Arterial disorder

This trial is testing a new stent graft system designed to treat abdominal aortic aneurysms—a bulging, weakened area in the main artery. The device is placed inside the aorta to reinforce the wall and prevent rupture. The study includes adults with infrarenal abdominal aortic ane…

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 trial tests a 1-month nurse-led program designed to help older adults with coronary heart disease and frailty reduce their daily sitting time. Participants are randomly assigned to either the program or a control group, and the program uses education, goal setting, self-moni…

This early-stage trial tests whether transplanting gut bacteria from healthy donors, along with antibiotics and fiber, is safe and feasible for people with pulmonary arterial hypertension (PAH), a condition of high blood pressure in the lungs. About 24 adults with PAH will be ran…

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 a low-sodium diet can improve blood pressure control in people who had a hypertensive disorder of pregnancy. Participants receive either a provided diet with less than 2000 mg of sodium per day or a standard diet with no salt restrictions for the first we…

This trial tests whether adults with pulmonary arterial hypertension (PAH) can safely switch from selexipag, a pill taken by mouth, to LIQ861, an inhaled form of treprostinil. Participants stop selexipag on day one and start taking LIQ861 four times a day using a handheld inhaler…

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 pilot study tests a 6-session lifestyle program for people with high blood pressure, where each participant brings a supportive partner. The program covers heart-healthy habits like diet, exercise, stress management, and sleep, along with communication skills to help partner…

This trial tests whether using a portable ultrasound device during coronary artery bypass surgery can improve outcomes by letting surgeons see blood flow through the new grafts in real time. About 380 adults scheduled for elective bypass surgery will be randomly assigned to eithe…

This trial tests whether combining nurse-delivered care with text message check-ins and support can help adults with uncontrolled high blood pressure lower their blood pressure and improve diabetes management. Participants receive either usual care or the enhanced support, which …

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

This pilot trial is testing a smartphone app that acts like a personal coach to help adults with uncontrolled high blood pressure improve their self-care. The app provides education and interactive coaching to encourage medication adherence and healthy habits. The study will enro…

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 study tests the safety of a new medicine called sotatercept for adults in India with pulmonary arterial hypertension (PAH), a condition where blood vessels in the lungs become narrow, making breathing hard. About 30 people will receive sotatercept along with their usual trea…

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 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…

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 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 trial tests whether the Adacolumn device, which filters certain white blood cells from the blood, can reduce brain swelling in people who have had a severe stroke. Ten patients will receive the treatment within 24 hours of their stroke. The goal is to see if it prevents wors…

This trial is testing two experimental versions of a blood pressure drug, called D311 and D107, against the original medication, CKD-339. Healthy adults aged 19 to 55 will receive a single dose of each version in a random order to compare how the drug is absorbed and processed in…

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 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 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 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 study looks at whether giving people with high blood pressure and food insecurity $100 a month for fruits and vegetables can improve their health. It focuses on Native Hawaiian and Pacific Islander adults in Hawaii. Some participants will also get one-on-one help from a comm…

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 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 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 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 pilot study tests whether adding dipyridamole, an approved drug that improves blood flow, to standard care is feasible and safe for pregnant women with early-onset preeclampsia. The trial will enroll 15 hospitalized women between 26 and 34 weeks of pregnancy with high levels…

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 semaglutide, a GLP-1 agonist, can shift how the heart produces energy in people with pulmonary arterial hypertension (PAH). The heart in PAH often relies on inefficient fuel sources, and the drug may help it switch to a more efficient form. Researc…

This study tests whether a medicine given as a nose spray before a heart stent procedure can reduce heart muscle injury or heart attack. About 1800 adults scheduled for elective stent placement will receive either the medicine or a placebo spray. Researchers will measure heart da…

This registry follows adults newly diagnosed with pulmonary arterial hypertension (PAH) who are starting treatment with parenteral treprostinil, a medication given as a continuous infusion under the skin or into a vein. Researchers will collect data from routine care—including do…

This study tests a new biological graft, LineMatrix®, for replacing or bypassing damaged arteries in the lower body. About 15 adults with peripheral artery disease or other artery damage will receive the graft during surgery. Researchers will track how well the graft stays open w…

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 a 3-month dietary program, called the Eastern Blood Pressure-Lowering Diet, can improve blood pressure in Chinese adults with hypertension. About 800 participants from workplace canteens will either receive standard hypertension care or also get specially…

