Vascular disorder

This study tests an experimental drug called ALN-APP in 200 adults with cerebral amyloid angiopathy (CAA), a condition that causes bleeding in the brain. The drug is given via spinal injection and aims to slow disease progression and reduce new brain bleeds. Participants will be …

This study tests a special balloon coated with a drug to treat heart arteries that have narrowed again after a stent was placed. About 600 adults with this condition will be randomly assigned to receive either the drug-coated balloon or a standard balloon procedure. The goal is t…

This study tests a higher dose of the drug aflibercept (8 mg) given as an eye injection every 4 weeks to people with wet age-related macular degeneration (nAMD) or diabetic macular edema (DME). The goal is to see if this dosing schedule is safe and works well for those who have a…

This registry collects data on lung transplant patients whose donor lungs were preserved and transported using the LUNGguard or BAROguard devices. Researchers track outcomes such as primary graft dysfunction, rejection, survival, ICU and hospital stays, readmissions, and time on …

This early study tests a new device (LAmbre II) that closes a small pouch in the heart called the left atrial appendage in people with atrial fibrillation. The goal is to reduce the risk of stroke without needing long-term blood thinners. Ten participants will be followed for abo…

This early-phase study tests a single injection of a gene therapy called V001-BCMA for people with autoimmune diseases like lupus that have not responded to standard treatments. The therapy targets and modifies specific immune cells to reduce disease activity. The main goal is to…

This study tests a special balloon coated with the drug paclitaxel to treat in-stent restenosis, where a previously placed stent in a heart artery narrows again. Twenty adults who have this condition will receive the balloon treatment or standard care. Researchers will check if t…

This study tests whether using a special camera (OCT) inside the heart's arteries during a heart attack procedure leads to better outcomes than the standard X-ray method. About 3000 people having a heart attack will be randomly assigned to one of the two approaches. The goal is t…

This study tests a new medicine called ALN-6400 for people with hereditary hemorrhagic telangiectasia (HHT), a condition that causes abnormal blood vessels and frequent nosebleeds. First, healthy volunteers will receive a single dose to check safety. Then, HHT patients will recei…

This study tests an experimental drug called BI 764524, given as an eye injection, in 190 adults with moderate to severe diabetic retinopathy. Participants receive different numbers of injections over a year, and doctors compare eye damage improvements against a sham procedure or…

This early study is testing a new device called the DurAVR™ THV System, which is a replacement heart valve placed through a small tube in the leg (TAVI procedure). The study includes 40 people with severe aortic stenosis or a failed surgical valve. The main goal is to see if the …

This study tested a new device called the ACURATE neo2, which replaces a narrowed heart valve without open-heart surgery. About 1,900 people with severe aortic stenosis received either the new device or a standard one. The goal was to see if the new device is safe and works as we…

Retinal vein occlusion happens when a clot blocks a vein in the eye, leading to vision loss. Current treatments manage the fluid buildup but do not remove the clot. This trial tests whether a robot can safely guide a tiny needle into the blocked vein to inject tPA, a clot-dissolv…

This study tests a new device that replaces a leaky tricuspid heart valve using a thin tube inserted through a leg vein, avoiding open-heart surgery. It includes 150 people with severe tricuspid regurgitation who are too high-risk for surgery. The goal is to see if the device is …

This early-stage trial tests an experimental drug called BI 3000202 in 16 adults with rare type 1 interferonopathies, such as Aicardi-Goutières syndrome. Participants take a low dose for 4 weeks, then a higher dose for 36 weeks. The main goal is to see if the drug is safe and how…

This program allows individual patients with vascular disease or end-stage kidney disease on dialysis to request an experimental lab-grown blood vessel (ATEV) if they have no other treatment options and cannot join a clinical study. The vessel is designed to replace or bypass dam…

Researchers are testing two doses of an experimental eye implant called EC-104 against the standard Ozurdex implant in adults with diabetic macular edema. The trial enrolls people whose swelling did not improve enough with anti-VEGF injections but who have tolerated steroid eye t…

This large phase 3 trial tests whether newer blood thinner combinations (ticagrelor plus aspirin or rivaroxaban plus aspirin) are better than the standard clopidogrel plus aspirin at preventing stroke, brain bleeding, or death from blood vessel disease. Over 1,600 participants wi…

This study looks at the long-term safety and effectiveness of a drug called lorundrostat for people with high blood pressure. About 1,076 adults who have already taken lorundrostat in a previous study will continue taking it for up to 36 weeks. The goal is to see if the drug keep…

This early study tests whether QLS-111 eye drops can improve blood flow to the back of the eye in people with non-proliferative diabetic retinopathy or certain types of glaucoma. Fourteen participants will use the drops twice daily for two weeks. The main goal is to measure chang…

Researchers compare two common procedures for people with severely blocked coronary arteries and a heart that pumps poorly. One group receives coronary artery bypass graft surgery, and the other receives percutaneous coronary intervention, also known as stenting. The study tracks…

This study tests a device that uses radiofrequency energy to calm overactive kidney nerves, which can drive high blood pressure. About 1,900 adults with uncontrolled hypertension will receive the procedure and be followed for years. The goal is to see if this approach safely and …

This study tests if a new, automated laser treatment (DSLT) works as well as the standard laser treatment (SLT) for lowering eye pressure in people with open-angle glaucoma. About 51 adults will receive one of the two treatments and be followed for 12 months. The goal is to see i…

People with liver cirrhosis can develop dangerous bleeding from swollen veins in the esophagus or stomach. Doctors use endoscopy to find and treat the bleeding, but they do not know the best time to do it. This trial randomly assigns patients to different endoscopy timings to see…

BP-REACH tests whether a team-based program can help people who have had a stroke or heart attack lower their blood pressure. Participants receive a home blood pressure monitor, self-management education, monthly coaching calls, and medication management from a pharmacist. Resear…

This study tests whether a structured exercise program done at home can improve walking ability and overall recovery in people who recently had a stroke. About 208 adults who had a stroke within the past two weeks will be assigned to either the home exercise program or usual care…

This study follows 300 people with blocked leg arteries who received a treatment using a balloon coated with paclitaxel and vitamin E. The goal is to see if the balloon keeps the artery open and prevents the need for repeat procedures over one year. Participants are adults with m…

