Arterial disorder

This study will test a device called EkoSonic in 30 Chinese patients with acute pulmonary embolism (blood clots in the lungs). The device uses ultrasound to help break up clots while delivering clot-busting medicine. The main goal is to see if it improves heart function within 48…

This phase 2 study tests whether spironolactone, a drug already used for fluid retention, can improve exercise capacity and blood vessel function in people with pulmonary arterial hypertension (PAH). About 70 adults with PAH will receive either spironolactone or a placebo for 24 …

This trial tests whether a new transcatheter heart valve (Myval) works as safely and effectively as two existing valves (Sapien and Evolut) in people with severe aortic stenosis, a condition where the heart's main valve narrows. About 768 patients who are eligible for valve repla…

This trial tests whether planning coronary artery bypass grafting (CABG) using a non-invasive CT scan (CCTA) works as well as the standard invasive angiography (CAG). About 826 people with blocked heart arteries will be randomly assigned to have their surgery planned with one of …

This study looks at whether taking just one blood thinner (a P2Y12 inhibitor) is as safe and effective as taking two blood thinners (dual antiplatelet therapy) for people with stable heart disease who have a drug-coated balloon procedure without a stent. About 2,170 adults will b…

This first-in-human study tests a new device called Pulse IVL that uses sound waves to break up calcium buildup in heart arteries. Up to 15 people with coronary artery disease will receive the treatment before getting a stent. The goal is to see if the device is safe and helps op…

This trial is testing an experimental drug called HS235, given as a shot under the skin, in adults with pulmonary arterial hypertension (PAH), a condition where high blood pressure in the lungs makes it hard to breathe and can strain the heart. The study aims to see if adding HS2…

This trial is testing an experimental drug called HS235 in obese adults who have both pulmonary hypertension and heart failure with preserved ejection fraction. The study aims to see if the drug is safe, how it moves through the body, and whether it can improve heart and lung fun…

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

This study tests whether inclisiran, a twice-yearly injection that lowers cholesterol, can prevent major heart and limb events in 6,000 people who recently had artery-opening procedures. Participants receive either inclisiran or a placebo shot at the start, at 90 days, and every …

This trial is investigating whether adding a clot-removal procedure, called endovascular treatment, to standard medical care can improve outcomes for people who have had a severe stroke caused by a blockage in the basilar artery, a major vessel at the back of the brain. The study…

This study is checking how well a new drug-coated stent (Coroflex ISAR NEO) works in people with coronary artery disease. Researchers will follow 3,000 patients who get the stent during a routine procedure to see if it keeps arteries open safely. The goal is to confirm the stent …

This study looks at whether a gentle laser treatment (SLT) works as well as the standard version for people with glaucoma or high eye pressure. It also tests if getting the gentle laser once a year can delay or prevent the need for daily eye drops. About 790 adults will take part…

This study is testing a device that uses sound waves to break up calcium buildup in the leg arteries of people with peripheral artery disease. The goal is to improve blood flow, reduce pain, and help people walk better. About 50 participants will be followed for one year to see i…

This study is checking the long-term safety of a drug called avacopan for people with ANCA-associated vasculitis, a rare disease where the immune system attacks blood vessels. About 300 adults who need treatment for a new diagnosis or flare-up will take avacopan or a placebo. The…

This study tests a stem cell transplant using the patient's own blood cells to treat severe scleroderma (systemic sclerosis) that hasn't improved with standard drugs. The goal is to see if this high-dose therapy is safe and can stop the disease from getting worse. The trial enrol…

This study compares two standard procedures—minimally invasive TAVR and open-heart surgery (SAVR)—for replacing a diseased aortic valve in people with a bicuspid aortic valve. About 1,200 participants aged 50 and older with severe aortic stenosis will be randomly assigned to one …

This trial tests whether placing a stent in a narrowed or blocked neck artery during emergency stroke treatment helps people recover better than just removing the clot in the brain. About 15-20% of severe strokes involve both a brain clot and a neck artery blockage. The study wil…

This study tests a single dose of an experimental drug called ALN-AGT01 in adults with mild to moderate high blood pressure who have already been treated with another drug, zilebesiran. The goal is to see if it safely helps control blood pressure by measuring changes in blood pre…

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 phase 3 trial tests an inhaled drug called treprostinil palmitil in 344 adults with pulmonary hypertension caused by interstitial lung disease. Participants take the drug or a placebo once daily for 24 weeks. The main goal is to see if the drug helps them walk farther in six…

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

This study tests whether empagliflozin, a diabetes medicine, can improve right heart function in 78 adults with pulmonary arterial hypertension (PAH). Participants continue their usual PAH treatments and receive either empagliflozin or a placebo. The main goal is to see if the dr…

This trial is testing whether a higher dose of adenosine, a drug used during cardiac MRI to stress the heart, improves blood flow imaging compared to the standard dose. The study includes 180 adults with suspected or known coronary artery disease or heart failure. By comparing th…

This phase 3 study tests the long-term safety of an inhaled drug called treprostinil palmitil for people with pulmonary hypertension caused by interstitial lung disease. About 344 adults who completed an earlier trial will take the drug for up to 2 years. Researchers will track s…

This Phase 3 trial is testing whether adding BDB-001 to standard treatments (cyclophosphamide, azathioprine, rituximab, or prednisone) helps more people with ANCA-associated vasculitis achieve remission. The study plans to enroll 300 adults with active GPA or MPA. Participants wi…

This study is testing a device called FlowTriever that removes blood clots from the lungs in people with a severe, high-risk pulmonary embolism. About 200 participants will be randomly assigned to get either the device or standard care. The goal is to see if the device reduces de…

This study tests whether a personalized blood-thinner plan can reduce bleeding in people with coronary artery disease who have received a heart stent. About 3,944 participants will either get the usual dual antiplatelet therapy (two blood thinners) or a shorter course followed by…

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

This study looks at whether taking melatonin for 12 weeks can help lower blood pressure in women going through menopause who already have high blood pressure. Researchers will measure nighttime blood pressure and check for changes in stress markers. The goal is to find a simple, …

This study is a registry that follows about 960 people with coronary artery disease who are treated with a special balloon coated with a drug called sirolimus. The balloon is used to open blocked heart arteries. Researchers will track heart-related events like death, heart attack…

This trial tests whether nurse-led motivational interviewing—a counseling style that helps people find their own motivation to change—can improve blood pressure control in adults with hypertension. Participants are randomly assigned to usual care, individual counseling, or counse…

This study looks at whether successfully restoring blood flow in the brain using the Tigertriever device, a tool that removes clots during a stroke, may also help protect cognitive abilities like memory and attention. Researchers will follow 424 adults aged 18 to 75 who had a lar…

This trial tests a 9-month program for women who had preeclampsia during their first pregnancy. The program includes online screening, group meetings, and a smartphone app to help monitor blood pressure and weight. Researchers want to see if it improves heart health and promotes …

This study compares different ways to give blood pressure cuffs and training to adults with uncontrolled high blood pressure during routine primary care visits. Participants receive a cuff either in the clinic or by mail, and training either hands-on or through written instructio…

This trial tests whether starting respiratory physiotherapy within one hour of breathing tube removal after elective coronary artery bypass surgery improves lung function and reduces complications compared to waiting until the next day. Forty adults undergoing planned heart surge…

This study tests a new digital tool called P3-EX that helps doctors create personalized exercise plans for patients with heart disease risk factors like high blood pressure, diabetes, and obesity. Researchers will recruit 24 doctors and 48 patients to compare the new tool with a …

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

This trial tests an implantable device called the Shockwave Reducer for people with severe, persistent chest pain (refractory angina) who cannot have standard treatments like stents or bypass surgery. About 380 participants will either receive the device or a sham procedure. The …

This study is tracking 1,000 patients with high blood pressure who receive the Paradise Ultrasound Renal Denervation treatment. The procedure uses ultrasound energy to calm overactive nerves near the kidneys, which can help lower blood pressure. Researchers are monitoring blood p…

This study compares a new balloon coated with everolimus to standard paclitaxel-coated balloons for opening blocked leg arteries in people with peripheral artery disease. About 410 participants will be randomly assigned to one of the two balloons. The goal is to see if the new ba…

This study looks at whether spinal cord stimulation, a device already used for chronic pain, can also reduce blood pressure in people with hypertension and low back pain. Researchers will measure blood pressure changes and pain levels, and explore how different stimulation patter…

This trial investigates whether giving a low dose of the clot-busting drug alteplase directly into the brain artery, right after successful mechanical clot removal, can improve recovery in people with a severe stroke caused by a large vessel blockage. About 416 adults who have ha…

This trial is testing a new heart valve called SAPIEN X4/X4S in over 1,200 people with severe aortic stenosis, a condition where the heart's aortic valve narrows. The valve is inserted through a catheter, avoiding open-heart surgery. Researchers are measuring how many patients di…

This study tests a drug called mirivadelgat in people with high blood pressure in the lungs caused by lung scarring (PH-ILD). The goal is to see if it improves blood flow in the lungs, exercise ability, and overall well-being. About 126 participants will take the drug or a placeb…

This trial tests an experimental therapy called CTX340, which uses CRISPR gene editing to disable a gene in the liver that regulates blood pressure. It is designed for adults with uncontrolled hypertension despite taking multiple blood pressure medications. The study will first a…

This study tests whether treating mild high blood pressure (stage 1 hypertension) during pregnancy can improve baby birth weight. 74 pregnant people with blood pressure between 130-139/80-89 mmHg will be randomly assigned to either active treatment with blood pressure medication …

This study tests a drug called CSL300 in people with end-stage kidney disease who are on dialysis and have signs of inflammation. The goal is to see if it can reduce the risk of heart attacks or heart-related death. About 3110 adults will take part, and half will get the drug whi…

This study will screen 1,500 people with early signs of heart disease (plaque in arteries) to see if two common drugs—rosuvastatin and colchicine—can reduce or stabilize that plaque over two years. Participants will take pills daily and get heart-healthy lifestyle advice. The goa…