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 trial tests whether a lab-grown, tissue-engineered blood vessel can be safely used as a bypass graft in people with coronary artery disease undergoing heart bypass surgery. Ten participants will receive the artificial vessel alongside a standard graft, and researchers will m…

This study tests a drug called 2-HOBA in 20 adults with salt-sensitive high blood pressure. The drug aims to calm overactive immune cells that may worsen blood pressure when salt is eaten. Researchers will measure blood pressure changes and blood vessel health after taking 2-HOBA…

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 phase 2 trial tests whether an experimental oral drug, SAL0137, can safely lower high levels of lipoprotein(a) — a genetic risk factor for heart attacks and strokes that currently has no approved medication. About 120 adults with elevated Lp(a) and high cardiovascular risk w…

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

This study 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…

This study tests a new type of bypass graft made from a biodegradable polymer for people with peripheral artery disease who need leg bypass surgery. The graft is designed to restore blood flow and then gradually be replaced by the body's own tissue. The trial will enroll 15 parti…

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

People who have spine surgery for cancer that has spread are at high risk for dangerous blood clots in the legs or lungs. Currently, blood-thinning medicine is stopped when patients leave the hospital. This trial tests whether taking apixaban (Eliquis) by mouth for 30 days after …

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 investigates whether two common vaccines—the shingles vaccine (RZV) and an RSV vaccine (RSVPreF3)—can slow the buildup of fatty plaque in the coronary arteries. The trial enrolls adults aged 50 and older who are at risk for cardiovascular events. Participants receive e…

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 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 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 secukinumab, a drug that blocks inflammation, can reduce the risk of major heart problems and kidney decline in people with cardiorenal metabolic syndrome and hardened arteries. About 100 adults will receive either secukinumab injections plus standard car…

This study tests a multilevel care model designed to help low-income adults with hard-to-control hypertension. The model combines patient education, electronic health record alerts for providers, and support from community health workers. Researchers will measure changes in blood…

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 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…

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 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 trial compares a procedure to reopen blocked brain arteries (using balloons and stents) against standard medical therapy in people with chronic blockages. The goal is to see if the procedure reduces the risk of stroke or death within a year. Participants have had symptoms fr…

This study explores whether virtual group medical appointments focused on lifestyle changes can help people with high blood pressure lower their readings. Participants attend four online sessions over eight weeks, track their blood pressure at home, and get medication adjustments…

This study looks at different methods to restore blood flow to the left subclavian artery when it must be covered during aortic repair. Covering this artery can raise the risk of stroke and arm problems. The trial compares surgical bypass with newer endovascular techniques to see…

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

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

This study tracks the safety and effectiveness of a stent graft device used to treat aneurysms, dissections, or trauma in the aortic arch (the curved part of the main artery from the heart). Researchers will follow 75 patients in Japan who receive the device, monitoring for compl…

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 study tests a new device called the Vibrato Aspiration System, designed to remove blood clots from the lungs in people with acute pulmonary embolism (a sudden blockage in the lung artery). The trial includes up to 10 adults aged 18 to 75 who have had symptoms for 14 days or …

This study looks at whether two different combinations of blood pressure and cholesterol medications can help protect kidney function in people with both high blood pressure and high cholesterol. Researchers will track changes in urine protein levels and other kidney markers over…

This study tests whether adding an 8-week online mindfulness program, called Mindfulness in Motion, to usual care helps people with high blood pressure improve their blood pressure, weight, stress, sleep, and well-being. Participants will be randomly assigned to either the mindfu…

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 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…

This trial investigates whether a procedure to remove a blood clot from the basilar artery—a major vessel at the back of the brain—can improve recovery in people with severe stroke. Participants are adults aged 18 to 80 who have a large area of brain damage and can be treated wit…

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 trial tests whether using a balloon guide catheter along with a filter can better protect the brain during carotid artery stenting. People with narrowed neck arteries (carotid stenosis) who need stenting are randomly assigned to get either the balloon-plus-filter combo or a …

This study tests whether combining two medications, empagliflozin and finerenone, can lower blood pressure in adults with obesity and stage 1 hypertension. Participants take the drugs or a placebo daily for 12 weeks. The trial also measures effects on kidney function, inflammatio…

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

This study tests 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 trial compares a new temporary heart pump called VentriCure with standard ECMO support in people with coronary artery disease undergoing high-risk angioplasty. The study includes 220 patients whose hearts are weak or who have severe heart failure. The goal is to see if Ventr…

