Arterial disorder

Researchers are testing XC001, an experimental gene therapy, in people with refractory angina, a type of chest pain caused by blocked heart arteries that persists despite medication and is not suitable for surgery or stenting. The trial delivers XC001 directly into the heart musc…

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 early-stage study tests STX-1150, a new medicine that temporarily turns off a gene (PCSK9) in the liver to lower bad cholesterol (LDL-C). It does not change your DNA. Up to 64 adults with high LDL-C will receive one or more doses and be followed for a year. The main goal is …

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 phase 2 trial is testing whether a supplement called nicotinamide mononucleotide (NMN) can protect the heart and kidneys of people undergoing coronary artery bypass surgery. Researchers will give NMN or a placebo to 90 adults at higher risk of complications. The main goal is…

This study looks at whether setting a pacemaker to a personalized rate of 75 beats per minute, instead of the usual 50-60, can improve heart function and blood flow to the brain in people with high blood pressure and a slow heart rate. About 70 patients aged 65 and older will be …

Researchers in Sweden are testing a new way to manage high blood pressure in primary care. At some clinics, staff assess each patient's heart risk, teach them about blood pressure, and let nurses lead group education and digital follow-up with home monitors. Other clinics continu…

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…

Researchers compare two oral blood pressure drugs, atenolol and metoprolol, given before nasal surgery to lower blood pressure during the operation. The goal is to reduce bleeding and improve the surgeon's view inside the nose. The trial enrolls 60 adults aged 21 to 50 who are he…

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 anifrolumab, a drug that blocks certain immune signals, can improve blood vessel function and reduce inflammation in people with lupus. About 45 adults with lupus will receive either the drug or a placebo over 8 months. Researchers will measure changes in…

Researchers at the University of South Carolina are testing a program that pairs nurses with community health workers to coach adults who have chronic conditions like diabetes, high blood pressure, heart disease, kidney disease, or a prior stroke. Each patient joins with a carepa…

This study is testing whether placing stroke patients in a head-down position (Trendelenburg) before a clot-removal procedure can improve their recovery. Researchers will enroll 210 adults with a severe stroke caused by a large blocked artery. The goal is to see if this simple po…

This phase 3 study is testing an injectable drug called zilebesiran in about 11,000 adults whose high blood pressure is not well controlled despite taking at least two standard medications. Participants also have heart disease or are at high risk for it. The goal is to see if add…

This study tests two experimental drugs, REGN7508 and REGN9933, to prevent strokes in people with atrial fibrillation (an irregular heartbeat) who cannot or choose not to take standard blood thinners. About 2,628 participants will receive one of the drugs or a placebo to see if t…

This study tests whether coaching and support from community health workers, delivered by phone or video, can help people with dangerously high blood pressure avoid serious heart problems. Over 3,600 adults who came to the emergency room with very high blood pressure will be rand…

Researchers compare two ways of using a leg vein as a second bypass graft during coronary artery bypass grafting. In one method, the vein connects as a Y-shaped branch off the left internal thoracic artery. In the other, the vein connects directly from the aorta. The trial enroll…

Researchers are testing whether adding bempedoic acid to high-intensity statin and ezetimibe therapy within 72 hours after a heart procedure helps adults with acute coronary syndrome reach very low LDL cholesterol. Participants receive either the three-drug combination or the sta…

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

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

This study tests a second-generation travoprost implant placed inside the eye to lower pressure in people with open-angle glaucoma or ocular hypertension. About 610 participants will receive either the implant, timolol eye drops, a sham procedure, or placebo drops. The main goal …

Researchers test a device that uses a laser to create holes in stent grafts during minimally invasive repair of aortic aneurysms. The holes allow blood to keep flowing to the kidneys and intestines when the aneurysm is close to those arteries. About 15 people who are not good can…

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 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 trial tests whether a single daily pill that combines treatments for high blood pressure, high cholesterol, and type 2 diabetes can lower the risk of heart disease and dementia. The study involves over 8,000 adults aged 50 to 75 in China who have all three conditions. Partic…

This study tests a new device called the Elevate™ heart pump in 290 people who need high-risk angioplasty (a procedure to open blocked heart arteries). The pump helps keep blood flowing during the procedure. The goal is to see if it is safer and works better than current methods.…

This trial tests whether adding endovascular treatment, a procedure to remove blood clots, to standard medical care improves recovery in people with a mild stroke caused by a blockage in the basilar artery. Participants receive either standard care alone or standard care plus the…

This phase 3 trial is testing whether a once-daily inhaled medication called treprostinil palmitil can help adults with pulmonary arterial hypertension (PAH) walk farther. About 344 participants will receive either the drug or a placebo for 24 weeks. The main goal is to see if th…

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 early study tests a new device called the GORE Multibranch Arch Endoprosthesis for people with aortic arch conditions like aneurysms or dissections. The device is placed inside the blood vessel to repair the damaged area. The study will enroll 20 participants and follow them…

This study compares the safety of the drug flecainide against standard treatments (sotalol or amiodarone) in about 988 adults with atrial fibrillation and stable coronary artery disease. Participants will be randomly assigned to one treatment and followed for at least a year to t…

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

This study tests whether tirzepatide, a drug used for diabetes and weight loss, can lower brain pressure in people with idiopathic intracranial hypertension (IIH). IIH causes high pressure inside the skull, leading to headaches, ringing in the ears, and vision problems. The trial…