This study tests a new device called the RevCore Thrombectomy Catheter to treat blocked stents in the leg veins. About 100 adults with stents that have been in place for at least 6 weeks will be enrolled. The device is inserted into the vein to remove the blockage and restore blo…

This trial tests whether adding a low-dose blood thinner (rivaroxaban) to standard antiplatelet therapy for the first three months after a heart stent procedure can reduce the risk of future heart attacks, strokes, and other cardiovascular events in high-risk patients. Participan…

This study tests two blood-thinning strategies in people with severe aortic regurgitation who have had a new heart valve placed without open surgery. Participants receive either daily aspirin for a year or warfarin for six months followed by aspirin. The goal is to see which appr…

This study looks at whether people with giant cell arteritis (GCA) who are in remission can safely stop or lower their dose of tocilizumab (Actemra). About 78 adults who have been on high-dose tocilizumab for at least a year and off steroids for three months will either stop the …

This long-term study follows people with pulmonary arterial hypertension (PAH) who previously took part in sotatercept trials. Sotatercept is a targeted therapy that aims to stop PAH from getting worse. Researchers will monitor safety, side effects, and how well patients tolerate…

This trial compares two blood thinners, edoxaban and apixaban, in people who have both atrial fibrillation (an irregular heartbeat) and coronary artery disease (narrowed heart arteries). Both drugs help prevent blood clots, but they are taken differently and may have different ri…

This study looks at how a special balloon called the OPN balloon is used to open severely hardened or blocked heart arteries. Researchers will track 300 adults who need this procedure to see how well it works and what problems might happen. The goal is to learn the best ways to u…

This study tests whether a personalized, home-based exercise program can help people who have had a moderate-to-severe pulmonary embolism (a blood clot in the lungs) improve their physical capacity and quality of life. Participants will be randomly assigned to receive the exercis…

This study compares two medicated stents (tiny mesh tubes) used to open blocked heart arteries in people having a heart attack or unstable angina. About 2,100 participants will receive either a sirolimus-eluting stent (ihtDEStiny) or an everolimus-eluting stent (Xience). Research…

This trial compares two blood pressure medications—midodrine and droxidopa—against compression stockings and a placebo to see which best stabilizes blood pressure in people with spinal cord injury. Participants have a traumatic injury between C1 and T6, are at least a year post-i…

This study tests whether using a CT scan to guide heart stent placement is better than the current standard (IVUS ultrasound) for people with hardened, calcified coronary arteries. About 700 adults with evidence of reduced blood flow to the heart will be randomly assigned to one …

This study tests an experimental oral drug called ROC-101 in 40 adults with pulmonary arterial hypertension (PAH) or pulmonary hypertension linked to interstitial lung disease (ILD-PH). Participants take the drug alongside their standard care for 24 weeks, with a long-term follow…

This early study tests a new device called HyperQure that uses a keyhole surgery to disable certain nerves around the kidneys. The goal is to help people with resistant hypertension—high blood pressure that stays high despite taking three or more medications. The study will enrol…

This study investigates whether aggressive lipid-lowering therapy can reduce plaque buildup in the heart arteries of melanoma patients starting immune checkpoint inhibitors (ICIs). Participants with plaque detected on a heart CT scan are randomly assigned to either usual care or …

This study tests a drug called lepodisiran in 252 adults with high levels of Lp(a), a protein linked to heart disease. Participants must have heart disease or be at risk for a first heart event. The drug is given as an injection and compared to a placebo to see if it reduces plaq…

This study tests whether doing strength exercises one limb at a time (unilateral) or both limbs together (bilateral) makes a bigger difference in heart rate variability, muscle strength, and daily function for adults with high blood pressure. Adults aged 40-75 with hypertension w…

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 device called the Artix Thrombectomy System to remove blood clots from leg arteries in people with sudden blockages. About 250 adults with symptoms lasting up to 14 days will be enrolled. The goal is to see if the device can safely restore blood flow and preven…

This Phase 3 trial tests an oral drug called muvalaplin in over 10,000 adults with high levels of lipoprotein(a), a genetic risk factor for heart disease and stroke. Participants either have had a prior cardiovascular event or are at high risk for a first one. The study measures …

This study tests whether adding pelacarsen to inclisiran can further lower a type of cholesterol called Lp(a) in people with heart disease. About 340 adults with high Lp(a) and LDL-C will receive either pelacarsen or a placebo, plus inclisiran. The main goal is to see if Lp(a) le…

This phase 3 trial tests whether metformin, a diabetes drug, can safely prolong pregnancy in women with preterm preeclampsia. Currently, the only treatment is early delivery, which risks the baby's health. The study will enroll 294 women across Nordic countries, giving them metfo…

This trial tests whether using a supraglottic airway (a mask-like device) instead of a breathing tube during heart surgery can reduce lung complications and speed recovery. Adults having elective heart valve surgery or bypass will be randomly assigned to either the nonintubated a…

This trial tests a new model of care called PEN-Plus, which brings specialized treatment for severe chronic diseases like diabetes, heart conditions, and sickle cell disease to first-level hospitals in Zambia. The goal is to train local health workers and set up clinics to manage…

This study tests whether the drug clevidipine can lower blood pressure quickly and steadily in people having a bleeding stroke (intracerebral hemorrhage). High blood pressure can make the bleeding worse, so getting it under control fast is critical. The trial will compare clevidi…

This study compares two approaches for people with mild-to-moderate carotid artery stenosis (narrowing of the neck arteries): a standard statin regimen versus a statin plus a PCSK9 inhibitor (evolocumab) given as biweekly injections. The main goal is to see whether the combinatio…

This study tests a daily pill called orforglipron to see if it can prevent major heart problems (like heart attacks or strokes) and slow kidney disease in people who already have heart or kidney disease. About 7,140 adults will take either the drug or a placebo for up to 5 years.…

This study tests an experimental drug, REGN7508, to see if it works better than the standard blood thinner apixaban for treating and preventing blood clots in people with cancer. The trial will include about 1,600 participants with or without cancer who have deep vein thrombosis …

This early study tests whether a liquid form of the drug avacopan can be safely given through a feeding tube to critically ill patients with ANCA vasculitis who have severe lung bleeding and need a ventilator. The main goal is to measure how the drug levels change in the blood ov…

This study tests a new type of stent (a small mesh tube) for people with heart disease who also take blood thinners. These patients have a high risk of bleeding when they also need anti-clotting drugs after stent placement. The new stent is designed to allow a shorter course of a…

This study looks at whether giving enalapril, a standard blood pressure medicine, to women who had preeclampsia during pregnancy can help control their blood pressure after childbirth. Researchers will enroll 60 postpartum women and randomly assign them to enalapril or usual care…

This study looks at two ways to treat blocked large heart arteries (≥3.5 mm) in people with coronary artery disease. One method uses a drug-coated balloon, the other a drug-releasing stent. The goal is to see which helps the artery relax and function better 8 months after treatme…

This study will track 100 people with severe aortic stenosis who receive the Hydra THV heart valve through a less invasive procedure (TAVR). The goal is to see how well the valve works and how safe it is in everyday practice. Participants will be followed for short- and mid-term …

This study tests an experimental drug called REGN13335 in 99 adults with pulmonary arterial hypertension (PAH), a condition where high blood pressure in the lungs makes the heart work harder. Participants will receive either the drug or a placebo, on top of their usual PAH medica…

This trial tests whether a 5-microgram or 10-microgram bolus of norepinephrine is better at quickly raising dangerously low blood pressure during emergency abdominal surgery. Low blood pressure after anesthesia is common in these surgeries and can harm organs if not treated fast.…

This phase 3 trial is testing two experimental drugs, REGN7508 and REGN9933, to prevent serious blood clots in people with peripheral artery disease who recently had leg surgery to improve blood flow. The study will enroll about 7,050 participants and compare the drugs to a place…

This study tests two ways to treat hardened calcium deposits in heart arteries. After using sound waves to break up the calcium, doctors will either place a drug-coated balloon or a drug-coated stent. The trial will follow 128 patients for 9 months to see which approach keeps art…

This study tests a drug called YN001 in 456 adults with coronary atherosclerosis (plaque buildup in heart arteries). Participants receive weekly injections of YN001 or a placebo for 13 weeks. The main goal is to see if YN001 reduces plaque volume in the arteries, as measured by a…

This study tests a new device that uses sound waves to break up calcium deposits in heart arteries before placing a stent. About 408 adults with coronary artery disease will receive this treatment. The goal is to see if the device is safe and effective at clearing blockages to im…

This trial tests whether an eight-week digital cardiac rehabilitation program using the Peloton app can improve physical activity and recovery in people who have had a transcatheter aortic valve replacement (TAVR). Participants are randomly assigned to either the digital rehab pr…

This study tests whether a combination of nifedipine and enalapril controls high blood pressure after childbirth better than nifedipine and labetalol. It involves 200 postpartum women with persistent hypertension. The goal is to reduce hospital stays, readmissions, and severe blo…

This Phase 2 trial tests an inhaled drug called LAM-001 (sirolimus) in 85 adults who have pulmonary hypertension (high blood pressure in the lungs) along with interstitial lung disease (lung scarring). The study compares the drug to a placebo to see if it improves blood flow in t…

This study tests whether pemafibrate, a drug that lowers triglycerides, can prevent the worsening of narrowed brain arteries in people who have already had a stroke or mini-stroke. About 270 participants will be randomly assigned to receive either pemafibrate plus standard care o…

This early-phase trial tests an experimental antibody called DIAG723 in 93 adults with hereditary hemorrhagic telangiectasia (HHT), a condition that causes abnormal blood vessels and frequent nosebleeds. The study will check if the drug is safe and how the body processes it, with…