This phase 3 trial tests whether a new drug called HCP1803-4 can safely lower blood pressure in adults with essential hypertension. Participants are randomly assigned to receive either the new drug or a control drug. The study measures changes in sitting blood pressure over time …

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 phase 3 trial tests whether a new emergency stroke unit, equipped with a hybrid CT and X-ray machine (NeuAngio-CT), can speed up clot removal in people having a severe stroke. About 232 adults aged 18-60 with acute ischemic stroke will be randomly assigned to either the new …

This trial tests whether a newer anesthetic drug, ciprofol, causes fewer dangerous drops in blood pressure during anesthesia than the standard drug propofol in frail patients aged 60 and older having major abdominal surgery. Participants are randomly assigned to receive one of th…

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 trial will compare three drugs—dopamine, norepinephrine, and epinephrine—to see which works best for people experiencing a pulmonary hypertensive crisis, a life-threatening spike in blood pressure in the lungs. The study will enroll 75 adults with pulmonary arterial hyperten…

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 study tests whether mazdutide, a weekly injection that helps with weight loss, can slow the buildup of fatty plaque in the heart arteries of 116 overweight or obese adults with coronary heart disease. Participants will receive either the drug or a placebo for 52 weeks, and d…

This study tests a mobile app called TansiyoRitim for people with high blood pressure. The app provides educational videos, texts, and reminders to help users control their blood pressure, take their medication as prescribed, and feel more confident in managing their condition. R…

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

This study 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 tests whether a 12-week program of moderate aerobic exercise and inspiratory muscle training can improve breathing, exercise capacity, and quality of life in people with pulmonary hypertension caused by lung disease. Participants will walk on a treadmill and use a brea…

This study looks at whether icosapent ethyl, a purified fish oil medication, can reduce inflammation and improve heart structure in people with coronary artery disease. Researchers will follow 420 patients for one year, comparing those who receive standard care plus icosapent eth…

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 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 early study tests a small ring placed in the eye that slowly releases the drug bimatoprost to lower eye pressure in people with glaucoma or ocular hypertension. The ring is implanted during a quick surgery and may work for up to 3 years. The trial includes 24 adults and comp…

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 Phase 3 trial tests aprocitentan, a drug already approved in some countries, for people with resistant hypertension—high blood pressure that stays high despite taking three or more medications. About 382 adults will receive either the drug or a placebo for 8 weeks. The main …

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 study is checking the long-term safety of a daily pill called IKT-001 for people with pulmonary arterial hypertension (PAH), a serious lung condition. About 484 adults who have already completed an earlier IKT-001 study will take the drug for an extended period. Researchers …

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

This study tests a liquid herbal supplement called DBPS in 198 adults with prehypertension (blood pressure slightly above normal). Participants will take the supplement or a placebo daily for 4 weeks. The goal is to see if the supplement can lower blood pressure and help prevent …

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 whether customizing ventilator settings during heart bypass surgery can lower the risk of lung complications like pneumonia or respiratory failure. Researchers will compare a standard approach with one that adjusts settings based on lung mechanics. Eighty adults …

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

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

This study compares two supervised treadmill exercise programs for people recovering from coronary artery disease or a heart procedure. One group does high-intensity interval training (HIIT) — short, hard efforts with rest periods — while the other does moderate-intensity continu…

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 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 tests whether adding a Chinese herbal medicine called Qidan Xiaoke Granules to standard heart drugs can reduce major heart problems like heart attacks or repeat procedures in people who have had a stent placed. About 164 adults with coronary artery disease will take th…

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 study looks at whether doing a balloon angioplasty or placing a stent right after removing a blood clot from the brain can help people who have a stroke caused by a hardened artery. About 420 adults will be in the study. The goal is to see if this extra step improves recover…

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 will test if a smart pill bottle cap, called FORTISKAP™, helps people with serious lung diseases like pulmonary fibrosis, sarcoidosis, and pulmonary hypertension take their oral medications more consistently. About 100 participants will either use the smart cap or rece…

This study tests whether Baduanjin, a gentle traditional Chinese exercise, helps people recover after heart bypass or stent surgery. Researchers will track 310 adults for up to a year to see if it lowers the risk of heart attacks, chest pain, or the need for more procedures. The …

This early-stage study tests a new tablet called HS-10522 in healthy Chinese adults and those with mild hypertension. The main goal is to check safety and how the drug moves through the body. 88 participants will receive either the drug or a placebo to compare side effects and dr…