This study tests a new device called the Navitor TAVI system to replace a stiff, narrowed heart valve without open-heart surgery. It includes 1,500 people with severe aortic stenosis who are at low or intermediate risk for surgery. The goal is to see if the device is safe and eff…

This study tests whether people with atrial fibrillation who receive a WATCHMAN FLX Pro device can safely take just one blood thinner or aspirin instead of the usual two-drug plan. About 1,857 participants are being followed for six months to compare rates of death, stroke, major…

This study compares a device called FlowTriever (used with blood thinners) to blood thinners alone for people with intermediate-risk pulmonary embolism (blood clots in the lungs). About 1,200 adults with clots in major lung arteries and signs of heart strain will be randomly assi…

This large study is testing whether a device called WATCHMAN FLX, which closes off a small pouch in the heart, can be a safe and effective alternative to daily blood thinners (NOACs) for preventing strokes in people with non-valvular atrial fibrillation. The trial involves 3,000 …

This Phase 2 trial tests an inhaled medication called mosliciguat in 135 people who have both lung scarring (interstitial lung disease) and high blood pressure in the lungs. Participants are randomly assigned to receive either the drug or a placebo for 16 weeks. The study measure…

This early-phase trial is testing a new treatment called CC-97540, a type of CAR T cell therapy, in 12 people with severe ANCA-associated vasculitis that has not responded to standard treatments. The therapy is designed to target and destroy certain immune cells that drive the di…

Researchers are following people with high blood pressure who already received the Barostim Neo, a small implanted device that stimulates the body's own blood pressure sensors. The study tracks long-term safety and how well the device keeps blood pressure under control. Participa…

This study is testing a new stent device called the GORE® TAG® Thoracic Branch Endoprosthesis to treat aneurysms or lesions in the aortic arch and upper part of the main artery from the heart. About 250 participants will receive the device to see if it is safe and effective. The …

Researchers are testing a branched stent graft called the GORE TAG Thoracic Branch Endoprosthesis to treat aneurysms and other damage in the aortic arch and descending thoracic aorta. The device is threaded through blood vessels to the damaged area, where it seals off the weak sp…

This study looks at people with severe aortic stenosis (a narrowed heart valve) who don't yet have symptoms. Doctors usually wait until symptoms appear before replacing the valve, but by then the heart may already be damaged. The researchers use MRI scans to find hidden scarring …

This study tests whether a temporary heart pump can help high-risk patients during coronary stenting. The pump supports the heart's main chamber during the procedure, aiming to prevent heart failure or death. About 300 patients with severe coronary disease and weak heart muscle w…

This study looks at whether semaglutide, a medicine for type 2 diabetes, can slow or prevent diabetic eye disease over 5 years. About 1500 adults with type 2 diabetes will receive either semaglutide or a placebo injection once a week, in addition to their usual diabetes medicatio…

This study tests whether a community program centered in churches can help people on Chicago's South Side better control their blood pressure. Researchers will work with local health workers and church leaders to adapt proven strategies from a large health system. The goal is to …

This study looks at whether a special blood test (TEG-PM) can guide doctors in adjusting blood-thinning medications for people who have had leg artery surgery for peripheral artery disease. About 130 adults will have their blood tested before and up to 9 months after surgery, and…

This study looks at how ketogenic diets impact heart health in adults with epilepsy. Researchers will measure cholesterol, blood pressure, weight, and artery thickness over 12 months. Participants are adults 18 or older who are already on a keto diet or starting the modified Atki…

This study tests a new device that uses shock waves to break up calcium deposits in heart arteries before placing a stent. About 335 adults with coronary artery disease will receive this treatment at up to 55 US sites. The goal is to see if the device helps stents work better and…

This phase II trial tests whether adding the immunotherapy drug nivolumab to the chemotherapy paclitaxel helps shrink tumors in people with angiosarcoma who haven't had taxane drugs before. For those who have already received taxanes, the trial tests a combination of nivolumab an…

This study tests a device called a motor neuroprosthesis, an implantable brain computer interface designed to help people with severe paralysis control digital devices like computers or tablets. The device aims to bypass damaged motor pathways and transmit brain signals directly …

This study is testing a device called the Indigo Aspiration System that suctions out blood clots in people with deep vein thrombosis (DVT) in the leg. The goal is to see if it safely and effectively removes the clot and restores blood flow. About 229 participants with recent DVT …

This trial is testing a device called the Aventus Thrombectomy System, which suctions out blood clots from the lungs in people with acute pulmonary embolism. The study involves 130 participants aged 18 to 80. The goal is to see if the device is safe and effective at improving blo…

This study tests whether adding spironolactone to standard blood pressure treatment helps lower blood pressure more effectively in people who have had a stroke. About 160 adults who had a bleeding or clot-caused stroke are taking spironolactone or continuing their usual care. Res…

This pilot trial tests whether training with a portable robotic ankle exoskeleton, called AMBLE, can improve ankle push-off and walking speed in adults with chronic stroke and ankle weakness. Participants will complete 30 walking training sessions over 8 to 9 weeks while wearing …

This program provides access to an investigational drug called donidalorsen for people with hereditary angioedema (HAE), a genetic condition that causes sudden, painful swelling in various body parts. The drug is given as a monthly or every-other-month injection under the skin. I…

This Phase 2 trial tests a one-time infusion of rapcabtagene autoleucel, a CAR-T cell therapy made from a patient's own immune cells, against standard treatments for severe active granulomatosis with polyangiitis (GPA) or microscopic polyangiitis (MPA). About 126 adults aged 18-7…

This study tests whether Dysport injections can prevent chronic migraines in adults. Chronic migraine means having at least 15 headache days per month, with 8 being migraines. Participants receive injections into head, neck, and shoulder muscles every 12 weeks for up to 60 weeks.…

This study tests an experimental drug called QCZ484, given as an injection under the skin every 6 months, for people with mild to moderate high blood pressure. About 385 adults aged 18 to 75 are taking part. The goal is to see if the drug safely lowers blood pressure compared to …

This study will test whether an artificial intelligence (AI) system can help community doctors better manage patients who have high blood pressure along with diabetes or high cholesterol. About 6,800 adults will be split into two groups: one where doctors use the AI tool to guide…

This trial tests whether an AI system that flags at-risk Medicare Advantage members and suggests care actions, reviewed by a nurse, can reduce overall healthcare spending over a year. About 9,900 participants in Utah are assigned to either this AI-supported navigation or usual ca…

