Cardiovascular disorder

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 study tests whether combining a gentle electrical brain stimulation (called FNS) with sling-based exercises can help people who have paralysis on one side after a stroke. The trial will enroll 54 adults aged 18-70 who had a stroke within the last 6 months. Participants will …

This study looks at whether pulsed-field ablation (PFA), a non-thermal technique that uses electric pulses to target faulty heart tissue, can reverse structural changes in the heart caused by persistent atrial fibrillation (AF). Researchers will enroll 30 people with persistent A…

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 study tests whether treating enlarged stomach veins (gastric varices) early with a procedure called retrograde transvenous obliteration (RTO) can prevent dangerous bleeding. 68 adults with cirrhosis and gastric varices will be randomly assigned to either RTO or standard care…

The BRIGHT study will follow 250 adults with grade II-III hemorrhoids who are treated with a procedure called hemorrhoid artery embolization (HAE). This technique uses tiny metal coils to block blood flow to the hemorrhoids, aiming to stop bleeding without major surgery. Research…

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

This study will follow 30 people with Alagille syndrome who are taking odevixibat in their daily lives. The goal is to see how safe the drug is over the long term by tracking any side effects. It is not testing if the drug works, but rather monitoring its real-world safety.

This Europe-wide study will follow 400 people with severe leg artery disease (chronic limb-threatening ischemia) to see if a new dissolvable, drug-coated scaffold can keep leg arteries open better than standard treatments. The scaffold releases medication to prevent re-blockage a…

This study will follow 250 people with chronic limb-threatening ischemia (CLTI) across Europe to see how well orbital atherectomy works in real life. The procedure uses a tiny spinning tool to gently remove hard calcium from leg arteries, making it easier for balloons or stents t…

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 a rapamycin cream, applied after laser treatment, can improve the appearance of port wine stain birthmarks in children aged 10 and under. Thirty participants will receive laser therapy plus either a low or high dose of the cream or a placebo cream for 12 …

This study tests whether a newer type of dialysis filter (medium cut-off membrane) can reduce inflammation and improve heart function better than the standard filter in people with end-stage kidney disease. Thirty adults on maintenance hemodialysis will use each filter for three …

This trial tests whether applying sucralfate—a medication that forms a protective barrier over wounds—directly onto esophageal ulcers after variceal banding can speed healing and reduce rebleeding. The study includes adults with cirrhosis who have bleeding esophageal varices. Par…

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

This trial 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 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 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 phase 2 trial tests an oral drug called Aom0304 in adults with hypertrophic cardiomyopathy, a condition where the heart muscle is abnormally thick. The study includes people with both obstructive and non-obstructive forms. Participants receive different doses of Aom0304 for …

This study aimed to see if a short course of the heart medication amiodarone could prevent atrial fibrillation (an irregular heartbeat) in adults after heart surgery. About 1 in 3 patients experience this complication. However, the study was withdrawn before enrolling any partici…

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 platform trial will enroll 1,000 adults with heart failure to test several different treatments at the same time. Participants are randomly assigned to either an experimental intervention or standard care. The main goal is to see if these treatments can prevent death or hosp…

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 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 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 early-stage study tests a new treatment called HiCM-188, made from stem cells that become heart muscle cells. It is given as a single injection into the heart during bypass surgery in 12 adults with severe heart failure. The main goal is to check safety and see if it improve…

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

This study tests a new drug called EPN-701 for calciphylaxis, a rare condition causing painful skin sores with no approved treatment. About 60 adults with moderate to severe pain and at least one open sore will receive the drug. The main goals are to see if EPN-701 safely reduces…

This study tests whether using a wearable device (like a smartwatch) to monitor patients remotely can help doctors adjust heart failure medications more effectively. It includes 400 adults with both heart failure and atrial fibrillation. The goal is to improve treatment and reduc…

This study compares two methods to remove large blood clots from the brain during a stroke: using a super large suction catheter versus a stent retriever. About 708 adults with acute ischemic stroke will be randomly assigned to one of the two techniques. The goal is to see which …

This study tests two approaches—lifestyle medicine consultations and cognitive behavioral therapy (CBT)—to reduce cardiovascular risk in autistic individuals aged 9 to 26 who have a high body mass index. Participants are randomly assigned to receive lifestyle coaching, CBT sessio…

This study tests whether stroke survivors can safely use a robot called ReHandyBot to exercise their hand at home without a therapist present. Participants first learn how to use the device at a clinic, then take it home to train on their own. The goal is to see if unsupervised h…

This study tests a web-based tool called SHARE-HF that helps heart failure patients and their doctors make medication decisions together. The tool shows personalized prognosis and medication options. Researchers will compare clinics using the tool to those with usual care, involv…

This study tests a 'nudge' program—including text reminders, a medication calendar, and an action plan—to help 84 adults with atrial fibrillation take their blood thinners consistently. Participants will watch an educational video, create a daily pill-taking routine, and receive …

This study tests a new injectable drug called depemokimab in 30 children aged 6 to 11 with asthma that involves a specific type of inflammation. The drug is given alongside their usual asthma medicines to see how the body processes it, how well it works, and if it is safe. The go…

This study will test whether a 4-month digital coaching program (Noom) helps adults who recently started GLP-1 medications improve their diet and physical activity. About 220 participants will use the app to track food and exercise, get coaching, and learn about managing challeng…

This early trial tests a new device called Anchord that repairs leaky mitral valves without open-heart surgery. It will include 5 people with severe valve leakage who are too high-risk for standard surgery. The goal is to see if the device is safe and can reduce the leak, improvi…

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 study tests a wearable device that tracks heart rate, breathing, activity, and fluid buildup in people recently hospitalized for heart failure. 800 participants will either get standard care or standard care plus the device for 90 days. The goal is to see if early alerts fro…

This phase 3 trial tests whether giving clot-busting drugs directly into the blocked brain artery (intra-arterial thrombolysis) helps people recover better from a medium-vessel stroke. About 306 adults aged 18-80 with acute stroke will be randomly assigned to receive either the d…

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

This early study tests whether a drug called sirolimus (rapamycin), given directly into the brain's fluid spaces, can prevent hydrocephalus after a severe brain hemorrhage. Hydrocephalus is a dangerous buildup of fluid that often requires a permanent surgical shunt. The trial wil…

This study tests whether metformin, a standard diabetes medicine, can improve heart function in people who have received a mechanical heart pump (LVAD) for severe heart failure. Researchers will give metformin or a placebo to 108 patients for 12 months and check heart function, b…

This study tests a new procedure for people with a completely blocked main portal vein who have had at least two episodes of dangerous variceal bleeding. Doctors will use ultrasound to guide a needle into a vein in the gut, then try to reopen the blocked vein or create a new bypa…

This study looks at whether stopping propranolol suddenly or slowly is better for preventing hemangioma regrowth in infants. About 110 children who have taken propranolol for at least 6 months will be randomly assigned to either stop immediately or taper over 4 weeks. The goal is…

This study tests a simple balloon inflation technique to modify blood clots during emergency heart artery opening. 100 heart attack patients will either get the balloon procedure or standard care. The goal is to see if this reduces damage to the heart muscle and improves recovery…

This study tests whether providing home-delivered low-sodium meals and short-term dietary counseling helps older veterans with heart failure recover better after a hospital stay. About 1,400 veterans aged 60 and older will be randomly assigned to receive either the meals plus cou…

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 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 study tests whether community health workers (CHWs) can help people with rheumatic heart disease (RHD) take their monthly antibiotic shots consistently. The trial will enroll about 308 participants in Brazil and Timor-Leste, including adults and children with RHD and their c…

This study tests whether the diabetes drug ertugliflozin, started within 72 hours of a first heart attack, can improve heart function in people with type 2 diabetes. About 476 adults will be randomly assigned to take the drug or receive standard care. Researchers will measure cha…