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 whether a new wire-free imaging method called μFR can help doctors decide which blocked heart arteries need stents after a heart attack. About 350 patients with multiple blocked arteries will be randomly assigned to standard care or μFR-guided treatment. The goal…

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 study will test whether taking ginger supplements for two months can lower inflammation and oxidative stress in people with coronary artery disease. Fifty adults with confirmed heart disease will be randomly assigned to receive either ginger extract or a placebo. Researchers…

This study tests whether keeping elderly patients on their side for 15 minutes after spinal anesthesia, instead of lying on their back, can prevent blood pressure drops. Researchers will enroll 70 high-risk patients aged 65 and older having leg surgery. The approach aims to keep …

This pilot study tests a special pacemaker-like device called Moderato Plus in 20 people with high blood pressure and a type of heart failure where the heart pumps normally but is too stiff (HFpEF). The device delivers Cardiac Neuromodulation Therapy to help control blood pressur…

This study looks at whether taking royal jelly and propolis (natural bee products) for two months can lower inflammation and improve heart health in 50 adults with coronary artery disease. Participants will be randomly assigned to receive the supplements or a placebo, and researc…

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 study tests a new laser treatment called DSLT for people with high eye pressure or open-angle glaucoma who have already had a similar laser (SLT). The DSLT laser does not touch the eye, which may make it faster and more comfortable. Researchers want to see how well it lowers…

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

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

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 compares a drug-coated balloon (DCB) to a drug-eluting stent (DES) for treating new blockages in heart arteries. About 1,548 adults with stable or unstable angina, old heart attacks, or silent ischemia will be randomly assigned to one of the two treatments. The main go…

This study tests a non-invasive device that uses gentle electrical stimulation on the brain to see if it can safely lower blood pressure in people with mild hypertension. Sixty adults aged 30-65 with mild high blood pressure will receive either real or sham stimulation for 20 min…

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 a non-invasive device called the Hypotension Prediction Index (HPI) in 60 elderly patients (ages 65-90) undergoing shoulder surgery in a beach chair position. The device predicts when blood pressure might drop dangerously low, allowing doctors to intervene early.…

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 phase 1/2 trial tests whether a patient's own stem cells, taken from belly fat and grown in a lab, can heal leg ulcers caused by severe peripheral artery disease. 40 participants will either receive stem cell injections and a special cell-containing dressing, or standard hyd…

This study tests a new, non-drug treatment for high blood pressure called high-intensity transcranial alternating current stimulation (Hi-tACS). It uses gentle electrical currents on the scalp to stimulate the brain. The trial will include 50 adults with primary hypertension to s…

This study compares a new heart valve implant (Myval) to standard medication in 778 people aged 65+ with moderate aortic stenosis. The goal is to see if the implant reduces death, stroke, heart failure, and improves quality of life over 2 years. Participants will be randomly assi…

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 study tests whether a device that temporarily restricts blood flow to the arms (remote ischemic conditioning) can help lower blood pressure in people with hypertension who moved to high-altitude areas. 184 adults will either continue their usual medication or add the device …

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 tests whether TA-65, a dietary supplement that activates telomerase, can improve small blood vessel function in healthy older adults and people with coronary artery disease. Researchers will measure blood vessel responses and blood pressure in 180 participants. The goa…

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

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 early-stage study tests a single injection of a new drug, IBI3016, in 30 Chinese adults with mild to moderate hypertension who are not currently on blood pressure medication. The main goal is to check safety and how the drug moves through the body, with a secondary look at i…

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 a minimally invasive procedure called endovascular treatment can help people who have a progressive stroke caused by a blockage in the main artery at the back of the brain. The procedure uses a catheter to remove or open the clot. The trial will include 2…

This study looks at how long people should take a combination of two blood thinners (ticagrelor and aspirin) after coronary artery bypass surgery to keep the new vein grafts open. 300 patients will be randomly assigned to take the combination for 3, 6, or 12 months, then switch t…

This study compares two surgical techniques for coronary artery bypass grafting (CABG). One uses only arteries (total arterial grafting), while the other uses a mix of artery and vein grafts (conventional mixed grafting). The goal is to see which approach keeps grafts open longer…

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 will give 150 children and teens with high blood pressure, high cholesterol, or obesity a free debit card to buy fruits and vegetables, plus virtual nutrition classes. The goal is to see if this program helps improve their heart health over 6 to 12 months. Participants…