This real-world study is following 7,000 Chinese adults with established heart disease to see if adding Repatha® (a cholesterol-lowering injection) to their usual care reduces major cardiovascular events like heart attacks, strokes, and heart-related death. Participants are eithe…

This study tests a new medicine, EYP-1901, given as an eye injection to people with diabetic macular edema (DME), a condition that causes blurry vision in people with diabetes. The goal is to see if EYP-1901 works as well as the standard treatment (aflibercept) but with fewer inj…

This early-stage study tests a new drug called ADX-850 in 28 people with mild to moderate high blood pressure. The drug uses siRNA technology to target genes involved in blood pressure regulation. The main goal is to check safety and how the drug moves through the body, with a se…

This phase 3 trial tests EYP-1901, a new eye injection, against the standard treatment aflibercept for diabetic macular edema (DME), a condition that causes vision loss in people with diabetes. The study will enroll 240 participants and compare how well each drug improves vision …

This trial tests whether taking a daily low dose of colchicine, an anti-inflammatory drug, can reduce the risk of heart attacks, strokes, and other heart problems in Chinese patients who have had a stent placed for coronary heart disease. Researchers will compare two different do…

Researchers at Duke University are testing whether giving supplemental oxygen during hemodialysis can improve pulmonary hypertension in adults whose oxygen levels drop during treatment. Participants receive either oxygen through a concentrator or room air during their regular dia…

This trial tests two early interventions for people who have had an ischemic stroke: a computerized cognitive training program for the patient and a psychoeducational program for the main caregiver. Both start about 20 days after hospital admission, much earlier than most rehabil…

This study tests whether the drug nicorandil can lower the risk of serious heart problems like heart attacks and strokes in people with coronary artery disease who are on kidney dialysis. Researchers are giving 15 mg of nicorandil daily to 268 participants and tracking heart-rela…

This study tests a special stent device (GORE EXCLUDER) to treat thoracoabdominal and pararenal aortic aneurysms—bulges in the main artery that can rupture. About 102 people will receive the stent through a minimally invasive procedure. Researchers will check if the device is pla…

Researchers are testing whether a defined plant-based diet can improve blood vessel function in people with coronary artery disease. Participants will follow the diet while researchers measure changes in blood vessel health and heart rhythm over time. The goal is to see if this d…

This study compares two ways of delivering cardiac rehabilitation: in-person sessions and telehealth sessions. Cardiac rehab includes exercise training, health education, and counseling for people with heart conditions like heart attack, heart failure, or after heart surgery. The…

This early-stage study tests a new drug, RO7497372, given as an eye injection for people with diabetic macular edema (DME), a condition that causes vision loss. The trial involves 151 participants and aims to check the drug's safety, how long it stays in the eye and blood, and it…

This study tests whether a program using community health workers and medication can lower blood pressure and prevent heart failure in 364 adults from Detroit and Cleveland. Participants with high blood pressure or risk factors will receive personalized support and medication. Th…

This study tests whether adding dapagliflozin to baxdrostat reduces protein in the urine (a sign of kidney damage) better than baxdrostat alone. About 218 adults with chronic kidney disease and high blood pressure will take either the combo or baxdrostat plus a placebo. The goal …

This study tests a video-based healthy lifestyle program for adults aged 50 to 74 who are overweight and have conditions like prediabetes, type 2 diabetes, or high blood pressure. Participants use a tablet, scale, and activity tracker at home, and some get extra support from a co…

This study tests a new device (Laminar) to close the left atrial appendage, a small pouch in the heart, in 1500 people with non-valvular atrial fibrillation. The goal is to see if it is safer and works better than existing devices to reduce the risk of stroke and blood clots. Par…

This phase II trial tests whether an experimental drug called LT3001, given as a single intravenous infusion, can safely improve outcomes for people with acute ischemic stroke who are undergoing endovascular thrombectomy, a procedure to remove the blood clot. The study enrolls ad…

This trial tests whether community pharmacies can run a produce prescription program for adults with type 2 diabetes or hypertension. Participants receive a monthly card loaded with funds to buy healthy foods like fruits, vegetables, beans, nuts, and seafood at their usual grocer…

This trial tests whether adding brain stimulation techniques to standard swallowing therapy helps people who have trouble swallowing after a stroke. Researchers will compare neuromuscular electrical stimulation (NMES) alone with NMES combined with either transcranial direct curre…

This trial tests a device called the Akura Thrombectomy System, which is threaded through a catheter to mechanically remove blood clots from the lungs. The study enrolls adults with acute pulmonary embolism, a condition where clots block blood flow in the lungs and strain the hea…

This study is testing a device called the Akura Thrombectomy System, which is threaded through a blood vessel to mechanically remove clots from the lung arteries. It involves 118 adults with acute pulmonary embolism (symptoms for 14 days or less) who have a clot in a main or loba…

This trial tests a device called the ATC System in people with acute pulmonary embolism, a condition where blood clots block arteries in the lungs. The device aims to mechanically remove the clots and restore blood flow. Researchers will measure how well it reduces heart strain a…

This trial tests a device called the TricValve system in people with severe tricuspid regurgitation, a condition where the heart's tricuspid valve leaks blood backward. The device is implanted through a catheter into the veins leading to the heart, aiming to reduce symptoms witho…

This trial compares two strategies for placing stents in people with coronary artery disease, where arteries that feed the heart become narrowed. One strategy uses a blood-flow measurement called fractional flow reserve to decide whether a stent is needed. The other uses intravas…

This trial tests whether sparsentan, a tablet that blocks a chemical called endothelin and lowers blood pressure, can improve blood vessel function and reduce stiffness in people with ANCA-associated vasculitis. Vasculitis is an autoimmune disease that damages blood vessels and r…

This trial compares two different TAVI devices (Evolut FX and Sapien 3 Ultra Resilia) used to replace a narrowed heart valve in people with aortic stenosis. About 1,346 patients will be randomly assigned to get one device or the other. Researchers will track deaths, strokes, valv…

This study tests whether high-intensity interval training (HIIT) can improve cardiovascular health in adults who had surgery to repair coarctation of the aorta, a narrowing of the main artery. Participants are randomly assigned to do HIIT at home, HIIT in a supervised clinic, or …

This early-stage trial is testing whether focused sound wave pulses applied to the head—called transcranial pulse stimulation—can help people recover from a recent ischemic stroke. The study includes adults aged 20 to 80 who had a stroke 1 to 6 months ago and still have motor or …