Researchers are observing whether a tiny implant that releases travoprost can be safely placed inside the eye during an office visit. The implant is designed to lower eye pressure in people with open angle glaucoma or ocular hypertension. The study follows 30 participants to see …

This study tests an experimental drug called REGN7508 (cenvacibart) against aspirin to prevent blood clots in 2000 adults having knee replacement surgery. The drug targets a clotting factor to reduce clot risk. Researchers will compare how many people develop clots or die from cl…

This study tests whether a dietary supplement made from omega-3 fatty acids (called SPM) can reduce blood vessel damage caused by inflammation in people with obesity and high blood pressure. Researchers will give 60 participants either the supplement or a placebo for 12 weeks and…

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 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 …

Researchers are testing whether a balloon catheter coated with the drug sirolimus can safely open narrowed coronary arteries in adults with heart disease. The balloon inflates to press the drug into the artery wall, aiming to keep the vessel open without leaving a permanent stent…

This trial is testing a device called the Heli-FX EndoAnchor system, which is used during minimally invasive repair of abdominal aortic aneurysms (a bulging, weakened area in the main artery). The device helps secure the stent graft in place, potentially preventing leaks or movem…

Researchers are testing an inhaled drug called mosliciguat in people who have pulmonary hypertension caused by interstitial lung disease, a condition where lung scarring leads to high blood pressure in the lungs. The phase 3 trial enrolls about 376 participants who receive either…

This trial tests whether losartan, a common blood pressure medication, can reduce scarring in the heart's main pumping chamber and improve exercise capacity in adults who had surgery to repair coarctation of the aorta. Participants will take losartan, amlodipine, or a placebo dai…

This study is testing a long version of the Ultimaster Nagomi stent in people with long blockages in their heart arteries. About 1,039 participants will receive the stent and be followed for one year to see if it works well and stays safe. The goal is to see if one long stent can…

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…

Researchers are following 500 people with resistant hypertension who have received the Barostim Neo device, an implant that stimulates blood pressure sensors in the neck. The registry tracks blood pressure readings, changes in blood pressure medications, and health care visits ov…

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 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 study will test a special balloon coated with the drug paclitaxel to treat long blockages in the leg arteries. About 300 people with severe leg pain or wounds will receive the balloon treatment during a standard angioplasty procedure. Researchers will track how well the arte…

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

This registry follows 1000 people who received Advanta VXT or Flixene grafts to repair peripheral arteries. Researchers will check how well the grafts stay open and how often serious problems like amputation or repeat surgery occur. The goal is to confirm these devices are safe a…

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 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…

Researchers at one hospital are observing 400 people with arteriosclerosis obliterans, a condition where plaque blocks arteries in the legs. The study compares four common procedures: bypass surgery, bare metal stents, plain balloon angioplasty, and drug-coated balloons. Over thr…

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 study looks at whether people who take GLP-1 receptor agonists (like Ozempic or Wegovy) should continue them after having bariatric surgery. Researchers will compare weight loss, blood sugar control, gut health, and hunger in 150 adults who either keep taking the drug or sto…

This trial tests a special balloon coated with a drug (paclitaxel) to treat blockages in the leg arteries caused by cholesterol buildup. The balloon is inflated to open the artery and release the drug to help keep it open. The study will include 200 people and check if the balloo…

This study compares a new temporary heart pump called the Supira System to the existing Impella pump in 358 patients undergoing high-risk coronary stenting. The goal is to see if Supira is as safe and effective at supporting the heart during the procedure. Participants are random…

This study tests a new drug called RTN-001 in adults whose high blood pressure is not controlled by at least two other medications. About 280 participants will take either RTN-001 or a placebo daily for 12 weeks. The main goal is to see if RTN-001 lowers blood pressure more than …

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 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 study tests whether a drug called Brezavvy (an SGLT2 inhibitor) can improve blood flow in the tiny vessels of the heart and reduce chest pain in women who have angina but no blocked major arteries. 150 women will take either the drug or a placebo for 12 weeks and undergo hea…

This phase 3 trial tests whether adding tocilizumab, an anti-inflammatory drug, to standard emergency stroke treatment improves outcomes for people with a severe stroke in the back of the brain. About 348 adults will receive either tocilizumab or a placebo by IV right before a pr…

This study tests the safety and tolerability of sotatercept in Japanese children aged 1 to 18 with pulmonary arterial hypertension (PAH), a condition where blood vessels in the lungs narrow, making the heart work harder. Participants receive sotatercept injections every three wee…

This study tests whether shining a specific red laser light on the wrist (over the radial artery) can improve blood pressure and blood vessel function in people with hypertension who are already taking the medication losartan. Eighty adults will be randomly assigned to receive ei…

Researchers are testing a smartphone app designed to support patients after a pulmonary thromboembolism, a blood clot in the lungs. The app sends education and alerts tailored to each patient's clot and bleeding risk, and lets thrombosis doctors reach out during follow-up. The tr…

The JAGUAR trial compares two approaches to endovascular aneurysm repair (EVAR) in adults with abdominal aortic aneurysms. Participants are randomly assigned to receive either the Alto Abdominal Stent Graft System or another FDA-approved stent graft. Researchers track complicatio…