This trial is testing a new coronary extension catheter designed to help doctors deliver balloons and stents more easily during percutaneous coronary intervention (PCI) for coronary artery disease. The study will enroll about 69 adults who need PCI and for whom the catheter is pl…

This study tests whether giving thiamine (vitamin B1) during coronary artery bypass surgery can reduce the memory and thinking problems that sometimes follow the procedure. Older adults with coronary heart disease who are scheduled for bypass surgery and have low thiamine levels …

This early-stage trial tests a single IV dose of VERVE-102, a gene-editing drug designed to permanently lower LDL (bad) cholesterol by turning off a specific gene in the liver. It involves 85 adults with inherited high cholesterol or early heart disease who still need lower chole…

This phase 3 trial is testing whether a blood pressure treatment plan that focuses on diuretics (water pills) works better than usual care for people with moderate to severe chronic kidney disease and uncontrolled high blood pressure. The study will include 720 participants and t…

This study tests whether doing wall squats at home, along with lifestyle advice, is a practical and acceptable way for people with high blood pressure to manage their condition. Seventy adults with hypertension will do supervised wall squat exercises three times a week for 12 wee…

This study tests a device that uses ultrasound to calm overactive nerves in the kidneys, which can drive high blood pressure. About 261 adults with hypertension will either get the real procedure or a sham (fake) one. The goal is to see if this approach safely lowers blood pressu…

This trial tests whether a smartphone app called HeartCheck can help people who have recently survived a heart attack better manage their blood pressure, cholesterol, blood sugar, and smoking habits. The app provides education, reminders, and easy-to-understand goals to support m…

This Phase 2 trial tests a new drug called HDY015, which combines two medicines (QCZ484 and inclisiran) into a single injection. The goal is to see if it can safely lower both blood pressure and cholesterol in people who have both conditions. About 120 adults aged 18-75 with hype…

This trial tests whether low-dose colchicine, an anti-inflammatory drug typically used for gout, can reduce stroke risk and artery plaque in people with intracranial atherosclerotic disease (ICAD). ICAD is a leading cause of stroke in Asia, and even with standard treatment, the r…

This study compares two ways to intensify treatment for people with pulmonary arterial hypertension (PAH) who are not doing well enough on standard dual therapy. One group adds a third type of medication (a prostacyclin pathway agent), while the other group increases the dose of …

This trial tests a new implant that slowly releases the glaucoma drug timolol inside the eye. It is for people with open-angle glaucoma or ocular hypertension who are already having cataract surgery. The study compares three doses of the implant against standard timolol eye drops…

This trial tests whether a community health worker-led education program, called Heart Health and Nutrition for Life (HHNL), can help people with high blood pressure lower their numbers. The program covers healthy eating, physical activity, medication adherence, stress reduction,…

This registry tracks 5,000 people with coronary artery disease who receive one of three drug-eluting stents during angioplasty: Biolimus, Everolimus, or Zotarolimus. Researchers will compare rates of heart-related death, heart attack, and repeat procedures over two years. The goa…

This study tests whether a mobile health program—combining home blood pressure monitoring with virtual coaching—can help midlife women control high blood pressure after having had a hypertensive disorder of pregnancy (like preeclampsia). About 50 women who had such a pregnancy 10…

This trial tests whether flushing a stent-graft with carbon dioxide before implanting it in the aorta can reduce the number of tiny air bubbles that travel to the brain during the procedure. These bubbles are a major cause of stroke and silent brain damage in patients undergoing …

This study tests whether a simple isometric wall squat exercise can lower blood pressure in adults with both hypertension and obstructive sleep apnea treated with CPAP. Each participant will complete one session of wall squats and one rest-only session, with blood pressure monito…

This trial compares two single antiplatelet therapies—ticagrelor versus aspirin—in people who have just undergone transcatheter aortic valve implantation (TAVI) for severe aortic stenosis. The goal is to see which drug better prevents serious complications like stroke, heart atta…

This trial tests whether a device called remote ischemic conditioning can safely help lower blood pressure in people with essential hypertension. The treatment involves inflating a blood pressure cuff on the upper arm to briefly stop blood flow, then releasing it, in repeated cyc…

This trial tests whether a diet adapted to Puerto Rican culture can lower the risk of heart disease, type 2 diabetes, and obesity. Researchers will compare culturally tailored nutrition advice—emphasizing traditional healthy foods and limiting unhealthy ones—with standard healthy…

This trial tests whether a 12-week supervised treadmill exercise program can improve blood flow and walking distance in people with peripheral artery disease (PAD). It also explores whether adding nitrate-rich beetroot juice helps those who don't respond to exercise alone. Two hu…

This trial tests whether a digital health tool that uses artificial intelligence can help people with high blood pressure lower their numbers. The AI analyzes daily habits and blood pressure readings to give each person personalized lifestyle suggestions. Researchers will compare…

This trial tests whether using a handgrip device for isometric exercise can lower blood pressure in people with elevated blood pressure or hypertension who are not on medication. Half the participants will use the Zona Plus handgrip device, while the other half will listen to rel…

This trial tests whether a structured physiotherapy program started at least two days before coronary artery bypass grafting (CABG) and continued after surgery can improve recovery in high-risk patients. Participants are adults scheduled for elective CABG who meet at least three …

This pilot trial tests whether using placental tissue analysis from a prior complicated pregnancy can guide treatment with the blood thinner enoxaparin to reduce the risk of recurrent adverse outcomes. The study enrolls women who had a previous pregnancy affected by early deliver…

This study tests a metaverse-based surgical platform that uses extended reality (XR) to help surgeons precisely locate blood vessels during brain bypass surgery. The trial includes 30 adults with moyamoya disease or chronic cerebral ischemia who need an extracranial-intracranial …

This phase 2 trial tests whether pioglitazone, a drug used for diabetes, can improve how cells use oxygen in people with pulmonary hypertension caused by chronic lung disease. Participants take pioglitazone or a placebo daily for 28 days, then switch after a 2-week break. The stu…

This early-stage study tests a new drug called HJB647 in Japanese adults with elevated blood pressure or mild-to-moderate hypertension. The main goal is to check safety and how the drug moves through the body. About 74 participants will receive either HJB647 or a placebo, with do…

This study tests an investigational drug called IMC-003 in 120 adults with pulmonary arterial hypertension (PAH), a serious lung condition that makes the heart work harder. Participants receive multiple injections of the drug or a placebo, alongside their usual treatments. The go…

This study tests whether a structured nutrition counselling program can improve diet, blood sugar, blood pressure, and quality of life in adults who have both type 2 diabetes and hypertension. About 308 participants from 14 hospitals in Ethiopia will either receive six individual…

This study tests whether combining aerobic exercise with strength training helps people recover better after coronary artery bypass graft (CABG) surgery. Participants, aged 30 to 60 and cleared for phase II cardiac rehab, are randomly assigned to aerobic exercise alone or aerobic…

This study tests a new version of the clot-dissolving drug tenecteplase, coated with platelet membranes, to see if it targets blood clots more effectively. Researchers will apply the coated drug to blood clots made from samples taken from people with coronary artery disease and h…

This trial tests whether an experienced doctor's eye, guided by standard X-ray images, can place a heart stent as well as using a special ultrasound probe inside the artery. The study focuses on the left main coronary artery, a critical vessel. All patients receive the same type …

This study will follow up to 250 adults who receive the KONECT RESILIA device, which replaces both the aortic valve and the ascending aorta in one surgery. The goal is to see how safe and effective the device is in real-world use. Participants must have a diseased aortic valve an…

This trial tests whether a 'care champion' — a person who calls patients after they leave the hospital following a heart attack or stent procedure — can help them get their LDL cholesterol to a healthy level. Participants also receive education for their doctors. The study compar…

This trial tests whether colchicine, an anti-inflammatory drug used for gout, can reduce inflammation in the coronary arteries of people with HIV who have high cardiovascular risk. Participants take either colchicine or a placebo daily for 96 weeks, and changes in artery inflamma…

This trial compares two strategies to prevent another stroke in people with severe narrowing of a major brain artery. One group receives a drug-eluting stent (a mesh tube that releases medication to keep the artery open) along with aggressive blood-thinning medication. The other …

This study tests whether an AI-powered digital health platform can help people manage their blood pressure better than support from a human case manager. Adults aged 18 to 75 with high blood pressure use the platform to get reminders, health education, and alerts for abnormal rea…

This trial tests a special catheter that delivers clot-dissolving medication directly into the lung arteries of people with intermediate-risk pulmonary embolism. The goal is to see if this targeted approach can safely treat the clot without needing intensive care or a continuous …

This study tests a program to help new mothers with chronic conditions like high blood pressure, diabetes, or depression transition smoothly from obstetric to primary care after giving birth. The program includes automatically scheduling a primary care visit, sending personalized…

This study tests a stent-graft that doctors modify before use to treat complex aortic aneurysms. It involves 20 high-risk patients who cannot have standard open surgery. The goal is to see if the device is safe and prevents aneurysm growth or rupture.