This trial tests whether a supervised 12-week high-intensity interval training (HIIT) program can safely improve cardiorespiratory fitness in adults who have previously had spontaneous coronary artery dissection (SCAD), a cause of heart attack that often affects younger women. Pa…

This early-stage study tests whether a drug called anisodine hydrobromide is safe for people having a stroke caused by a blocked large artery in the brain. About 92 adults aged 18 to 80 who are already scheduled for a clot-removal procedure will receive the drug. The main goal is…

This trial tests whether a procedure to remove blood clots from veins in the brain works better than standard blood-thinning medication for people with cerebral venous sinus thrombosis (CVST), a rare type of stroke. Participants will be randomly assigned to receive either the end…

This trial tests whether high-dose vitamin D supplements can improve cognitive function in people who have had a stroke and developed thinking or memory problems. Participants will receive either vitamin D or a placebo for six months, and researchers will measure changes in cogni…

This study tests a new drug called EYE103 (Restoret) against an existing treatment, ranibizumab (Lucentis), for people with diabetic macular edema, a condition that causes vision loss in diabetes. About 984 participants will receive injections into the eye every 4 weeks for a yea…

This study tests whether personalized education generated by artificial intelligence can help adults with hypertension learn more about their condition and take their medication more consistently, compared to a standard printed booklet. About 88 adults with high blood pressure wi…

This study compares two procedures for severe aortic valve stenosis: transcatheter aortic valve implantation (TAVI), a less invasive approach, and standard open-heart surgery. It will follow 4,000 high-risk patients for up to 24 months to see which method leads to fewer deaths, h…

This study looks at whether providing medically tailored groceries can help people with type 2 diabetes and high blood pressure keep up healthy eating habits and control their blood sugar and blood pressure. About 80 adults who already took part in a meal delivery study will rece…

This pilot trial is testing whether a device called the Coronary Sinus Reducer can help people with angina (chest pain) who have no significant blockages in their coronary arteries. The device, shaped like an hourglass, is placed into a vein in the heart to improve blood flow. Th…

This study tests a device called the Surpass Evolve Flow Diverter, a small mesh tube placed inside an artery to redirect blood flow away from a brain aneurysm. The goal is to safely close the aneurysm and prevent it from rupturing. About 248 adults with unruptured, wide-neck aneu…

This trial investigates the best way to treat people who have a heart attack and also have other narrowed arteries. It compares doing an immediate procedure to open those other arteries, guided by a pressure wire, versus waiting and using a heart scan to decide later. The goal is…

This trial tests an automated system called ADIVA that delivers two medications to control blood pressure during spinal anesthesia for cesarean delivery. Low blood pressure is a common side effect of spinal anesthesia and can cause problems for both mother and baby. The system ai…

This Phase I trial tests whether infusing specially trained immune cells, called TAA-T, can safely target and attack high-risk brain tumors in children and adults. The cells are made from the patient's own blood and are designed to recognize multiple tumor-related proteins, poten…

This study tests a new approach called 'pill-in-pocket' anticoagulation for people with atrial fibrillation (AF), a heart rhythm condition that raises stroke risk. Instead of taking blood thinners every day, participants would stop them after a 30-day AF-free period and only rest…

This trial is testing a temporary stent system designed to open blocked arteries below the knee in people with peripheral arterial disease. The stent is used along with a drug-coated balloon to help keep the vessel open. The study will check how well the treated arteries stay ope…

This study tests whether implanted monitors can quickly show if a new PAH drug is working. About 40 adults with stable PAH will try two different approved drug plans while their heart and lung function are tracked. The goal is to see if this approach can help doctors choose the b…

This trial tests whether an insomnia treatment can improve markers of heart health in adults with insomnia and risk factors for cardiovascular disease. Participants receive either a cognitive-behavioral therapy program for insomnia or a sleep education control. The study measures…

This study asks whether wearing a small heart monitor for two weeks at a time, twice, can better detect hidden irregular heartbeats (atrial fibrillation) in older adults who recently had a stroke or mini-stroke, compared to the usual 1-2 day monitoring. Atrial fibrillation is a m…

This trial tests whether a procedure called renal denervation can safely lower blood pressure in people with chronic kidney disease (stage 3) whose hypertension is not controlled by medication. The procedure uses ultrasound energy to calm overactive nerves in the kidney that may …

This study looks at how well the iCover stent works when used as a bridging stent during a procedure called fenestrated endovascular aneurysm repair (fEVAR) for complex abdominal aortic aneurysms. The goal is to see if the stent stays open and keeps the aneurysm sealed without co…

This study tests a new type of balance training for people who had a stroke within the past few weeks. The training uses controlled wobbles and shifts in the support surface to challenge patients' balance in a safe way, aiming to improve their ability to walk and perform daily ac…

This trial is testing whether a catheter that suctions out blood clots can restore blood flow to the intestine in people with acute mesenteric ischemia, a life-threatening blockage of the artery feeding the gut. Participants will undergo thrombus aspiration, and if needed, laparo…

This study tests whether a focused, intensive stepping training program, called FIRST, can improve walking ability in people recovering from a recent stroke. Participants in inpatient rehabilitation receive physical therapy that prioritizes walking practice at higher cardiovascul…

This trial tests whether using optical coherence tomography (OCT) during a procedure to reopen a chronically blocked carotid artery is safe. The blockage can cause strokes, and doctors often need to see what's inside the artery after crossing the blockage. OCT provides high-resol…

This trial tests two methods of harvesting the left internal mammary artery for heart bypass surgery. One method strips the artery clean of surrounding tissue; the other leaves the tissue intact. Researchers want to know which approach keeps the graft open longer and reduces the …

This trial compares two types of transcatheter heart valves—one designed to sit above the natural valve opening (supra-annular) and one that sits within it (annular)—in people with severe aortic stenosis and a small aortic annulus (≤23 mm). The goal is to see which valve leads to…

This study tracks the safety of avacopan, a medication for ANCA-associated vasculitis, an autoimmune disease that causes blood vessel inflammation. Researchers will compare side effects like liver injury, heart problems, serious infections, and cancer in people taking avacopan ve…

This study tests whether a home-visit program called PAT+HEALTH can help pregnant women with obesity in Nigeria improve their heart health and manage weight. About 1,000 women will be randomly assigned to receive the program or standard care. Researchers will track weight, lifest…