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 trial tests a hybrid exercise program (HyBEST) for people with coronary artery disease. It combines supervised sessions at a center with home workouts using a wearable tracker. The goal is to see if this approach improves exercise capacity, body composition, and quality of l…

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 whether a 12-month digital program with health coaching and a wearable device can reduce scarring in the heart muscle caused by high blood pressure. Researchers will enroll 200 adults aged 40-70 with early signs of heart thickening. The goal is to see if lifestyl…

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 the drug butylphthalide can reduce brain swelling in people who have had a severe stroke and undergone a procedure to reopen a blocked artery. About 100 adults will receive either the drug or a placebo for up to 14 days. Researchers will measure changes i…

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

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 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 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 evaluates a new device called the Photobionic IOP Tonometer (PIB) that measures eye pressure without touching the eye or using an air puff. It uses a low-power infrared light and a gentle sound to detect tiny movements on the eye's surface, which a computer analyzes to…

This trial is testing whether an artificial intelligence-enhanced electrocardiogram (AI-ECG) can help doctors quickly and safely identify which people with non-cardiac chest pain are truly low risk. Half of the participants will receive the AI-ECG in addition to standard care, wh…

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 looks at whether comparing a patient's previous pulmonary artery pressure (PAP) reading with one taken during an ER visit can help doctors quickly identify a pulmonary embolism (a blood clot in the lung). Researchers will review records of 80 adults who come to the ER …

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 study will test whether a deep learning-based image reconstruction method can improve the quality of coronary CT scans. Researchers will look at existing scans from 200 patients who had a CT angiogram for suspected heart disease. Two radiologists will rate the images on a sc…

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 tests whether a simple, 1-minute electrocardiogram (ECG) analyzed by artificial intelligence can accurately detect significant blockages in the heart's arteries. Researchers will compare the AI's predictions against standard imaging tests in 400 adults. If successful, …

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

This 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 cutting out a small fibrous structure called the Ligament of Marshall during minimally invasive heart bypass surgery can prevent new-onset atrial fibrillation (an irregular heartbeat) that often occurs after the operation. The study will include 628 adult…

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 whether washing the surgical wound and the new prosthetic graft with a hypochlorous acid solution at the end of surgery can prevent infections. Participants are adults having open surgery to insert a synthetic bypass graft for narrowed or blocked arteries. The st…

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 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 whether adding a traditional Chinese medicine formula called Bu Yang Huanwu Decoction (in capsule form) to standard treatment can prevent leg pain at rest or foot ulcers in people with diabetic lower extremity vascular disease. About 300 adults aged 18 to 70 with…

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 notifying obstetric clinicians when a pregnant patient is at high risk for preeclampsia increases the use of low-dose aspirin, which can help prevent the condition. Researchers will compare clinics that receive these alerts to those that continue usual ca…

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 a low dose of colchicine (0.5 mg) every day for two years after coronary artery bypass grafting (CABG) can prevent the new blood vessel grafts from failing. About 622 adults who just had bypass surgery will be randomly assigned to get either colchi…

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

This trial tests whether two heart medications, metoprolol and amiodarone, can prevent new-onset atrial fibrillation (AFib) in people who develop minor rhythm issues after transcatheter aortic valve replacement (TAVR). About 198 participants will be randomly assigned to one of th…

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 a set of self-help booklets, based on cognitive behavioural therapy for insomnia (CBT-I), can improve sleep quality in adults with pulmonary hypertension (PH). Participants will be randomly assigned to receive the booklets during the study or after a wait…

This study tests whether one session of laser acupuncture can lower blood pressure in people with hypertension who are on hemodialysis. Researchers will measure blood pressure changes in 60 adults aged 18-65. The goal is to find a non-drug way to help manage blood pressure during…

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 applying heat to the legs for 90 minutes each day at home can improve walking distance and leg function in adults over 50 with peripheral artery disease (PAD). Participants are randomly assigned to receive either active heat therapy or a sham (low-heat) v…

This study tests whether wearing eye masks and/or earplugs at night can improve sleep quality and reduce delirium in 128 patients recovering from coronary artery bypass surgery. Participants will be randomly assigned to use these aids on the first three nights after surgery. Rese…

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 a short, supervised handgrip exercise program is practical and enjoyable for older adults (65+) with high blood pressure. Thirty participants will do handgrip exercises twice a week for 4 weeks. Researchers will check if the program is easy to stick with …