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

This study tests whether a type of abdominal massage called visceral osteopathic manual therapy can improve sperm quality and blood flow in men with varicocele, a condition where veins in the scrotum become enlarged and can cause infertility. Thirty-two men aged 18-45 will either…

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 pilot study tests whether heart failure patients whose heart function has returned to normal can safely stop taking two medications (sacubitril/valsartan and dapagliflozin or empagliflozin). Eighty adults whose heart failure was caused by a treatable condition like a heart v…

This trial tests whether giving blood pressure medication inside a mobile stroke unit—a special ambulance with a CT scanner—can improve outcomes for people having a brain bleed. About 706 adults with high blood pressure and a recent stroke will be randomly assigned to either the …

This study tests whether the drug vericiguat can improve right heart function and reduce tricuspid regurgitation in 100 adults with heart failure and reduced pumping ability. Participants take vericiguat daily for 9 months, with regular heart scans and walking tests to measure ef…

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 study tests a new technique called PWI-Box, which uses a device named GeminiS to isolate the pulmonary veins and treat atrial fibrillation (AF) during open-heart surgery. About 200 adults with AF who are already scheduled for heart surgery via sternotomy will take part. The …

This study will test whether living in a self-contained, AI-managed community (called a Microcity) can improve mental health and reduce addiction in adults with conditions like autism, ADHD, substance use disorders, and behavioral addictions. Up to 1 million participants will liv…

This study tests whether a single daily polypill (combining blood pressure, cholesterol, and anti-clotting drugs) can help recent stroke survivors in Ghana avoid future strokes or heart attacks. About 500 participants will take the polypill or receive usual care for 24 months. Th…

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 a new device called the X-Clip, which is used to repair a leaky mitral valve without open-heart surgery. The device is inserted through a blood vessel and clips the valve to help it close better. The trial will include 15 adults with moderate-to-severe or severe …

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 trial tests whether taking two inexpensive migraine prevention drugs together works better than taking either one alone. Adults aged 18 to 55 who have at least four migraines per month will receive propranolol, flunarizine, or both for 12 weeks. The goal is to see which appr…

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

This 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 2 trial tests a dietary supplement called 2-HOBA in 12 adults with pulmonary arterial hypertension (PAH), a condition where high blood pressure in the lungs strains the heart. Participants take the supplement three times daily for 12 weeks. The study checks if 2-HOBA i…

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

This pilot study tests the drug ivonescimab in people with advanced or metastatic cutaneous angiosarcoma, a rare and aggressive skin cancer. Participants must have already received chemotherapy with paclitaxel or docetaxel. The study aims to see if ivonescimab is safe and can shr…

This study looks at how safe and effective Takhzyro is for teenagers and adults with hereditary angioedema (HAE) in everyday medical care in South Korea. HAE is a rare condition that causes sudden swelling under the skin or inside the body. The study will track side effects and h…

This study compares two approaches to blood thinning after a heart attack in patients with atrial fibrillation. One group gets two blood thinners (a DOAC plus clopidogrel), while the other gets only one (a DOAC alone). The goal is to see if using just one drug reduces bleeding ri…

This phase 2 trial tests whether taking a probiotic supplement (OMNi-BiOTiC® SR-9) twice daily for 90 days can improve gut health and recovery in people aged 60 and older who have had an acute ischemic stroke. The study will compare the probiotic to a placebo in 220 participants,…

This trial tests whether the drug sebetralstat can prevent swelling attacks in people with hereditary angioedema (HAE) when taken before a medical procedure. Participants aged 12 and older with HAE type I or II will take sebetralstat just before their scheduled procedure. The mai…

This study tests whether adding TAVNEOS to standard treatment helps control ear, nose, and throat symptoms in people with granulomatosis with polyangiitis (GPA). About 30 adults with active ENT disease will receive either TAVNEOS or a placebo for 52 weeks. The goal is to see if m…

This study tests a new device that uses extreme cold to destroy small areas of heart tissue causing a dangerous fast heartbeat called ventricular tachycardia. The trial will include 100 adults with this condition who have not responded to medication. Researchers will check if the…

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

This study tests whether special force feedback instruments, used with the da Vinci surgical robot, can safely and effectively repair leaky mitral valves. The trial includes 30 adults with moderate-to-severe mitral regurgitation. Researchers will check for major complications and…

This study compares two ways to guide stent placement during emergency treatment for a severe type of heart attack (STEMI). About 2,500 patients will be randomly assigned to receive either standard X-ray guidance or ultrasound guidance (IVUS) during the procedure. The goal is to …

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 study tests whether pharmacists can encourage doctors and patients to switch to a single pill that combines multiple blood pressure medicines. About 720 adults with high blood pressure will take part. The goal is to see if this approach helps lower blood pressure more effect…

This study tests whether a stellate ganglion block (a nerve block injection) can improve neurological outcomes in people who have had a bleeding stroke from a ruptured aneurysm. The procedure is done before surgery to reduce brain artery spasms and improve blood flow. Researchers…

This study tracks people with severe eosinophilic asthma who already take Fasenra (benralizumab) every 8 weeks. Participants use electronic monitors on their regular inhalers and a study-provided rescue inhaler (AirSupra) to see if asthma control stays steady throughout the dosin…

This study tests a specially designed suction tube that cleans deep throat secretions under direct laryngoscope guidance. The goal is to see if it reduces pneumonia within 28 days in stroke patients who have trouble swallowing or coughing. Participants are adults with acute ische…

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 whether adding a preventive procedure called pulmonary vein isolation (PVI) to the standard ablation for typical atrial flutter can reduce the risk of heart-related hospital visits, stroke, or death. The trial enrolls adults aged 55 and older with an enlarged lef…

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 registry will follow 500 people with symptomatic atrial fibrillation who are scheduled for a heart ablation using the Globe Pulsed Field System. The goal is to see how well the device controls the heart rhythm over 12 months and to track any major side effects within the fir…

This study tests whether a non-invasive brain stimulation technique called cTBS, guided by each patient's brain scan, can improve arm and leg movement after a stroke. About 584 adults who had a stroke within the past two weeks will receive either real or sham stimulation alongsid…

This study tests whether adding 20 minutes of moderate-to-high intensity aerobic exercise before constraint-induced movement therapy helps stroke survivors walk better. Fifty adults who had a stroke at least 6 months ago will take part in a 4-week intensive program, followed by a…

This study compares two common ways to access the blood for dialysis: a tunneled catheter (a tube placed in a large vein) versus a surgically created fistula (connecting an artery to a vein). The trial will enroll 220 patients aged 60 or older (or younger but with multiple health…

This early-stage trial will test a single dose of a new drug called LY3971297 in 90 people with two types of heart failure: preserved ejection fraction (HFpEF) and reduced ejection fraction (HFrEF). The main goal is to see if the drug is safe and what side effects occur. Particip…

This study tests an experimental oral drug called AC01 in 400 people with chronic advanced heart failure and a weak heart pump. The goal is to see if AC01 can safely improve heart function over 12 weeks compared to a placebo. Participants will have heart ultrasounds and blood tes…

This study tests two ways of measuring magnesium in the blood to personalize magnesium sulfate (MgSO4) dosing for children after heart surgery. Low magnesium levels can lead to heart rhythm problems and kidney injury. One method measures total magnesium, while the other measures …

This study compares a heart procedure called catheter ablation to standard medical treatment for people with atrial fibrillation (an irregular heartbeat) and heart failure with preserved ejection fraction (a type of heart failure where the heart pumps normally but is stiff). The …

This study tests a personalized brain stimulation technique called cTBS to help people recover movement after a stroke. Researchers use each patient's brain scan to target the stimulation precisely. Sixty participants will receive either real or sham stimulation alongside standar…

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 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 whether using detailed PET-CT scans to guide where a pacemaker lead is placed can improve heart function in 20 people with heart failure. Participants will receive a standard pacemaker, but the lead position will be chosen based on scan data. The goal is to see i…