This study tests whether a mobile health program, including self-measured blood pressure monitoring and help scheduling doctor visits, can lower blood pressure better than usual care. It enrolls adults who have very high blood pressure during a safety-net emergency department vis…

This study is testing the safety and performance of the Navitor TAVI system, a device used to replace a narrowed heart valve (aortic stenosis) without open-heart surgery. About 1,000 participants who are eligible for the procedure will receive the Navitor valve and be followed fo…

This study compares two ways to place stents in the left main coronary artery when there is a blockage at the opening of a branch. One method places a stent only in the blocked branch, while the other extends a stent from the main artery into the branch. Researchers will track 10…

This study tests whether regular phone calls and text messages with lifestyle advice can help adults in Nepal with uncontrolled high blood pressure lower their numbers. Five hundred participants will receive either the mobile health program or usual care for six months. The goal …

This study tests whether a newer drug, finerenone, works better and is safer than the standard drug spironolactone for people with high blood pressure due to primary aldosteronism—a condition where the adrenal glands make too much of the hormone aldosterone. About 104 adults with…

This study tests whether a simple breathing exercise, called Inspiratory Muscle Strength Training (IMST), can safely lower blood pressure in pregnant women during their third trimester. Participants do 5 to 8 minutes of breathing against light or moderate resistance each day for …

This trial compares three cholesterol-lowering treatments—pitavastatin alone, pitavastatin plus ezetimibe, and atorvastatin—to see how they affect blood sugar control in people with heart disease and metabolic syndrome (but not diabetes). The main focus is on insulin resistance a…

This early-stage trial tests a drug called CSL300 (clazakizumab) in 24 Chinese adults with end-stage kidney disease who are on dialysis. The drug is an antibody that blocks interleukin-6, a protein involved in inflammation. The main goal is to see how the drug moves through the b…

This study tests whether doing simple handgrip exercises—squeezing a device for two minutes at a time—can lower blood pressure in people with hypertension. Participants will perform these exercises either two or four times a week for six weeks. The goal is to find the smallest ef…

This trial compares two different dual blood pressure medications in people aged 50–70 with high blood pressure and heart disease who have just received a heart stent. Participants are randomly assigned to one of two drug combinations: losartan plus hydrochlorothiazide or amlodip…

This trial studies two experimental drugs, UIC202601 and UIC202602, designed to treat high blood pressure and high cholesterol. It enrolls healthy adults aged 19 to 55 to see how the drugs interact when taken together, focusing on safety and how the body processes them. Participa…

This trial tests whether intermittent dietary restrictions—either low-carb or calorie-restricted diets on two days per week—can reverse early signs of heart and metabolic problems in school-aged children aged 7 to 18. Participants have at least one risk factor like prediabetes, a…

This trial compares two blood thinners—rivaroxaban (Xarelto) and warfarin—in children over 2 years old who have giant coronary artery aneurysms caused by Kawasaki disease. The goal is to see if rivaroxaban is safer and as effective as warfarin at preventing blood clots, major ble…

This study tests whether using a computer simulation (virtual stenting) before placing stents in heart arteries can lead to better outcomes than the usual method guided by X-ray images alone. About 1,472 adults with coronary artery disease will be randomly assigned to either the …

This study looks at people with narrowed carotid arteries who are getting a stent. Some people do not respond well to the common blood thinner clopidogrel. The study compares giving these 'non-responders' a different drug, ticagrelor, versus continuing clopidogrel in those who re…

This trial investigates whether pioglitazone, a drug used for diabetes, can help protect the kidneys in people with ANCA-associated vasculitis—a rare autoimmune disease that causes inflammation of blood vessels, often damaging the kidneys. Participants receive either pioglitazone…

This study looks at how well different drug-eluting stents work in real-world patients with coronary artery disease. Researchers are comparing newer stents to older ones to see which are safest and most effective. The study includes up to 50,000 people who need a stent to open bl…

This study will give 800 pregnant women biweekly food kits with fruits, vegetables, and other healthy foods to see if it improves their diet and pregnancy outcomes. Participants will be followed from early pregnancy through birth. The goal is to learn whether providing healthy fo…

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

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

This early-stage trial compares a new investigational drug, CG-0255, to the established blood thinner Plavix in 136 healthy adults aged 18-55. The goal is to see if CG-0255 is processed by the body similarly to Plavix and has the same effect on preventing blood clots. Participant…

This phase 3 trial tests whether a shorter, lighter course of corticosteroids (28 weeks) works as well as the standard longer course (52 weeks) for giant cell arteritis, a condition that inflames blood vessels. The study aims to reduce side effects from long-term steroid use. 150…

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 is tracking 2,000 people with coronary artery disease who receive Ultimaster stents during routine care. Researchers want to see how often serious heart problems like death, heart attack, or the need for another procedure happen within a year. The goal is to understand…

This trial tests a 12-week home-based digital cardiac rehabilitation program for people with coronary artery disease. It aims to improve heart health, reduce hospital visits, and enhance quality of life, especially for older adults, women, and those with other health issues. The …

This study is testing a new heart stent called Coroflex ISAR NEO in 1,000 people with narrowed heart arteries. The goal is to see how safe and effective it is compared to other stents in everyday medical practice. Researchers will track major heart problems like death, heart atta…

This study tests a procedure called pulmonary artery denervation (PADN) for people who still have high blood pressure in their lung arteries after a mitral valve repair. The procedure uses a catheter to deliver radiofrequency energy to specific nerve points in the main pulmonary …

This phase 3 trial tests TFC-003, a new eye drop, in 188 adults with primary open-angle glaucoma or ocular hypertension. Participants use the drops twice daily for up to 24 weeks. The main goal is to see if TFC-003 lowers eye pressure better than an active control. The study is c…

This study tests a decision aid—a tool that provides information and goal-setting exercises—to help women who had high blood pressure during pregnancy take steps to protect their heart health after childbirth. The goal is to improve engagement in preventive care like blood pressu…

This study tests whether adding an implantable cardioverter defibrillator (ICD) to standard medication helps people with variant angina who have survived a sudden cardiac arrest. About 140 adults will be randomly assigned to get either an ICD plus medication or medication alone. …

This study tests whether using artificial intelligence (AI) to analyze ultrasound images during heart stent placement can reduce future heart problems. About 3,000 adults with coronary artery disease will receive a stent guided by AI-enhanced intravascular ultrasound. Researchers…

This study tests whether doing wall squat exercises for 14 minutes, three times a week, can lower blood pressure and slow the buildup of plaque in arteries. Researchers will compare 100 people doing the squats with 100 people doing gentle stretching, all with high blood pressure.…

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

This trial investigates whether 16 weeks of yoga—including breathing, postures, relaxation, and meditation—can improve blood pressure, heart health, mental well-being, and thinking skills in adults aged 40 and older with high blood pressure. Participants are randomly assigned to …

This phase 3 trial tests whether a preservative-free version of bimatoprost eye drops works as well as the standard Lumigan drops for lowering eye pressure. About 600 adults with primary open-angle glaucoma or ocular hypertension in both eyes will receive either the new formulati…

This study tests whether a home-based cardiac rehab program delivered through a mobile app can reduce plaque buildup in the heart arteries of people with mild to moderate blockages. 176 participants will either get the app-based program (with exercise plans, diet advice, and ment…

This study looks at whether the diabetes drug dapagliflozin can improve how well the right side of the heart works after off-pump coronary bypass surgery. Researchers will measure heart function in 72 patients with weak hearts before and after 6 months of taking the drug. The goa…

This study tests an experimental drug called SAL0140 in people whose high blood pressure remains high despite current treatments. About 252 adults aged 18-75 with uncontrolled hypertension will receive either the drug or a placebo for 12 weeks. The goal is to see if SAL0140 safel…

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

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

This study tests whether adding a PCSK9 inhibitor (Recaticimab) to standard statin therapy can reverse plaque buildup in brain arteries of people with asymptomatic intracranial atherosclerosis. About 300 participants will receive either the drug combo or statins alone for 24 week…

This study tests a special stent called PK Papyrus to repair holes (perforations) that can happen in heart arteries during procedures. About 41 people with such tears will receive the stent. The goal is to see how safe and effective it is at sealing the artery and preventing comp…

This pilot study tests whether a sleep health program designed for couples can improve sleep and blood pressure. Fifty couples will take part in an 8-week program that includes sleep education, coaching, and a Fitbit to track sleep. The goal is to see if working together as a tea…

This study tests a health coaching program called STAR-MAP to help older adults (age 40+) with high blood pressure take their medication regularly. About 402 participants with uncontrolled blood pressure and low medication adherence will be recruited through a Louisiana health in…

This study tests whether adding evolocumab, a cholesterol-lowering drug, to standard care can slow or stop plaque buildup in heart arteries after a heart attack. About 233 adults aged 40-75 who recently had a heart attack or unstable angina will receive either evolocumab plus sta…

This study tests whether using a tiny ultrasound camera inside the leg arteries during a procedure to open blockages can prevent major problems like amputation or the artery narrowing again. About 772 adults with severe peripheral artery disease (chronic limb-threatening ischemia…

This study tests whether a program called BETTER can help pregnant women have healthier births. The program includes a one-on-one coaching session and regular text messages to help women connect with resources for housing, food, and transportation. Researchers will compare outcom…

This study tests whether using HEPA air filters at home can slow the progression of heart disease in adults aged 65-84 who have a history of ischemic heart disease. Over 112 participants in Los Angeles will use real or sham filters for several months, and researchers will measure…

This study compares two common blood pressure medications, labetalol and nifedipine, in 110 new mothers with postpartum hypertension. The goal is to see which drug controls blood pressure better and reduces the need for ongoing medication beyond six weeks after delivery. Particip…

This study looks at whether giving older adults with high blood pressure practical advice and air cleaners can reduce their exposure to heat and air pollution. About 100 people aged 65 and older from Barcelona and Nicosia will take part. They will wear sensors to track temperatur…

This study is tracking 3000 people with high blood pressure who have been treated with the Paradise Ultrasound Renal Denervation System, a device that uses ultrasound to calm overactive kidney nerves. The goal is to see how safe and effective the treatment is over many years by m…

This study tests whether giving hyperbaric oxygen therapy (breathing pure oxygen in a pressurized chamber) soon after emergency clot removal can improve recovery in people with severe stroke. Researchers plan to enroll 420 adults aged 18–80 who had a large-vessel blockage stroke …

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 tests whether Yufeng Ningxin, a traditional Chinese medicine, can safely lower blood pressure in adults with mild hypertension. About 350 people aged 18-65 with untreated or washed-out high blood pressure will receive either the herbal tablet or a placebo for 8 weeks. …

This study enrolls 864 Black adults with uncontrolled high blood pressure to see if a home monitoring program with pharmacist and community health worker support works better than usual clinic care. Participants will either get a home BP monitor plus remote medication management …