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 tests whether using mild electrical pulses on the diaphragm and belly muscles can improve breathing, heart function, and exercise ability in people who recently had a heart artery-opening procedure (angioplasty). 42 adults will receive either standard rehab plus this s…

This study tests whether a virtual reality (VR) program that combines special sounds, lights, and real-time body feedback can lower stress and improve heart health markers in 40 adults visiting a cardiology clinic. Participants will be randomly assigned to VR, a non-VR relaxation…

This small pilot study will test a brief online mindfulness program (B-MORE) in 20 adults with high blood pressure and chronic stress. Participants attend two 60-minute virtual group sessions to learn stress management techniques. The study aims to see if the program is feasible …

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 compares three pain management approaches for 120 adults undergoing coronary artery bypass surgery: standard painkillers alone, standard plus a parasternal nerve block, or standard plus both parasternal and adductor canal blocks. The goal is to see if adding these nerv…

This study tests whether adding the drug dexmedetomidine during carotid artery surgery helps keep blood pressure more stable. About 44 adults having this surgery will be randomly assigned to receive either standard anesthesia alone or standard anesthesia plus dexmedetomidine. The…

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 a 24-week recreational team handball program can improve walking ability and overall health in 60 men aged 60-80 with peripheral artery disease (PAD) and leg pain when walking. Participants will be randomly assigned to either the handball program or usual…

This study compares two types of exercise—elliptical training and Swiss ball aerobics—to see which better helps people recover after heart bypass surgery (CABG). Researchers will measure improvements in walking ability, heart rate, shortness of breath, and quality of life. The st…

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 tests whether foot massage or kinesio taping can help older adults (65+) move better and feel less afraid of movement after heart surgery. Sixty participants will receive one of the two treatments daily for a week. Researchers will measure mobility, pain, and fear of m…

This study tests a hybrid cardiac rehabilitation program for people with peripheral artery disease (PAD), a condition that reduces blood flow to the legs and causes pain while walking. The program combines in-person supervised exercise sessions with home-based telerehabilitation …

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 tests if laser acupuncture can improve arterial stiffness in people with cardiorenal metabolic syndrome (CRMS), a condition linking heart, kidney, and metabolic diseases. 35 adults with at least two of these conditions will receive laser acupuncture on their legs for 1…

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 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 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…

This study looks at whether two simple bedside tests—the Passive Leg Raising (PLR) test and the Pleth Variability Index (PVI)—can predict a temporary drop in blood pressure that sometimes happens during a lung-opening procedure called an Alveolar Recruitment Maneuver (ARM). ARM i…

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 tests whether a new device called Blood'up can help locate the radial artery in the wrist better than the traditional method of feeling for the pulse. Healthy volunteers will have arterial blood samples taken from both wrists, one using the device and the other using m…

This study looks at whether a specific type of stroke called branch atheromatous disease (BAD) is linked to cognitive decline. Researchers will follow 60 adults aged 18-80 who had this stroke, tracking their thinking and memory over a year. They will also examine if early neurolo…

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 non-invasive sensor placed on the back can detect early signs of kidney injury in adults undergoing off-pump coronary artery bypass surgery. Kidney injury is common after such surgery, but current detection relies on blood tests that rise days later. Th…

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 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…

This study looks at how anticipated stigma and illness identity affect quality of life in men with hypogonadism (low testosterone). It compares these men to those with other chronic endocrine conditions like diabetes, hypothyroidism, or hypertension. The goal is to see if these p…

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 will examine 108 adults aged 30-65 to see if a gene called Klotho, certain mouth bacteria, and viruses are linked to gum disease and acute coronary syndrome (a type of heart attack). Researchers will measure gum health and collect samples to look for these markers. The…

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 looks back at medical records of about 350 people who had a specific stent graft placed during a complex aortic surgery called a frozen elephant trunk procedure, used to treat aortic aneurysms or dissections. The goal is to see how often major complications like stroke…

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 trial tests whether a medical artificial intelligence (AI) tool can assist primary care doctors in managing chronic conditions like heart disease, atrial fibrillation, heart failure, and stroke. Doctors in the intervention group use the AI to help make decisions about assess…

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 looks at people whose coronary arteries are abnormally widened (coronary artery ectasia). Researchers want to see if exercise stress tests and certain blood markers can detect when the heart muscle isn't getting enough blood. The goal is to better understand the link b…

People with interstitial lung disease (ILD) can suddenly get much worse, but it is hard to tell if the cause is a lung flare-up or a blood clot in the lungs (pulmonary embolism). This observational study will follow 70 adults with ILD who come to the hospital with worsening breat…