This study tests whether a device called Bioboosti, which delivers pulsed electromagnetic fields, can improve blood flow to the heart in people with coronary artery disease. Researchers will measure blood flow during stress and track symptoms like chest pain and exercise capacity…

This phase 3 trial tests whether giving a clot-busting drug called rhPro-UK before a mechanical clot removal procedure improves recovery for people with severe stroke. About 820 participants who had a stroke 4.5 to 24 hours earlier will receive either the drug or a placebo, follo…

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 study compares two common heart procedures—bypass surgery (CABG) and stenting (PCI)—in 600 minority patients with coronary artery disease. The goal is to see which approach leads to better survival and quality of life. Participants will be followed over time to track outcome…

This phase 2 trial tests an injected drug called TX000045 in 25 people who have high blood pressure in the lungs due to scarring lung disease. The main goal is to see if the drug lowers lung blood pressure and is safe over 16 weeks. Researchers will also check for side effects an…

After hip or knee replacement, all patients currently get the same dose of blood thinners to prevent clots, but some still get clots while others bleed. This trial will test whether giving a shorter course to low-risk patients and a stronger, longer course to high-risk patients c…

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 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 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 pilot study will test whether training hair stylists to check blood pressure, combined with home monitoring, health coaching, and pharmacist support, can help Black and Hispanic women lower their blood pressure. About 144 women who visit participating salons will be randomly…

This pilot study tests whether midodrine, a drug that raises blood pressure, can help heart failure patients with low blood pressure tolerate standard heart medications. About 56 hospitalized adults with weak heart pumps and low blood pressure will receive midodrine or usual care…

Researchers are testing a single injection of MWX401 in healthy volunteers and people with mild high blood pressure. The trial aims to see if the drug is safe and how the body processes it. Participants receive one dose or a placebo, and doctors monitor blood pressure and side ef…

This trial tests whether injecting nicorandil directly into the coronary artery before balloon angioplasty and stenting can prevent a drop in blood flow, a complication called no-reflow. The study enrolls adults with coronary artery disease who have a high lipid core burden index…

This study enrolls 600 women with blocked heart arteries to compare two common procedures: bypass surgery (CABG) and stenting (PCI). The goal is to see which one leads to better survival and quality of life. Participants will be followed over time to measure outcomes.

This Phase 3 trial is testing an injectable drug called HRS9531 in about 9,200 people with atherosclerotic cardiovascular disease (hardened arteries). The goal is to see if it can lower the chance of major heart problems like heart attack, stroke, or death. Participants receive e…

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

This 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 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 taking stroke patients directly to a special imaging and treatment room (angio suite) speeds up care compared to the usual approach of getting a CT or MRI first. About 594 adults with severe stroke symptoms will be randomly assigned to one of the two path…

This trial tests whether traditional open-heart surgery to replace a narrowed aortic valve works as well as a less invasive catheter-based approach in patients with severe aortic stenosis who are otherwise at low surgical risk. Researchers will compare rates of death, stroke, and…

This phase 3 study is testing whether a new drug called maridebart cafraglutide (MariTide) can reduce the risk of heart attacks, strokes, and death in people with heart disease who are overweight or obese. About 12,800 participants will receive either the drug or a placebo, added…

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 whether raising carbon dioxide levels slightly during general anesthesia can improve blood flow to the brain before clot removal in stroke patients. Fifty adults with large-vessel stroke will be randomly assigned to either normal or moderately high carbon dioxide…

This study tests whether extra support from a navigator can help pregnant people with high blood pressure use a home monitoring program (Connected MOM) and follow up after giving birth. The trial includes about 2,000 participants who have a smartphone and speak English or Spanish…

This trial tests whether tailoring breathing support to each patient protects the lungs better than a standard fixed setting during heart bypass surgery. Researchers will compare two methods of setting positive end-expiratory pressure, or PEEP, in 86 adults having on-pump coronar…

This study tests a drug called selnoflast in 162 people with atherosclerosis (hardened arteries) who are at high risk for heart attacks or strokes. The goal is to see if selnoflast can reduce inflammation inside the arteries, measured by a special PET scan, compared to a placebo.…

This trial compares two rescue procedures for people who have a stroke caused by a hardened, narrowed brain artery that still has significant blockage after initial endovascular treatment. About 486 participants will be randomly assigned to receive either balloon angioplasty or s…

This study compares two telehealth programs designed to help new mothers get faster care after childbirth, especially those with low income. About 3,500 women will receive either virtual education with reminders or a more interactive telehealth model. The goal is to see which app…

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 study tests an inhaled medicine called L606 for people with high blood pressure in the lungs due to lung disease. About 344 adults will be randomly assigned to receive L606 or a placebo. The main goal is to see if L606 helps them walk farther in six minutes and delays worsen…

In pulmonary arterial hypertension, the right side of the heart works against high pressure in the lungs and can weaken over time. This study tests whether temporary pacing of the right ventricle at the spot where it contracts latest can improve its pumping strength. Researchers …

This study tests whether giving a strong cholesterol-lowering drug (PCSK9 inhibitor) before emergency stroke treatment helps people recover better. About 652 adults with a major stroke will be randomly assigned to receive either the intensive drug or standard care. The main goal …

This study compares two ways to treat long, diffuse blockages in heart arteries. One method uses a temporary scaffold and drug-coated balloons that leave no permanent metal behind. The other uses standard metal stents. Researchers will check how well blood flow improves right aft…