This study looks at whether it is safer to stop or continue taking direct oral anticoagulants (blood thinners) during planned heart procedures like angiography or stent placement. About 1,270 adults with atrial fibrillation and coronary artery disease will be randomly assigned to…

This study tests whether a personalized blood-thinning plan, guided by a blood test, can prevent dangerous blood clots better than the standard one-size-fits-all approach in people with peripheral artery disease who have had leg surgery. About 484 adults will be randomly assigned…

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 trial tests a special cannula that captures debris during high-risk heart valve surgery. The goal is to see if it reduces the chance of stroke, kidney injury, and delirium. About 842 patients aged 60 and older will be randomly assigned to receive either the new device or a s…

This study tests whether dapagliflozin, a diabetes medication, can slow or reverse plaque buildup in the heart arteries of people with type 2 diabetes. About 144 adults with stable heart disease will take either the drug plus standard care or standard care alone for 18 months. Re…

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

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

This study tests whether the antibiotic minocycline can improve recovery in people who have had a major stroke and undergone a procedure to remove a blood clot from a large brain artery. Even when the clot is successfully removed, many patients still have significant disability. …

This study looks at whether the heart medication Camzyos (Mavacamten) can improve blood flow to the heart muscle in people with hypertrophic obstructive cardiomyopathy (HOCM). Researchers will use special PET-CT scans to measure blood flow before and after 12 months of treatment.…

This study tests whether adding the antibiotic minocycline to standard stroke treatment can improve recovery in people who had a severe stroke in the back of the brain. After a clot is removed, brain inflammation can limit healing. Minocycline may reduce that inflammation. The tr…

This study compares two approaches for low-risk patients with small blood clots in the lungs (isolated subsegmental pulmonary embolism). Half will receive standard blood-thinning medication (rivaroxaban), while the other half will get a placebo and be closely monitored. The goal …

This study tests whether adding Qishen Yiqi Dropping Pills, a Chinese herbal medicine, to standard therapy can improve exercise ability and quality of life in 120 adults with severe pulmonary hypertension. Participants will be randomly assigned to receive either the herbal pills …

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

This early-phase study aims to see if a natural substance called angiotensin-(1-7) can improve how the body uses insulin in people with obesity, insulin resistance, and high blood pressure. About 26 adults aged 18-60 will receive the peptide or a placebo infusion, and researchers…

This study is testing whether a year-long program of daily blueberries, protein powder, and three weekly exercise sessions can reduce frailty and lower the risk of heart disease in older adults. Researchers will enroll 240 people aged 65 and older in Nova Scotia. The goal is to s…

This study looks at whether royal jelly, a substance made by bees, can reduce inflammation and oxidative stress in people with high blood pressure. Researchers will give 34 participants royal jelly or a placebo for two months and measure changes in blood markers. The goal is to s…

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 study tests whether taking propolis and royal jelly supplements for two months can reduce inflammation and oxidative stress in people with high blood pressure. Researchers will measure inflammatory markers in blood samples from 48 participants. The goal is to see if these na…

This study tests a new type of heart stent that dissolves over time, unlike permanent metal stents. The trial will enroll 117 people with stable coronary artery disease to see if the new stent, placed with special imaging guidance, works safely and effectively. The goal is to red…

This large trial in New Taipei City will test whether a mobile digital health platform with interactive modules helps people better control high blood pressure, high blood sugar, and high cholesterol. It will also compare taking blood pressure medication at night versus in the mo…

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

This study is testing whether taking green propolis extract and royal jelly together can reduce inflammation and oxidative stress in people with high blood pressure or chronic kidney disease. Over two months, 153 participants will take capsules of the supplements or a placebo. Re…

This pilot study tests whether canagliflozin, a diabetes medication, can reduce inflammation in the arteries of people with type 2 diabetes and stable coronary artery disease. Researchers will compare the drug to a placebo over 6 months in 16 participants. The main goal is to mea…

This study tests a new radioactive tracer called 18F-FAPI-74 that may help detect scar tissue (fibrosis) in the heart and lungs earlier than current methods. Researchers will compare this new PET/CT scan to standard imaging in 210 adults with conditions like lung disease or heart…

This study is testing new, lower-radiation CT scan methods for taking pictures of the heart and blood vessels. Researchers want to see if these scans are accurate at finding blocked arteries and predicting future heart problems like heart attacks. About 5,000 adults who need a he…

This study is testing whether a new type of CT scan, called photon-counting CT, can do it all in one go for people who have had a coronary stent placed. The scan aims to check the stent and arteries, measure blood flow to the heart muscle, and assess heart function in a single ex…

This study compares two types of CT scans for imaging the buildup of plaque in the carotid arteries, which supply blood to the brain. The newer photon-counting detector CT (PCD-CTA) will be compared with the standard energy-integrating detector CT (EID-CTA) in 100 people with car…

This Phase 3 trial tests whether a new contrast agent called gadopiclenol works as well as the standard agent (Dotarem) for MRI scans to find blocked arteries in the neck, legs, or abdomen. About 315 adults with suspected vascular disease will receive both agents in random order …

This study is testing a chest-patch that uses light to measure blood pressure without a traditional arm cuff. Researchers will compare its readings over 24 hours to the standard cuff-based method in 600 adults with or without high blood pressure. The goal is to see if the patch i…

This study will check how common peripheral artery disease (PAD) is in people who need surgery for lumbar spinal stenosis (LSS). Both conditions can cause leg pain, making PAD hard to spot. Researchers will use a special CT scan to find PAD and compare it with simpler tests like …

This study looks at 200 adults who have had an ischemic stroke or transient ischemic attack (TIA). Each participant will receive two types of imaging: a non-contrast magnetic resonance angiography (NC-MRA) and a carotid Doppler ultrasound. The goal is to see how well these two me…

This study explored whether a special type of MRI using inhaled xenon gas could detect changes in the small blood vessels of the lungs in people with pulmonary hypertension. The goal was to see if this imaging method could track disease progression or response to treatment. Howev…

This observational study is testing whether a combination of non-invasive measurements—including blood pressure monitoring, ultrasound, blood and urine tests, and a light-based technique called photoplethysmography—can detect early damage to blood vessels and organs in adults at …

This study is testing whether a noninvasive imaging technique called pulsatile electrical impedance tomography (EIT) can accurately diagnose acute pulmonary embolism — a life-threatening blood clot in the lungs. Researchers will compare EIT readings with standard CT scans in 275 …

This study tests whether an artificial intelligence (AI) tool that analyzes a simple ECG can help doctors find undiagnosed pulmonary hypertension (high blood pressure in the lungs) in people with interstitial lung disease. About 900 adults with severe lung scarring will be random…

This study aims to create a non-invasive diagnostic algorithm using PET imaging and CT scans to identify microvascular angina in patients who have chest pain and signs of ischemia but no blocked coronary arteries. About 70 participants with symptoms of angina or shortness of brea…

This trial investigates whether an ultrasound of the neck arteries can provide similar information to a CT scan of the heart for diagnosing blocked arteries in people with chest pain. Currently, CT scans are used but involve a small amount of radiation. The study will compare the…

This study investigates whether a blood test measuring clotting and clot-busting markers can predict complications in patients undergoing aortic valve replacement. Researchers will follow 750 adults with aortic stenosis who receive either surgical or catheter-based valve replacem…

This study is developing and testing an artificial intelligence (AI) model to help diagnose a specific type of stroke called branch atheromatous disease (BAD)-related stroke. BAD strokes are hard to identify because symptoms are not specific, and diagnosis requires combining clin…

This study tests whether a quick, routine ultrasound measurement (called the resistance index) can accurately identify people with narrowed neck arteries who have normal brain blood flow response. If it works, many patients could avoid a time-consuming, specialized test. The stud…

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 a magnetocardiography (MCG) device can detect reduced blood flow to the heart muscle in people with acute chest pain but no major artery blockages. About 3,786 participants will undergo MCG scanning, and results will be compared to a standard ultrasound t…

This study is testing whether artificial intelligence (AI) can predict or rule out a heart attack using data from standard blood tests. Researchers will analyze white blood cell properties from over 3,000 adults who come to the hospital with chest pain. The goal is to see if AI c…

This study is testing whether a digital stethoscope, combined with artificial intelligence, can detect two serious conditions: high blood pressure in the lungs (pulmonary hypertension) and a weak heart pump (low ejection fraction). About 3,850 adults will have their heart sounds …

This study is testing whether a thin wire that measures blood flow in heart arteries can help doctors decide which blockages truly need a stent. About 107 people with severe-looking blockages will have the wire test before and after stent placement. The goal is to see if some blo…

This study compares two types of CT scans—PET/CT and ultra-high-resolution CT—to see which one better detects early signs of coronary artery disease in people with symptoms like chest pain. Researchers will measure the amount of plaque in the arteries and check how accurately eac…

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 tests a wearable ring that measures blood pressure, comparing it to the standard 24-hour monitor in 100 people with heart failure and reduced pumping ability. The goal is to see if the ring is accurate and easy to use. If successful, it could make blood pressure tracki…

This study is testing whether a simple bedside heart ultrasound can help predict which emergency patients with a pulmonary embolism (a blood clot in the lung) are likely to have serious complications within the next few days. Researchers will perform the ultrasound on 250 patient…

This study is testing whether a computer program (machine learning) can help doctors diagnose severe heart attacks in patients who have a heart condition called left bundle branch block (LBBB). LBBB can hide the usual signs of a heart attack on an ECG, making it hard to tell if a…

This study tests whether the Withings BPM Pro 2, an automatic blood pressure cuff, gives accurate readings for pregnant women, including those with high blood pressure or pre-eclampsia. About 45 participants will have their blood pressure measured with both the device and a stand…

This study tests whether a new software-based method called Angio-IMR can diagnose coronary microvascular disease (blockages in tiny heart arteries) as accurately as the current standard test that uses a pressure wire inside the artery. About 192 adults with stable chest pain or …