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 trial tests whether tirzepatide, a drug used for diabetes and weight loss, can reduce the return of atrial fibrillation (AFib) after a heart procedure called catheter ablation. Overweight or obese adults with persistent AFib will receive either tirzepatide injections plus st…

This study tests whether people who have had a minor stroke or a high-risk mini-stroke can safely stop one of their two blood thinners earlier than usual. About 3,800 participants will have their blood tested to see how they respond to the drug clopidogrel. Those who are sensitiv…

This study tests whether patients with a heart pump (LVAD) can safely stop taking aspirin while continuing warfarin. The goal is to reduce bleeding problems without increasing dangerous clots. About 370 participants will be randomly assigned to receive either aspirin or a placebo…

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 tests whether giving aspirin early after repairing a ruptured brain aneurysm helps patients recover better. About 388 adults who had a bleeding aneurysm will receive either aspirin or a placebo for 10–14 days. The goal is to see if aspirin reduces brain complications a…

This study looks at whether adding L-carnitine, a natural substance, to standard care can improve outcomes for critically ill adults with liver disease in the ICU. About 58 participants with conditions like liver failure or severe infections will be enrolled. Researchers will tra…

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

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

This trial tests whether a new scoring system, called the Biological Congestion Score (BCS), can help doctors better manage diuretic medications in people with chronic heart failure. The BCS combines four blood biomarkers with clinical information to estimate fluid congestion and…

This study tests a new device called the VERAFEYE System, which creates a 3D model of the heart to guide doctors during catheter ablation for paroxysmal atrial fibrillation (a type of irregular heartbeat). About 100 adults who are already scheduled for ablation will have the proc…

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 tests whether using cord blood, rich in fetal hemoglobin, for transfusions in preterm infants can reduce serious complications like blindness, lung disease, and gut problems. Researchers will compare outcomes in 200 very low birth weight babies who receive either cord …

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 looks at 240 adults having a major heart attack (STEMI) when the standard emergency procedure to open the blocked artery is expected to be delayed by over an hour. Half will get a clot-busting drug (tenecteplase) right away, followed by the procedure within 2-24 hours.…

This pilot study tests whether an active smartwatch that gives real-time feedback, combined with regular nurse coaching, can help people who had a minor stroke or TIA walk more each day. Fifty participants will be randomly assigned to either an active smartwatch or a passive one …

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 tests whether pacing the heart from a specific spot (posterosuperior bundle) can lower the chance of atrial fibrillation (AF) in people with sinus node dysfunction (a slow or irregular heartbeat). About 300 adults who need a pacemaker will be randomly assigned to get p…

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 a set of dietary supplements taken at different phases of a migraine cycle can improve quality of life and reduce headache days in adults with migraine. Participants take a daily foundational supplement, with additional supplements during the luteal phase…

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 trial tests a drug called ivarmacitinib in people with Behçet's disease who have not improved with standard treatments. Ivarmacitinib blocks a key inflammation pathway (JAK-STAT) to reduce symptoms. Participants take the drug daily for 24 weeks, and researchers monitor their…

This study tests whether measuring sodium in urine can help doctors give the right amount of diuretics (water pills) to people hospitalized with worsening heart failure. About 260 adults will be split into two groups: one gets standard care, the other gets treatment guided by uri…

This pilot trial tests whether sirolimus, an anti-inflammatory drug, can reduce artery wall swelling in people with vertebrobasilar dolichoectasia (VBD), a condition where arteries at the base of the brain become enlarged and twisted. Twelve participants will take sirolimus daily…

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

This early-stage trial tests a one-time infusion of donor immune cells (CAR-γδT cells) designed to target and destroy faulty B cells in people with severe autoimmune diseases like lupus and scleroderma. The main goal is to check safety and find the right dose in 9 adults whose di…

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 trial tests whether adding extra ablation lines to the standard pulsed-field ablation procedure helps people with long-standing atrial fibrillation (AF) stay in normal heart rhythm. 430 participants with AF lasting 1-3 years will be randomly assigned to receive either standa…

This study tests an experimental drug called ATV-1601 in people with moderate to severe HHT, a condition that causes frequent nosebleeds and anemia. The trial has two parts: first, participants receive either the drug or a placebo to check safety and effectiveness; then, all elig…

This study tests whether a non-invasive ear stimulation, called low-level tragus stimulation, can reduce inflammation and early heart rhythm problems after pulsed field ablation for atrial fibrillation. Forty-six adults with atrial fibrillation will receive either active or sham …

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

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

This pilot study tests whether amiloride, a drug used for high blood pressure, can reduce inflammation in the walls of enlarged arteries at the base of the brain in people with vertebrobasilar dolichoectasia (VBD). Six adults with VBD will take amiloride for up to 12 months. Rese…

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

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

This study 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 mobile app (MOM-HD) can help pregnant women with high blood pressure or diabetes monitor their blood pressure and blood sugar at home. About 864 women in Nepal will either use the app plus standard care or standard care alone. The goal is to see if home…

This study will test if taking oral azithromycin pills for three days each month works as well as getting a monthly penicillin shot to prevent rheumatic heart disease from getting worse. The trial plans to enroll 474 Nigerian secondary school students aged 10-18 with mild or mode…

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 trial investigates whether adding early lumbar drainage to standard care (a drain in the head plus clot-dissolving medication) improves long-term outcomes for people with bleeding into the brain's fluid-filled spaces. The study includes adults aged 18 to 85 who have had a fi…

This study tests whether a non-invasive device that gently stimulates a nerve in the ear can improve balance and body control in people who have had a stroke. Twenty-two participants will receive either the stimulation plus balance training or balance training alone. The goal is …

This study tests whether everolimus, a drug already approved for other conditions, can safely improve social abilities in people with PTEN Hamartoma Tumor Syndrome (PHTS). About 60 adults and children with PHTS and social difficulties will take either everolimus or a placebo for …

This study tests a new, simple procedure done right after doctors remove a blood clot from the brain in severe stroke patients. The procedure involves briefly inflating and deflating a tiny balloon to gently restore blood flow, which may prevent extra brain damage. About 288 to 4…

This study tests whether the diabetes and weight-loss drug tirzepatide (Mounjaro) can reduce the chance of atrial fibrillation coming back after a heart procedure called catheter ablation. About 602 adults with obesity and a type of heart failure (HFpEF) will get either tirzepati…

This study tests an oral drug called glycerol tributyrate in 24 adults with MELAS or LHON-Plus, two rare mitochondrial diseases that cause severe symptoms like strokes and vision loss. The trial is open-label (everyone gets the drug) and uses each person as their own control over…

This large phase 3 trial tests an experimental drug, REGN7508, against the standard blood thinner apixaban for preventing strokes in people with atrial fibrillation (an irregular heartbeat). The study will enroll over 15,000 participants to compare how well each drug prevents str…

This study tests a catheter-based procedure called Varipulse to treat paroxysmal atrial fibrillation (irregular heartbeat that comes and goes). Researchers want to see how well it works long-term when combined with different types of sedation. About 300 adults aged 18-80 with sym…

This study will enroll 30,000 adults in China with atrial fibrillation (a type of irregular heartbeat) that hasn't improved with medication. They will receive a new type of catheter treatment called pulse-field ablation. Researchers will track their health for up to 10 years to s…

This study gives 400 adults with diabetes or high blood pressure free home-delivered produce boxes and vouchers for 6 months, plus nutrition education and self-management classes. The goal is to see if this helps them eat more fruits and vegetables, feel less food insecure, and i…

This study tests whether transplanting healthy gut bacteria (fecal microbiota transplantation) can improve quality of life and exercise ability in elderly patients with a common type of heart failure (HFpEF). Fifty adults aged 60 and older will receive either the transplant or a …

This early-stage trial tests whether stem cells from human umbilical cords are safe and might help people recover from a severe stroke. About 35 adults who had a stroke within the last 48 hours will receive either the stem cells or a placebo. The study will check for side effects…