This study looks at whether eating wild blueberries can improve heart health, thinking skills, and gut bacteria in Black and White adults aged 45-65 with high blood pressure. Participants will eat blueberries daily and have their blood pressure, artery stiffness, and cognitive fu…

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 trial tests whether trained community health workers can help adults with high blood pressure, diabetes, or high cholesterol address social needs like transportation, healthy food, housing, and job opportunities. Participants from clinics will be connected to a health worker…

This study compares two methods to protect the brain during a procedure to open a narrowed neck artery (carotid stenting). The standard method uses a small filter to catch debris, but some particles may still reach the brain. The new method adds a balloon that temporarily stops b…

This study tests an experimental drug called IKT-001 in people with pulmonary arterial hypertension (PAH), a condition where high blood pressure in the lungs makes it hard to breathe and move. About 486 adults will receive either IKT-001 or a placebo to see if the drug improves b…

This study tests a drug called tonlamarsen in adults who were recently hospitalized for dangerously high blood pressure. Participants receive either the drug or a placebo as a shot under the skin every 4 weeks. The goal is to see if tonlamarsen can lower blood pressure and reduce…

This study tests whether taking a low dose of colchicine (a medicine used for gout) every day for a year can prevent the new blood vessels created during heart bypass surgery from failing. About 100 adults who recently had bypass surgery will take colchicine or no extra treatment…

This trial tests whether applying perinatal tissue allografts to chronic diabetic foot ulcers, along with standard wound care, leads to more ulcers healing completely within 12 weeks compared to standard care alone. Adults with type 1 or 2 diabetes who have a nonhealing foot ulce…

This study tests a new inhaled drug, mosliciguat, added to an existing treatment (treprostinil) for people with high blood pressure in the lungs caused by lung scarring. The goal is to see if the combination is safe and tolerable. About 20 adults with this condition will particip…

This trial tests whether a clopidogrel-based antiplatelet regimen is as effective as aspirin plus low-dose rivaroxaban in preventing heart attacks, strokes, and other vascular events. Adults with a history of heart attack or peripheral artery disease will be randomly assigned to …

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 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 whether giving the oral drug midodrine early to sepsis patients with low blood pressure can help them stop needing IV blood-pressure medications sooner. Researchers will compare standard care plus midodrine to standard care alone in 308 adults. The goal is to see…

This study looks at whether drug-coated balloons, which deliver medication directly to the artery wall, work as well as drug-eluting stents in people with coronary artery disease. Researchers will track 1,000 patients who received either treatment to compare rates of artery re-bl…

This study tests a new device called Freesolve, a temporary magnesium scaffold that props open blocked heart arteries and then dissolves over time. About 1,859 people with up to two new blockages will receive either this scaffold or a standard permanent stent. The goal is to see …

This study tests whether removing a blood clot from the brain up to 72 hours after a stroke can help patients recover better than standard care. About 336 adults with severe strokes due to a large vessel blockage will be randomly assigned to get the clot removal procedure or usua…

This study tests whether group care—where patients meet together with health workers for education and check-ups—can improve control of high blood pressure and diabetes in Nepal. Over 1,100 adults from 37 health facilities will be assigned to standard care, low-intensity group ca…

This trial tests whether taking 150 mg of grape seed extract (MegaNatural BP) daily for 6 weeks can lower blood pressure and improve heart health in adults aged 40 to 60 with elevated blood pressure and prediabetes. Researchers will measure changes in blood pressure, blood vessel…

This trial tests whether cognitive-behavioural therapy for insomnia (CBT-I) can improve arterial function and mental well-being in adults with high blood pressure and poor sleep. Participants aged 18 to 70 with controlled hypertension and poor sleep quality are randomly assigned …

This trial tests whether using a detailed CT scan of the heart's arteries before a procedure to open blockages (PCI) can make the procedure more efficient. About 200 adults with coronary artery disease will be randomly assigned to either have their procedure guided by a pre-plann…

This study tests whether dividing exercise intensity into three personalized zones, based on individual biological responses, improves aerobic fitness in people with coronary artery disease. Participants train on a cycle ergometer for three months in one of three intensity zones.…

This study looks at how well a single tablet combining three blood pressure medicines—amlodipine, losartan, and chlorthalidone—works in Korean adults with hypertension. Researchers will track changes in blood pressure over six months and note any side effects. The goal is to see …

This trial investigates whether maintaining a higher blood pressure (85 mmHg or above) during surgery can reduce the risk of postoperative delirium—a sudden confusion that can occur after surgery—in older adults (65+) with high blood pressure. About 3,400 participants having non-…

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 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 whether using portable HEPA air cleaners at home can reduce exposure to fine air pollution particles and, in turn, lower systolic blood pressure in people with metabolic syndrome. Participants in Qatar will use either a real HEPA filter or a sham filter for four …

This trial tests whether starting a comprehensive, guideline-based treatment plan immediately after a heart attack can reduce the chance of another heart attack, stroke, or death. The plan targets key risk factors like high cholesterol, high blood pressure, and diabetes using a c…

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

This study tests 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 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 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…

Researchers are studying whether detailed heart MRI scans can predict serious heart problems after people with weakened heart pumps and blocked arteries have stents or bypass surgery. The trial enrolls adults with a left ventricular ejection fraction of 40% or lower and significa…

