Arterial disorder

This trial tests whether treating high blood pressure in pregnancy to a stricter target (below 140/90) is better than the usual approach (below 160/110) for women with gestational hypertension or preeclampsia without severe features. About 4,120 pregnant women will be randomly as…

This Phase 3 trial will test whether a combination of three cholesterol-lowering drugs—bempedoic acid, ezetimibe, and a high-intensity statin—can reduce and stabilize plaque buildup in the coronary arteries. The study enrolls 103 adults with coronary atherosclerosis who have neve…

This study tests whether the drug telaglenastat, taken twice daily for 12 weeks, can safely lower blood pressure in the lungs and improve heart and lung function in adults with pulmonary hypertension. About 28 participants will receive the drug on top of their usual care. The mai…

This study tests a program for new mothers who had high blood pressure during pregnancy. Participants wear a FitBit and receive weekly messages with personalized activity goals. The goal is to see if this approach increases daily steps and improves blood pressure, and whether mom…

Researchers are testing whether a lower dose of the clot-dissolving drug alteplase can treat life-threatening pulmonary embolism as effectively as the standard full dose while causing less severe bleeding. The trial enrolls adults with acute high-risk pulmonary embolism, a condit…

Researchers are testing whether a standardized automated blood pressure measurement protocol in Australian general practice clinics improves hypertension control among adults. The protocol uses a validated device that takes several readings automatically after a five-minute rest,…

This study compares two treatments for when a leg artery stent narrows again (in-stent restenosis). About 578 patients will receive either a drug-coated balloon or a drug-eluting stent, both of which release medication to keep the artery open. The goal is to see which approach re…

This study tests whether using a 21-question tool to understand a person's daily habits, then giving tailored advice, can lower blood pressure more than routine counseling. Researchers will compare two groups of adults with hypertension over three months. The goal is to see if pe…

This observational study is looking at whether Ferretab comp., an oral iron and folic acid supplement, can improve anemia and heart-related symptoms in adults who also have coronary artery disease or heart failure. Participants take the supplement for 12 weeks as part of their us…

Researchers are studying how heart arteries change after a blocked vessel is opened with a paclitaxel drug-coated balloon instead of a metal stent. The balloon delivers a drug to the artery wall and then is removed, leaving no permanent implant. About 150 adults who had this proc…

Researchers are testing whether adding a PCSK9 inhibitor to standard statin therapy can stabilize vulnerable plaques in the carotid artery, the main blood vessel to the brain. The trial enrolls 120 adults with carotid narrowing and high-risk plaque features. Participants receive …

This study explores whether measuring a hormone called renin can help doctors choose the best first medication for people with early-stage high blood pressure. Adults with low renin levels are randomly assigned to receive either spironolactone or a standard blood pressure drug fo…

This study tests whether a tablet-based brain training program and/or a powerful cholesterol-lowering drug (PCSK9 inhibitor) can improve thinking and memory in 420 adults aged 55-80 with narrowed brain arteries. Participants will be split into four groups, combining or not combin…

This pilot study tests whether giving semaglutide (Ozempic) to 100 stroke patients who had a clot-removal procedure can improve recovery. Patients are randomly assigned to receive weekly injections for 12 weeks or no drug. The main goal is to see if a larger, definitive trial is …

Researchers are testing whether a drug-coated balloon alone can keep heart arteries open after clearing a chronic total blockage, without leaving a permanent metal stent. The study plans to enroll 38 adults with a long-standing coronary occlusion and angina or documented ischemia…

Researchers are testing an experimental oral drug called MN-08 in healthy adults to see how safe and tolerable it is. The trial gives participants either MN-08 or a placebo for about a week and measures side effects, vital signs, heart rhythm, and blood test changes. It also trac…

This study looks at people with a rare lung condition called CTEPH who have done well after a procedure (balloon angioplasty) and are taking a drug called riociguat. The goal is to see if stopping the drug is as safe as continuing it. About 150 participants will be randomly assig…

This registry will follow 2000 people with complex coronary artery disease who receive the Inspiron EVO drug-eluting stent. The stent is designed to be easier to deliver and stronger than standard stents. Researchers will track how well the stent works and whether it reduces hear…

This trial tests whether adding nicorandil, a drug that widens blood vessels, to standard rheumatoid arthritis (RA) treatment can reduce the buildup of plaque in arteries. People with RA have a higher risk of atherosclerosis, which can lead to heart attacks and strokes. Researche…

This study tests whether two heart failure medications, dapagliflozin and spironolactone, can help the heart recover better after aortic valve replacement. About 445 adults with severe aortic stenosis will take one or both drugs daily for 12 months. The goal is to see if these me…

Researchers test whether a digital care pathway app plus non-real-time messaging with a nurse helps adults in primary care lower their systolic blood pressure. About 600 patients with uncontrolled hypertension receive usual care, usual care plus the app, or usual care plus the ap…

This study will compare three approaches before gastric bypass surgery for severe obesity: taking the medication tirzepatide for 60 days, following a ketogenic diet for 4 weeks, or receiving standard care. The goal is to see which method leads to the most weight loss one year aft…

This study tests a community-based exercise program for people aged 50 and older who have at least two chronic conditions, such as heart disease, diabetes, arthritis, or obesity. The program is designed to improve muscle strength, heart and lung fitness, and overall well-being. R…

This trial tests a medical device that has not been approved or cleared by the U.S. FDA. Researchers want to learn whether the device is safe and whether it can help people with a specific condition. Participants receive the device as part of the study, and the team monitors thei…

This trial tests whether the anesthetic remimazolam keeps blood pressure more stable than the standard drug propofol in adults undergoing surgery to repair an aortic aneurysm. Maintaining steady blood pressure during these procedures helps protect vital organs. Researchers will m…

This early-stage study tests whether it is safe to take nitroglycerin spray (used for chest pain) together with an experimental drug called nurandociguat (designed to help kidneys) in 36 adults with stable coronary artery disease. Both drugs widen blood vessels, so the main conce…

This trial tests whether adding Yiqi Fumai lyophilized injection to standard heart failure treatment improves symptoms and reduces heart strain in adults with chronic heart failure caused by coronary heart disease. About 100 participants at four hospitals in China will receive th…

This 52-week trial tests whether combining a structured lifestyle program with a mushroom-based supplement and the drug bupropion helps overweight adults lose weight and lower cardiometabolic risk. About 250 adults aged 18 to 55 with a BMI between 25 and 35 will be randomly assig…

This pilot study tests whether giving new mothers with preeclampsia or gestational hypertension a blood pressure cuff, extra education, and a reminder bracelet helps them manage their blood pressure at home. About 40 participants will receive these tools before leaving the hospit…

This trial tests a new heart valve called the INOVARE SAFESYNC, which doctors implant through a tube in the leg, avoiding open-heart surgery. The study enrolls 40 people with severe aortic stenosis, a narrowing of the heart's main valve, who are at intermediate or higher risk for…

This study tests whether a special clinic where heart, kidney, diabetes, and liver doctors work together can help people with type 2 diabetes and heart disease get better control of their blood pressure and cholesterol. About 150 adults will be randomly assigned to either usual c…

This study tests whether a nurse-led, community-based program can help lower blood pressure in adults aged 25 and older with uncontrolled hypertension in Monrovia, Liberia. Trained community health nurses provide medication and lifestyle counseling at mobile clinics in high-traff…

Peripheral artery disease can completely block the superficial femoral artery in the thigh, cutting off blood flow to the leg. This trial tests a minimally invasive procedure that uses a rotating device to shave away the blockage, followed by a drug-coated balloon to widen the ar…

This trial studies people with pulmonary arterial hypertension (PAH) who live permanently above 2600 meters. Researchers want to see if spending one week at sea level and then returning to high altitude changes pressure in the lung's blood vessels. They will measure heart and lun…

This trial tests whether giving adolescent girls a daily multiple micronutrient supplement (with or without extra nutrients) improves their growth, brain function, bone health, and overall well-being compared to the standard weekly iron-folic acid pill. About 3,000 girls aged 10–…

This study tests whether medically tailored meals, prepared to support kidney and heart health, can improve blood pressure and kidney function in Veterans with chronic kidney disease. About 100 participants will be randomly assigned to receive these meals or usual care for three …

This trial tests whether a procedure to reopen a blocked carotid artery in the neck can improve cognitive function in people who have had a stroke or mini-stroke and now have thinking or memory problems. Participants are randomly assigned to receive standard medical care alone, o…

This trial tests whether a granule form of the Chinese herbal formula Huayu Jiedu (FTFY-919) works as well as the traditional decoction for people with acute hypertensive intracerebral hemorrhage, a type of stroke caused by bleeding in the brain. About 300 adults who have had a b…

This trial tests whether an 8-week home-based telerehabilitation program, delivered through a mobile app, can safely improve exercise capacity in adults with pulmonary arterial hypertension (PAH). PAH causes severe shortness of breath and fatigue, and many patients cannot easily …

This trial tests whether a newer ventilation method, called flow-controlled ventilation, keeps the lungs and diaphragm in better shape than the standard pressure-controlled method during elective heart bypass surgery. About 154 adults scheduled for on-pump coronary artery bypass …

This trial tests whether empagliflozin, a drug used for diabetes, improves blood vessel and nerve function in adults aged 45 to 75 with prehypertension. Participants take the drug or a placebo for two weeks, then switch, while a control group with normal blood pressure is observe…

This study tests a stent (Carotid WALLSTENT) used with a special brain protection system (ENROUTE NPS) in 60 Chinese patients with narrowed carotid arteries. The goal is to see if the combination can be safely delivered to prevent strokes. Patients must have significant artery na…

This trial studies people with pulmonary arterial hypertension, a condition where high blood pressure strains the lungs, who live permanently above 2600 meters. Researchers test whether spending one week at sea level and then returning to altitude changes how far participants can…

This study will look at how well a drug called ARNi (sacubitril/valsartan) lowers blood pressure in 500 adults with hypertension in the United Arab Emirates. Researchers will compare it to standard treatments like ACE inhibitors and calcium channel blockers. The goal is to see if…

This study tests an experimental drug called HRS-1780 in people with uncontrolled or resistant hypertension—high blood pressure that stays high despite treatment. The trial compares three different doses of HRS-1780 against a placebo to see if it safely lowers blood pressure. Par…

This pilot study is testing whether a Bifidobacterium probiotic supplement can help lower blood pressure in 30 middle-aged Chinese adults with untreated hypertension. Participants will take the probiotic for 12 weeks, and researchers will monitor their blood pressure and other he…

This trial compares two types of replacement heart valves used in a procedure called TAVI for people with severe aortic valve stenosis and a small aortic annulus. The two valves are the Meril Octapro+ and the Abbott Navitor. Researchers want to see which design provides better sa…

This trial tests a support program for adults with glaucoma who struggle to take their eye drops regularly or attend clinic visits. Participants identify their main barrier, such as forgetfulness or difficulty using drops, and receive matching help like education, reminders, or t…

This trial tests whether using ultrasound to mark the correct spot on the back before spinal anesthesia improves success compared with the traditional method of feeling the bones. Sixty women having planned cesarean sections will be randomly assigned to either ultrasound marking …