This study tests a drug called pelacarsen in people who recently had a heart attack and have high levels of Lp(a), a type of fat in the blood that raises heart risk. The goal is to see if the drug can safely lower Lp(a) levels and improve heart health. About 240 adults in the US …

Some newborns with HIE, a brain injury from lack of oxygen at birth, also develop heart problems. This pilot trial tests whether starting a heart medication called dobutamine early, before heart failure signs appear, is feasible and safe. Forty babies receiving cooling therapy wi…

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

This study tests a procedure called pulsed field ablation (PFA) for people with early-stage atrial fibrillation (AFib) diagnosed within the last 3 years. The procedure uses a balloon to deliver energy that isolates the pulmonary veins, aiming to stop abnormal heart rhythms. Resea…

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 a drug called pro-urokinase in people who have had a stroke in the back part of the brain (posterior circulation) and can be treated within 4.5 to 24 hours after symptoms start. About 586 participants will receive either the drug or a placebo, along with standard…

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 whether a structured heart-health program can improve heart outcomes in 800 cancer survivors who have heart problems or high heart risk. The program includes exercise, nutrition advice, stress support, and risk-factor management over 12 months. Researchers will c…

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

This study tests whether removing a blood clot from a specific thigh vein (the profunda femoris vein) during standard treatment for a large leg vein clot can prevent long-term complications like pain and swelling. About 140 adults with recent leg clots will be randomly assigned t…

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 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 a special radioactive tracer called [68Ga]Ga-FAPI-46 for PET scans in 40 people with transthyretin cardiac amyloidosis (ATTR-CM), a condition where abnormal proteins build up in the heart. The goal is to see if this scan can measure scar-like activity in the hear…

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

This study will test whether an algorithm that analyzes data from Withings smart scales (weight, body water, and step counts) can accurately detect heart failure. Researchers will look back at data from 9,000 people aged 45 and older in the US. If the algorithm works well, it cou…

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 tests whether oxygen-enhanced MRI (OE-MRI) can identify low-oxygen (hypoxic) regions in high-grade gliomas, the most common and aggressive adult brain cancers. Twenty-five patients will undergo OE-MRI scans before, during, and after standard radiotherapy. Researchers w…

This study evaluates a simple questionnaire designed to detect decompensated heart failure—a sudden worsening of heart failure—in people aged 55 and older on Réunion Island. Researchers will compare the questionnaire's results with standard heart exams (echocardiogram, ECG, and c…

This study tests whether a special 4D-flow MRI can accurately measure blood flow and pressure in the liver without needing an invasive catheter. Researchers will enroll 60 adults with cirrhosis and compare MRI results to the standard pressure test. If it works, this could make di…

This study tests a small, handheld ECG device that records heart activity when held against the chest and sends the data via smartphone to a doctor. Researchers will enroll 594 adults with known or suspected heart conditions to see if the new device is as good as the standard 10-…

This study looks at 115 children aged 6 months to 5 years who have a hole in the heart (VSD) and need surgery. Doctors want to see if an ultrasound probe placed in the food pipe (TEE) can measure heart pressure as accurately as the standard method using a thin tube (catheter) ins…

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 tests whether an artificial intelligence (AI) program can help doctors identify a rare heart condition called cardiac amyloidosis on routine echocardiograms. The condition causes protein buildup in the heart muscle, leading to heart failure, and is often missed early o…

This study will test a new, more accurate blood test (Troponin T high-sensitivity Gen 6) to see if it helps doctors diagnose heart attacks faster. Researchers will compare emergency department visit data from 19,500 patients before and after the test is introduced. The goal is to…

This study will test whether a small, wearable patch that records heart activity for 7 days can find undiagnosed atrial fibrillation (a common heart rhythm problem) in 30,000 Chinese adults aged 60 and older. Participants will wear the patch and then be followed for up to 10 year…

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 explores whether a PET/MR scan using a radioactive tracer called 18F-Florbetaben can detect amyloid deposits—abnormal protein clumps that can damage organs—in people with certain blood disorders. Participants receive a single injection of the tracer followed by a whole…

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 tests whether a single injection of fremanezumab, a drug used to prevent migraines, can stop acute mountain sickness (AMS) in healthy adults. Thirty volunteers will receive either the drug or a placebo one week before climbing to a high-altitude hut. Researchers will t…

This study investigates whether screening older veterans (age 65 and older) who have a higher risk of atrial fibrillation—a condition where the heart beats irregularly—can reduce their chances of stroke, heart failure, or death. Participants selected for screening wear a small, w…

This pilot study tests two non-invasive methods to keep the airways clear in adults who are unconscious or severely ill and need a breathing tube. One method uses a special tube with continuous low-pressure suction, and the other delivers a programmed 'artificial cough' through t…

This study tests a personalized support program called PTBCARE+ for pregnant individuals at high risk of delivering early. The program includes a stress reduction toolkit, a website/app, care coordination, and optional massage. Researchers will compare stress levels and birth out…

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 will test whether a 12-week Transcendental Meditation (TM) program can improve stress, mood, and blood pressure in post-menopausal women at risk for hypertension. Sixty women aged 50-80 with mildly elevated blood pressure and stress will be randomly assigned to TM or 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 whether the drug cilostazol can prevent recurrent strokes and heart problems in 1100 recent stroke survivors in Ghana. Participants take either cilostazol or a placebo twice daily for 24 months. The goal is to see if this affordable drug, already used in Asia, ca…

This study tests a WeChat mini-program that sends heat warnings to parents and teachers of 200 fourth-graders in Beijing. When temperatures reach risky levels, the program shares health tips and alerts. The goal is to see if this helps children stay physically healthy and think c…

This study tests whether a structured referral tracking program helps adults in Pakistan complete follow-up eye care after community screenings. 500 participants will receive either standard referral or extra support like counseling and weekly reminders. The goal is to prevent bl…

This study compares two ways of feeding patients with severe ischemic stroke who have trouble swallowing. The goal is to see if feeding through a tube placed past the stomach (post-pyloric) reduces the chance of developing pneumonia compared to standard stomach feeding. About 174…

This study tests whether giving a mild electrical brain stimulation (tDCS) before, during, or after physical therapy helps stroke patients recover arm movement faster. Sixty hospitalized stroke survivors will receive three daily tDCS sessions, with only one being real and the oth…

This phase 3 study evaluates the long-term safety of elismetrep (K-304), an oral medication taken as needed for migraine attacks. About 1,000 adults who previously took elismetrep in an earlier trial will continue using it intermittently. Researchers will track side effects over …

This pilot study explores whether non-drug strategies like virtual reality or relaxing soundscapes can reduce anxiety and pain in adults undergoing scheduled coronary angiography or angioplasty. Participants will be assigned to listen to calming sounds, experience a virtual reali…

This study tests whether taking oral nifedipine, a drug usually used for high blood pressure, can reduce pain and improve wound healing after hemorrhoid removal. One hundred adults in Yemen will receive either nifedipine or a placebo twice daily for two weeks after surgery. Resea…

This study looks at whether 12 virtual health coaching sessions over 16 weeks can help people with heart disease (like heart failure or a heart attack) improve their health, reduce stress, and lower the chance of going back to the hospital. About 70 adults will take part, and the…

This trial tests whether a fentanyl nasal spray can reduce pain during eye exams for retinopathy of prematurity (ROP) in preterm infants. About 58 babies born at or before 31 weeks will receive either fentanyl or a saltwater placebo before their routine exam, along with standard …

This study tests a mobile app called Maya that teaches cognitive behavioral therapy skills to adults who recently had a stroke and feel depressed or anxious. Ten participants will use the app for a few weeks to see if it is easy to use and helps improve their mood. The goal is to…

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 special attention exercises can improve focus and quality of life in people who have had a stroke. 46 participants will do either attention training or standard rehab for 4 weeks. Researchers will measure changes in attention and daily functioning.