This study tests a prototype smartphone app called Appet HEART, designed to support personalized care for people with coronary artery disease after they leave the hospital. Researchers want to see how often patients use the app, who benefits most, and whether it improves recovery…

This study follows 100 adults with primary open-angle glaucoma who had a goniotomy procedure using the C-Rex surgical instrument. The goal is to see how well the surgery lowers intraocular pressure and reduces the need for glaucoma medications over 12 months. Researchers will als…

This study tests whether adding a PCSK9 inhibitor (a powerful cholesterol-lowering drug) to high-intensity statin therapy can prevent future cardiovascular events in people who have recently had a heart attack or unstable angina and underwent a stent procedure. About 1,200 partic…

This study investigates whether intensively lowering systolic blood pressure with FDA-approved medications can reduce the buildup of amyloid and tau proteins in the brain—hallmarks of Alzheimer's disease. The trial enrolls adults aged 60-85 with high blood pressure who are cognit…

This trial tests a procedure called pulmonary arterial denervation (PADN) for people with heart failure who also have high blood pressure in the lungs. A special catheter delivers radiofrequency energy to nerves in the pulmonary artery, which may help lower pressure and improve h…

This study tests an experimental drug, NPI-001 (AT-001), in people with hereditary cystatin C amyloid angiopathy (HCCAA), a rare genetic condition that causes repeated brain bleeding and stroke. The trial includes about 15 participants aged 12 and older who carry the specific L68…

This trial tests whether a dietary supplement called Tertinat, containing epigallocatechin-3-gallate, can reduce major heart problems in people with atherosclerosis who have recently had bypass or stent surgery. Over two years, participants take either the supplement or a placebo…

This study investigates whether diagnosing and treating obstructive sleep apnea with CPAP therapy early, while patients are still in the hospital for heart problems, can reduce the chance of being readmitted within 30 days. The trial enrolls adults with heart failure, heart attac…

This study evaluates a special balloon coated with sirolimus, a drug that helps prevent arteries from narrowing again after angioplasty. The balloon is used during routine procedures to open blocked heart arteries in people with coronary artery disease. Researchers are tracking h…

This trial tests a device called the Edwards PASCAL system, which is used to repair a leaky tricuspid valve in the heart without open-heart surgery. The study includes 300 people with severe tricuspid regurgitation who are candidates for this procedure. Researchers are checking h…

This study investigates whether adding two common drugs—valsartan (for high blood pressure) and celecoxib (for arthritis pain)—to standard metformin therapy can improve blood sugar control in people with type 2 diabetes. The trial enrolls adults with obesity, high blood pressure,…

This study tests whether a structured 5-part nursing care bundle can reduce dangerous blood clots (venous thromboembolism) after total hip replacement surgery. The bundle includes patient education, ankle exercises, early walking, fluid management, and compression stockings. Abou…

This trial tests whether using a special camera inside the arteries (optical coherence tomography, or OCT) is better than standard pressure-wire measurements for deciding which non-blocked arteries need stenting in people who have just had a heart attack. About 1,425 participants…

This trial tests whether a quick procedure called umbilical cord milking—pushing blood from the cord into the baby before clamping—can improve brain development in newborns who are limp or not breathing well at birth. The study follows over 3,400 infants from the earlier CORDMILK…

This study follows about 3000 people with complex coronary artery disease who receive the Ultimaster Nagomi stent, a device that slowly releases a drug to keep arteries open. The goal is to see how often the stent fails—meaning heart-related death, heart attack, or need for anoth…

This study tests whether a gentle, targeted electrical stimulation to the brain (HD-tDCS) can safely improve how stroke survivors perceive vertical balance. Participants who have had a stroke affecting one side of the brain will receive either active or sham stimulation while per…

This trial tests a long-acting injection of leuprolide acetate in children with central precocious puberty, a condition where puberty starts too early. The goal is to suppress puberty-related hormones, slowing or stopping early development. The study includes children aged 4 to 9…

This study tests whether a non-invasive brain stimulation technique called deep transcranial magnetic stimulation (dTMS), combined with paired associative stimulation (PAS), can improve arm and hand movement in people who have had a stroke. The trial includes 40 adults who experi…

This study compares two versions of a three-drug combination eye drop for glaucoma: one with preservatives and one without. Researchers want to see if the preservative-free version is gentler on the eye surface and leads to better treatment adherence. Participants will also use a…

This trial investigates whether using a device to continuously measure pressure inside the brain's fluid-filled spaces can improve outcomes for people who have had a bleeding stroke from a ruptured aneurysm. About 372 adults with moderate to severe bleeding will be randomly assig…

This study looks at whether starting daily low-dose aspirin in the first trimester (weeks 1–12) is safer and more effective than starting in the second trimester (weeks 13–27) for pregnant women with sickle cell disease. Researchers will track maternal deaths, preterm births, and…

This study will test whether sending reminders by text, email, or secure patient portal messages helps people with heart disease or diabetes refill their statin prescriptions. About 22,000 adults who have not refilled their statin in the last 3 months will receive one of these me…

This trial tests whether a chelation therapy infusion—a cocktail that removes toxic metals from the blood—can reduce the risk of heart attacks, strokes, and leg amputations in people with diabetes and critical limb ischemia (severe blockage in leg arteries). Half of the 50 partic…

This study tests whether injecting botulinum toxin (Botox) into fat pads around the heart's veins during cardiac surgery can prevent atrial fibrillation (AFib), a common and serious complication. About 220 adults undergoing heart surgery will receive either Botox or a placebo inj…

This study tests a new drug called TS23, a monoclonal antibody designed to help break down blood clots in the lungs. It is for people with intermediate-risk pulmonary embolism, a serious condition where clots block blood flow. The trial compares different doses of TS23 against a …

This study tests whether a reduced dose of the clot-dissolving drug alteplase, given alongside standard blood thinners, can improve outcomes for people with intermediate-high-risk pulmonary embolism (a serious blood clot in the lungs). About 800 adults with confirmed acute pulmon…

This trial tests whether a home-based tele-rehabilitation program is as effective as traditional center-based cardiac rehabilitation for people who have recently had a heart attack (acute coronary syndrome). Participants will either complete 20 sessions at a rehab center or 20 se…

This study tests a virtual clinic where pharmacists monitor blood pressure, adjust medications, and provide telehealth support to older adults (65+) with high blood pressure. The goal is to see if better blood pressure control can also help prevent cognitive decline. About 1,000 …