This trial compares two common treatments—hypertonic saline and mannitol—to see which is better at reducing dangerously high pressure inside the skull after a severe traumatic brain injury. The study includes 100 adults with severe head injuries and uses a simple ultrasound measu…

This trial tests whether clazakizumab, an experimental anti-inflammatory drug, can lower a blood marker of inflammation called hsCRP in adults who have elevated levels and are at increased risk for heart problems. Participants must have conditions like established heart disease, …

This trial tests whether a traditional Chinese herbal formula, Fuzheng Yangxin, can help people recover better after coronary artery bypass grafting (CABG), a common heart surgery. The study includes 230 patients who have the surgery and show signs of a specific imbalance (qi-yin…

This trial tests whether nicotinamide riboside, a form of vitamin B3, can improve walking ability in people aged 50 and older with peripheral artery disease (PAD). Participants will take either the supplement or a placebo for six months. The main goal is to see if the supplement …

This trial tests a 12-week community program for older stroke survivors who also have high blood pressure or type 2 diabetes. Participants take part in physical activities like exercise and nutrition education, plus cognitive games on an AI-enabled large screen. The goal is to se…

This trial tests whether a team-based care program, initiated in the emergency department, can help adults with severely elevated blood pressure achieve better control. Participants are randomly assigned to either the team-based program or usual care. The team-based program inclu…

This clinical trial is evaluating an investigational medical device that has not been approved or cleared by the U.S. FDA. The study aims to assess the device's safety and how well it works in participants with a specific medical condition. By gathering data on the device's perfo…

This trial compares two ways of managing high blood pressure: using a cuffless wearable device that tracks blood pressure continuously for 24 hours versus traditional office measurements. About 3,000 adults with high blood pressure will be randomly assigned to one of the two stra…

This trial is testing whether preparing a blocked leg artery with a special 'scoring' balloon before using a drug-coated balloon improves outcomes compared to using a standard balloon. The study involves people with severe leg artery disease (critical limb-threatening ischemia) w…

This trial tests whether icosapent ethyl, a purified form of fish oil, can stabilize high-risk coronary plaques in people with heart disease. Participants have plaques that narrow a major heart artery by 30–70% and show at least one high-risk feature on a CT scan. Half will take …

This study tests a 6-month program where patients work with a pharmacist and their primary care doctor to make shared decisions about medications and lifestyle. The goal is to see if this team-based approach improves heart and kidney health scores and medication adherence. The st…

This trial tests whether an experimental drug called CS1, taken as a daily pill, can improve blood vessel function in people with pulmonary arterial hypertension (PAH), a condition where high blood pressure in the lungs makes the heart work harder. Participants will receive CS1 o…

This study tests NeoMayor, a smartphone app that gives personalized advice on exercise, diet, sleep, and mood to improve heart health. Researchers will enroll 240 adults aged 55 to 75 in Chile who are at risk for heart problems. Participants use the app for 4 months, and some als…

This trial is testing whether a new heart valve device, called Myval, can safely and effectively treat people with severe aortic regurgitation—a condition where the heart's aortic valve doesn't close properly, causing blood to leak backward. The study involves about 164 adults wh…

This study tests a new laser system designed to vaporize plaque in blocked coronary arteries before doctors place a stent. The trial compares the new laser device to an existing one in about 218 people with severe heart artery narrowing. The main goal is to see if the new system …

This trial tests whether giving empagliflozin before or after a procedure to open a blocked heart artery (primary PCI) reduces heart muscle injury during a heart attack. Adults aged 18-75 of South Asian origin having their first heart attack will be randomly assigned to receive e…

This phase 3 trial is testing whether giving a clot-busting drug before mechanical thrombectomy (a procedure to physically remove a blood clot) improves outcomes for people with severe strokes caused by large vessel occlusion. Participants are randomly assigned to receive tenecte…

This trial tests whether a minimally invasive heart bypass surgery, done through a small incision on the left side of the chest, helps frail adults aged 60 and older recover better than the traditional approach of opening the breastbone. Participants are randomly assigned to one …

This trial tests a new device called the Angimis Atherectomy System, which uses laser energy to break up plaque in coronary arteries that are too narrow or hardened for standard balloon or stent procedures. The study enrolls adults with coronary artery disease who have at least o…

This trial compares two methods for closing the main artery in the leg after a TAVI procedure, which replaces a heart valve without open surgery. Half of the participants will have the artery closed with a single suture device, while the other half will receive a hybrid approach …

This trial tests whether dapagliflozin, a drug used for diabetes, can improve blood flow in the tiny vessels of the heart in people with angina (chest pain) but no blocked coronary arteries. Participants will take either dapagliflozin or a placebo daily for 180 days. The study me…

This trial compares two surgical implants—the Baerveldt Glaucoma Implant and the Paul Glaucoma Implant—in people with glaucoma that is not well controlled by eye drops. Both devices are tiny tubes placed in the eye to drain fluid and lower pressure. The study will track which imp…

This trial compares two ways of giving tranexamic acid, a drug that reduces bleeding, to adults undergoing off-pump coronary artery bypass surgery. Half receive the drug as a pill before surgery, while the other half get it through an IV during surgery. The goal is to see if the …

This trial asks whether people with severe aortic stenosis can safely go home the same day after a minimally invasive heart valve replacement (TAVI) instead of staying in the hospital. About 764 patients who are stable six hours after the procedure will be randomly assigned to ei…

This trial tests whether wearing a portable heart monitor for two weeks after a TAVI procedure can reduce the risk of sudden death, dangerous heart rhythms, or stroke within the following year. People who have had a successful TAVI and show certain electrical abnormalities on the…

This study tests a device that uses sound waves (lithotripsy) to break up calcium buildup in the carotid arteries—the main arteries in the neck—before placing a stent to keep them open. The goal is to see if this approach reduces complications like stroke, heart attack, or death …

This trial investigates whether tirzepatide, a drug approved for diabetes and obesity, can improve recovery in people who have had a severe stroke caused by a large artery blockage. Participants receive two injections of tirzepatide—one before a clot-removal procedure and another…

This trial tests whether a hybrid cardiac telerehabilitation program — combining in-person sessions, live video workouts, and remote monitoring — can improve adherence to exercise rehab in people with coronary artery disease or stable heart failure. Participants are randomly assi…

This trial tests whether angiotensin receptor blockers (ARBs), a type of blood pressure medication, can reduce the risk of death or heart failure in people who have had a transcatheter aortic valve replacement (TAVR) for severe aortic stenosis and still have a thickened heart mus…

This trial explores whether starting transdermal estradiol (a skin gel or patch) soon after menopause can protect the heart and brain in women who have hot flashes and at least one cardiovascular risk factor. One hundred women will be randomly assigned to receive the hormone ther…

This trial is testing a new device called the Crea Aortic Valve, a replacement heart valve that can be implanted through a catheter without open-heart surgery. It is designed for people aged 60 and older with severe aortic stenosis—a narrowing of the heart's main valve—who are co…

This trial tests whether a telemedicine program can help Black patients with high blood pressure get better control. The program includes home blood pressure monitoring, medication management, and support from pharmacists, nurses, community health workers, and social workers. Res…

This study compares two ways to guide a minimally invasive procedure that opens blocked arteries below the knee in people with chronic limb-threatening ischemia, a severe form of peripheral artery disease. One group receives standard X-ray guidance (angiography) alone; the other …

This trial tests whether a 9-month program called STEP COACH can help people with coronary artery disease stay physically active after completing cardiac rehab. Participants use their own smartwatch or smartphone to track steps and receive coaching on increasing both step volume …

This study looks at whether using a smartphone app to guide slow breathing, combined with aerobic exercise, can help lower blood pressure in people with essential hypertension. Seventy-five adults aged 40-50 with stage 1-2 hypertension will be split into three groups: breathing p…

This study tests whether the drug vericiguat can slow the buildup of calcium on the aortic valve in people with mild-to-moderate aortic valve stenosis. Participants take vericiguat or a placebo daily for 24 months, with regular heart scans to track valve calcium and function. The…

People living with HIV have twice the risk of heart attacks and stroke compared to the general population. This trial tests whether integrating clinical pharmacists into HIV care can improve blood pressure control and reduce cardiovascular disease risk. The study enrolls 450 adul…

This study will follow 5,000 adults with carotid artery disease who receive a treatment called TCAR using the ENROUTE system. The goal is to see how safe and effective the device is in real-world settings, especially for groups not well-studied before. Researchers will track majo…

This study investigates whether Songling Xuemaikang capsules, a traditional Chinese herbal formula, can help people with both high blood pressure (hypertension) and insomnia. About 260 adults aged 18–79 with mild hypertension and sleep difficulties will take either the herbal cap…

This study tests whether a single injection of Recaticimab, a cholesterol-lowering drug, can help people recover better after a stroke caused by narrowed brain arteries. About 1,200 participants will receive either the drug or a placebo, plus standard care. The main goal is to se…

This study tests whether people with pulmonary arterial hypertension (PAH) who are doing well on the drug sotatercept can safely stop their background prostacyclin therapy. Prostacyclin drugs can cause side effects and are hard to manage. The trial compares patients who slowly st…

This study tests whether a patient navigator — a trained staff member who helps connect people with health services — can improve long-term heart health for those who had high blood pressure disorders during pregnancy. About 60 participants will be randomly assigned to receive ei…

This study tests whether a specially formulated omega-3 supplement, with a high ratio of EPA to DHA, can reduce inflammation and improve blood vessel function in people with pulmonary arterial hypertension (PAH). Participants take four capsules daily for 12 weeks alongside their …

This trial investigates whether photobiomodulation—applying low-level laser light to the surgical wound—can improve healing and reduce complications after coronary artery bypass grafting (CABG). It compares two methods of harvesting the saphenous vein (the conventional technique …

This clinical trial is testing a new heart valve replacement system called Encantor, which uses software to guide placement of the valve. The study includes 150 adults with severe aortic stenosis who are candidates for a minimally invasive procedure. Researchers will track how ma…

This pilot study tests whether a three-week inpatient cardiovascular rehabilitation program, started three months after abdominal aortic aneurysm repair, improves cardiorespiratory fitness more than standard post-operative care. Researchers will measure changes in maximal oxygen …

This trial tests whether a newer balloon-expandable heart valve with intermediate sizes (Myval) is as safe as a standard self-expanding valve (Evolut) in people with severe aortic stenosis whose valve measurements fall in a 'borderline' range. About 600 participants will be rando…

This study tests whether a new drug called baxdrostat can lower blood pressure in Chinese adults whose hypertension remains uncontrolled despite taking two or more blood pressure medications. Participants receive either baxdrostat or a placebo daily for 12 weeks, while continuing…

This trial investigates whether patients with acute coronary syndrome can safely stop taking aspirin soon after a heart stent procedure and continue with only a potent antiplatelet drug (ticagrelor or prasugrel). The standard approach is to take both aspirin and a P2Y12 inhibitor…

This pilot study tests a new catheter device designed to deliver clot-dissolving medication directly to blood clots in the lungs of adults with intermediate-risk pulmonary embolism. The goal is to see if the device can be used safely and as intended. All 20 participants will rece…