This study tests whether giving magnesium along with the standard drug metoprolol can quickly lower a dangerously fast heart rate in people with atrial fibrillation or atrial flutter. About 196 adults in the emergency room will receive either magnesium or a placebo, plus metoprol…

This pilot study tests whether eye movement training can help people who lost part of their vision after a stroke. Twenty participants will either use an eye-tracking machine in the clinic or do reading exercises at home. Researchers will measure changes in eye movements and read…

This study tests whether a new, fully immersive virtual reality walking program can help people with traumatic brain injury (TBI) improve their mobility and quality of life. Thirty participants will try two types of VR therapy: one on a treadmill with screens, and another using a…

This study tests a new type of breathing muscle training for people with heart failure. 108 participants will either do the new breathing exercise, a standard one, or usual care for 8 weeks. Researchers will measure if it improves exercise capacity, breathing strength, and qualit…

This study compares three different walking training programs for people recovering from a stroke. Twenty participants will be randomly assigned to moderate-intensity walking, high-intensity walking, or high step-count walking during their inpatient rehab. The goal is to see whic…

This study tests a home-based eye movement therapy (optokinetic stimulation) for people with spatial neglect after a stroke. Spatial neglect makes it hard to pay attention to one side of the world, often leading to falls. The therapy involves watching moving dots on a computer sc…

This study tests whether a daily herbal capsule called Nimsai Herbal can shrink hemorrhoids and reduce symptoms like pain and itching. Fifty adults with grade 2-3 hemorrhoids will take either the herbal blend or a placebo for 10 days. The main goal is to see if the hemorrhoids im…

This study compares two types of exercise—moderate-intensity aerobic training and high-intensity interval training (HIIT)—in women aged 40-70 with stable heart failure. Over 12 weeks, researchers measure how each program affects functional capacity (e.g., walking distance) and qu…

This study tests whether adding aspirin to a standard anti-inflammatory gel can reduce pain from blood clots in children aged 6 to 17 with superficial venous malformations. The trial will compare aspirin plus gel against a placebo plus gel over 14 days. Only 34 children will take…

This study will test two FDA-approved migraine drugs, rimegepant (a tablet that dissolves on the tongue) and zavegepant (a nasal spray), in 100 adults visiting the emergency department for a migraine. The goal is to see if these drugs provide pain relief within 2 hours without ne…

This study tests whether adding motivational interviewing (a type of counseling) to a home exercise program can improve pain and arm function in people with thoracic outlet syndrome (TOS). Seventy adults with TOS will be randomly assigned to either exercise alone or exercise plus…

This study tests whether a 6-month digital education program—with short videos on exercise, healthy eating, and stress management—can improve exercise capacity and quality of life in adults with heart failure and overweight or obesity. Fifty-two participants will be randomly assi…

This study tests whether neurofeedback—a type of brainwave training—can help adults with episodic migraine have fewer and less severe headaches. Participants will undergo 60 sessions over 12 weeks, learning to regulate their brain activity through real-time feedback. The goal is …

This study investigates whether sleeping on a gently rocking bed can improve sleep quality and memory in people undergoing neurorehabilitation after conditions like stroke, traumatic brain injury, or inflammatory diseases of the central nervous system. Participants will sleep on …

This study tests whether using virtual reality (VR) for mindfulness can help people feel less anxious and experience less pain during minor vascular surgery done under local anesthesia. 160 adults with varicose veins will be randomly assigned to either wear VR glasses with guided…

Many people with migraine also suffer from tinnitus, a persistent ringing in the ears. This trial will compare two types of migraine preventives—newer anti-CGRP drugs and older medications like antidepressants and blood pressure drugs—to see which better reduces tinnitus symptoms…

This study tests a physiotherapy program that combines neck muscle exercises with a gentle nerve stimulation technique (transcutaneous vagus nerve stimulation) in 50 adults with migraine. The goal is to see if this approach can reduce pain, improve daily function, and boost quali…

This study tests a special acupuncture technique called 'Nine Pharyngeal Acupoints' to help stroke patients who have trouble swallowing. The goal is to see if it improves their ability to eat and drink safely. Researchers will use muscle activity tests and video X-rays to measure…

This study tests whether a trained community health worker, who provides remote support, can reduce the burden and improve satisfaction for rural caregivers of older veterans with serious illnesses like dementia or cancer. About 480 care partners will be randomly assigned to rece…

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 a new type of physical therapy called NICE rehabilitation for people who have had a stroke and have weakness on one side. The therapy uses a computer to show patients how to activate specific muscles, helping them regain arm movement. Researchers will measure cha…

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 looks at whether a supplement called MPFF (micronized purified flavonoid fraction) can help reduce pain and improve quality of life in adults with grade 2 or 3 hemorrhoids who are having a minor surgical procedure. About 200 participants will take MPFF as part of their…

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 compares two types of nerve blocks—Intertransverse Process Block and M-TAPA—for pain after laparoscopic gallbladder removal. Sixty adults will be randomly assigned to receive one of the blocks. The main goal is to see which block provides better pain relief and reduces…

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 will test a new way to treat varicose veins using a 1940nm laser, performed outside the operating room under local anesthesia. Researchers want to see how satisfied patients are with the procedure and check its safety and effectiveness. About 155 adults with saphenous …

This study tests a mobile mindfulness program called Lift for people who survived a serious illness in the ICU and now struggle with depression, anxiety, or stress. About 450 adults will use either the Lift app or a health education app for 6 months. The goal is to see if the min…

This study tests whether a quick, gentle push on the lower back (called lumbar spinal manipulation) can improve balance and lower fall risk in people who have had a chronic stroke. Fifty-two participants will receive both the real manipulation and a placebo version at different t…

This study will test whether foot reflexology—a type of foot massage—can help women aged 18-45 with migraines feel less pain, anxiety, and fear of movement. Twenty women will either receive 10 foot massage sessions over 5 weeks or no massage. Researchers will measure changes in h…

This study tests a virtual behavioral program for people with chronic migraine. Researchers want to find the best combination of techniques and see if letting patients choose their treatment helps. The goal is to reduce migraine frequency and intensity.

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 investigates whether a device called FREMS, which delivers rhythmic electrical pulses to the legs, can improve blood flow, reduce nerve pain and numbness, and enhance quality of life in people with type 2 diabetes who have peripheral neuropathy and poor leg circulation…

This study tests whether a non-invasive technique called transcranial focused ultrasound can help stroke survivors recover movement and thinking skills. Researchers will use brain scans and EEG to guide stimulation to specific areas. 60 adults who had a first stroke within the la…

This study looks at whether combining Frenkel exercises (repetitive movements to retrain the brain) with electrical muscle stimulation can improve balance, coordination, and body awareness in people who have had a stroke. About 38 adults aged 50-65 who can walk independently will…

This study tests whether an 8-session self-hypnosis program, delivered online in groups, can help adults with migraines reduce disability and improve well-being. Forty participants are randomly assigned to either the hypnosis training or a waitlist. The program teaches self-hypno…

This study tests if combining arm and leg cycling exercise is better than leg cycling alone for improving fitness and quality of life in people who have had a heart attack. Forty medically stable adults aged 40-70 will exercise three times a week for six weeks. Researchers will m…

This study tests whether taking at least 4 tablespoons of extra-virgin olive oil daily for 12 weeks, alongside standard cardiac rehab, is feasible and helpful for people with heart failure with reduced ejection fraction. Researchers will measure changes in diet, exercise capacity…

This study tests whether structured play activities, done with a parent, can reduce anxiety in children with congenital heart disease before their surgery. About 204 children aged 0-12 will be randomly assigned to either receive therapeutic play plus standard care, or standard ca…

This study will test a comfortable, soft elbow brace that helps bend and straighten the arm, along with a vibrating forearm bracelet that gives touch cues. About 45 people with stroke or Parkinson's disease will try these devices during arm exercises. The goal is to see if the de…