This Phase 2 trial tests whether delivering the anti-inflammatory drug dexamethasone directly around deep veins can prevent blood clots from returning after they are removed. The study involves 60 adults aged 18-89 who have had DVT symptoms for 14-60 days. Participants receive ei…

This study tests a 12-week home-based digital program called eCardiacRehab for people who have had a heart procedure (PCI). The program includes video messages, modules, and tracking to support recovery. Researchers want to see if patients will use it regularly and find it accept…

This study looks at whether starting a cardiac rehabilitation programme soon after leaving the hospital helps people with coronary artery disease live longer and avoid hospital stays for heart problems. The programme includes counseling, education, and exercise sessions three tim…

This early study tests a small, permanent device called the V-Wave Interatrial Shunt in 9 people with severe pulmonary arterial hypertension (PAH). The device is placed in the heart during a minimally invasive procedure to create a small opening between the upper chambers, which …

This study tests whether giving a fructose (a type of sugar) injection soon after a stroke, along with standard clot-busting treatment, can improve brain recovery. About 46 adults who have a stroke within the last 4.5 hours will be randomly assigned to receive either fructose plu…

This early study tests a special scaffold that dissolves over time in 10 people with severe leg artery disease (critical limb-threatening ischemia). The scaffold is placed in arteries below the knee to help keep them open after balloon treatment. Researchers check safety and how …

This study follows 116 people with open-angle glaucoma who already have a MINIject implant in their eye. Researchers will track them for up to 5 years to see if any serious device-related problems occur. No new treatment is given—this is a safety check to see how well the implant…

This study compares two types of weight-loss surgery (gastric bypass and gastric banding) with an intensive diet and exercise program for controlling type 2 diabetes in moderately obese adults aged 25 to 55. The goal is to see which approach works best for improving diabetes and …

This study tests a new coil device (Kaneka i-ED) in 50 people with wide-necked brain aneurysms. The coil is placed inside the aneurysm to block blood flow and prevent rupture. Researchers will check how well it works, how safe it is, and whether it saves money compared to standar…

This study tests a special balloon catheter coated with the drug paclitaxel to treat narrowed or re-narrowed brain arteries. The balloon is inflated inside the artery to open it and release the drug, which may help prevent the artery from closing again. The trial includes 281 adu…

This study compares a new stent (Supera) to standard surgery for treating blockages in the leg's main artery. About 286 people with moderate to severe leg pain or sores will be randomly assigned to get either the stent or surgery. Researchers will check if the stent keeps the art…

This study tests whether a new drug-coated balloon (Passeo-18 Lux) is as safe and effective as an existing one (IN.PACT Admiral) for opening blocked leg arteries in people with peripheral artery disease. About 302 participants with moderate to severe symptoms are randomly assigne…

This phase 3 trial studies 1,200 people with severe coronary artery disease and a weak heart pump (ejection fraction 40% or less). Participants are randomly assigned to receive either guideline-directed medical therapy, bypass surgery, or stenting. The study tracks survival, hear…

This study looks at 3,500 unconscious patients who survived a cardiac arrest to find the best combination of sedation, fever control, and blood pressure management in the ICU. Each patient gets one of two levels for each factor (e.g., deep vs. light sedation, tight vs. loose feve…

This study looks at whether giving people with PTSD a personalized mix of gut bacteria (called pharmabiotics) can help their mental health. The researchers will track changes in PTSD symptoms, anxiety, depression, and thinking skills over 14 days. The goal is to see if fixing the…

This study tests whether monthly home visits from trained health agents can help people in poor, high-altitude communities in Peru better control their high blood pressure and diabetes. Over 1,000 participants will either receive these visits for a year or get usual care. The goa…

This study tests whether a drug-coated balloon is as safe and effective as a drug-eluting stent for people with large coronary artery disease. About 1,400 participants from multiple countries will be randomly assigned to one of the two treatments. The goal is to see which approac…

This study tests whether adding cabergoline to osilodrostat works better than osilodrostat alone for controlling Cushing's disease. About 50 adults with active Cushing's disease will receive either the combination or the single drug. The goal is to see if the combo can lower cort…

This phase 3 trial compares two laser wavelengths (1940 nm vs 1470 nm) for closing off faulty veins in people with symptomatic varicose veins. 220 adults will be randomly assigned to one laser or the other. The main goal is to see which laser achieves complete vein closure at 6 m…

This study is tracking 511 patients with severe tricuspid regurgitation who are treated with the Abbott TriClip device in real-world settings. The main goal is to see if the device can successfully reduce the valve leak by at least one grade at discharge. Researchers are also mon…

This study tests whether using a special imaging tool called OCT during stent placement leads to fewer heart problems over two years compared to standard methods. About 1,200 adults with blocked heart arteries that need complex stenting are taking part. The goal is to see if OCT …

This study compares two ways to replace a narrowed heart valve in people with severe aortic stenosis who are at intermediate risk for surgery. About 1,400 participants will be randomly assigned to get either a less invasive TAVI procedure or open-heart surgery (SAVR). The main go…

This phase 3 trial tests two things at once in 2312 people with coronary artery disease: a new drug-coated stent (Angiolite) versus a standard stent, and a shorter course of blood thinners versus the usual longer course. The goal is to see if the new stent works as well and if sh…

This study is following 450 people with long blockages in their leg arteries who are treated with the DETOUR System, a device that creates a bypass inside the artery. The goal is to see how well it works and how safe it is in everyday medical practice. Participants are chosen by …

This study tests whether briefly inflating a blood-pressure cuff on the arm before non-cardiac surgery can reduce heart damage in high-risk patients. Over 1,200 participants will receive either the cuff procedure or no intervention. The goal is to see if this simple, low-cost tec…

This study tests a community-based program to help Black and Latino adults with diabetes, prediabetes, high blood pressure, or obesity. Participants receive lifestyle coaching, help connecting to health and social services, and digital skills training. The goal is to see if this …

This study looks at 3,500 people with severe tricuspid regurgitation, a common heart valve problem in older adults. It compares medical therapy (diuretics), surgery, and a less invasive transcatheter procedure to see which works best and when to treat. The goal is to improve surv…

This study is testing a custom-made artificial heart valve, called TRICENTO, in 15 people with carcinoid heart disease who have severe leakage of the tricuspid valve and cannot have surgery. The valve is delivered through a catheter, avoiding open-heart surgery. The goal is to se…