This study tests whether using a temporary heart pump (CorVad) during a procedure to open blocked arteries (PCI) can improve outcomes for people with complex coronary artery disease and a very weak heart (ejection fraction below 35%). Half of the 452 participants will receive the…

This study tests an experimental drug called REGN22530 in people with primary open angle glaucoma or ocular hypertension. The drug is designed to block a protein in the eye that causes fluid buildup and high pressure. Researchers are checking for side effects, how the drug moves …

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

This study tests whether a blood test measuring the sFlt-1/PlGF ratio can help doctors decide the best time to deliver babies in women with severe early-onset preeclampsia. The trial will include 386 pregnant women between 30 and 34 weeks of gestation. Half will have delivery tim…

This study tests whether a 12-week tele-pulmonary rehabilitation program, done at home via an app with a physiotherapist, helps people with chronic lung diseases start and stick with rehab better than going to a center. 90 patients will be randomly assigned to either remote rehab…

This pilot study tests a new device that uses radiofrequency energy to calm overactive kidney nerves, which can drive high blood pressure. Twenty adults with untreated mild hypertension will either get the real procedure or a sham (fake) one. The main goal is to see if the real t…

This pilot study tests whether a connected blood pressure monitor, supervised daily by a healthcare assistant, helps patients with blood cancers like CLL or lymphoma stick to home monitoring. The goal is to catch and manage high blood pressure early, a common side effect of BTK i…

This study tests whether a low dose of colchicine, a common anti-inflammatory drug, can slow down blood vessel hardening and bone problems in people with stage 3 chronic kidney disease. About 60 adults will take colchicine or receive usual care for 12 months. The goal is to see i…

This Phase 3 trial tests whether adding baxdrostat (Baxfendy) to standard care can improve heart structure and function in 286 adults with high blood pressure and thickened heart walls. Participants take either baxdrostat or a placebo daily for 12 months, with heart scans and reg…

This trial investigates whether a diet rich in polyphenols—including daily cocoa and extra fruits and vegetables—can reduce oxidative stress and improve blood vessel function in pregnant women. Researchers will randomly assign 60 pregnant women to receive dietary counseling and c…

This trial tests whether a specialized scoring balloon, called Naviscore, can better prepare calcified coronary arteries before placing a drug-eluting stent. Hardened plaques often prevent stents from expanding fully, raising risks of re-narrowing or clots. About 200 adults with …

This study will test whether measuring blood pressure at home and having weekly phone meetings with a pharmacist can help control high blood pressure. About 420 adults from two emergency department clinics will take part. Half will use the home monitoring and telehealth program f…

This Phase 2 trial tests whether a fixed-dose combination of leucine, sildenafil, and metformin (NS-0200) can lower blood pressure in adults aged 18 to 75 with hypertension. About 150 participants receive one of two doses of the combination or a placebo for 12 weeks. The main goa…

This study looks at whether low doses of two older blood pressure drugs, spironolactone and chlorthalidone, can safely lower blood pressure in people with moderate to advanced chronic kidney disease (CKD). About 160 U.S. Veterans with CKD and high blood pressure will take the dru…

This study tests whether a 12-week program of healthy eating, supervised exercise, and wellness coaching can lower blood pressure and improve kidney health in adults with advanced chronic kidney disease. Participants are randomly assigned to either the lifestyle program or routin…

This study compares two types of blood thinners—antiplatelet drugs (like aspirin) and anticoagulants (like warfarin)—in 1100 people who have a torn neck artery causing a stroke or mini-stroke. The goal is to see which strategy better prevents another stroke, major bleeding, or de…

This study compares a moderate statin (pitavastatin) combined with ezetimibe against high-intensity statins (atorvastatin or rosuvastatin) in patients aged 75+ with coronary artery disease who need a stent. The goal is to see if the combo is just as good at preventing heart attac…

This study looks at a special stent (a small mesh tube) coated with a drug called sirolimus, used to open blocked heart arteries. Researchers will follow 300 adults who received this stent during a standard heart procedure to see how safe and effective it is over 5 years. The mai…

This study tests whether adding extra ultrafiltration (a gentle fluid-removal procedure) for 4 or 8 weeks can safely reduce excess fluid in people on hemodialysis. The goal is to lower high blood pressure and relieve symptoms like congestion. About 120 adults with end-stage kidne…

This study looks at whether eating all meals within an 8-hour window earlier in the day can improve heart health in adults aged 60 and older who have high blood pressure and often skip breakfast. Over 12 weeks, participants will either follow this eating schedule or stick to thei…

This study tests whether a short, controlled clamping of the aorta before aneurysm surgery can prevent acute kidney injury. About 206 patients will be randomly assigned to receive this preconditioning or standard care. The goal is to see if this simple procedure lowers the risk o…

This study looks at a device called ShortCut that splits old heart valve leaflets before placing a new valve inside it. The goal is to keep the arteries open and prevent blockages. About 150 people with aortic stenosis who are at risk for this complication will take part. Researc…

This pilot study in Colombia will test whether a nursing program that tailors education and counseling to each patient's needs can help people with high blood pressure or type 2 diabetes stick to their medications and achieve better disease control. About 100 to 200 adults alread…

This trial tests a new type of stent that dissolves over time for children under 9 with narrowed arteries in or near the heart. The stent opens the vessel and then gradually disappears, allowing the artery to grow naturally. The study will enroll 45 children and follow them for 5…

This study compares two drugs, vasopressin and norepinephrine, given during and after surgery to remove chronic blood clots from the lungs. The goal is to see which drug better controls blood pressure in the lungs without harming the rest of the body. About 90 adults scheduled fo…

This study tests a step-by-step treatment plan for people with a narrowed aortic valve who also have leaky mitral or tricuspid valves. After a minimally invasive procedure to fix the aortic valve, doctors will check if the other valves still leak badly. If so, additional procedur…

This study looks at whether a long-acting injectable HIV prevention drug (cabotegravir) can be delivered fairly and effectively in NHS sexual health clinics. Researchers will follow 200 people taking the drug for 12 months, along with 20 healthcare professionals, to see how well …

This study will compare a newer, less invasive heart procedure called hybrid revascularization to standard coronary artery bypass grafting (CABG) in over 1,000 people with multiple blocked heart arteries. The hybrid approach combines a small incision to graft a key artery with st…

This Phase 3 trial tests a new eye drop, DNN.31.19.026, against a standard treatment (Cosopt) for people with high eye pressure or open-angle glaucoma. About 336 adults will use the drops twice daily for 56 days. The main goal is to see if the new drop lowers eye pressure better …

This Phase 3 study tests VI-0106, an extended-release form of tacrolimus, in 300 people with pulmonary arterial hypertension (PAH) who still have trouble with daily activities despite taking standard PAH medications. Participants will receive either the drug or a placebo for 24 w…

This study compares two cholesterol-lowering strategies in 6,000 Chinese patients with very high-risk heart disease. One group aims for ultra-low LDL cholesterol below 1.0 mmol/L, while the other targets a moderate level of 1.0-1.39 mmol/L. Researchers will track heart attacks, s…

This study tests whether combining a Bluetooth blood pressure monitor with regular support from a community health worker can help Black women control high blood pressure after pregnancy. About 404 women will be randomly assigned to either this extra support or standard care. The…

This pilot study tests two ways of running a temporary heart pump (Impella CP) during a high-risk procedure to open blocked heart arteries in patients with weakened heart muscle. Fifty patients will be randomly assigned to either an automatic mode that adjusts flow or a fixed low…

This study tests a procedure called renal denervation, which uses a catheter to calm overactive nerves in the kidneys, in 1,000 people with both resistant hypertension and multivessel coronary artery disease. Participants will undergo the procedure during a planned heart stent op…

This phase 2 trial tests whether adding tiprelestat (elafin) to standard care improves blood flow in the lungs for people with pulmonary arterial hypertension (PAH). About 90 adults with moderate to severe PAH will receive either a daily injection of tiprelestat or a placebo for …

This study tests whether giving a clot-busting drug called tenecteplase before a mechanical clot removal procedure helps people with large ischemic strokes recover better than the procedure alone. About 486 adults with large-vessel occlusion strokes will be randomly assigned to o…

This study tests a new approach for women with chest pain who don't have blocked arteries. Doctors will use special tests to find the exact cause of the pain, then give each woman a personalized treatment plan. The goal is to see if this tailored approach improves symptoms and qu…

This study compares 1 month versus the standard 6 months of dual antiplatelet therapy (two blood thinners) in people who had a balloon procedure for small coronary artery disease. About 1,484 adults with stable angina or silent ischemia will be randomly assigned to either short o…

This study tests whether adding alirocumab (a cholesterol-lowering injection) to standard statin therapy can reduce bleeding inside fatty plaques in the carotid artery. About 280 people with a recent mini-stroke or stroke due to a 50-69% blocked neck artery will receive either al…

This study tests whether the drug propranolol can prevent heart injury after breast cancer surgery in women who also have high blood pressure or angina. One hundred participants will either receive propranolol before surgery or standard care. Researchers will measure heart stress…

This pilot study checks if a bigger trial on low-dose aspirin for people with early, symptom-free coronary artery disease can be done. It will enroll 48 adults with signs of artery narrowing but no symptoms. The main goal is to see if doctors can recruit enough patients and if pa…

This study tests a traditional Chinese medicine mixture (red ginseng, notoginseng, and rhubarb) to help people recover from a hypertensive brain bleed without surgery. About 902 participants will receive either the herbal mix or a placebo for 28 days, alongside standard care. The…

This study is for adults aged 40 and older who have two or more chronic conditions like high blood pressure, diabetes, or depression. Researchers are testing a program that includes a digital decision-support system for doctors, telemedicine for specialist advice, and a mobile ap…

This study tests whether an early, aggressive approach—using a catheter to open and stent high-risk plaques seen on a CT scan—plus medication is better than medication alone for preventing heart problems. About 2,500 people with coronary artery disease will be randomly assigned t…

This study tests whether the drug finerenone can help people with heart failure who have had a heart valve replacement (TAVI). About 2,800 older adults will be randomly assigned to receive finerenone or a placebo. The goal is to see if the drug lowers the chance of death or worse…

This study tests whether using a balloon guide catheter during carotid artery stenting can prevent small particles from traveling to the brain and causing strokes. About 126 people with narrowed neck arteries will be randomly assigned to receive the balloon protection or standard…

This early study tests a new device that combines a balloon with sound waves to treat blocked arteries in the legs, a condition called peripheral artery disease (PAD). The device is designed to crack hard plaque and widen the artery. The study will include 30 people with moderate…

This study looks at how safe and effective the SAPIEN 3 heart valve is for people with a certain type of bicuspid aortic valve stenosis (Type-0). About 170 people in China will be observed after the procedure to track serious problems like death, stroke, or rehospitalization. The…

This study tests whether covered stents are better than bare metal stents for people with narrowed kidney arteries caused by atherosclerosis. About 150 participants will be randomly assigned to one stent type and followed for 12 months to see changes in kidney function and blood …