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

This study 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 observational study investigates whether cardiac autonomic neuropathy (nerve damage affecting the heart) changes the risk of death and cardiovascular events in people who have diabetes, coronary heart disease, and sleep apnea. Researchers will follow 326 participants, dividi…

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

This 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 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 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 looks at whether intentionally lowering blood pressure during elective nose surgery (rhinoplasty) causes any stress to brain cells or affects thinking abilities. Researchers will measure a protein called GFAP in the blood, which can indicate brain cell stress, and test…

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 uses ultrasound to examine how the right side of the heart and the lungs' blood vessels work together during severe COPD flare-ups. Researchers will measure changes in heart-lung coupling in 115 patients admitted to intensive care, comparing readings during the acute e…

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 tests a new wearable system called M2VS that measures heart activity (ECG) and blood pressure continuously for 24 hours. Researchers want to see if it works as well as standard monitors like Holter ECG and ambulatory blood pressure monitors. The study involves 20 adult…

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 small pilot study will test two common blood pressure medicines—nicardipine and sodium nitroprusside—in 12 patients with acute respiratory failure and high blood pressure. Researchers will use a special imaging technique called electrical impedance tomography to see how thes…

This study explores whether measuring how a woman's pupils react to light before spinal anesthesia can predict dangerous drops in blood pressure during planned cesarean sections. Researchers will observe 200 healthy pregnant women and track their pupil responses and blood pressur…

This study tests whether a large language model (LLM) — a type of AI — can help village doctors make better care plans for patients with type 2 diabetes and high blood pressure. About 20 rural doctors will review standardized patient cases, with half receiving AI-assisted decisio…

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 3,000 adults in Qatar—both citizens and long-term residents—to track how cardiometabolic conditions like diabetes and heart disease develop over time. Participants are grouped by blood sugar status (normal, pre-diabetes, or diabetes) and monitored for major car…

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 follow 100 adults whose high blood pressure remains high despite taking at least two medications. Over three months, researchers will track changes in blood pressure and other health markers to find patterns that could help identify which patients might respond be…

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 will look at 60 adults with a type of high blood pressure in the lungs (pre-capillary pulmonary hypertension) to see if measurements from a CT scan match those from a standard invasive heart catheter test. If the CT scan proves reliable, it could offer a safer, less in…

This study looks at whether a hospital rehab and prosthetic training program helps people who lost a leg due to diabetes or blood vessel disease use their artificial limb regularly. Researchers will review past patient records and follow new patients for up to 6 months after they…

This trial tests whether remifentanil or esmolol is better at preventing dangerous pressure spikes in the brain when a breathing tube is inserted. Patients with unruptured brain aneurysms scheduled for coil embolization will receive one of the two drugs before intubation. Researc…

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 looks at 150 adults having coronary bypass surgery to find out how often hidden heart injury occurs. Researchers use a sensitive blood test (troponin) and heart MRI to detect damage that standard tests might miss. The goal is to improve diagnosis and long-term care aft…

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 looks back at medical records of 850 patients aged 80 and older who had a heart stent procedure at a UK hospital over seven years. Researchers will describe the patients' health, age, and frailty, and track complications like heart attack, stroke, or death up to one ye…

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 looks at whether allied-health professionals (like pharmacists or nurses) can help recruit and follow women who had preeclampsia during pregnancy. Participants will check their blood pressure at home and work with a research pharmacist for 12 months. The goal is to see…

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 study looks at whether a routine blood test (RDW) can help doctors quickly identify how well the heart and lungs are working together in people with a sudden lung clot (pulmonary embolism). Researchers will measure RDW and compare it to an ultrasound measure of heart-lung co…

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

This study will follow 600 adults who have had a stent placed or bypass surgery for coronary artery disease. Researchers will collect medical information, blood samples, and traditional Chinese medicine symptoms over 12 months. Using artificial intelligence, they aim to create a …

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 tests two different computer alerts designed to encourage doctors to refer heart patients to cardiac rehab. About 7,000 adults who had heart surgery or a stent in the past year will take part. The goal is to see if these simple reminders increase the number of people w…

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 will follow 5,500 people in China who receive new heart valve devices (replacement or repair) for conditions like aortic stenosis or mitral regurgitation. Researchers will track safety issues such as stroke, bleeding, and device function over time. The goal is to see h…

This study looks at whether a new province-wide electronic health record system (called Connect Care) improves outcomes for adults with chronic diseases like diabetes, heart failure, or kidney disease. Researchers will compare hospital readmission and death rates before and after…

This study looks at two common anesthetics used during carotid artery surgery to see which one better protects the brain from small areas of damage. About 160 adults having planned carotid surgery will get either an intravenous or inhaled anesthetic. Researchers will compare brai…

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 will measure eye pressure in one person with mild keratoconus before and one month after corneal cross linking. The goal is to see how the treatment changes eye pressure using a special device called Corvis CT. This is an observational study, not a treatment trial.