This study tests whether regular breathing exercises can improve symptoms of Postural Tachycardia Syndrome (POTS), a condition that causes dizziness and rapid heartbeat when standing. Twelve adults with POTS will practice breathing exercises daily for four weeks while researchers…

This study tests a robotic device designed to help people with stroke, Parkinson's disease, ALS, or mild cognitive impairment improve their arm and hand function. Thirty adults will receive standard rehabilitation, and half will also use the robot for up to 30 minutes per session…

This study tests whether adding fire needling (a technique using heated needles) to standard acupuncture can better reduce headache days in people with both chronic migraine and tension-type headache. Eighty-eight adults will receive either the combined treatment or acupuncture a…

This study tests if a procedure called middle meningeal artery embolization can help people with frequent migraines. The procedure uses tiny coils to block a blood vessel in the head. Researchers want to see if it reduces migraine days and the need for migraine medications. The s…

This study looks at whether anti-IL-6 drugs, used for inflammatory conditions like rheumatoid arthritis, can also reduce migraine frequency and intensity. Researchers will compare 320 people taking anti-IL-6 drugs to those on anti-TNF drugs. Participants will report how their mig…

This study tests a drug called N-acetyl-L-leucine for people aged 4 and older with CACNA1A gene disorders, which can cause coordination problems, dizziness, and migraines. About 60 participants will receive either the drug or a placebo, then switch, to see if it improves movement…

This study tests a 6-week program where stroke survivors do balance exercises while also performing mental tasks, like naming words or reacting to sounds. The goal is to see if this dual-task training improves stability and mobility better than standard balance exercises alone. 2…

This study tests whether a special ketone drink can help people hospitalized with acute heart failure. The drink is given three times a day for five days. Researchers will measure changes in heart stress markers and symptoms. The goal is to see if ketones can improve energy for t…

This pilot study tests whether watching special videos can help people recover leg movement after a stroke. Twelve participants will use a video system that shows their good leg moving, while they try to copy the movement with their affected leg. They will do this 5 times a week …

This study tests whether combining augmented reality (AR) balance exercises with a gentle brain stimulation technique (tDCS) can improve balance and movement in people who have had a stroke. About 28 chronic stroke survivors with balance issues will be split into two groups: one …

This study tests if a non-invasive device that stimulates the vagus nerve can improve blood flow in the brain and thinking skills in people who had a stroke 6-12 months ago. Forty participants aged 50-60 with mild cognitive issues will receive the stimulation. Researchers will me…

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 combining virtual reality games with physical therapy can reduce chronic pain in children aged 7 to 21. Twenty participants with pain in the head, neck, or upper limbs will attend six weekly sessions. They will play VR games designed to encourage movement…

This study tests two types of exercise—aerobic and resistance—both combined with blood flow restriction (using cuffs on the legs) in 40 people with stable heart failure. The goal is to see which approach better improves muscle oxygen levels, heart stress markers, daily function, …

This study looks at people with migraines who also have a small hole in the heart (PFO). Participants first take a blood-thinning drug (prasugrel) to see if their migraines improve. Those who respond are randomly assigned to either continue the drug alone or have a procedure to c…

This study compares two sizes of IV cannulas (18-gauge vs 20-gauge) in emergency patients to see if the larger one causes more pain or is harder to insert. About 204 adults with low-to-moderate difficulty for IV access will be randomly assigned to one size. Patients will wear gog…

This study tests whether combining neuromuscular electrical stimulation with upper limb nerve exercises can improve hand grip strength and range of motion in people who have had a stroke. The trial will include 44 adults who had an ischemic stroke at least 3 months ago and have s…

This study tests an experimental medicine called BAY 3670549 in 360 adults with atrial fibrillation (an irregular heartbeat). Participants receive a single IV dose of the drug or a placebo to see if it can restore normal heart rhythm without needing an electrical shock procedure.…

This study tests if a new dynamic compression device, used with compression stockings, works as well as current treatments for reducing leg swelling in people with lymphedema. About 98 adults with stage II or III lymphedema will use either the new device or standard wraps and pum…

This early study tests a robotic leg brace with smart software that senses how a person walks and adjusts its help in real time. Researchers want to see if this adaptive system improves walking speed and balance in stroke survivors compared to a standard brace. About 20 people, i…

This Phase 1 trial investigates how the drug HRS-9057 is absorbed, processed, and eliminated in healthy men. Six participants receive a single dose, and researchers measure the drug and its breakdown products in blood, urine, and stool. The goal is to understand the drug's behavi…

This pilot study will test a new method to see how two pain medicines, naproxen and pregabalin, work in healthy adults. Up to 25 participants will receive each medicine and a placebo in random order. They will undergo several short, controlled pain tests, like a cold water hand b…

This study screens up to 1,000 people with personal or family histories of certain cancers to see if they qualify for ongoing genetics research at the National Cancer Institute. Participants fill out a 15-20 minute online survey about their health and family history. No treatment…

This study will take standard heart CT scans from 1000 adults with structural heart disease and use a super-computer to create ultra-high-resolution images. The goal is to see if these enhanced images show more detail than the originals. No new treatments are being tested; it's a…

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 will follow 150 infants with a type of birthmark called infantile hemangioma. Some have a less active form that barely grows, while others have the typical form. Doctors will assess each baby using standard guidelines and decide whether to recommend treatment or just w…

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 will observe how the Impella 5.5 heart pump changes the way the heart squeezes and works in adults with end-stage heart failure. Researchers will use ultrasound (echocardiography) to measure heart function before, right after, and 7-14 days after the pump is placed. Th…

This study follows 100 adults with advanced heart failure for 2 years to understand how kidney function changes over time and how it relates to serious heart events like death or need for a transplant. Researchers will collect blood, urine, and stool samples, along with quality-o…

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 explores whether artificial intelligence can help perform high-field whole-body MRI scans faster while keeping image quality high. Researchers will compare standard MRI sequences with AI-accelerated versions in 600 adults undergoing screening for prostate, lung, or vas…

This study uses advanced 4D MRI scans to measure blood flow and heart function in adults with heart disease or cancer. Researchers aim to see if these detailed images can help predict how these diseases will progress. The study involves 1,000 participants who are already schedule…

This trial is testing a medical device that has not been approved by the U.S. FDA. The purpose is to gather information about how the device works and its safety in people. Participants will be monitored closely, but the device is not yet proven to treat or cure any condition.

This study will test whether a five-point ultrasound can better predict fluid overload in 200 patients hospitalized with congestive heart failure. Doctors will use the ultrasound results to guide diuretic treatment and track readmission rates over 30 and 90 days. The goal is to s…

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 investigates the role of the Sonic Hedgehog signaling pathway in brain arteriovenous malformations (AVMs), abnormal tangles of blood vessels that can cause bleeding or stroke. Researchers will analyze leftover brain tissue from 20–30 adults undergoing AVM surgery and c…

This study investigates whether measuring blood flow in the heart's smallest blood vessels (microcirculation) can help predict serious health events within a year after a person is hospitalized for acute myocarditis. Researchers will use a special technique during a standard hear…

This study gathers data from 392 adults with heart failure who need a right heart catheterization. Researchers will use the data to train a machine learning model for a non-invasive device that estimates heart pressure. The goal is to help doctors monitor and treat heart failure …

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 looks at how well platelets work in patients on a life-support machine called ECMO, which helps people with severe lung or heart problems. The goal is to understand why these patients often have dangerous bleeding. Researchers will measure platelet function over time a…

This study will enroll 100 people who have already had a heart procedure (pulsed field ablation) for atrial fibrillation. Participants will wear a BodyGuardian monitor for a period after the procedure to see if it catches any return of irregular heartbeats. The study also asks pa…

This study will use ultrasound to measure the thickness and movement of breathing muscles between the ribs in 65 stroke patients. Researchers will compare the affected and unaffected sides and see how these measurements relate to breathing strength, movement, balance, and quality…

Superficial vein thrombosis (SVT) is a painful but usually harmless blood clot just under the skin. However, about 4% of people develop more serious clots in deep veins or lungs. Current guidelines recommend ultrasound scans to decide if blood thinners are needed, but scans are o…

This study will interview 15 people from ethnic minority backgrounds in the UK who have heart disease. The goal is to understand their views on the diet and lifestyle advice they get from doctors, and whether it fits their cultural and religious customs. Researchers hope to learn…

This trial tests an AI tool called MIDI that quickly spots problems in brain MRI scans. The goal is to see if it helps doctors report urgent scans faster, so patients get treatment sooner. Over 100,000 adults will take part across multiple NHS sites in the UK.