This study compares a new stent that releases sirolimus and ascorbic acid (vitamin C) to a standard everolimus-releasing stent in over 2,000 people with coronary artery disease. The goal is to see if the new stent is as good at preventing heart-related complications like death, h…

This phase II trial tests whether adding bosentan to standard steroid treatment helps people with giant cell arteritis (GCA) avoid relapses and reduce steroid use. About 40 adults with GCA will receive either bosentan plus steroids or steroids alone for 3 months, then be followed…

This small pilot study will test a pharmacist-led program to control high blood pressure and cholesterol in 10 people aged 50-75 who carry the APOE ε4 gene, a major risk factor for Alzheimer's. Participants will take specific medications for six months to see if managing these he…

This trial tests a new stent called SILANCE for people with idiopathic intracranial hypertension (IIH), a condition where high pressure inside the skull causes severe headaches, ringing in the ears, and vision problems. The stent is placed in a narrowed vein in the brain to impro…

This study tests whether people with giant cell arteritis (GCA) can safely take steroids for only 8 weeks instead of the usual 26 weeks when also using the drug tocilizumab. About 178 participants will be randomly assigned to one of two treatment lengths. The goal is to see if th…

This study looks at people with narrowed kidney arteries and high blood pressure. It uses a special pressure measurement (FFR) to decide who gets a stent and who gets only medication. The goal is to see which approach better protects kidney function and controls blood pressure ov…

The ROOT study is testing a personalized nutrition program for pregnant women. Participants receive standard prenatal care plus customized diet and lifestyle plans based on their genes and nutrient levels. The goal is to see if this approach can lower the chances of preterm birth…

This study tests if using only drug-coated balloons is as safe and effective as stenting for treating blocked heart arteries at branch points. About 272 people with chronic coronary syndrome will be randomly assigned to one of the two treatments. Researchers will track deaths, he…

This study tests whether giving a drug called tirofiban directly into the artery right after a clot is removed can help people recover better from a severe stroke. About 344 adults who had a large-vessel blockage stroke will be randomly assigned to receive the drug or not. The ma…

This study tests whether a drug-coated balloon (DCB) is as safe and effective as a drug-eluting stent (DES) for treating large blockages in heart arteries. About 2,492 patients will be randomly assigned to receive either a balloon or a stent, guided by advanced imaging. The goal …

This trial compares two latest-generation heart valves (SAPIEN 3 Ultra Resilia and Evolut FX) in 200 patients with severe aortic stenosis. Participants will be randomly assigned to receive one valve during a standard procedure and followed for one year. The goal is to see which v…

This study tests whether a drug-coated balloon is as good as or better than a drug-eluting stent for people with multiple blocked heart arteries. About 892 adults with stable heart disease or recent heart attack will be randomly assigned to one of the two treatments. The goal is …

This study looks at whether a program called HEARTS can help people who have both high blood pressure and diabetes get better care. About 1,440 adults in Guatemala will take part, and clinics will either use the HEARTS program or continue their usual care. The program includes tr…

This registry will follow 200 people with severe aortic valve stenosis who receive a non-invasive ultrasound therapy called Valvosoft. The treatment uses focused sound waves to soften calcium buildup on the valve without surgery. Researchers will track safety and effectiveness fo…

This study tests a new way of managing care for older adults (ages 60-74) who have both high blood pressure and type 2 diabetes. About 960 people from rural community health centers will either receive the new integrated care package or continue with standard care. The goal is to…

This study tests whether a smartphone app powered by artificial intelligence can help adults recover after heart surgery. 500 patients will either use the app plus standard care or standard care alone. The app gives personalized advice on medications, spotting complications early…

This trial is for people whose surgically implanted aortic heart valve has stopped working properly. It compares two types of replacement valves placed through a tube in the leg (TAVI): a newer self-expanding valve (Hydra) versus standard balloon-expandable valves (Sapien or MyVa…

This study tests whether cooling the head (using a special cap) during emergency stroke treatment can reduce the amount of brain tissue that dies. About 182 adults having a major stroke and undergoing a clot-removal procedure will be randomly assigned to receive either standard c…

This study tests whether using a blood-pressure cuff device (called chronic remote ischemic conditioning) along with mindfulness audio sessions can improve blood flow to the heart in people with coronary artery disease who couldn't have all blockages opened. About 480 adults with…

This study tests a new device called the Shockwave C2 Aero, which uses sound waves to break up calcium deposits in heart arteries before placing a stent. About 200 people with coronary artery disease will be enrolled across 8 U.S. sites. The goal is to see if the device works saf…

This study looks at whether a common heart valve replacement (TAVI) can be performed safely in hospitals that do not have a cardiac surgery team on-site. Currently, TAVI is only done in hospitals with heart surgery backup, which can cause long wait times. The trial will randomly …

This pilot study tests a simple method to reduce wound complications after groin vascular surgery. Surgeons will inject a blue dye into the skin around the surgical wound to make any lymphatic leaks visible, then repair them immediately. The study will enroll 60 adults and track …

This phase 2 trial tests whether secukinumab, a drug that blocks IL-17A, can help people with active severe Takayasu arteritis achieve remission and stop taking steroids. About 52 participants will receive either secukinumab injections or standard care (like TNF inhibitors). The …

This study looks at whether people with atrial fibrillation who have had a successful heart ablation and also have a heart stent can safely stop taking blood thinners. Participants who maintain a normal heart rhythm for at least a year after ablation will either continue blood th…

This study tests a drug called sotatercept in 40 adults with congenital heart disease and Eisenmenger syndrome, a serious condition where blood flow in the lungs is blocked. The drug is given as a shot every three weeks for 24 weeks. The goal is to see if it safely lowers pressur…

This study tests whether a clot-dissolving drug called tenecteplase works better than standard antiplatelet pills for people who have a mild but disabling stroke caused by a large blocked artery. About 864 adults who arrive at the hospital 4.5 to 24 hours after symptoms start wil…

This study tracks 1,200 people with coronary artery disease who receive a drug-coated balloon instead of a metal stent during angioplasty. The goal is to see if this approach reduces heart-related deaths, heart attacks, and the need for repeat procedures. Researchers hope to conf…

This trial tests whether using a laser device (Auryon Atherectomy System) along with standard balloon angioplasty is safer and more effective than balloon angioplasty alone for treating severe blockages in the lower leg arteries. The study will enroll 50 people with critical limb…

This study tests whether a daily low-dose anti-inflammatory drug (colchicine) can prevent blood clots from forming on replacement heart valves after a minimally invasive valve procedure (TAVR). About 116 people who have had TAVR will either receive colchicine plus standard care o…

This study tests whether giving a clot-busting drug called tenecteplase directly into the brain artery can help stroke patients who still have blocked blood flow after a standard clot removal procedure. About 344 adults with a major stroke will be randomly assigned to receive eit…

This study tests whether sending people with suspected severe stroke directly to the angiography suite (instead of first getting a CT or MRI) can speed up treatment and improve recovery. About 568 adults with stroke symptoms within 6 hours will be randomly assigned to the direct …

This study tests if a special balloon called the Chocolate PTA balloon prepares leg arteries better than a standard balloon before using a drug-coated balloon to treat blockages. About 242 adults with peripheral artery disease will take part. The goal is to see if the Chocolate b…

This study tests two new drugs, vunakizumab and ivarmacitinib, for people with active Takayasu arteritis (TAK), a rare disease that causes inflammation in large blood vessels. The trial will enroll 180 adults aged 18-70 whose disease is still active despite standard treatments. R…

This study looks at whether giving the drug rituximab early, when signs of the disease reappear in the blood, can prevent relapses in people with certain types of vasculitis (GPA and MPA). About 70 adults who have been on maintenance rituximab for at least 18 months will be rando…

This study looks at how well the oral medication selexipag works over the long term for people with a specific type of lung hypertension caused by schistosomiasis (a parasitic infection). Researchers will compare patients who received selexipag as part of routine care to similar …

This study will test whether giving an extra antibiotic during a heart valve replacement procedure (TAVI) can lower the chance of bloodstream infection or death within 6 months. About 2,000 patients in Denmark will take part. Half will get the standard antibiotic, and half will g…

This study compares two treatments for coronary artery disease: a drug-coated balloon and a drug-eluting stent. It focuses on patients with high bleeding risk who need a simpler approach. Researchers will track heart attacks, strokes, and bleeding events to see which option is sa…

This study tests whether adding adenosine to the standard heart-protecting solution used during bypass surgery helps the heart recover better. Sixty adults having elective valve or bypass surgery will receive either adenosine or a placebo. Researchers will measure heart function,…

This study tests a 12-month community program to help adults with high blood pressure in Bangladesh. The program includes group classes, one-on-one coaching, and tools like blood pressure monitors and reminder calendars. Researchers will compare blood pressure changes in 480 peop…

This study tests whether adding a second balloon inflation (called 'double tap') after placing a new heart valve improves how well the valve opens and works. About 250 adults with severe aortic stenosis getting a TAVI procedure will be randomly assigned to receive the standard pr…

This study tests a 12-week program that combines a healthy diet, exercise, sleep, and stress management with a careful plan to reduce blood pressure medication. The goal is to see if people with high blood pressure can stop taking their pills and keep their blood pressure normal.…

This study tests if using a drug-coated balloon along with a stent works better than a stent alone for people with complex blockages in the left main coronary artery. About 186 adults with this condition will be randomly assigned to one of two treatments. The goal is to see which…

Researchers are testing whether a smartphone app called Stethophone can help primary care doctors find moderate or severe aortic stenosis in adults aged 70 and older. The app turns a phone into a digital stethoscope and analyzes heart sounds for murmurs that may signal the condit…

Researchers are testing a soft, wearable ultrasound patch that sticks to the chest and continuously images the heart in adults and children with severe heart conditions in intensive care. The study compares heart function measurements from the patch with results from standard bed…

Researchers at Massachusetts General Hospital are studying whether molecular imaging and detailed biological profiling can predict how quickly aortic stenosis gets worse. The trial enrolls 100 adults with mild to moderate calcific aortic stenosis. Participants receive a baseline …

Researchers are testing whether a non-invasive device that reads the heart's magnetic signals can help emergency department doctors tell high-risk from low-risk chest pain. The study enrolls adults 22 and older who arrive with symptoms suggesting a possible heart attack and who f…

Acute kidney injury is a common complication after coronary artery bypass grafting. This observational study examines whether two measurements from kidney Doppler ultrasound, the renal augmented velocity index and the renal resistive index, can predict which patients will develop…

Researchers at Assiut University are studying whether two ultrasound measures of fetal heart function and blood flow can predict poor outcomes in pregnancies complicated by diabetes or preeclampsia. The study enrolls 69 pregnant women, including those with gestational diabetes, p…

Researchers are studying whether two bedside ultrasound techniques can help emergency doctors identify traumatic brain injury patients at risk of getting worse within 24 hours. The study enrolls 60 adults with acute traumatic brain injury and a low Glasgow Coma Scale score who ar…

Researchers are testing a noninvasive MRI technique that uses inhaled hyperpolarized xenon gas to measure lung function in adults with interstitial lung disease, pulmonary hypertension, and systemic sclerosis. The study includes about 51 participants, including healthy volunteers…