This study is testing whether a device that measures how long it takes for a pulse to travel through the arms and legs can detect peripheral artery disease (PAD), a condition where leg arteries become narrowed. Researchers will compare this new method to the standard ankle-brachi…

Researchers are testing whether a newer type of CT scan, called photon-counting detector CT, can identify dangerous plaque in heart arteries and predict future heart attacks, chest pain hospitalizations, or heart-related death. The study enrolls 500 adults scheduled for a routine…

Researchers are testing whether the Hilo Band, a cuffless wrist device, can measure blood pressure as accurately as the standard 24-hour ambulatory monitor. The study enrolls 40 young adults aged 21 to 35, including those with normal, low, or high blood pressure. Participants wea…

This study is testing a new wrist device that uses light to measure blood pressure without needing a traditional arm cuff. Researchers will compare its readings to standard methods in 200 adults aged 22 to 59 over one week. The goal is to see if the device is accurate and safe en…

This study is testing a device called Laser Speckle Contrast Imaging (LSCI) that uses a laser to measure blood flow in the leg. The goal is to see if it can help doctors monitor blood flow before, during, and after surgery to restore circulation. The study will enroll 30 people s…

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 explores whether a low-dose CT scan without contrast dye can accurately detect pulmonary embolism (blood clots in the lungs). Researchers will enroll 750 adults suspected of having a clot and add two very low-radiation CT scans to their standard dye-based scan. The goa…

This study is testing a new type of MRI, called hyperpolarized 13C MRI, to see if it can better identify which patients with heart disease will benefit from bypass surgery. The technique measures how the heart produces energy by tracking two simple molecules. Researchers will com…

Researchers are studying whether thromboelastography, a blood test that measures clot formation, can predict outcomes for people having surgery for glial brain tumors. The trial enrolls about 100 adults who are scheduled for tumor removal or biopsy. By tracking clotting measureme…

Preeclampsia is a serious high blood pressure condition that can develop during pregnancy and is a leading cause of death for mothers and babies in Africa. Doctors struggle to predict which women with high blood pressure will become severely ill because current tests are not accu…

This pilot study tests whether a special PET scan using a tracer called Florbetaben can detect inflamed plaque in arteries of people who recently had a heart attack, stroke, or mini-stroke. The goal is to see if this imaging method can identify unstable plaques that are likely to…

This study tests whether a non-invasive imaging technique called hyperspectral imaging can help predict how preeclampsia will progress in pregnant women. Preeclampsia is a serious condition that can harm both mother and baby, and it is linked to problems in the tiny blood vessels…

Preeclampsia is a dangerous pregnancy condition marked by high blood pressure and damage to blood vessels, and it can threaten both mother and baby. This study tests whether hyperspectral imaging, a non-invasive scan that measures blood flow in the skin, can predict who will deve…

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 tests whether a newer type of CT scan, called photon-counting CT, can accurately measure blood flow to the heart muscle and detect scarring or fibrosis. Researchers will compare the CT results with cardiac MRI and invasive coronary angiography in 100 patients with aort…

This study is testing a new MRI technique called CATCH to improve how doctors evaluate coronary atherosclerosis—the buildup of plaque in heart arteries. The goal is to make the scan faster, simpler, and more reliable than current methods, especially for identifying 'hot spots'—pl…

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 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 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 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 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…

Researchers are testing whether primary care clinics can prevent heart attacks and strokes by automatically calculating each patient's cardiovascular risk and sending monthly text messages with advice to those at high risk. The trial enrolls about 22,000 adults aged 40 to 79 in Y…

Researchers in Pakistan are testing whether a mobile app that uses artificial intelligence to send personalized heat-risk alerts can reduce heat-related illness symptoms in adults with chronic conditions such as hypertension, diabetes, kidney disease, heart disease, or obesity. T…

This trial tests whether a personalized health program delivered through a WeChat mini-program and community health workers can lower blood pressure in adults at high risk of developing hypertension. Researchers will enroll 500 adults aged 35 to 65 in Beijing who have a predicted…

This study tests whether taking a daily statin (rosuvastatin) for one year can safely prevent life-threatening blood clots in people with cancer. Current clot-preventing drugs raise bleeding risks, so a safer option is needed. The trial will enroll 4,000 adults with newly diagnos…

This study will test if mindfulness training, with or without a wearable biosensor watch, can help prevent preeclampsia in pregnant women at moderate to high risk. 90 women will be split into three groups: mindfulness plus the watch, mindfulness alone, or standard prenatal care. …

This phase 3 trial tests an experimental drug called REGN7508 to prevent blood clots in people with solid tumors who are receiving cancer treatment. About 1,120 participants will receive either the drug or a placebo. The study measures how well the drug prevents clots and checks …

Researchers test whether lowering systolic blood pressure to below 120 mm Hg prevents major cardiovascular events in adults with type 2 diabetes and high-normal blood pressure. The trial enrolls about 11,400 people aged 45 to 79. Participants receive either intensive treatment wi…

Researchers are testing whether exercise during pregnancy can reduce the risk and severity of preeclampsia, a dangerous condition marked by high blood pressure. The trial enrolls 224 healthy women at risk for preeclampsia who are less than 16 weeks pregnant. Participants take par…