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 a new blood test called the MaiRa Preeclampsia Test to see if it can accurately predict preeclampsia early in pregnancy. Preeclampsia is a serious condition that can harm both mother and baby. The test looks at genetic material in the mother's blood to ident…

This study is looking for markers in blood and saliva that can quickly tell if a person is having a stroke, and what kind. Researchers will collect samples from 650 adults with suspected stroke within 24 hours of symptoms. The goal is to develop a fast, accurate test to help emer…

This study tests whether taking progesterone early in pregnancy can prevent preeclampsia, a condition that causes high blood pressure and organ damage. Over 600 low-risk pregnant women will either receive nightly vaginal progesterone or standard care. Researchers will track who d…

This study looks at whether patients and doctors in a family planning clinic find it acceptable to discuss and start PrEP, a daily pill that prevents HIV. About 83 English- or Spanish-speaking patients aged 16 and older, along with their doctors, will take part. Patients will rec…

This trial tests whether a single polypill combining three medications—finerenone, empagliflozin, and losartan—can help prevent heart failure and maintain exercise capacity in people with type 2 diabetes who are at high risk. Participants will take either the polypill or the same…

This study looks at whether a diet rich in whole white potatoes can improve blood sugar control and blood pressure in adults aged 50-70 who are at risk for type 2 diabetes. Participants will eat either a potato-rich healthy diet or a typical Western diet for 12 weeks. Researchers…

This trial tests whether taking a low-dose aspirin pill every day for six weeks after delivery can prevent dangerous blood clots in the legs or lungs as effectively as the standard daily heparin injections. The study enrolls people who have given birth and have one or more risk f…

This trial compares two blood-thinning drugs—aspirin and cilostazol—to see which one better prevents major heart and blood vessel events in people with type 2 diabetes who are already at high risk. About 1,200 participants will be randomly assigned to take one of the two medicati…

This trial tests whether starting intensive blood pressure medication soon after childbirth can prevent chronic hypertension in women who had preeclampsia. Participants are randomly assigned to receive nifedipine ER when their blood pressure reaches different thresholds during th…

This trial looks at whether pregnant women at high risk for preeclampsia can safely stop taking daily aspirin at 24-28 weeks instead of continuing until 36 weeks. Around 300 women will be randomly assigned to either stop or continue aspirin. The goal is to see if stopping early l…

This study is testing whether a home-based screening kit can identify hidden heart risks better than standard doctor visits. 45,000 adults in Sweden aged 50-75 will either receive a home blood pressure monitor, a finger-prick blood test, and a health questionnaire, or continue wi…

This study compares two different doses of vitamin D3 supplements in pregnant women who have low vitamin D levels. The goal is to see if a higher dose (50,000 IU every two weeks) is better than a lower dose (5,000 IU weekly) at preventing preeclampsia, a serious pregnancy complic…

This study tests whether giving the flu vaccine to heart patients just before they leave the hospital can lower their risk of infections, heart problems, and death in the next 6 months. About 400 adults hospitalized for serious heart conditions will be randomly assigned to get th…

This study tests whether using a carotid ultrasound (a neck scan) to find hidden plaque in arteries can help prevent heart attacks and strokes in people with inflammatory rheumatic diseases like rheumatoid arthritis or lupus. About 1,944 participants aged 50 and older will be spl…

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 whether daily leg heat therapy can improve walking ability and quality of life in people with peripheral artery disease (PAD). About 106 adults over 50 with PAD will use special heated trousers for 90 minutes a day at home for 12 weeks. Researchers will measure c…

This study tests a once-daily pill called orforglipron in about 1205 people with peripheral artery disease (PAD) who have leg pain when walking. The goal is to see if the drug helps them walk farther without pain and improves their quality of life. Participants will be followed f…

This study compares two methods of releasing a tourniquet (a tight band that stops blood flow) during arm surgery in patients with high blood pressure. The goal is to see which method causes less of a sudden drop in blood pressure. The trial will include 68 adults whose blood pre…

This study compares two types of nerve blocks (ESPB and SPSIPB) to see which provides better pain relief after coronary artery bypass surgery. About 64 adults aged 45-85 will receive one of the blocks before surgery, and their pain levels, opioid use, and recovery speed will be t…

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

This study tests whether a personalized exercise program—focusing on the specific leg muscles affected by blocked arteries—can help people with peripheral arterial disease walk longer distances without pain. Participants are randomly assigned to either a tailored muscle-strengthe…

This pilot study tests whether a 12-week home-based exercise program using a small pedal exerciser can help people with moderate-to-severe peripheral artery disease (PAD) walk farther and feel better. Twelve adults with severe PAD will be randomly assigned to either the home exer…

This study tests whether combining progressive muscle relaxation and guided imagery can lower stress, anxiety, and depression in people with stable coronary artery disease. Forty adults will be split into two groups: one gets eight sessions of these mind-body techniques over four…

This study is testing a mobile health app called Moms@Home to help pregnant women with high blood pressure monitor their readings at home. About 100 women with gestational or chronic hypertension will use the app and share their home blood pressure data. The goal is to see if the…

This study tests whether a 3-month pulmonary rehabilitation program (20 sessions of exercise and education) can improve quality of life and reduce breathlessness in people who have had a pulmonary embolism. Researchers will enroll 112 adults who still have symptoms at least 3 mon…

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

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

This study looks at whether drinking beetroot juice every day for 12 weeks can help postmenopausal women get more heart and blood vessel benefits from exercise. The researchers will compare two groups of women doing the same exercise program—one group gets real beetroot juice, th…

This study tests a new, pain-free exercise program for people with peripheral artery disease (PAD), which causes leg pain when walking. Researchers will compare it to standard painful exercise over 3 months in 100 adults aged 40 and older. The goal is to see if the pain-free prog…

This study tests whether taking cocoa flavanols daily for six months can improve walking distance in people aged 55 and older with peripheral artery disease (PAD), a condition that causes leg pain and limits mobility. Researchers will compare a cocoa flavanol supplement to a plac…

This study tests whether a simple handgrip exercise can safely lower blood pressure and improve thinking skills in pregnant women with and without chronic hypertension. Thirty pregnant women will either perform short handgrip squeezes or rest quietly, and researchers will measure…

This study compares two breathing techniques—segmental breathing and active cycle breathing—against standard care for people recovering from open heart surgery. Researchers want to see which method best improves oxygen levels, breathing rate, and shortness of breath. The trial wi…

This study tests whether giving a set of nerve blocks (injections of numbing medicine) right after anesthesia but before surgery can reduce pain and the need for opioid painkillers after coronary artery bypass grafting. 56 adults scheduled for elective bypass surgery will be rand…

This study tests whether diaphragmatic breathing exercises can reduce heart rate, blood pressure, and dizziness in pregnant women with Postural Orthostatic Tachycardia Syndrome (POTS). 44 pregnant women will be split into two groups: one doing breathing exercises, the other recei…

This large observational study in Mali is following up to 15,000 pregnant women and children to understand why some get malaria and others don't. Researchers are looking at immune responses, parasite features, and other factors that influence infection and disease severity. The g…

This study is testing a new type of MRI scanner that uses less energy than standard machines. The goal is to see if it can still take clear pictures of the heart, which could help people with metal devices in their body. Healthy volunteers and people with heart disease will have …

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 natural history study follows 270 adults with pulmonary arterial hypertension (PAH) and healthy volunteers to track how the disease changes over time. Researchers will use blood tests, heart and lung imaging, and a six-minute walk test to find new markers of disease severity…

This study follows up to 4,000 people with vasculitis (a group of diseases that cause blood vessel inflammation) and healthy volunteers over many years. Researchers collect blood, urine, imaging, and genetic samples to learn how the disease develops and changes. The goal is to fi…

This study looks at how obesity and body fat affect heart disease risk in 2,000 healthy African American men and women. Researchers will measure body fat, blood fats, and insulin function to see if risk factors differ by sex. The goal is to understand why heart disease rates are …

This study looks at how certain white blood cells, called monocytes, react to injury from a heart attack or ischemic stroke. Researchers want to learn how these cells sense danger signals and produce substances that might help heart muscle and brain tissue heal. The study involve…

This study follows up to 3,500 people with sickle cell disease to learn more about how the condition progresses and what complications arise. Participants receive their usual medical care outside the hospital and visit the clinic for check-ups and research tests. No experimental …

This study is testing a smart device called CONNECTDROP® that clips onto eye drop bottles to track how often glaucoma patients use their medication. About 200 adults with open-angle glaucoma will use the device and a smartphone app for one year. The goal is to see if the technolo…

This study explores whether a simple, radiation-free scan of the nailbeds—called nailfold capillaroscopy—can help diagnose and monitor pulmonary hypertension (PH), a condition of high blood pressure in the lungs. Researchers will compare nailbed blood vessel measurements with inv…

This study investigates why arteries stiffen and harden faster in children and young people with chronic kidney disease (CKD) and high blood pressure. Researchers will use non-invasive tests to compare arterial stiffness between those with CKD and matched controls, including heal…

This study tests whether simple reminders—called nudges—sent to doctors and patients can increase the use of genetic testing for people with certain conditions like Parkinson's disease, ALS, or heart problems. The trial will compare different ways of prompting genetic testing, su…

This study looks at how partial sleep deprivation affects blood pressure in healthy young adults whose parents have high blood pressure compared to those whose parents have normal blood pressure. Participants will spend 10 days in a sleep lab, with some nights allowing only 5 hou…

This study looks back at the medical records of 1,000 people with coronary artery aneurysms—bulges in the heart's blood vessels. Researchers want to understand how these aneurysms change over time, what factors increase the risk of progression, and whether different treatment str…

This study tracks 500 adults with stable coronary artery disease or unstable angina who are undergoing a heart procedure called percutaneous coronary intervention (PCI) using a drug-coated balloon. Researchers are looking at how procedural details—specifically how long the balloo…