Peripheral artery disease narrows the vessels that carry blood to the legs, and surgery to restore flow does not always go well. Researchers at Fudan University are studying whether CT perfusion, a scan that measures blood flow in tiny vessels, can help predict which patients wil…

Carotid endarterectomy removes plaque from the neck artery, and surgeons clamp the artery briefly during the operation. In awake patients, doctors check hand strength and speech to decide if a shunt is needed. This study tests whether a forehead sensor that measures brain oxygen …

Researchers are testing an experimental PET imaging tracer called 18F-S2P to see how well it detects inflamed plaques in people with large-artery atherosclerosis. About 200 adults aged 40 to 80 with suspected atherosclerosis receive an intravenous dose of the tracer and then unde…

Researchers at Assiut University are investigating whether the severity of erectile dysfunction mirrors the severity of coronary artery disease in men aged 18 to 50. The study enrolls 120 men who are undergoing coronary angiography for suspected or confirmed heart conditions. Par…

This study will test a new type of CT scanner that uses silicon-based detectors to take detailed pictures of the heart. The goal is to see if it can provide clearer images of coronary arteries while using less radiation and contrast dye than current scanners. About 1,000 adults r…

Researchers are testing whether an open-source artificial intelligence model can measure coronary artery calcium on routine chest CT scans that were not originally taken for heart imaging. The study uses existing scans from about 1,950 people at a German hospital, including patie…

This trial tests whether a bedside ultrasound of the eye can reliably detect raised pressure inside the skull, a condition that can damage the brain if not treated quickly. Researchers will measure the optic nerve sheath diameter in adults suspected of having high brain pressure …

Researchers at Assiut University are testing whether a new ultrasound measurement, the Amniotic-Umbilical-to-Cerebral Ratio (AUCR), can predict complications in newborns of women with hypertensive disorders of pregnancy. They will compare AUCR with the traditional Cerebroplacenta…

This trial tests whether a Huawei smartwatch can measure blood pressure accurately with fewer readings than the standard 24-hour monitor, which inflates a cuff every 15 to 30 minutes and often disrupts sleep. About 500 adults in Malaysia will participate, with a subgroup of 50 un…

This study tests whether a Huawei smartwatch can accurately identify adults at risk for hypertension (high blood pressure) in everyday settings. About 500 adults in Malaysia will wear the smartwatch, which uses light sensors to estimate blood pressure. A subgroup of about 50 peop…

This trial tests whether an AI-guided handheld ultrasound, used during routine primary care or geriatrics visits, can detect serious heart valve disease and weak heart muscle in adults aged 65 to 85 who have no known heart problems. Half of the participants will receive this quic…

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

This trial tests whether two non-invasive tools can help paramedics detect dangerously high pressure inside the skull in patients with sudden brain injury, such as stroke or head trauma, before they reach the hospital. The tools are a wearable sensor placed on the head and an ult…

This study looks at whether measuring the collapsibility of the internal jugular vein in the neck using ultrasound can predict low blood pressure after general anesthesia. Researchers will measure the vein in 42 adults before gallbladder surgery and track blood pressure changes r…

This trial tests whether a smartphone app called Antshrike, paired with a smartwatch, can predict heart attacks or strokes within 3-4 days in people at high risk. Participants aged 40 to 79 with existing heart disease or elevated risk will wear the smartwatch for 18 months while …

This trial tests whether a portable handheld Doppler device can help nurses quickly detect arterial insufficiency in people with diabetes who have foot ulcers. The device checks for blood flow in the great toe, and the goal is to see if it can reliably flag patients who need furt…

This trial tests whether an accelerated heart MRI scan, taking only 15 to 20 minutes, can diagnose coronary artery disease as accurately as the standard 45- to 50-minute scan. About 2,000 adults with suspected coronary heart disease will be randomly assigned to receive either the…

This study explores whether a newer type of SPECT/CT scan can accurately measure blood flow in the heart, similar to the more expensive and less available PET scan. Researchers will compare the two imaging methods in 30 adults with coronary artery disease who are already schedule…

This study tests whether an artificial intelligence system called AngioAI+ can accurately diagnose two types of coronary artery disease using standard angiogram images. The research involves 620 adults with suspected coronary artery disease who are already scheduled for an angiog…

This study explores whether an additional CT scan of the heart, taken right after a standard scan for lung clots, can effectively detect blood clots in the left atrial appendage (LAA) in people with atrial fibrillation. Currently, detecting these clots requires a more involved pr…

This study will test a new type of PET/CT scanner, called Long-Axial Field-of-View (LAFOV), to see if it can provide clearer images of blood vessel inflammation in people with large vessel vasculitis (LVV). The scanner is more sensitive and can image the whole body faster, potent…

This pilot study will test whether breathing controlled amounts of carbon dioxide (CO2) can help doctors see blood flow in the heart using MRI, without needing standard contrast dyes. Thirty adults with known or suspected coronary artery disease will take part. The goal is to che…

This pilot study tests whether a computer-controlled device that delivers precise gas mixtures can safely help identify coronary artery disease in people without known heart problems. Eighty healthy adults aged 45 and older will breathe different gas concentrations while their vi…

This study looks at whether a special heart scan (CZT-SPECT) can better predict heart attacks, strokes, and heart failure in people with chronic kidney disease. Current tests often miss heart problems in these patients. The study will follow 283 participants for two years to see …

This study will test a new, non-invasive bedside scan (3D-EIT) to see if it can accurately diagnose and monitor pulmonary embolism (blood clots in the lungs) without using radiation. About 115 adults with and without clots will participate. The goal is to provide a safer, easier …

This study tests advanced CT scans to find dangerous blockages in heart arteries without needing to insert a tube into the heart. About 142 adults with moderate blockages will get two types of CT scans, and results will be compared to the standard invasive test. The goal is to se…

This study looks at how quickly the optic nerve sheath shrinks after starting steroids in people with giant cell arteritis, a condition that can cause blindness. Researchers will use eye ultrasounds and blood tests over two months in 60 newly diagnosed patients. The goal is to fi…

This study is testing a new digital stethoscope that listens for subtle changes in heart sounds to detect coronary artery disease and valve problems earlier. Researchers will record heart sounds from 500 adults who are already scheduled for heart scans or echocardiograms. The goa…

This study looks at whether a non-invasive ultrasound of the heart can diagnose blood vessel problems in people with chest pain but no blocked arteries. About 35 patients who previously had an invasive heart test will get an ultrasound instead. The goal is to see if the ultrasoun…

This trial tests a tool called SCOUT that helps doctors check AI-generated diagnoses for coronary heart disease. Seven cardiologists will review cases either with SCOUT's assistance or through standard manual review. The goal is to see if SCOUT can reduce the time doctors spend p…

Researchers are testing whether mild electrical stimulation of a nerve in the ear can prevent atrial fibrillation, a common irregular heartbeat, after off-pump coronary artery bypass surgery. Adults scheduled for this heart surgery receive either the stimulation plus standard car…

Spinal anesthesia for cesarean delivery often causes a sudden drop in blood pressure. Researchers are testing different infusion rates of phenylephrine, a drug that narrows blood vessels, to find the dose that prevents this drop in most women. The trial enrolls 200 women with ful…

Chronic pain after heart surgery through a breastbone incision affects many patients and can last for years. Researchers are testing whether an ultrasound-guided nerve block, given after anaesthesia but before the first cut, can reduce the chance of chronic pain three months late…

Researchers in South Savo, Finland, invite residents turning 45, 50 or 55 to take a blood test that measures many small molecules at once. The test estimates each person's 10-year risk of type 2 diabetes, heart attack, stroke, chronic kidney disease and fatty liver disease. Peopl…

This study tests whether a numbing injection around a nerve cluster in the neck, given just before heart bypass surgery, can prevent a common complication called atrial fibrillation (irregular heartbeat) in the first week after surgery. About 450 adults scheduled for bypass will …

This trial tests whether a school-based program called Operation ToneUp can improve fitness, nutrition knowledge, and blood pressure in children in grades 3 through 6. Students in participating schools will complete two 20-minute web-based sessions each week during class time, fo…

This study looks at how to make HIV prevention pills (PrEP) easier for young people to get and keep using. Researchers will follow 1000 current or eligible PrEP users in Alabama and Botswana for 2 years. They will also create and test a decision-support toolkit to help patients a…

This trial tests whether high-intensity cholesterol-lowering therapy prevents strokes and heart problems better than moderate therapy in adults with narrowing of brain arteries but no symptoms yet. Participants are randomly assigned to one of two treatment strengths and followed …

This phase 3 trial will test whether a low dose of the blood thinner rivaroxaban plus aspirin can prevent recurrent strokes better than the standard clopidogrel plus aspirin in people with narrowed brain arteries. About 1,172 participants who recently had a stroke or high-risk TI…

This trial compares two drugs, dexamethasone and ondansetron, given before spinal anesthesia for cesarean delivery in women with preeclampsia. Spinal anesthesia often causes a sudden drop in blood pressure, which can reduce blood flow to the placenta and vital organs. Researchers…

This phase 3 trial tests whether orforglipron, a daily oral medication, can help overweight adults reduce their risk of developing obesity-related complications such as type 2 diabetes, high blood pressure, and high cholesterol, as well as progression to class 1 obesity. Particip…

This pilot study tests a lifestyle intervention called BASIC-S, which uses coaching, text messages, and video check-ins to help people improve blood pressure, activity, sleep, social connection, nutrition, and support. The goal is to see if this approach is feasible and acceptabl…

This trial tests whether pairing women who had high blood pressure during or after pregnancy with a trained community health worker for six months can lower their blood pressure compared to usual care. Participants are randomly assigned to receive either standard care or standard…

This trial tests whether eplerenone, a drug that blocks the hormone aldosterone, can prevent the onset of high blood pressure in people aged 30–55 who have a mild, early form of primary aldosteronism but normal blood pressure. Participants will receive either eplerenone or a plac…

This study explores whether offering HIV prevention medication (PrEP) through pharmacies can help more young women aged 18-24 in Tanzania access and consistently use it. Researchers compare four different pharmacy-based service models to standard care, and later test cost-sharing…

This study tests a new way to help young people (ages 13-24) stick with PrEP, a medication that prevents HIV. Participants get PrEP delivered to a community spot (like home or a mobile van) and use a smartphone app for reminders and support. The goal is to see if this combo impro…

This study 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. Over 15,000 women across Europe and Africa will be randomly assigned to stop or continue aspirin. The goal is to see …

This study tests a special silver-coated mesh placed during emergency abdominal surgery to see if it can prevent surgical site infections and incisional hernias. About 110 adults having urgent open abdominal surgery will take part. Researchers will track infection and hernia rate…

This study tests whether a single dose of cold atmospheric plasma applied to the wound during groin surgery can prevent healing complications in 214 high-risk patients with peripheral artery disease. Half will get the real plasma device, half a sham device. Researchers will track…

