing and have heart MRI scans. The goal is to improve diagnosis and pave …

This study follows 200 men with prostate cancer who are receiving hormone therapy (androgen deprivation therapy) for at least 6 months. Researchers want to understand how this treatment affects the heart over time, and how factors like medical history, race, income, and access to…

This study checks how common high levels of lipoprotein(a) — a genetic risk factor for heart disease — are among hospital staff and their families. About 2800 participants will give blood samples and be followed over time to see if high levels lead to more heart problems. The goa…

This study is building a large biobank of health information and blood samples from 48,000 people with diabetes in Hong Kong. Researchers will analyze genetic and other markers to find better ways to predict serious complications like kidney failure, heart disease, and stroke. Th…

This study examines the links between sleep bruxism (teeth grinding during sleep) and sleep quality, heart health, thyroid function, and mood. Researchers will give some participants opipramol, a drug that may reduce grinding activity, and monitor them with sleep tests. The goal …

This study looks at how to help VA medical centers offer virtual programs that prevent heart disease, diabetes, and depression in women Veterans. Researchers are testing two different support strategies at 20 VA sites to see which works better. The study does not involve patients…

This study aimed to learn more about using a CT scan to check for calcium buildup in the heart arteries of people with diabetes. The goal was to improve screening and treatment decisions. However, the study was withdrawn before enrolling any participants, so no new information wa…

This study tests whether trained peer coaches can help people with limited health literacy discuss heart disease prevention with their doctors. Researchers will enroll 60 patients at one clinic and analyze whether coaching leads to better conversations about treatment options. Th…

This study follows over 5,000 Black and White men and women from age 18-30 for many years to see how their lifestyles and health habits affect their risk of heart disease later in life. Researchers measure things like blood pressure, weight, and cholesterol to understand why some…

This study followed nearly 6,000 adults aged 65 and older to learn what factors predict heart disease, stroke, and related health problems. Researchers aimed to identify risks and understand what leads to disability or death after a heart event. The study did not test a new treat…

This study follows over 5,000 people with stable heart disease who were previously treated with either an invasive strategy (like stents or bypass surgery) plus medication, or medication alone. Researchers want to see which approach leads to better survival over 10 years. The goa…

This study follows over 2,300 South Asian adults in the US to understand why they have high rates of heart disease and stroke, even without traditional risk factors. Participants are aged 40-84 and have no prior heart events. Researchers will track heart scans, diabetes, and othe…

This study looks at how being in a hospital intensive care unit (ICU) after heart surgery affects your body's natural sleep-wake cycle. Researchers will track sleep patterns and thinking ability in 15 adults to see if disrupted rhythms slow down recovery. The goal is to understan…

This study followed over 6,800 adults from different racial and ethnic backgrounds to understand how heart disease develops over time. Participants were healthy at the start and were monitored for risk factors and heart-related events like heart attacks and strokes. The goal is t…

This study follows over 6,000 people over many years to see if feelings like hostility and other psychological factors are linked to heart disease. Researchers are tracking who develops heart problems and looking for patterns. The goal is to better understand how our minds and em…

This study was designed to see if certain immune cells (T cells) contribute to age-related blood vessel problems that raise heart disease risk. It planned to give a single injection of abatacept to adults aged 55-75 and measure changes in artery function and inflammation. However…

This study tests different ways to reach and enroll women and Black/Latino adults in heart disease research. Participants receive educational text messages about heart health and research opportunities. The goal is to see if these methods increase diversity and trust in clinical …

This study aimed to see if using a special pad along with a standard closure device could help patients get out of bed sooner after a heart catheterization. It was planned for adults having the procedure through the groin. However, the study was withdrawn before any participants …

This study aims to improve exercise prescription in cardiac rehabilitation by using machine learning to analyze data from the autonomic nervous system. Researchers will enroll 90 patients with coronary artery disease or non-ischemic heart failure. They will measure nerve activity…

This study was designed to test whether giving nitric oxide gas during heart surgery could help protect blood vessels in patients with pre-existing vessel problems. It was an add-on to a larger trial and planned to enroll adults having elective heart surgery with prolonged bypass…

This study was designed to measure how breathing nitric oxide gas affects oxidation levels in the blood of heart surgery patients. It was an add-on to a larger trial and planned to enroll adults having elective heart surgery with a bypass machine. However, the study was withdrawn…

This study aims to see if a high-sensitivity troponin blood test can better sort people into low, moderate, or high risk for heart disease compared to standard checks. Researchers will enroll up to 300,000 adults in India who are already getting routine health screenings. The goa…

This study looks at how a gene called PDE3B affects fat tissue and the body's ability to handle sugar and fats. Researchers will compare two groups of people: those with a natural gene variant and those without. The goal is to understand if this gene could be a target for prevent…

This study looks at how the timing of meals changes the way your body uses energy, especially in overweight adults aged 30 to 75. Researchers will compare eating most calories early versus late in the day, and test how this affects insulin sensitivity and metabolism. The goal is …

This study at Vanderbilt University Medical Center is looking at whether people with postural tachycardia syndrome (POTS) have higher levels of certain immune proteins that might affect their symptoms. Researchers will measure these proteins in blood samples and test how the hear…

This study follows 200 women with breast cancer who are receiving doxorubicin and/or trastuzumab. Researchers want to learn how these drugs affect the heart over time and how factors like race, income, and access to healthcare play a role. Participants will have heart ultrasounds…

This study gives 300 new mothers a medical-grade smartwatch that tracks blood pressure multiple times daily for 6 weeks after delivery. Researchers want to see if daily blood pressure patterns differ between low-risk, intermediate-risk, and high-risk groups. The goal is to better…

This study tests a new imaging device called OCT-NIRAF that takes detailed pictures inside heart arteries during a standard heart procedure. Researchers want to see if the images can predict which plaques (fatty buildups) will grow and become dangerous. Forty adults with heart di…

This study looks at what causes dangerous blood clots in the legs (venous thrombosis) and lungs (pulmonary embolism) in over 21,000 African American and white adults. Researchers are using data from two long-running heart health studies to find patterns and risk factors. The goal…

This study follows 347 heart surgery patients to understand why some develop swallowing problems (dysphagia). Researchers will use special camera tests to watch how patients swallow and look for risk factors. The goal is to create simple tools that doctors can use at the bedside …

This study looks at how two specific genes, SWAP70 and GMPR, may influence the risk of heart disease. Researchers will analyze blood samples and health data from 100 healthy volunteers who are part of a larger research resource. The goal is to better understand the biological mec…

This study is following 10,000 adults who are having a heart MRI for medical reasons. Researchers want to see if the MRI results can help predict who will have heart problems in the future, like heart attacks or heart failure. The goal is to better understand how MRI scans can gu…

This study was designed to see if a cholesterol-lowering drug called a PCSK9 inhibitor could also reduce inflammation in the arteries of people with heart disease. Researchers planned to use a special imaging scan to measure inflammation. The study was withdrawn before enrolling …

This study follows 2,000 adults aged 45-75 in Pennsylvania to better understand why some groups have higher heart disease risk. About 800 participants at higher risk will receive either usual care or a personalized program with nutrition, exercise, and stress management advice. T…

This study looks at whether giving people a personalized genetic risk score for coronary artery disease helps doctors make better decisions about prevention. About 1,000 adults with moderate heart risk will be randomly assigned to receive their risk score or not. Researchers will…

This study follows over 3,000 Black people with HIV in the UK to understand how genes and lifestyle affect their risk for kidney disease, heart disease, diabetes, and obesity. Researchers collect health data and blood/urine samples to find genetic markers that predict these condi…