This study looks at whether adding targeted laser treatment to the standard ranibizumab injections can help people with macular edema (swelling) from a central retinal vein occlusion need fewer injections over time. About 88 adults with this condition will receive either injectio…

This study tests whether showing people their own coronary CT scans can motivate them to lower their LDL cholesterol and reduce side effects from statins. 273 adults with non-obstructive coronary artery disease will be followed for 12 months. The goal is to see if visual feedback…

This study tests a minimally invasive heart bypass surgery for people with blockages in multiple coronary arteries. Instead of opening the chest fully, surgeons work through a small incision on the left side. The goal is to see if this approach is safe and effective, with fewer c…

This study is testing a less invasive procedure using stent-grafts to treat various types of aortic disease, including aneurysms and dissections. It involves 170 participants who are considered too high-risk for traditional open surgery. The goal is to see if this endovascular ap…

This study tests a device that uses ultrasound to burn nerves around the kidney arteries, aiming to lower blood pressure in people with autosomal dominant polycystic kidney disease (ADPKD) whose blood pressure remains high despite medication. 44 participants will be randomly assi…

This study tests whether a bedside device called Quantra can help doctors decide when to give blood transfusions during complex heart surgery. The device measures how well a patient's blood clots in real time. Researchers hope this will reduce the number of blood products (like r…

This study compares two ways to decide which blocked arteries to stent in heart attack patients who have multiple blockages. One method uses standard X-ray images; the other uses a computer analysis of those images to measure blood flow. About 1,800 patients will be randomly assi…

This study tests whether beta-blockers, a type of blood pressure medicine, can reduce the risk of bleeding from small varices in people with cirrhosis and portal hypertension. About 763 adults with small varices will receive either beta-blockers or a placebo for up to 3 years. Th…

This study looks at two treatment options for people who have both a leaky heart valve (ischemic mitral regurgitation) and blocked heart arteries. One option is open-heart surgery to fix the valve and bypass the blockages at the same time. The other is a less invasive procedure t…

This study aimed to see if removing additional small clots after the main blockage is cleared could help stroke patients recover better. It planned to compare standard care with extra mechanical or drug-based treatments. However, the trial was withdrawn and enrolled zero particip…

This trial tests a nurse-led health program for women aged 45 to 64 in Hong Kong. The program uses a 5-step approach (ask, advice, assess, assist, arrange) to help women manage conditions like high blood pressure, anxiety, and menopause symptoms. Researchers will compare the prog…

This study tests a drug called tezepelumab in 42 adults with EGPA, a rare disease that causes inflammation in blood vessels and can damage organs. The goal is to see if the drug helps patients reach remission, meaning no active disease and low steroid use. Participants receive ei…

This phase 2 trial tests the drug trametinib in 45 people aged 2 months to 30 years with vascular anomalies caused by changes in the Ras/MAPK pathway. Participants take trametinib daily for up to 3 years. The study measures whether the drug shrinks lesions, improves quality of li…

This study tests whether a pre-filled syringe is as safe as the traditional vial when giving the medicine bevacizumab for certain eye diseases. About 120 people with wet age-related macular degeneration, diabetic macular edema, or branch retinal vein occlusion will receive inject…

This study tests the drug alpelisib, already approved for some breast cancers, in people aged 2 months to 30 years with certain blood vessel growth disorders caused by PIK3CA or TIE2 gene changes. Participants take the drug for 2-3 years and attend up to 16 clinic visits to check…

This study tests a device that uses ultrasound to disrupt overactive nerves in the kidneys, which can drive high blood pressure. About 282 adults with hypertension will either get the real procedure or a sham (fake) procedure. The goal is to see if this treatment safely lowers bl…

This study is testing a new device called the ChEVAS System for people with complex abdominal aortic aneurysms (bulges in the main blood vessel near the kidneys). The device is placed inside the blood vessel using a catheter, avoiding open surgery. Only 13 people are enrolled, an…

This study aimed to compare a new type of heart stent that slowly dissolves over time (MeRes100) with standard permanent metal stents in people with coronary artery disease. The trial was planned to include about 2,000 participants worldwide, but it was withdrawn before enrolling…

This study compares two ways of giving faricimab, a drug injected into the eye, to treat diabetic macular edema (DME). One group gets injections on a fixed monthly schedule, while the other uses a 'treat and extend' approach where the time between injections is gradually lengthen…

This study tests a new heart valve called the NAVITOR, placed using a thin tube (catheter) without open-heart surgery. It includes 434 people with severe aortic stenosis who are at intermediate or low risk for surgery. The main goals are to check for leaks around the valve at 30 …

This study tested a one-time intravenous infusion of donor stem cells in adults aged 18 to 80 who had a recent (within 9 days) ischemic stroke. The goal was to help the brain heal and improve recovery. While promising, this approach is not a cure and patients still need standard …

This study tests a daily pill (obicetrapib plus ezetimibe) to see if it can reduce fatty plaque buildup in the arteries of 300 adults with heart disease. Participants must already be on cholesterol-lowering therapy but still have high LDL cholesterol and measurable plaque. The tr…

This study compares using a manual clot-removal catheter (Export) before standard balloon angioplasty versus angioplasty alone in 300 heart attack patients with completely blocked arteries. The goal is to see if removing the clot first improves blood flow and reduces in-hospital …

This study tests a new app called COACH that helps patients and their doctors work together to control high blood pressure. The app connects home blood pressure readings to the patient's medical record and sends reminders based on behavioral science. About 550 adults with high bl…

This study tests whether levodopa, a drug used for Parkinson's, can slow blood vessel changes in the eyes of people with diabetes. Researchers will give the drug or a placebo to 244 patients with early diabetic retinopathy and measure retinal electrical activity and imaging over …

This study tests whether an implantable heart monitor with remote follow-up can help doctors decide when to prescribe blood thinners to patients who have had a heart attack and developed new atrial fibrillation. The goal is to reduce bleeding complications compared to the standar…

This early study tests whether beta-sitosterol, a plant-based supplement, can safely help people recover from a severe type of stroke called subarachnoid hemorrhage. Forty adults who have had this stroke will take the supplement for six months. The study will check for side effec…