This study tests whether taking 2,000 IU of vitamin D daily during pregnancy can prevent preeclampsia, eclampsia, and HELLP syndrome in about 2,000 pregnant women in Uganda. Half the women will receive vitamin D and half a placebo, and researchers will track outcomes up to six we…

This study tests whether giving high-flow oxygen through special nasal prongs during a less-invasive heart valve replacement (TAVR) can prevent low oxygen levels and breathing complications. About 452 older adults undergoing TAVR under sedation will be randomly assigned to receiv…

Researchers are testing whether older adults with high blood pressure who report insomnia can improve their sleep by pressing six acupoints on themselves each night for 28 days. The trial compares this self-acupressure routine with sleep hygiene training in 94 participants aged 6…

Aortic arch surgery temporarily cuts blood flow to the brain, which can leave patients with lasting thinking and memory problems. Researchers at Seoul National University Hospital are testing whether anesthesia with remimazolam, rather than propofol, lowers the chance of that cog…

Researchers are testing whether nurse-led lessons delivered through virtual reality or a tablet help people with coronary artery disease understand their heart risks and take their antiplatelet medicines as prescribed. The trial enrolls 54 adults aged 18 to 65 who have coronary a…

Researchers are testing whether a structured prenatal education program based on the Roy Adaptation Model can reduce stress and improve quality of life for pregnant women with hypertensive disorders. The study enrolls 54 pregnant women between 20 and 32 weeks of gestation who hav…

This study tests whether applying mild electrical stimulation to specific acupoints on the wrist before anesthesia can prevent low blood pressure in older adults undergoing surgery. Researchers will compare high-frequency versus low-frequency stimulation in 84 participants aged 6…

This study tests whether using a lower-sodium dialysis fluid can improve blood pressure and blood vessel function in people with kidney failure on hemodialysis. Twenty-five participants will each receive both a low-sodium and a standard-sodium dialysis for three weeks, in random …

This study looks at how a cannabis-based drug (Dronabinol) affects blood pressure and heart function. Researchers will measure blood pressure, heart rate, and nerve activity in 50 healthy adults aged 21-40 who use cannabis occasionally. The goal is to see if cannabis can help man…

Researchers are testing whether squeezing a stress ball during femoral arterial sheath removal after coronary angiography can reduce pain and anxiety and improve patient satisfaction. The trial enrolls 34 adults who had a stent or balloon angioplasty through the femoral artery. H…

This pilot trial tests whether a 12-week home-based exercise program, called ASK, is feasible and beneficial for postpartum women who had high blood pressure during pregnancy. The program combines aerobic exercise, strength training, and Kegel exercises, guided by a mobile app an…

This trial tests whether a 6-week prehabilitation program called Ready for Recovery can help adults prepare for aortic aneurysm repair surgery. The program includes education, health behavior support, psychological symptom reduction, and social support, with weekly phone sessions…

This pilot study tests whether adding regular sauna sessions to usual care can help lower blood pressure in people with primary aldosteronism, a condition that causes high blood pressure. Ten adults will attend three 30-minute sauna sessions per week for two weeks while wearing a…

This trial tests whether wearing a light-blocking eye mask at night can improve sleep quality and reduce delirium in patients recovering from coronary artery bypass graft (CABG) surgery. About 100 adults scheduled for elective CABG will wear the mask during nighttime sleep, and t…

This trial tests whether placing a small catheter near the breastbone to deliver local anesthetic can reduce pain after coronary artery bypass surgery. Half of the participants will receive this catheter-based pain relief, while the other half gets standard care. Researchers will…

This trial tests whether an 8-week daily resistance exercise program can reduce chest pain and improve daily function in women who have angina without blocked coronary arteries (ANOCA). Around 76 to 152 women across 13 hospitals in the UK and Netherlands will be randomly assigned…

This trial tests whether a targeted nerve block, called an adductor canal block, can reduce leg pain after coronary artery bypass grafting (CABG) when a leg vein is used as a graft. About 120 adults scheduled for CABG will receive either the block with a numbing medication or a s…

This study tests whether injecting a local anesthetic near the stellate ganglion in the neck, guided by ultrasound, can improve how patients feel after heart surgery. The block temporarily calms part of the nervous system, which may reduce pain, improve sleep, and lower the risk …

This study tests whether a common water pill (furosemide) can help women with severe preeclampsia recover faster after childbirth and leave the hospital sooner. About 186 women will receive either furosemide or a placebo starting 12 hours after delivery. The goal is to see if the…

This study tests whether injecting a long-acting numbing medicine (bupivacaine) through chest tubes can safely reduce pain and lower the need for strong painkillers after heart bypass surgery. Sixty adults will receive either the numbing medicine or a saltwater placebo whenever t…

This study tests whether eptinezumab, a drug used for migraines, can reduce the number of headache days in adults with idiopathic intracranial hypertension (IIH), a condition where high fluid pressure around the brain causes severe headaches. About 96 women aged 18-55 with chroni…

This study compares two blood pressure medications, amlodipine and a purer version called levamlodipine, to see which causes less ankle swelling in post-menopausal women. About 344 women aged 50-79 with mild to moderate high blood pressure will take a daily pill for 18 weeks. Doc…

This study tests whether a simple self-acupressure routine can help lower blood pressure and reduce stress in people with high blood pressure. Seventy-two adults with primary hypertension will be split into three groups: real acupressure, sham (fake) acupressure, or usual care. T…

This study tests whether adding a special breathing exercise device (IMT Threshold) to standard rehab can help people recover faster after coronary artery bypass graft surgery. The goal is to reduce time in the hospital and prevent serious breathing complications like pneumonia. …

This study tests whether a structured nursing program—including education, emotional support, and follow-up calls—can help heart bypass patients and their caregivers adapt better during recovery at home. About 40 adults who recently had heart surgery and their primary caregivers …

This study will test whether a single dose of beetroot juice can improve blood pressure and heart rate recovery after light cycling in adults with type 2 diabetes. About 20 participants aged 40-65 will receive either beetroot juice or a placebo in random order. The goal is to see…

This study looks at whether beetroot juice can quickly lower blood pressure in pregnant women with pre-eclampsia, a serious condition causing high blood pressure. Researchers will give beetroot juice or a placebo to 60 pregnant women and measure changes in blood pressure, blood m…

This study looks at whether a back massage with mentholated ointment (like Vicks) can lower pain and anxiety in people who just had coronary bypass surgery. 120 adults will be split into three groups: one gets a back massage with mentholated ointment, one gets a back massage with…

This study looks at whether people with a moderate-risk blood clot in the lungs can be safely treated at home instead of staying in the hospital. About 568 adults will be randomly assigned to either go home early or receive standard hospital care. The goal is to see if home treat…

This study tests whether a personalized AI-generated video, delivered by a nurse avatar, can improve recovery for people after coronary artery bypass surgery. About 128 patients will either get standard discharge instructions or the AI video plus standard care. Researchers will m…

This study tests a small mesh device called a coronary sinus reducer in 25 people with severe chest pain from advanced coronary artery disease who cannot have stents or bypass surgery. The device is placed in a heart vein to increase pressure and improve blood flow. Researchers w…

This study is creating a large collection of blood samples and medical information from 1000 adults with or suspected of having pulmonary hypertension (PH). Researchers hope this resource will help them find new ways to diagnose and treat PH. Participants will provide a blood sam…

Researchers want to understand why most IVF embryo transfers fail to implant and what goes wrong in pregnancies complicated by preeclampsia. They will collect small tissue samples from the womb lining of up to 500 women aged 18 to 50 who are already scheduled for a diagnostic hys…

This study will test if an AI chatbot can give helpful nutrition advice to pregnant women. About 100 women will either use the chatbot or get standard care. The goal is to see if the chatbot is easy to use and if it helps improve diet and knowledge about conditions like gestation…

Anti-VEGF injections treat conditions like diabetic macular edema, age-related macular degeneration, and retinal vein occlusion by adding fluid inside the eye, which can briefly raise eye pressure. This observational study at Assiut University follows 50 adults receiving these ro…

Researchers at Assiut University Children Hospital are following 60 newborns diagnosed with pulmonary hypertension, a condition where high blood pressure in the lungs makes breathing difficult. The study collects clinical, laboratory, and heart ultrasound data to see which early …

This study will use transcranial Doppler (TCD) ultrasound to measure blood flow in the brains of 100 people who had a stroke and underwent endovascular therapy (clot removal). The goal is to see if TCD readings can predict complications like bleeding or brain swelling in the days…

This study is testing whether a deep-learning computer model can predict, from a CT scan taken before surgery, which patients will develop a type II endoleak and aneurysm enlargement after endovascular aneurysm repair (EVAR). The model is being developed using data from multiple …

Researchers are studying whether the Evolut FX Plus replacement heart valve allows doctors to reach the coronary arteries after a TAVI procedure. The trial enrolls about 122 people aged 65 and older with severe aortic stenosis. Right after the valve is implanted, doctors try to t…

This early-stage trial is asking whether two medications—one for blood pressure and one for cholesterol—can be safely taken together without affecting how each works. Healthy adult volunteers will receive each drug alone and then both together, so researchers can compare drug lev…

This study looks at how blood test results change after delivery in people with severe preeclampsia. Participants are randomly assigned to receive magnesium for either 12 or 24 hours after birth. The goal is to see if a shorter treatment is safe and effective, and to understand h…

Pulmonary hypertension often goes undiagnosed for a long time because early symptoms are vague. Researchers at Assiut University Heart Hospital are studying whether a longer delay before diagnosis is linked to more advanced disease when patients first present. The study will revi…

This study will create a computer tool to predict which older adults are at high risk for serious problems after heart or blood vessel surgery. It will also test if special programs before and during surgery can help prevent confusion, heart issues, and death. About 1,200 people …

This study tests whether sending an electronic letter to people with heart disease and high cholesterol encourages them to get their cholesterol checked. Researchers will compare those who receive the letter to those who don't, using national health records to track results. The …

This study looks at whether mindfulness-based stress reduction can help Black teenage girls who have been involved with the justice system and their parents or caregivers. About 90 participants will report on stress, PTSD symptoms, and other outcomes before and after the program.…

Researchers are testing whether a one-week stay at sea level improves walking ability and blood oxygen in people with pulmonary arterial hypertension who live permanently above 2600 meters. The study compares these patients with healthy controls from the same altitude, measuring …

This study looks at whether a one-week stay at sea level helps people with pulmonary arterial hypertension (PAH) who live permanently above 2600 meters. Researchers will measure lung function, blood oxygen, and sleep quality before, during, and after the descent and re-ascent. Th…

This study asks whether pregnant women at high risk for preeclampsia understand the condition, its warning signs, and its risk factors. Researchers will interview 160 women at Sohag University Hospital using a standardized questionnaire. The goal is to identify gaps in knowledge …

This study will use heart scans and blood tests to check for early signs of heart disease in 650 adult survivors of childhood cancer. The goal is to better understand who is at highest risk due to past cancer treatments like radiation or chemotherapy. Results will be compared to …

This trial asks whether a one-week stay at sea level can lower blood pressure in the lungs of people with pulmonary arterial hypertension who live permanently above 2600 meters. Researchers will compare heart and lung measurements taken at high altitude with those taken after sev…