This study looks at 1,000 adults who had planned heart bypass surgery. Researchers will review existing hospital records to see if changes in routine blood tests (like inflammation and kidney markers) in the first hours after surgery can identify patients at higher risk for compl…

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

This study 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 early-stage trial will test a new tablet that combines two common drugs—one for type 2 diabetes and one for high blood pressure—in healthy volunteers. The goal is to see if the single pill works the same in the body as taking the two drugs separately. Thirty-six healthy adul…

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 examine 250 adults with chest pain but no major blockages in their heart arteries (a condition called INOCA). Researchers will collect cells from the heart's blood vessels during a standard angiogram and track symptoms, activity, and function over one year using q…

This early-stage study will test a new experimental drug called AD-231 in 60 healthy adults. The goal is to see how safe the drug is and how the body processes it, not to treat any disease. Participants will receive a single dose of the drug and have their blood levels measured o…

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 follows 2,500 adults in Mexico aged 18 to 65 who do not yet have type 2 diabetes or high blood pressure. Over five years, researchers will track their health through yearly check-ups, blood tests, and lifestyle questionnaires. The goal is to identify what factors incre…

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 will collect information on 1,200 emergency intubations across multiple hospitals in Taiwan. Researchers will track how often the tube is placed correctly on the first try and how often serious problems like low oxygen, low blood pressure, or cardiac arrest occur. The …

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 compares three ways of teaching midwifery students about preeclampsia and eclampsia: a digital game, a simulation, and traditional lectures. The goal is to see which method boosts knowledge, motivation, and attitude the most. 120 fourth-year midwifery students will tak…

This study will create and test a new questionnaire to measure quality of life in Chinese patients with pulmonary arterial hypertension (PAH), a serious lung condition. Researchers will work with 300 adults to ensure the tool is accurate and useful for doctors and health policy. …

This study aims to find early signs of diseases like heart disease, diabetes, and cancer by analyzing blood samples over time. Researchers will collect health data and blood from 15,000 adults aged 40-70 to create personalized health baselines using artificial intelligence. The g…

This study will measure the thickness of the carotid artery wall in 100 adults on hemodialysis. The goal is to see how traditional heart risk factors (like high blood pressure and diabetes) and dialysis-specific factors (like treatment length) relate to artery thickness. No new t…

This study will measure how eye pressure changes after common laser vision correction surgeries like PRK, LASIK, and femtosecond laser. Researchers will compare two measurement methods—Corvis CT and the standard applanation tonometer—in 50 people aged 19 to 35 with mild to modera…

This study will follow 1,000 children under 18 who have had a stroke to see which treatments work best in everyday hospitals. Researchers will check their recovery, brain scans, and daily life over 6 months. The goal is to learn what helps children recover the most after a stroke…

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

This study 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…

This study tests whether giving primary care doctors detailed feedback on how well they follow treatment guidelines can improve care for patients with high blood pressure and type 2 diabetes. Researchers will enroll 324 healthcare providers in Nepal, Mozambique, Tanzania, and Chi…

This study looks at 70 children and teens with juvenile lupus to check for early signs of heart disease using an ultrasound of the neck artery. Researchers will see if things like cholesterol, blood pressure, and lupus activity are linked to artery thickness. No treatment is give…

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 placing a catheter in a neck vein changes pressure inside the skull. Researchers will use ultrasound to measure the optic nerve sheath and carotid artery in 61 adults under general anesthesia. The goal is to understand short-term effects, not to test a…

This study will test a new type of CT scan (photon counting CT) to see if it can give doctors a clearer picture of the fatty deposits (plaques) inside heart arteries. The goal is to find out if these detailed images can help predict who might have a heart attack or other serious …

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 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 how ups and downs in blood sugar affect diabetic patients admitted to the coronary care unit. Researchers will track 120 adults with diabetes and heart disease to see if glucose variability increases the risk of death or major heart problems like heart attack …

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…