This study tests whether starting a higher dose of aspirin very early in pregnancy (before 7 weeks) can lower the risk of preeclampsia and pregnancy loss in women with risk factors. About 1,150 pregnant women will take either 162 mg of aspirin daily or a placebo followed by stand…

The VISTA trial compares two approaches for people who have had a stroke or mini-stroke caused by severe narrowing of an artery in the neck that supplies the back of the brain. Participants are randomly assigned to receive either a drug-eluting stent plus blood thinners or blood …

The CEST trial compares two timings for carotid revascularization, a procedure that clears a narrowed neck artery to prevent another stroke. It enrolls adults who have had recent stroke symptoms and an MRI-confirmed small area of brain injury in the territory of that artery. Part…

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 study tests a program in the Dallas County Jail that identifies people at high risk for HIV and offers them testing and education about PrEP, a daily pill that prevents HIV. A patient navigator helps interested individuals connect with PrEP providers after they are released.…

This phase 3 trial tests whether adding hydroxychloroquine to daily aspirin reduces the risk of preeclampsia in pregnant women with a history of the condition, fetal growth restriction, or stillbirth. Participants receive either aspirin alone or aspirin plus hydroxychloroquine th…

This study tests whether regular, personalized health coaching—delivered virtually and during community screenings—can reduce the 10-year risk of heart attack or stroke in adults aged 40-75 who have at least one cardiometabolic risk factor like high blood pressure, high cholester…

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 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 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…

Researchers are testing whether taking a 20mg sildenafil tablet before exercise helps people with pulmonary arterial hypertension reach a higher maximum workload than a dextrose candy tablet. The trial enrolls about 20 adults with stable PAH who are already on standard treatment.…

This study tests an 8-week mindfulness program designed to reduce anxiety and improve quality of life in women with coronary artery disease. Researchers will enroll 70 women who have had CAD for at least a month and have elevated anxiety. The program includes meditation, breathin…

This trial asks whether breathing supplemental oxygen during a 6-minute walk test helps people with pulmonary vascular disease (PAH or CTEPH) walk farther than they would on ambient air. Participants will complete two walk tests—one with oxygen via nasal cannula and one without—t…

This trial tests whether breathing supplemental oxygen during exercise helps people with pulmonary vascular disease walk farther compared to breathing regular air. Participants will perform a standard six-minute walk test twice—once with oxygen and once without—to see if oxygen i…

This study tests whether a community-based exercise program can improve walking ability and heart health in people with peripheral artery disease who have recently had a procedure to open blocked leg arteries. Researchers will enroll 30 participants and measure how long they can …

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 looks at whether a computer-assisted vacuum procedure to remove blood clots from the lungs is safe and improves quality of life for cancer patients with a moderate-risk pulmonary embolism. About 25 adults with cancer and a confirmed clot in a major lung artery will tak…

This study tests whether a non-invasive physiotherapy technique that stimulates the vagus nerve can help lower blood pressure in pregnant women with preeclampsia. About 210 women will receive either standard blood pressure medication alone or medication plus this gentle therapy. …

This study tests whether adding lidocaine to the Custodiol solution used during heart bypass surgery can reduce dangerous heart rhythms that often occur after the heart is restarted. About 70 adults having planned coronary bypass surgery will be randomly assigned to receive eithe…

This study tests whether wearing a virtual reality headset with calming scenes and hypnotic speech can lower pain and anxiety during minimally invasive leg artery surgery done under local anesthesia. About 90 adults with peripheral artery disease will take part. The main goal is …

This trial tests whether personalized text messages, synced with a Fitbit, can encourage people with pulmonary arterial hypertension (PAH) to be more active and improve their quality of life. Participants will receive up to three tailored texts a day for six months, or continue w…

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

This study uses cone-beam CT scans to map the alveolar antral artery, a small blood vessel in the upper jaw that can be injured during dental implant or sinus lift procedures. Researchers will analyze 1,000 existing scans to document the artery's typical location, size, and varia…

This study is a registry that collects information on the safety and effectiveness of Medtronic medical devices already on the market. It will include up to 100,000 people who have or will receive a Medtronic product for conditions like heart, nerve, or digestive disorders. The g…

This study tracks over 16,000 teens and adults with severe asthma to see if the drug tezepelumab raises the risk of serious heart problems like heart attack, stroke, or heart-related death. Researchers will compare those taking tezepelumab to those on standard asthma treatments. …

This study looks at whether lying flat (0 degrees) or with the head raised (30 degrees or more) after a stroke clot removal procedure helps people recover better. About 2240 adults who had a stroke from a large blood vessel blockage will be randomly assigned to one of the two hea…

This observational study aims to better understand what happens inside artery plaques in people with peripheral artery disease (PAD). Researchers will use special PET-CT scans to look for signs of inflammation, calcium buildup, and blood clots in the legs and other parts of the b…

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…

People admitted for acute coronary syndrome, which includes heart attacks and unstable angina, face a higher risk of dangerous heart rhythms such as sustained ventricular tachycardia and ventricular fibrillation. Hospitals monitor these patients, but the exact rate of these rhyth…

This study follows 400 adults diagnosed with pulmonary embolism (a blood clot in the lungs) at a Swedish hospital. Researchers will repeatedly check heart tests and blood markers during the first 48 hours to see if early changes can better predict who will worsen. The goal is to …