This study looks at what happens when people with pulmonary arterial hypertension, a condition that raises pressure in the lung's blood vessels, travel from their homes above 2600 meters down to sea level for a week, and then return. Researchers will measure heart rate variabilit…

Researchers are studying what happens when people with pulmonary arterial hypertension who live above 2600 meters spend a week at sea level. The trial compares their sleep, blood oxygen, and breathing during sleep at altitude and after seven days at sea level. It includes both pa…

This study builds a registry of 400 women who have angina, or chest pain, even though their coronary arteries are not blocked. Doctors call this condition ANOCA, and it is more common in women than men, yet it has been under-studied. The registry will categorize different subtype…

This study tests whether ultrasound of the optic nerve sheath, a marker of brain pressure, can track brain swelling during ascending aortic surgery. Researchers will measure the optic nerve sheath diameter before, during, and after surgery in 134 adults undergoing this procedure.…

This trial tests whether eplerenone, a drug already approved for other conditions, lowers eye pressure in healthy adults. Researchers will compare eplerenone with a placebo in a crossover design, where each participant takes both treatments at different times. Eye pressure is mea…

This study follows 75 older adults having elective heart surgery to understand why some recover quickly while others face complications like delirium or slow recovery. Researchers will measure frailty, physical and mental function, and a blood marker of biological stress called G…

This pilot study tests whether a low-load resistance exercise program for the lower legs can improve blood flow and oxygen use in the calf muscles of people with pulmonary arterial hypertension (PAH). Participants will do the exercises for 12 weeks, and researchers will measure o…

This study looks at how renal denervation, a minimally invasive procedure for hard-to-treat high blood pressure, affects kidney function shortly after and up to a year later. Researchers will measure kidney function and analyze blood and urine samples from 50 adults with resistan…

This observational study follows people with obesity-related heart failure to see how their heart performs during exercise, using stress echocardiography. It observes those who are taking GLP-1/GIP receptor agonists (like semaglutide or tirzepatide) as part of their routine care,…

This study explores whether ultrasound measurements of the eye can detect changes in brain pressure during laparoscopic gallbladder surgery. The surgery uses carbon dioxide gas to inflate the abdomen, which may affect pressure inside the skull. Researchers will compare two differ…

This study investigates clonal hematopoiesis, an age-related condition where blood stem cells acquire mutations, and how it triggers inflammation linked to heart disease. Researchers will compare immune cells from healthy people, those with high-risk mutations, and patients with …

This study tests a mobile health program called SAMU to help adults in Uganda who have HIV, high blood pressure, and mental health issues like depression or anxiety. About 1,500 participants will use their phones for mental health screening and get connected to care. The goal is …

This study is a large international registry that will look back at the medical records of about 1,000 adults who were treated with the AngioVac system, a device that uses suction to remove blood clots, infected tissue, or other unwanted material from the heart and major blood ve…

This study aims to develop and validate a questionnaire called the ProChange scale, designed to measure the barriers and facilitators to lifestyle changes in people at risk for chronic diseases. The scale will be tested in adults aged 45 and older who receive prevention advice on…

This study is a large, real-world registry that will include over 10,000 people with coronary artery disease from more than 50 hospitals across China. The goal is to see how often a software tool called QFR, which analyzes angiogram images to guide treatment decisions, is used in…

This study aims to build a specialized AI model, called CorAI, for coronary artery disease (CAD). Researchers will collect de-identified medical data from about 640 patients with suspected or confirmed CAD to create a rich dataset. Using this data, they will develop and test CorA…

This study is a large, observational registry in Türkiye that will track the real-world practice and outcomes of a procedure called percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) — a complete blockage of a coronary artery that has been present for at l…

This study uses imaging scans to measure the size and blood flow speed in three key arteries—the carotid, renal, and femoral—in adults with high blood pressure. The goal is to see how hypertension affects these blood vessels, both structurally and functionally. By comparing measu…

This study tests whether a small implanted sensor, called CardioMEMS, can continuously track blood pressure in the lung arteries after surgery for chronic thromboembolic pulmonary hypertension (CTEPH). The surgery, called pulmonary endarterectomy, can cure CTEPH, but some patient…

This study is building a biobank of blood samples and imaging data from 300 people with suspected inflammatory heart or autoimmune rheumatic diseases. Researchers aim to identify immune biomarkers that could predict major heart events like heart failure, stroke, or atrial fibrill…

This study looks at whether inflammation levels differ on either side of a blood clot in the brain during a stroke treatment called mechanical thrombectomy. Researchers will compare blood samples taken from before and after the clot to see if the difference is linked to how well …

This study explores whether ultrasound can reliably measure aneurysms in the descending thoracic aorta, the part of the main artery that runs through the chest. Researchers will compare ultrasound measurements with standard CT scans in about 60 adults, including some with known a…

This study reviews existing research to understand how aldosterone, a hormone that regulates blood pressure, contributes to hypertension. It looks at the proteins and genetic factors involved in aldosterone production and how the body's signals might be able to block its effects.…

This observational study will track 87 people who are already scheduled to receive treatment with the Recana Thrombectomy Catheter System for blocked veins in their legs. The goal is to see how safe the device is and how well it works at clearing the blockages during the procedur…

This study asks whether nurses in geriatric departments have the knowledge needed to properly screen for orthostatic hypotension—a sudden drop in blood pressure when standing that can cause falls and other serious problems in older adults. About 30 nurses will complete a question…

This study will test two new non-invasive devices (HEMI and SPG-NINOX) that measure small blood vessel function in 165 adults. Participants include healthy volunteers and people with high blood pressure, type 2 diabetes, or chronic kidney disease. The goal is to see if these devi…

This study tests a personalized, digitally supported prehabilitation program for adults waiting for elective cardiac surgery. Participants receive education, psychosocial support, nutritional advice, and home-based exercise guidance during the routine 6-10 week preoperative perio…

This study tests whether measuring the optic nerve sheath diameter — the nerve that connects the eye to the brain — with a simple bedside ultrasound can predict a dangerous rise in brain pressure when a pressure-lowering drug (mannitol) is reduced or stopped. Researchers will fol…

This pilot study is investigating how quickly C-reactive protein (CRP), a key marker of inflammation, drops after starting steroid treatment in people newly diagnosed with giant cell arteritis. By measuring CRP levels daily, then weekly and monthly for up to a year, researchers h…

This study investigates whether erectile dysfunction (ED) in men being treated for high blood pressure is linked to a hidden heart condition called subendocardial ischemia, where the heart muscle doesn't get enough oxygen. Researchers will compare a noninvasive heart test called …

This observational registry study follows 2,250 adults with cardiovascular-kidney-metabolic syndrome (CKMS) at five hospitals in India. Researchers aim to understand how the condition progresses over 12 months, how it affects quality of life, and what treatments doctors prescribe…

This study looks at how tiny particles called extracellular vesicles travel through the bloodstream in people with systemic sclerosis, an autoimmune disease that affects blood vessels and organs. Researchers will take blood samples from different points in the circulation to see …

This study looks at how a long-acting injectable HIV prevention drug (CAB-LA) and hormonal birth control methods (like the shot or implant) affect each other in women. About 105 women who already use CAB-LA or no HIV prevention will join groups based on their contraceptive choice…

This observational study looks at whether heart rate variability — a measure of the nervous system's control over the heart — is linked to how well people with resistant hypertension take their medications. Researchers will use a blood test to objectively check drug levels and co…

This study looks at how well the right side of the heart works with the lungs in people who have high blood pressure in their lung arteries caused by schistosomiasis, a parasitic infection common in parts of Africa and South America. Researchers will use echocardiography to measu…

This study investigates genetic and molecular markers in pregnant women with severe preeclampsia, a dangerous condition involving high blood pressure and organ damage. Researchers will analyze blood, urine, and placental samples from 100 women to identify changes in genes and cel…

This study tracks how a pregnant person's heart and lungs change over the course of pregnancy and after childbirth. Researchers will use non-invasive tests to measure blood flow and airway function, aiming to understand how these changes relate to the development of preeclampsia,…

This study will follow up to 12,750 stroke patients in Germany to learn how care is given from the moment symptoms start through hospital treatment, rehab, and long-term recovery. It includes both adults and children with ischemic stroke or brain bleeding. The goal is to collect …

This study tests whether wearable devices and artificial intelligence can help personalize the timing of valve replacement in people with moderate to severe aortic stenosis who have no symptoms. Participants wear a smartwatch to track heart rate, activity, and blood pressure, and…

This study tests whether blood pressure readings taken over different layers of clothing are as reliable as those taken on bare skin. Researchers will compare measurements from 161 emergency department patients. The goal is to see if clothing affects accuracy, which could change …

This study screens adults aged 18 and older in suburban and peri-urban areas of Faisalabad, Pakistan, for four major noncommunicable diseases: diabetes, hypertension, obesity, and high cholesterol. Participants who are found to have these conditions are referred to doctors for st…

This study follows 25,000 people referred to a specialized heart clinic with symptoms like chest pain or shortness of breath. Researchers will track which heart conditions are actually diagnosed and how patients are evaluated. The goal is to improve diagnostic accuracy and unders…

This study looks at why people with end-stage kidney disease on dialysis often develop high blood pressure in the lungs (pulmonary hypertension). Fluid buildup can make this condition seem worse than it is. Researchers will first correct fluid levels, then use heart ultrasound an…

This study will follow 5,500 first-time pregnant women to see if blood tests and eye scans can predict complications like preeclampsia, fetal growth restriction, and gestational diabetes. Researchers will collect samples and images at different points during pregnancy and compare…

This study will check blood pressure and ask about health habits in 500 adults who attend free public health screenings in Croatia. Researchers want to see how many people have high blood pressure, how many know they have it, and how many are taking medicine for it. No treatments…

This study will test whether using ultrasound to guide how a patient's head is tilted can improve blood flow to the brain. Researchers will measure brain pressure and blood flow in 30 ICU patients as they are moved from lying flat to a 30-degree angle. The goal is to find a perso…

This study checks whether an Apple Watch Series 9 can accurately measure key health indicators—like oxygen levels and exercise capacity—in adults with heart conditions such as congenital heart disease, heart failure, or coronary artery disease. Participants wear the smartwatch du…

This study tests a decision aid for people who have had a first blood clot and must decide whether to stop or continue blood thinners after at least 3 months of treatment. The aid provides balanced information on risks and benefits and helps clarify personal values. Researchers w…

This study looks at how the sedative dexmedetomidine affects the smallest blood vessels in people with septic shock, a life-threatening condition caused by severe infection. Researchers will measure blood flow in the tongue's tiny vessels and other key blood pressure indicators b…

This study will collect data from 624 patients in respiratory intermediate care units (RICUs) across Catalonia to build a model that predicts 30-day survival. Researchers will also test an artificial intelligence approach and create a quick app for doctors. The goal is to better …

This study will follow 600 adults having off-pump heart bypass surgery to see how often memory and thinking problems occur afterward. Participants take a simple thinking test before and after surgery. The goal is to understand what factors might increase the risk of these problem…