This study will follow 120 women having surgery for common anal conditions like fissures, hemorrhoids, or fistulas. Researchers want to see if their sexual function improves after surgery. Participants will fill out questionnaires before surgery and at 3 and 6 months after. The g…

This study tests a new home monitoring system called AVATAR-SC that uses a digital avatar to collect voice recordings and symptom questionnaires from heart failure patients. The goal is to see if changes in voice can serve as early warning signs of worsening heart failure. Sixty …

This study will test a device that delivers gentle waist pulls during treadmill walking to improve balance in people who have had a stroke and in older adults with mild balance issues. Fifty participants will undergo nine training sessions over three weeks. The goal is to see if …

This study tests whether having a neurologist consult via video during ambulance transport helps decide the best hospital for suspected stroke patients. About 484 adults with stroke symptoms will be randomly assigned to standard care or standard care plus a telemedicine consultat…

This observational study will test a behavioral program designed to improve how nurses and anesthesiologists handle IV catheters. Over three years, one hospital will use the program while another continues usual care. Researchers will track complications like phlebitis and infilt…

This study will look at data from 918 adults who had planned heart surgery to find out why some develop atrial fibrillation, a common and serious irregular heartbeat. The researchers will also examine whether newer anesthesia methods, like a nerve block, might help protect agains…

This study aims to learn how patients with severe stroke move during their hospital stay. Fifty adults will wear a small activity tracker (activPAL) that records lying, sitting, standing, and stepping. Researchers will compare this data with standard mobility goals to understand …

This study investigates why some chronic stroke survivors with slow walking speed improve after high-intensity interval training (HIIT) while others do not. Participants will undergo 12 weeks of supervised cycling sessions, along with MRI brain scans and walking tests before and …

This study looks at people with inflammatory bowel disease (IBD), including ulcerative colitis and Crohn's disease, to better understand their risk of serious heart problems like stroke and heart attack. Researchers will collect information on therapy, disease activity, lifestyle…

This study will test a new imaging system called CHORUS IDx in 200 people scheduled for a heart ablation procedure. The system takes pictures inside the heart to help doctors see better during the procedure. The main goal is to check if the device is safe and to collect images th…

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 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 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 observational study will test whether an artificial intelligence algorithm can accurately detect heart sounds using data from a wearable ECG patch in 50 people with heart failure. Participants will wear the patch and have their heart sounds recorded with a digital stethoscop…

This study will follow 100 people with severe obesity who are starting a GLP-1 drug (like Ozempic or Wegovy) to see if it causes new anal or rectal problems within the first 3 months. Participants will have a check-up before starting the drug and again after 3 months to look for …

This study will measure certain proteins in the blood of people who have had a brain hemorrhage (bleeding in the brain) and compare them to healthy volunteers. The goal is to see if these proteins are linked to inflammation after the bleed. No drugs or treatments are being tested…

This observational study will collect data from health records of 850 children under 2 years old who have venous thromboembolism (blood clots). The goal is to see how doctors prescribe rivaroxaban (Xarelto) and other standard blood thinners, and to track any serious bleeding. No …

This trial aims to see if educational videos or audio messages can improve parents' knowledge and practices about retinopathy of prematurity (ROP) screening. About 99 parents of premature infants in Karachi will receive either a video, audio, or standard pamphlet. Their understan…

This study will follow 100 health science students for at least 10 years to understand why some people with very flexible joints (hypermobility) develop chronic pain, fatigue, and other health issues while others do not. Researchers will measure balance, heart rate, and quality o…

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 whether a type of immune cell called regulatory T cells works properly in people with chronic migraine. Researchers will compare blood samples from 24 women with chronic migraine to healthy controls. The goal is to understand if problems with these cells contr…

This study collects a wide range of information from stroke survivors and healthy volunteers, including genetic data, brain scans, electrical brain activity, and thinking and memory tests. The goal is to build a model that can predict which stroke survivors are most likely to dev…

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

This study will look at how balance, arm movement, and body awareness are related in 53 people who had a stroke at least 6 months ago. Participants will complete tests like standing on a special platform, reaching tasks, and questionnaires. The goal is to understand these connect…

This study tests whether a 6-week program that combines a pedometer with phone or video coaching is practical for people who had a stroke at least 6 months ago. 24 participants will track their steps and set goals with an occupational therapist. The main goal is to see if people …

This study will collect information from medical records and routine clinic visits of 100 people in Egypt with hereditary angioedema (HAE) type I or II. The goal is to understand how the condition is diagnosed and managed in current medical practice. No new treatments are being t…

This observational study will follow 200 adults with Brugada Syndrome who need anesthesia for surgery or other procedures. Researchers want to see how often dangerous heart rhythms occur during and up to 30 days after anesthesia. They will also check if certain anesthetic drugs o…

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 observational study monitors the long-term safety of eplontersen, a treatment for transthyretin amyloidosis, in patients who have had a liver transplant or have severe liver impairment. Researchers will track side effects, lab changes, and serious health events in about 320 …

This early-stage study will give a small dose of a radioactive-labeled drug called HRS-1893 to 6 healthy men. Researchers will track how the drug is absorbed, broken down, and eliminated through urine and feces. The goal is to understand the drug's path in the body, which is a ke…

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

This study will compare how young adults, older adults, and stroke survivors sense small electrical pulses on their skin. Researchers will measure the smallest changes in pulse frequency, strength, and timing that people can detect. The goal is to gather basic information to impr…

This study follows 50 adults with migraines who have had or plan to have a procedure called middle meningeal artery embolization as part of their regular care. Researchers will look at how headache frequency, severity, medication use, and quality of life change over 12 months. Th…

This study will collect blood samples and medical information from 600 adults with rare diseases affecting blood vessels in the brain and eye, such as CADASIL and cavernous angioma. The goal is to create a long-term biobank that researchers can use to find biomarkers and better u…

This study will follow 400 people who had a heart attack and have moderately reduced heart function (ejection fraction 35-50%). Participants will get a small implantable heart monitor to track their heart rhythm for up to 5 years. The goal is to identify markers that could predic…

This study surveys doctors who use Concerto Versa detachable coils to treat various blood vessel conditions like aneurysms and varicose veins. About 30 patients will be included, and doctors report how well the coils work and any problems within 72 hours. The goal is to collect e…

This study looks at whether a brief training video can boost police officers' confidence and willingness to use an AED (a device that shocks the heart) during cardiac arrest, especially on women. About 30 officers will take surveys before and after watching the video. The goal is…

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 tests whether releasing a blood pressure cuff (used as a tourniquet) early during blood collection reduces the rate of hemolysis — when red blood cells burst and ruin the sample. About 792 emergency department patients with non-critical conditions will be randomly assi…

This study follows 10 Chinese adults who have a specific gene mutation (BAG3) linked to dilated cardiomyopathy, a condition where the heart becomes enlarged and weak. Researchers will track changes in heart function, symptoms, and biomarkers over time to better understand how the…

This study looks at people aged 65 and older who have signs of brain blood vessel disease on a past scan but no history of stroke, dementia, or other major brain conditions. Researchers will collect information on daily function, thinking skills, speech, and any new vascular even…