This observational study will look back at past cases and follow new patients to compare two surgical methods for repairing aorto-iliac aneurysms (a bulge in the main artery in the belly and pelvis). One method uses a standard surgical graft, the other uses a special stent that p…

Researchers are studying blood proteins in people who have a severe ischemic stroke caused by a blocked artery in the front of the brain. All 800 participants receive endovascular treatment, a procedure that threads a catheter through blood vessels to remove the clot. The team me…

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…

Researchers are tracking outcomes for 30 people with severe pure aortic regurgitation who receive a transcatheter aortic valve implantation using the JenaValve or J-Valve system. All participants are considered high-risk for open heart surgery. The study uses CT scans at 6 months…

This study aims to learn more about lipid disorders—conditions that affect fats like cholesterol in the blood. Researchers will observe up to 2,000 people with abnormal cholesterol levels to better understand how these disorders develop and how to diagnose them. Participants will…

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

This 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 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…

Researchers are comparing two ways of running the heart-lung machine during coronary artery bypass surgery to see which triggers less body-wide inflammation. The study follows 80 adults having planned bypass surgery, split by the circulation technique their surgical team uses. In…

Researchers at Hospital de Clínicas de Porto Alegre are translating and culturally adapting the EmPHasis-10 questionnaire, a short survey that measures how pulmonary hypertension affects patients' quality of life, into Brazilian Portuguese. The study enrolls 50 adults with pulmon…

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

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

This study is testing a new type of MRI scan that looks at how the heart uses energy. It involves 15 people: 6 healthy volunteers and 9 patients with severe heart disease who are scheduled for bypass surgery. The goal is to see if this new scan can better measure heart muscle hea…

This study looks at sleep problems in healthy Somali Americans and how they might raise the risk of high blood pressure. Researchers will use sleep studies and 24-hour blood pressure monitors on 240 adults. The goal is to find hidden sleep issues and understand their link to bloo…

Researchers are observing adults undergoing coronary artery bypass grafting to see how often cardiac output falls below a set threshold in the 30 minutes after general anesthesia begins. The study uses continuous arterial waveform monitoring to record cardiac index, blood pressur…

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

Researchers are following 10,000 registered nurses in Xiamen, China, to see how genes, lifestyle, and environment relate to common chronic diseases like high blood pressure, heart disease, stroke, diabetes, kidney disease, and some cancers. The study collects health and lifestyle…

This study follows 200 people having beating heart bypass surgery to see how well Getinge's devices perform and if they cause any problems. The devices help stabilize the heart and improve visibility during surgery. No extra tests or visits are needed—just information from the ho…

Researchers are building a large database of high-resolution MRI scans from stroke patients in China to study the fatty plaques inside brain arteries. The study enrolls adults who recently had an ischemic stroke and have a specific plaque in a major brain artery. By tracking thes…

Researchers at University Hospital Basel are collecting information from routine care to compare treatments for coronary artery disease. The registry follows people who receive a percutaneous coronary intervention, including complex procedures, and who are treated with drug-eluti…

This study investigates whether an ultrasound measurement of the internal jugular vein in the neck can help assess fluid status in pregnant women with preeclampsia, compared to those with normal blood pressure. Researchers will measure the vein's collapsibility index before cesar…

This study wants to improve how we measure children's recovery and experience after surgery and anesthesia. Researchers will translate and test a recovery scale for Danish children aged 4-12, and also develop a new questionnaire that lets children describe their own hospital expe…

This study aims to understand why heart disease develops differently in women compared to men. Researchers will measure inflammation markers and hormone levels in 6,000 women with chest pain. They hope to uncover how female sex hormones and inflammation interact to influence hear…

This registry is collecting information from 35,000 adults with type 2 diabetes, high blood pressure, heart failure, and/or chronic kidney disease. Researchers want to see how these conditions are managed in everyday medical practice, what treatments people receive, and how often…

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 certain carbon dioxide (CO2) measurements in the blood can help predict a serious complication called low cardiac output syndrome (LCOS) in children after heart surgery. LCOS happens when the heart doesn't pump enough blood, which can lead to longer ho…

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 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 involves 40 adults undergoing aortic arch surgery to repair aneurysms or dissections. Researchers are testing a new bedside system that measures brain chemicals in near real-time to detect early signs of oxygen deprivation. The goal is to prevent strokes and confusion …

This pilot study tests whether a larger trial comparing two methods of harvesting the left internal mammary artery (LIMA) for heart bypass surgery is feasible. About 35 adults having planned bypass surgery will be randomly assigned to either the skeletonized method (isolating the…

This study examines plaques removed from the carotid arteries of about 3,500 people during surgery, along with imaging scans and blood samples, to find features that make some plaques prone to rupture and cause heart attacks or strokes. Researchers will track participants over se…

This observational study follows 350 adults with pulmonary hypertension to see if certain biomarkers in urine and blood are linked to worsening kidney function. Participants undergo standard tests but receive no experimental treatment. The goal is to better understand how kidney …

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 looks at how people with spontaneous coronary artery dissection (SCAD) and fibromuscular dysplasia (FMD) respond to different types of exercise. Researchers will measure changes in blood pressure, breathing, and symptoms during and after exercise. The goal is to better…