This study collects blood and urine samples from healthy adults and patients with heart, lung, or blood vessel conditions. Researchers will use these samples to study genes, proteins, and other substances in the lab. The goal is to support basic and translational research that co…

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 tests whether a wearable Holter monitor can detect early signs of fainting in people with orthostatic hypotension or reflex syncope. Forty adults who have already had a tilt-table test will wear the monitor for up to 21 days. The goal is to see if the device can pick u…

This study looks at whether a special CT scan (CT-FFR) can help doctors predict heart attacks and other serious events in people with chronic coronary syndrome. About 3,000 participants in China will be followed for up to 5 years. The goal is to see if abnormal CT-FFR results are…

This study is creating a decision aid for people with a rare heart condition called right anomalous aortic origin of a coronary artery (R-AAOCA). The condition raises the risk of sudden cardiac death, but the best management—surgery or careful observation—isn't clear. The aid wil…

This registry will follow 1000 adults with pulmonary embolism (blood clots in the lungs) who are treated with Inari Medical devices. Researchers will track device-related complications and deaths to understand how safe these tools are in everyday use. The study is observational, …

This study is an early-stage trial to check the safety of a new drug called RO7763505. It involves 196 participants, first in healthy volunteers and then in people with stable coronary artery disease. The main goal is to see if the drug is safe and how the body processes it, not …

This study surveys doctors who use the Liberant system to remove fresh blood clots from leg arteries and veins. About 50 patients aged 22 or older will be treated within 72 hours of their procedure. The goal is to confirm the device is safe and works as intended.

This study explores whether a measure called perfusion index (PI), taken from a pulse oximeter on the ear, finger, or toe, can reliably predict changes in blood pressure in people with spinal cord injury (SCI) during a cool temperature challenge. Participants with SCI and healthy…

This study looks at whether a simple, non-invasive measure called the perfusion index (PI) can predict a sudden drop in blood pressure (hypotension) that often happens during spinal anesthesia for knee surgery. The PI, measured with a standard pulse oximeter on the finger, reflec…

This study tests whether it is possible to run a larger trial comparing two ways of using a breathing machine (ventilator) in critically ill heart patients who need help breathing. The two modes are volume-controlled (delivers a set amount of air each breath) and pressure-control…

This study aims to learn more about rare disorders that affect how the body processes chemicals called pyrimidines and purines. These disorders can cause problems in the brain, blood, kidneys, and immune system, ranging from mild to life-threatening. Researchers will compare test…

This study looks at whether advanced imaging can detect a hidden heart condition called cardiac amyloidosis in people with severe aortic valve stenosis. The condition can complicate treatment and recovery. Researchers will use echocardiography, CT, and SPECT/CT scans to check for…

This study looks at how blood pressure changes when standing affect thinking and brain blood flow in people with Parkinson's disease. About 60 participants, with and without orthostatic hypotension (low blood pressure on standing), will take thinking tests while lying down and st…

This study looks at how the body's innate immune system responds to certain environmental exposures by measuring inflammation markers in blood. Researchers will collect blood samples from up to 725 healthy volunteers aged 18-45 to analyze how specific genes and proteins react. Th…

This study investigates whether high-resolution MRI can identify dangerous plaque features in the middle cerebral artery that might predict a second stroke. Researchers will follow 75 patients who had a first stroke due to significant narrowing of this artery, tracking which plaq…

This study looks back at medical records of 105 people who had a minimally invasive surgery called BEVAR to treat complex aortic aneurysms. Researchers want to see if two types of stent grafts (TUVA BX and iCover) are safe and work well. No new treatments are given; the study jus…

This study will compare two types of heart-lung machines used during coronary bypass surgery to see how they affect blood flow to the brain. Researchers will measure brain pressure using an eye ultrasound and brain oxygen levels with a forehead sensor in 70 patients. The goal is …

This study looks at whether stopping certain blood pressure medications (ACE inhibitors or ARBs) before colorectal cancer surgery can reduce the risk of heart injury. Researchers will monitor 156 adults for signs of heart damage after surgery. The goal is to find the safest way t…

This study is testing new magnetic resonance imaging (MRI) techniques to get clearer pictures of the heart and blood vessels without using radiation. Researchers will compare these new MRI methods to standard tests like angiography and CT scans. Up to 4,000 adults—including healt…

This study investigates whether certain progesterone receptors in the placenta are linked to preeclampsia, a serious pregnancy condition marked by high blood pressure. Researchers will compare placental tissue from women with preeclampsia to that from healthy pregnant women, meas…

This study aims to find the genetic causes of primary aldosteronism, a condition where adrenal tumors cause high blood pressure, in Black individuals. Researchers will enroll 1150 participants, including those with difficult-to-control blood pressure or known primary aldosteronis…

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 is collecting blood samples and health data from 15,000 symptom-free adults over 40 to understand what healthy aging looks like at the molecular level. By tracking participants over time, researchers hope to establish normal ranges for thousands of blood markers and id…

This study explores whether work-related frustration and stress are linked to higher-risk blood pressure patterns, such as masked or white-coat hypertension. Researchers will monitor the blood pressure of working adults aged 40 to 65 over 24 hours and compare it with their percei…

Women who had preeclampsia are at higher risk for both depression and heart disease later in life. This study investigates whether antidepressant medication can improve blood vessel function in these women. Researchers will measure skin blood vessel responses in 40 women, compari…

This study examines whether a structured cardiac rehabilitation program — including exercise, education, and lifestyle changes — can influence ferroptosis, a form of regulated cell death, in people with coronary artery disease. Researchers will compare gene expression and blood m…

This study tests whether measuring the optic nerve sheath diameter with ultrasound can predict post-dural puncture headache (PDPH) in women undergoing elective cesarean delivery under spinal anesthesia. Researchers will also monitor brain oxygen levels to see if drops in oxygen r…

This study investigates whether microscopic particles shed from blood vessels, called endothelial extracellular vesicles, can serve as early warning signs of blood vessel damage in children with newly diagnosed, untreated high blood pressure. Researchers will compare these partic…

This study investigates whether testicular cancer survivors who received cisplatin-based chemotherapy and bone marrow transplant have hidden heart disease that standard checkups might miss. Researchers will use advanced blood tests and CT scans to measure cholesterol, plaque in t…

This study looks at whether tiny particles shed from blood vessels, called endothelial extracellular vesicles, can serve as early warning signs for hypertensive disorders of pregnancy, such as preeclampsia. Researchers will compare levels of these particles in pregnant women with…

This study compares levels of tiny particles shed from blood vessels in people with newly diagnosed, untreated high blood pressure versus those with normal blood pressure. Researchers want to see if these particles can serve as early, non-invasive markers of blood-vessel injury. …

This study tests whether a machine learning model can predict the outcome of a common heart procedure — placing a stent to open a hardened, calcified artery. Researchers will measure blood flow and pressure before and after the procedure in 100 adults with coronary artery disease…

This study examines whether the duration a patient spends on cardiopulmonary bypass (heart-lung machine) and with the aorta clamped during coronary artery bypass surgery is linked to how long they stay in the intensive care unit afterward. Researchers will review medical records …

This study is a large registry that collects data from thousands of patients across Asia who have undergone transcatheter aortic valve replacement (TAVR) for severe aortic stenosis. Researchers will analyze medical records to see how well the valves perform over time and what fac…

This study tracks how fast the 'halo sign' — a key ultrasound marker of inflamed arteries — disappears after starting steroid treatment in people with giant cell arteritis, a rare disease that can cause blindness. Researchers will scan the temporal arteries of 64 newly diagnosed …

This study looks at whether special MRI scans can help predict which people with severe narrowing of brain arteries (70-99% stenosis) are most likely to have another stroke. Participants have already had a minor stroke and are enrolled in a larger treatment trial. They will get a…

This study follows 100 people who had heart bypass surgery guided by a special CT scan, to see if imaging details and a blood fat called Lp(a) can predict how well they do afterward. Researchers will track symptoms, quality of life, and major heart events like heart attacks or st…

This observational study will follow 2,352 adults with coronary heart disease to see how factors like blood sugar, sleep, and heart imaging relate to thinking and memory problems. Participants will take memory tests and undergo scans and blood work during a hospital stay. The goa…

This study follows people with chronic thromboembolic disease (CTD) or chronic thromboembolic pulmonary hypertension (CTEPH) — conditions where blood clots scar the lungs' blood vessels. Researchers track survival, exercise ability, oxygen use, and quality of life over time using…

This study checks how well a non-invasive blood pressure cuff matches the readings from an arterial line, the current gold standard. Adults aged 18 and older who already have an arterial line as part of their care may join. The goal is to see if the cuff-based device can provide …

This study measures how common heart disease, diabetes, obesity, and infections like dengue and COVID-19 are among adults in La Reunion. Researchers will also look at possible risk factors, including gut bacteria, genetics, and social conditions. Participants provide blood, DNA, …

This study tests a new monitoring tool called the Cerebral Adaptive Index (CAI) that may help doctors set personalized blood pressure targets during heart surgery. The tool tracks brain blood flow in real time. Researchers will observe 120 adults aged 45 and older who are at high…

This study is testing a new non-invasive blood pressure device that uses a cuff and special algorithm to measure blood pressure. Researchers will compare its readings to those from an arterial line, which is the most accurate method but requires a needle in an artery. The study i…

This study tests a new non-invasive blood pressure (NIBP) device in newborns and children up to 18 years old. The device uses a cuff on the arm or thigh to measure blood pressure without needles. Researchers compare these readings to standard invasive measurements to see how accu…

This study explores whether a small accelerometer worn on the thigh can objectively measure how well treatments work for neurogenic orthostatic hypotension—a condition causing dizziness and fainting upon standing. Participants wear the device for one week on placebo and one week …

This study explores whether a thermal imaging camera can detect changes in blood flow to the legs after a procedure to reopen blocked arteries. Researchers will compare temperature readings from the camera with standard ankle-brachial index measurements in 25 people with severe p…