This study will observe 110 adults having planned heart bypass surgery. Researchers will record settings on the breathing machine during surgery and check if patients develop lung complications like pneumonia or need a breathing tube for too long. No new treatments are given—the …

This observational study will look at how exercise changes blood flow in the legs of people with or at risk for peripheral arterial disease (PAD). About 85 participants will walk for 6 minutes and have their ankle-brachial index (ABI) measured before and after. The goal is to see…

This study looks at whether placing patients face-down (prone) soon after heart surgery can improve how well the right side of the heart works. The idea is that this position helps open up collapsed parts of the lungs, making it easier for the heart to pump blood. About 80 adults…

This study will examine how the heart-lung machine used during cardiac surgery changes platelet function and metabolism. Researchers will take blood samples from 100 adult heart surgery patients at several time points. The goal is to link these platelet changes to post-surgery in…

This study will follow 500 people with severe aortic stenosis who need a heart valve replacement. Researchers want to see if a dedicated Heart Valve Unit—a team of heart specialists working together—can reduce confusion, delirium, and memory problems that sometimes happen after t…

This study tests two strategies for removing an external ventricular drain (a tube that drains fluid from the brain) in 170 adults who had a brain bleed. One method clamps the drain shut as soon as it's safe, while the other gradually raises the drain over time. The goal is to se…

This registry will follow 400 people with complex aortic aneurysms who are treated with GORE devices that help keep blood flowing to vital organs. The goal is to see how well the devices work and how safe they are in everyday medical practice. Participants must need at least one …

This study will compare two common types of heart valves used in TAVI (a procedure to replace a narrowed aortic valve) to see which one sends fewer tiny particles to the brain during the procedure. 80 adults with severe aortic stenosis will be randomly assigned to receive either …

This study will follow 1,000 adults having a routine diagnostic endoscopy (camera test of the stomach or colon) with propofol sedation. Researchers want to find out which patients are more likely to have a dangerous drop in blood pressure or oxygen levels during the procedure. Th…

This study aims to find out how often people with FLNA gene mutations develop emphysema, a type of lung disease. Researchers will use chest CT scans, blood tests, and lung function tests in 70 participants. The goal is to confirm if FLNA changes are a cause of unexplained emphyse…

This study adapts and tests a Spanish version of eTIPS, an early home-based therapy program for infants at risk of unilateral cerebral palsy after perinatal stroke. The program involves parent-delivered activities integrated into daily routines. The study will enroll 20 families …

This study looks at how metabolic health (measured by a simple blood test) relates to artery stiffness and daily blood pressure changes in 800 adults. Researchers will use routine tests and non-invasive measurements to find better ways to identify people at higher risk for heart …

This study looks at 1,300 people with moderate-risk pulmonary embolism (blood clots in the lungs) to compare three treatments: blood thinners, clot-busting drugs, and mechanical clot removal. Researchers will track deaths, heart recovery, bleeding risks, and quality of life over …

This study tests whether using a CT scan to plan a heart stent procedure (PCI) makes it faster, safer, and more effective than the usual approach. About 200 adults with coronary artery disease will either get CT-guided planning or standard care. Researchers will compare procedure…

This study compares three methods of measuring pulse wave velocity, a key indicator of artery stiffness that helps predict heart risk. Researchers will enroll 350 adults with high or uncontrolled blood pressure. Participants will have measurements taken with a neck-and-groin sens…

This study will follow 1000 adults in China with severe coronary artery disease who are too high-risk for bypass surgery and need complex angioplasty. Researchers will collect data on their health, procedures, and outcomes for one year to see what factors affect survival and comp…

This study will test whether a special ultrasound score, called OTUS, can accurately track disease activity in people with Takayasu arteritis, a rare condition that causes inflammation of the large arteries. Researchers will follow 100 patients with active disease, performing ult…

This observational study in Mexico will follow 30 adults already taking tirzepatide for conditions like diabetes or obesity. Researchers will use MRI scans of the knees, CT scans of the heart, and body composition tests to see how the drug affects cartilage, heart fat, and overal…

This study compares two methods of accessing the brachial artery in the arm for treating blocked leg arteries: a needle poke through the skin (percutaneous) versus a small cut (open). About 246 adults will be randomly assigned to one method. The goal is to see which approach caus…

This study looks at 50 adults with acute pulmonary embolism (a blood clot in the lungs) to compare different methods used to diagnose and predict outcomes. Researchers will analyze clinical scores, lab tests, and CT scans from patients in various hospital departments. The goal is…

This study watches babies under 3 months old who are having surgery to fix a narrowed heart artery. Doctors will check if a special monitor that measures blood flow matches other standard checks. No extra treatments or changes to care are involved.

This study in Côte d'Ivoire tests whether giving mothers a cash reward for breastfeeding until their child is 24 months old increases breastfeeding rates and improves child and maternal health. About 1,040 mothers will either receive the cash incentive or just educational materia…

This observational study will follow 3000 patients with severely calcified coronary arteries who undergo a procedure to open the blockages (PCI). Researchers will track outcomes like heart attacks and repeat procedures over time. The goal is to learn which techniques work best in…

This study watches 100 adults with severe pulmonary embolism (blood clots in the lungs) during a procedure to remove the clots. The goal is to learn when and why heart or breathing problems happen during the procedure, so doctors can better prevent them and improve patient safety…

This study from the University of Oxford will follow 360 pregnant women to see if hormone levels and ultrasound images from the first 8 weeks can predict pre-eclampsia. Pre-eclampsia is a dangerous complication that affects many pregnancies worldwide. The goal is to find early wa…

This study observes 600 people with aortic stenosis who cannot have a standard TAVI procedure through the leg artery. Instead, doctors will use other access points, like the chest or neck, to replace the heart valve. The goal is to track safety and success rates of these alternat…

Severe preeclampsia is a dangerous pregnancy complication that can cause high blood pressure, harming both mother and baby. This observational study will follow 350 women to identify factors that make blood pressure control with the drug labetalol fail. By understanding these fac…

This study looks at whether a cardiopulmonary exercise test (CPET) can help predict serious heart problems in people with coronary heart disease. Researchers will review medical records from 15,000 patients and track their health over time. The goal is to see if CPET results are …

This study follows 60 adults with pulmonary hypertension (high blood pressure in the lungs) for 2 years. Researchers will measure breathing problems during sleep and heart rate changes to see how they relate to the disease. No new treatment is given; participants continue their u…

The MISTIC study will examine 1000 adults to see if early, symptom-free artery disease is linked to thinking and memory problems. Participants will get non-invasive imaging of their arteries and cognitive tests. This is an observational study, not a treatment trial, aiming to imp…

This study will follow 1,800 people who had a stent placed in their heart arteries using a special camera (OCT). Researchers want to see if new measurements from routine angiograms can better predict future heart problems like heart attacks or chest pain. The goal is to improve h…

This study looks at whether advanced heart pressure wave analysis can predict how well patients recover after a TAVR procedure for severe aortic stenosis. Researchers will measure pressure waves during the procedure and track quality of life and heart complications over one year …

This study looks at 212 heart disease patients who take antiplatelet drugs and have sudden upper stomach bleeding. It compares having an endoscopy within 12 hours versus waiting 12-24 hours to see which timing is safer and more effective. The goal is to find the best approach to …

This study aims to understand how fat around the belly and heart relates to inflammation and early signs of heart disease, diabetes, and fatty liver. Researchers will enroll 400 adults without known heart or liver disease. Participants will undergo non-invasive tests like ultraso…

This study tests whether giving people with heart or lung conditions real-time air pollution data helps them exercise outdoors more safely. 80 participants will use a smartphone platform that tracks their walking and local air quality. The goal is to see if this approach reduces …

This study will follow 600 people who need either bypass surgery (CABG) or a stent (PCI) to open blocked heart arteries. Researchers will test memory and thinking skills before the procedure and again at 1 month, 1 year, and 2 years after. The goal is to see if one approach leads…

This study will look at 800 patients who had aortic surgery to understand why some develop dangerous blood clots inside the repaired artery. Researchers want to find out how common these clots are, what puts patients at risk, and how they affect recovery. The goal is to improve c…

This observational study will track 500 hospitalized adults aged 65 and older to see how often their blood pressure drops when standing up or after eating. Researchers will also check if these drops are linked to medications, other health problems, and future risks like falls or …

This study will follow 1300 women with type 1 diabetes who had a pregnancy. Researchers want to see if a high risk of preeclampsia (a dangerous pregnancy complication) in the first trimester is linked to hidden heart disease years later. Participants will have an ultrasound to ch…

This study will use special CT scans that track both the heartbeat and breathing to see how a stent graft moves inside the abdominal aorta after aneurysm repair. Twenty-five patients with complex aneurysms will be scanned before surgery, at discharge, and at 6 and 12 months after…

This study looks at how a low dose of colchicine, an anti-inflammatory drug, changes proteins in the blood of people with coronary heart disease and high inflammation. Researchers will compare protein levels before and after one month of treatment in 176 patients. The goal is to …

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

This study watches 300 ICU patients to see how often blood clots caused by catheters remain in the vein after the catheter is taken out. Researchers will track risk factors and whether these clots lead to serious issues like lung clots or long-term vein damage. No new treatments …

This study will compare a carnivore diet (only animal foods) with a Mediterranean diet (fruits, veggies, grains, legumes) in 30 adults aged 30-60 with high LDL cholesterol. Over 3 weeks, researchers will measure how each diet affects cholesterol clumping, blood fats, and blood ve…

This pilot study will test whether a personalized computer model, called a 'digital twin,' can predict which patients with high blood pressure will respond to a procedure called renal denervation. The study will enroll 60 people, including those with resistant hypertension, untre…

This study develops and tests an AI system that reads de-identified patient admission notes to classify four types of coronary syndromes, including heart attacks and angina. The tool is designed to protect patient privacy while helping doctors diagnose more accurately and quickly…

This study is creating an AI tool to help doctors decide the best heart treatment for people who have both immune thrombocytopenia (ITP) and coronary artery disease. Researchers will look at past patient data to build the tool, then test it on 600 new patients. The goal is to bet…

This study looks at whether a CT scan already done for routine care can predict which patients with leg artery disease will improve with supervised exercise therapy. About 40% of patients don't get enough benefit from exercise and need a procedure to open blocked arteries. Resear…

This study will measure a substance called kynurenine in the blood of 204 pregnant women, some with chronic kidney disease and some without. The goal is to see if kynurenine levels are linked to preeclampsia, a serious condition that can harm both mother and baby. Researchers hop…

This pilot study tests whether fecal microbiota transplantation (FMT) can change the gut microbiome in 30 people with type 2 diabetes and stable coronary artery disease. Participants receive processed stool from healthy donors via colonoscopy. The goal is to see if this alters gu…

This study looks at whether different types of exercise (like walking or strength moves) and timing (morning vs. evening) can safely lower blood pressure in people with glaucoma and high blood pressure. About 60 adults will try four exercise sessions, and their blood pressure and…

This study looks at whether doctors would use an AI program called ECGio to help decide care for patients who might have heart artery disease. About 10,000 adults with risk factors like high blood pressure or diabetes will be included. The main goal is to see how often doctors ch…