This study is testing a new device that aims to measure pressure inside the skull from the outside, avoiding the need for surgery. Currently, doctors must drill a hole in the skull to monitor intracranial pressure (ICP) in patients with conditions like traumatic brain injury or s…

Researchers are testing whether a new 2026 AHA/ACC classification system, which sorts patients with acute pulmonary embolism into categories A through E, can predict who will have a major adverse event within 30 days. The study will enroll 600 adults diagnosed with pulmonary embo…

This study aims to find genes that cause high blood pressure starting in childhood. Researchers will follow 2,300 people aged 2 and older, including those with childhood-onset hypertension and their healthy relatives, for up to 10 years. Participants provide blood, urine, and che…

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 will analyze health records from 15,000 adults with high blood pressure in Brazil's public primary care system. Researchers want to see how often patients with uncontrolled blood pressure get their treatment adjusted. The goal is to understand patterns of care and iden…

This study asks how the nervous system tells blood vessels to narrow during stress, and whether obesity or high blood pressure changes that signal. Researchers will measure nerve activity and blood flow in about 100 adults, some with obesity, some with hypertension, and some with…

This study looks at 958 people having a severe stroke to find out if general anesthesia (being fully asleep) or procedural sedation (being drowsy but breathing on your own) leads to better recovery after a procedure to remove a blood clot from the brain. Participants will be rand…

This study follows about 1,400 people with coronary heart disease who undergo a stent procedure, called PCI, to open blocked arteries. Even with standard treatment, these patients still face a risk of major heart events. Researchers will measure levels of a protein called hsCRP, …

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 trial tests an experimental imaging tracer called 64Cu-NODAGA-CANF in healthy adults. The goal is to measure how the tracer spreads through the body, calculate the radiation dose, and check its safety. Each participant receives one injection of the tracer and then undergoes …

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

This study will screen 3,000 adults with heart disease (coronary artery disease, atrial fibrillation, or heart failure) to see how many also have COPD, a serious lung condition. Doctors and patients will receive education on managing both heart and lung problems together. The goa…

This study looks at why people with pulmonary arterial hypertension (PAH) lose muscle mass and how that affects their daily life and activity. Researchers will measure body composition, heart fat, diet, and physical function in 150 adults with PAH. No new treatment is being teste…

This study tests whether ultrasound scans and patient questionnaires can better track disease activity in people with giant cell arteritis, a condition that inflames arteries and can cause blindness. Researchers will follow 175 patients in remission for one year, using ultrasound…

This study follows 185 adults in the Netherlands who are hospitalized with serious trauma injuries. Researchers will ask them to fill out short questionnaires about their quality of life, pain, fatigue, and daily functioning at several points over a year. The goal is to see wheth…

This study looks at how people with slightly high blood pressure react to salt. Participants will eat both high-salt and low-salt meals to see if their blood pressure changes. The goal is to find out who is salt-sensitive and who is not. No new treatments are tested—just careful …

This study aims to develop and fine-tune a medical artificial intelligence (AI) model to assist with diagnosing and managing gastric, cardiovascular, and cerebrovascular diseases. Researchers will use a large dataset of patient records, medical images, and doctor-patient dialogue…

This study looks at people with severe aortic stenosis, a narrowing of the heart's main valve, who are scheduled for a procedure called TAVI to replace that valve. Researchers want to see if improving blood flow through the valve also reduces fluid buildup in the lungs, a sign of…

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 trial tests whether drinking 400 mL of red grape juice daily for three weeks alters the blood metabolome—the collection of small molecules in blood—in people with chronic coronary artery disease. Participants alternate between a grape juice period and a period without polyph…

This trial tests whether wearable devices like smartwatches can measure blood pressure as accurately as standard arm cuffs or invasive arterial lines. Hospitalized patients will wear multiple devices using light-based (PPG) and wrist-cuff methods, with readings compared to clinic…

This observational study aims to uncover clinical and genetic risk factors for sudden cardiac arrest and death in patients with coronary artery disease (CAD). Researchers will follow about 4,000 participants who have been diagnosed with CAD, collecting data from surveys, ECG reco…

This study aims to understand why fatty plaques in heart arteries suddenly rupture, causing heart attacks, and why some people experience more heart muscle damage than others. Researchers will use advanced imaging, blood tests, and genetic analysis in about 2,000 patients undergo…

This observational study tests a new spectroscopic device designed to measure oxygen levels in the heart muscle during open-heart surgery. The goal is to see if the device can safely record this data and how it relates to surgical events and patient parameters. Participants are a…

This study looks at whether a hormone called aldosterone plays a key role in high blood pressure. Researchers will follow 500 adults with hypertension, tracking aldosterone levels and related health measures over six months. The goal is to better understand how aldosterone change…

This study is a large registry that collects safety and performance data on Terumo Aortic knitted and woven grafts and cardiovascular patches used in standard clinical practice. It will include about 2,000 patients who need these devices to repair or bypass damaged blood vessels,…

This study follows 400 adults who recently had a stent placed for coronary artery disease to see if long-term exposure to cold regions affects heart recovery. Participants' cold exposure is measured by where they lived and worked in the three years before the procedure. The study…

This study gathers information from many hospitals on procedures used to open completely blocked coronary arteries—a condition called chronic total occlusion—in people with advanced heart disease. Researchers will track which techniques are used and how well they work, both right…

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 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 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 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…

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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 …