This study compares two eye drop treatments—latanoprost alone versus a combination of netarsudil and latanoprost (Rocklatan)—to see if the combination improves blood flow in the veins around the eye. Researchers will use special imaging techniques to measure blood flow in adults …

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

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

This study looks at whether home blood pressure readings can correctly identify different types of high blood pressure (like masked or white coat hypertension) in children aged 6 to 18. Researchers will compare home measurements to 24-hour ambulatory monitors in 52 kids referred …

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

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

This study looks at how ANCA-associated vasculitis affects the eyes. Researchers will use a special imaging test called OCT angiography to examine blood vessels in the eyes of 70 participants. The goal is to better understand and detect eye involvement early, which could help pre…

This study is observing 20,000 people undergoing routine heart or blood vessel procedures through the wrist (radial or ulnar artery). Researchers will track complications like artery blockage, spasm, and bleeding. The goal is to gather real-world data to improve safety and succes…

This study looks at whether a special imaging technique called Quantitative Flow Reserve (QFR) can help predict how well a blood vessel graft will work after coronary artery bypass surgery. Researchers will follow 110 patients for one year after surgery to check if the grafts sta…

This study looks at whether detailed heart scans (echocardiograms and MRIs) can improve how doctors predict short-term risks in people with a type of high blood pressure in the lungs (pulmonary arterial hypertension). Researchers will follow 50 adults for 6 months to see if addin…

This study is tracking 2000 patients with moderate to severe pulmonary embolism (blood clots in the lungs) who undergo a procedure called computer-aided vacuum thrombectomy, where a special tube sucks out the clot. Researchers want to see how well the procedure works and what com…

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 observational study will follow 5000 people with pulmonary hypertension to understand a severe complication called pulmonary hypertension crisis. Researchers will collect medical data and samples to build a risk prediction tool. The goal is to identify who is at risk and imp…

This study follows 50 adults who have had pulmonary endarterectomy surgery for chronic blood clots in the lungs. Researchers will measure walking ability, muscle strength, lung function, and frailty before and after surgery. The goal is to understand how recovery progresses and w…

This study is testing whether a new 3D ultrasound system can help people with blood vessel disease better understand their condition. Researchers will give 270 patients a 3D image of their blocked or narrowed vessels instead of the usual hand-drawn sketch. They want to see if thi…

This study is testing whether a quick ultrasound measurement of blood flow in the foot (called systolic rise time) can predict major limb events like amputation or severe ischemia in people with critical limb ischemia. Researchers will follow 134 patients for 6 months after surge…

This observational study is looking at whether people with primary aldosteronism (a cause of high blood pressure) have hormone levels that vary in cycles or differ between day and night. Researchers will collect urine samples over 24 hours from 100 participants to see if this met…

This study looks at 32 people who still have shortness of breath or reduced quality of life after a pulmonary embolism (a blood clot in the lungs). They will receive a special PET/CT scan before and after a pulmonary rehabilitation program to see how the treatment improves lung f…

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 300 people with rapid atrial fibrillation (a fast, irregular heartbeat) to understand why some have heart damage. Researchers will use blood tests and heart scans to see if blocked arteries are the cause. The goal is to improve how doctors diagnose and manage …

This study looks at 665 people who had a pulmonary embolism (a blood clot in the lung) and are at intermediate risk of another clot. Researchers will use a special 3D lung scan (V/Q SPECT/CT) to measure leftover blockages in lung blood vessels. The goal is to see if this scan can…

This study looks at whether a simple heart ultrasound can help predict which patients with a blood clot in the lungs (pulmonary embolism) are at higher risk for serious problems. Researchers will check right heart function in 112 adults and track outcomes like breathing failure, …

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

This study checks if a French version of the MEPS/MEPI elbow score works well for children aged 4 to 17. It includes kids with and without elbow injuries to see if the score accurately measures elbow pain and function. The goal is to make sure doctors can use this tool reliably i…

This study is collecting medical information and blood/urine samples from 9,500 people with various heart and blood vessel conditions, plus healthy volunteers, over 20 years. The goal is to find better ways to diagnose heart disease and predict how patients will do in the future.…

This study will enroll 246 people who have had a heart stent but still experience chest pain. Researchers will use a detailed diagnostic approach during a heart catheterization to identify whether the pain is due to new blockages, incomplete treatment, or other issues. The goal i…

This study compares three new wearable blood pressure monitors (ABPMPro, Aktiia, and Spacelabs) to see how well they measure blood pressure and physical activity. One hundred adults with normal or high blood pressure will wear the devices for 48 hours. The goal is to find out if …

This study aims to better understand pre-eclampsia and intrauterine growth restriction (IUGR), serious pregnancy complications affecting about 9% of pregnancies. Researchers will collect placenta, blood, and urine samples from 500 pregnant women—both with and without these condit…

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

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

This study compares two solutions used to protect the heart during coronary artery bypass surgery: standard blood cardioplegia and del Nido cardioplegia. Researchers will use MRI scans to see which solution better preserves heart muscle. The trial involves 60 adults with multives…

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

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

This study aims to learn how well heart scans (MRI, ultrasound, PET) can detect and predict outcomes in people with suspected or known inflammatory heart diseases. Researchers will follow 5,000 adults for one year to see how often heart involvement is confirmed and how it affects…

This study is testing whether a mobile phone app can help pregnant women at high risk for preeclampsia in Karachi, Pakistan, monitor their blood pressure and symptoms at home. Fifty women will use the app to send daily readings to their healthcare team, who can then respond if ne…

This study looks at whether women with high blood pressure who skip their medication have more sexual problems than those who take it regularly. Researchers will compare sexual function in 348 women using questionnaires and blood tests. The goal is to understand if not taking med…

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

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

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

This study looks at the best way to treat a fluid pocket (pseudomeningocele) that can form under the scalp after brain surgery. It compares doing nothing active (just watching and caring for the wound) with doing a procedure like draining the fluid or another surgery. The goal is…

This study examines why fat accumulates in the right ventricle of people with pulmonary arterial hypertension (PAH) and how it affects heart function and exercise ability. Researchers will use MRI and blood tests in 75 adults with PAH to track changes over time. The goal is to be…

This study aims to develop artificial intelligence tools that can analyze heart CT scans to identify dangerous plaque buildup that may lead to heart attacks. Researchers will study 4,000 people with known or suspected coronary artery disease to create and test a computer model th…

This study gives low-dose interleukin-2 to people who have had a heart attack and are scheduled for bypass surgery. Researchers want to see how the drug affects certain immune cells (regulatory T cells) inside heart tissue compared to blood. The goal is to understand whether thes…

This study looks at 50 adults who had a stroke caused by a blocked middle brain artery and were treated with a clot-removal procedure called thrombectomy. Researchers will use special MRI scans to measure brain activity and metabolism in the damaged area. The goal is to find earl…

This study looks at whether doctors can rely on feeling a patient's pulse (in the neck, groin, or wrist) to know if their blood pressure is dangerously low during shock. Researchers will compare pulse checks with standard blood pressure readings in 5,000 critically ill adults in …

This study is testing whether a continuous glucose monitor (CGM) designed for diabetes can work in intensive care patients with septic shock. Currently, nurses must prick patients' fingers every 2 hours to check blood sugar, which is painful and disruptive. The CGM uses a small s…

This study looks at the connection between high blood pressure and obstructive sleep apnea (OSA) using heart rate variability (HRV), a simple heart monitoring method. Researchers will track 100 adults with high blood pressure who are at risk for OSA, using heart monitors and slee…

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 looks at why people with chronic kidney disease (CKD) have trouble exercising and often experience high blood pressure during physical activity. Researchers will test whether regular cycling exercise, a drug called Kuvan, or supplements like histidine and beta-alanine …

This study looks at whether giving older adults (65+) with diabetes or high blood pressure access to their visit notes and audio recordings of their appointments helps them feel better and manage their health. About 1,022 participants will be randomly assigned to receive either w…

This study aims to find early warning signs for major chronic diseases like stroke, heart disease, and cancer by following 4,500 healthy adults aged 30-80 in Lishui. Participants will receive regular check-ups and long-term monitoring. The goal is to improve prevention and care a…

This study is looking at how a protein called SNRK might be linked to aging of blood vessels. Researchers will take blood samples and use ultrasound to check artery stiffness in 180 adults aged 18 to 80. The goal is to find new ways to understand and possibly treat vascular aging…

This study uses a quick, painless eye scan (OCT) to see if blood vessels in the eye look different in people with high blood pressure or chronic kidney disease compared to healthy people. Researchers want to learn if these differences improve with treatment. About 150 adults aged…

This pilot study tests whether having patients with coronary artery disease fill out online surveys about their symptoms and quality of life, and sharing the results with their doctors, is practical and helpful. About 200 patients and their cardiologists will take part. The goal …

This study looks at immune cells called macrophages in the arteries of people with heart disease or poor leg circulation. Researchers will use imaging and blood tests to see how these cells are activated. The goal is to better understand the disease, not to test a new treatment. …

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

This study is looking at 150 Division I athletes from historically Black colleges and universities (HBCUs) to see how not getting enough calories—called low energy availability—might harm their hearts. Researchers will measure things like artery stiffness, blood sugar, and choles…

This study follows 1,500 people who are scheduled for heart surgery or a less invasive valve procedure. Researchers want to learn what factors predict major heart problems later, like heart failure or stroke. No new treatment is being tested—the goal is to gather information to i…

This study aims to see if a short, interval fitness test (the IFT 30-15) can reliably measure heart and lung fitness in both healthy people and those with high blood pressure or obesity. Researchers will compare results from this test with a standard treadmill test and a six-minu…

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 is a registry that follows up to 10,000 people who have been diagnosed with a blood clot (deep vein thrombosis or pulmonary embolism) and started blood-thinning medication within 14 days. Researchers at the Mayo Clinic will track how many patients have another clot or …