This pilot study will use special PET/CT scans to see how the experimental drug sotatercept affects blood vessel remodeling in the lungs and heart of people with pulmonary arterial hypertension (PAH). About 15 adults with PAH will receive sotatercept and have imaging at the start…

This study will use a special scan to look for B cells (a type of immune cell) in the blood vessels of 30 people with giant cell arteritis, a serious disease that can cause blindness or stroke. Current treatments rely on steroids, which have harsh side effects. If the scan works,…

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 looks at 150 people with persistent atrial fibrillation (a type of irregular heartbeat) who are scheduled for a heart procedure called ablation. Researchers want to see if levels of a protein called BDNF in the blood are linked to signs of heart muscle damage (atrial c…

This observational study will follow 600 adults with chronic or acute heart failure to see how biomarkers and other factors predict individual responses to standard medications. Participants will have assessments at the start and after 1, 3, and 6 months, with follow-up phone cal…

This observational study will follow 2,500 people who had a brain hemorrhage and received minimally invasive surgery. Researchers want to see how well patients recover in real-world settings. The study does not test a new drug or procedure, but gathers data to improve future care…

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

This observational study at a French hospital will ask 20 heart rehab patients and their care teams about what stops them from getting or offering psychological and social support. The goal is to understand these barriers so that hospitals can better help patients return to work …

This study looks at whether a digital tool called Luscii is practical and acceptable for people with a rare heart condition called ATTR-CM. About 60 adults in Austria, Germany, and Italy will use a smartphone app and home devices to share health information with their care team. …

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 pilot study will test if training hospital staff in low-resource settings helps them follow a standard stroke care plan. The study plans to enroll 300 adults with acute stroke in hospitals with limited resources. Researchers will measure how well staff stick to the care plan…

This study will test a new, noninvasive camera called XyCAM CRE that measures blood flow in the back of the eye. Researchers will compare its images with standard eye tests in 350 adults with retinal disorders. The goal is to see if this camera can provide extra information to he…

This study will follow 200 cancer patients starting immune checkpoint inhibitors (ICIs) to see if these drugs stiffen the arteries. Researchers will measure pulse wave velocity before treatment, after 6-8 weeks, and at one year. The goal is to better understand vascular side effe…

This study aims to find out how common heart rhythm problems are in people with chronic kidney disease, both those on dialysis and those not yet on dialysis. Researchers will use a simple ECG test to check for abnormal heart rates and electrical changes. The goal is to better und…

This study tests a simple screening tool to help doctors find muscle stiffness (spasticity) sooner after a stroke. Researchers will track how quickly spasticity is detected and whether the tool helps doctors make faster treatment decisions. About 80 adults who recently had a stro…

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

This study looks at whether having physical therapy (PT) and occupational therapy (OT) together in one session works as well as having them separately for stroke patients in the hospital. About 567 adults admitted for acute stroke will be randomly assigned to either co-treatment …

This study will collect health information from 3000 people with hypertrophic cardiomyopathy (HCM) across multiple hospitals in China. The goal is to build a comprehensive database to understand how the disease is currently diagnosed and treated, and to identify factors that affe…

This study aims to see if wearable foot-pods (like Stryd) and breathing frequency monitors can accurately measure exercise intensity in people who have had a heart attack in the past 6 months. 24 participants will perform walking tests on flat ground and a treadmill while their o…

This study aims to find out how often hospitalized patients develop blood clots related to common catheters (PICC, FICC, CICC, and midline). Researchers will use ultrasound to check 500 adults who have had a catheter for at least 7 days. The goal is to better understand how many …

This study follows 500 people with a type of heart failure called HFpEF, where the heart pumps normally but doesn't fill properly. Researchers will use heart ultrasounds, blood tests, and medical history to group patients into different subtypes. The goal is to better understand …

This study tests new MRI techniques to measure blood flow and tissue details in the liver. Researchers will scan 110 people, including healthy volunteers and those with chronic liver disease or fibrosis, to see if these scans can reliably detect liver damage. The goal is to devel…

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 study follows 120 adults with ANCA-associated vasculitis, an autoimmune disease, who are receiving rituximab therapy. Researchers will collect blood samples over time to look for immune cell changes that signal a coming relapse. The goal is to find biomarkers that help docto…

This study will collect real-world information on the VERAFEYE system, a device that creates 3D images of the heart during procedures to treat atrial fibrillation (an irregular heartbeat) and to close the left atrial appendage (a small pouch in the heart). About 50 adults will ta…

This study tests whether a video camera with artificial intelligence can track newborn brain health by analyzing their movements. About 200 babies in the NICU will be recorded continuously from admission to discharge. The AI's findings are kept from doctors for now, to see if the…

This study will look at medical records from over 2 million adults who had surgery in Sweden between 2021 and 2024. Researchers want to see how common heart failure is in surgical patients and whether it raises the risk of death or other problems after surgery. The goal is to bet…

This study aims to see if a quicker MRI scan can produce images of blood vessel walls that are just as good as the standard, longer scan. Researchers will enroll 15 adults who already need a vessel wall MRI as part of their care. The faster scan will be compared to the regular on…

This study looks at whether using a 3D-printed copy of a patient's brain aneurysm can help doctors plan treatment and avoid problems. About 40 adults with unruptured aneurysms will have their aneurysm printed from scans, then doctors will practice the procedure on the model befor…

This study will compare two newer pacemaker technologies—left bundle branch area pacing and leadless pacing—to see how they affect heart function and the tricuspid valve. Twenty adults with certain heart block conditions will receive both types temporarily during their routine pa…

This study tests a special blood pressure monitor that deflates very slowly, designed for people with a Left Ventricular Assist Device (LVAD). Researchers want to see if patients can use it easily at home and if it helps track their blood pressure accurately. About 50 adults with…

This study uses a non-invasive forehead sensor to continuously monitor brain oxygen levels in 120 patients with subarachnoid hemorrhage (a type of stroke caused by bleeding around the brain). The goal is to see how the brain's ability to regulate blood flow changes over time and …

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

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

This study will 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 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 track 1000 adults who had a brain bleed from a burst aneurysm. The goal is to learn how often delayed brain injury happens and how doctors currently diagnose and treat it. By comparing different hospital approaches, researchers hope to find better ways to prevent …

This study tests whether a one-week educational campaign called SURA'A can improve how adults recognize stroke symptoms and their intention to seek emergency help. Researchers will enroll 350 adults at primary health centers in Diwaniyah. Participants will receive targeted consul…

This study tests a computer system called LingBao that helps doctors decide the best treatment for people having a stroke. About 3,000 adults from 20 stroke centers will take part. The system uses patient data to give treatment suggestions, but doctors make the final call. The go…

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 checks whether three common ECG-based methods can accurately locate where abnormal heart rhythms start in adults who had Tetralogy of Fallot repair. Researchers will pace the heart from known spots during a scheduled procedure and compare the predicted location to the …

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

This study 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 will use a non-invasive ultrasound test called Transcranial Doppler to measure blood flow in the brains of 125 children in the Pediatric Intensive Care Unit. Researchers want to see how brain blood flow changes during critical illness and whether those patterns relate …

This study aims to collect blood samples from 450 people, including individuals with autism spectrum disorder (ASD), their relatives, and healthy controls. Researchers will isolate cells from the blood to study genetic factors and biological processes linked to autism. The goal i…

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 will enroll 1000 heart failure patients to see if different types of body fat—around the heart, under the skin, and within muscles—are linked to heart structure and future health events like heart attacks or strokes. Researchers will use CT scans to measure these fat d…

This study looks at whether a substance in the blood called BDNF is linked to strokes caused by heart conditions like atrial fibrillation. Researchers will measure BDNF levels in 150 people who recently had a stroke and compare it with heart and brain scans. The goal is to better…

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 will collect data from up to 10,000 cancer patients across Europe to create better tools for predicting heart damage caused by certain cancer treatments. Researchers will use artificial intelligence alongside standard methods to develop risk scores that doctors can use…

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