Researchers test whether an AI algorithm called AK-AVS can spot moderate-to-severe aortic stenosis, a narrowing of the heart's aortic valve, in older adults who have not been diagnosed. The study reviews about 4,000 routine electrocardiograms (ECGs) already collected during prima…

Paroxysmal nocturnal hemoglobinuria (PNH) is a rare blood disorder that can cause dangerous blood clots. Researchers want to know how often PNH appears in people under 50 who have had a stroke, mini-stroke, or brain vein clot with no clear cause. The study will screen 200 partici…

Researchers are testing whether an implanted loop recorder can detect atrial fibrillation in people who have had a stroke. The device continuously monitors heart rhythm for up to a year or longer. The pilot trial enrolls 24 patients across three centers to see if a larger study o…

This study compares two blood test schedules for diagnosing heart attacks in the emergency room: the standard 3-hour test and a newer 1-hour test. Over 64,000 adults with chest pain will be enrolled to see if the faster test is just as safe and accurate. If it works, patients cou…

Researchers are testing a noninvasive ultrasound method called ARFI to see if it can detect features of carotid plaque that raise stroke risk. The study includes adults with narrowed carotid arteries, some with symptoms and some without. By measuring plaque characteristics, the t…

After a traumatic brain injury, pressure can build inside the skull and cause serious harm. Doctors usually rely on a CT scan to spot this, but moving a critically ill patient to the scanner carries risks. This study tests two non-invasive ultrasound methods, transcranial Doppler…

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

Researchers are testing whether artificial intelligence can combine ultrasound images with routine health data to track changes in a person's physiology over time. The study enrolls adults with heart, lung, kidney, or blood vessel conditions, as well as healthy volunteers. The go…

This study looks at two new methods to tell apart blockages in large versus tiny heart arteries. About 68 adults with known or suspected coronary artery disease will get a PET scan and a heart catheterization. Researchers will compare the new measurements with standard tests to s…

This trial tests whether a portable home sleep apnea test can be as effective as an in-laboratory sleep study for diagnosing obstructive sleep apnea in people with high blood pressure. Participants are randomly assigned to either the home test or the lab test, and researchers com…

This trial is testing whether a new PET imaging tracer, 18F-flurpiridaz, can detect coronary artery disease as accurately as the current standard, 82Rb-chloride. The study will involve 60 adults scheduled for a clinically indicated PET scan. Researchers will compare the diagnosti…

This trial is developing an artificial intelligence system that reads electrocardiograms (ECGs) to detect congenital heart disease in children. Researchers are collecting ECG data from thousands of children, including those with common and rare heart defects, to train a deep-lear…

This study tests whether a compact 3-lead ECG device can accurately detect acute coronary syndrome (heart attack) in adults arriving at the emergency department with chest pain. Participants receive a HeartBeam ECG recording within 10 minutes of the standard 12-lead ECG. The goal…

This study checks if a Withings smart scale can accurately spot signs of high blood pressure by looking at body measurements like weight and heart rate. Researchers compared the scale's results to a standard blood pressure cuff in 2,500 adults. The goal is to see if the scale wor…

This study evaluates RDX-Aneurysm, a computer-assisted detection software designed to help radiologists find saccular intracranial aneurysms (bulging blood vessels in the brain) on MRI scans. Researchers will analyze 550 past scans—half with confirmed aneurysms and half without—t…

This study looks at whether a detailed full-body scan called FDG PET/CT can find hidden cancers in people aged 50 and older who have had an unexplained blood clot. About 1,276 participants will get either the scan or standard cancer checks. The goal is to see if the scan catches …

This study is developing an artificial intelligence tool that can detect hidden plaque in arteries by analyzing photos of the retina (the back of the eye). About 884 adults without known heart disease will have eye photos taken and compared with ultrasound scans of their neck and…

This study tests a new urine test called CercaTest™ Red to predict preeclampsia in pregnant women who show signs of the condition. Preeclampsia is a serious complication involving high blood pressure and organ damage. The test is designed to be used at the point of care, giving q…

This study looks at better ways to find hidden atrial fibrillation (an irregular heartbeat) in people who have had a stroke. About 337 participants will use either a wearable patch for 72 hours or a handheld device three times a day to monitor their heart rhythm. The goal is to s…

This study is testing whether a special home blood pressure monitor that can detect atrial fibrillation (AFib) helps diagnose the condition faster in older adults with high blood pressure. About 1,900 participants aged 60 and older will take daily blood pressure readings and answ…

This study is developing an artificial intelligence system to analyze CT scans of the heart. The goal is to automatically detect and measure dangerous plaque that can cause heart attacks. Researchers will compare the AI's findings with detailed imaging tests and track patient out…

This study is testing a new finger-prick blood test that measures troponin levels in about 10 minutes, compared to the usual 2-hour lab test. Researchers hope it will help diagnose heart attacks faster and reassure patients who are not having one, allowing them to be discharged s…

This pilot study is testing whether a special ultrasound scope (EBUS) can diagnose acute pulmonary embolism (a blood clot in the lung) in critically ill patients in the ICU. These patients often cannot undergo standard CT scans because they are too unstable or have kidney problem…

This large UK study (EVAREST) aims to improve how doctors interpret stress echocardiograms for diagnosing coronary artery disease. Researchers will collect blood samples and analyze echocardiogram images from up to 23,000 patients to find new biomarkers that make diagnosis more a…

This study aimed to see if a handheld device called CPMX3 could safely estimate brain pressure in children by measuring pressure in a forehead vein. It planned to compare these readings with standard invasive measurements in children aged 8 to 21 who already had brain pressure mo…

This study tests whether a water-resistant, wireless ECG patch worn for 7 days can detect more cases of hidden atrial fibrillation (a heart rhythm problem that raises stroke risk) than the usual 24-hour Holter monitor. Researchers will enroll 320 adults who recently had a stroke …

Researchers at Cornell University are testing whether a produce prescription program helps adults who have diet-related conditions and trouble affording food. Participants receive weekly boxes of fresh local produce for 8 to 24 weeks and attend eight nutrition education classes. …

Antiphospholipid syndrome (APS) raises the risk of blood clots and strokes, and doctors often prescribe warfarin to prevent another stroke. Warfarin requires frequent blood tests and carries bleeding risks, especially for younger patients. This trial compares clopidogrel-based an…

Blood clots after major cancer surgery are common and dangerous, but patients often leave the hospital without medicine that lowers that risk. Researchers at the Medical University of South Carolina are testing whether educating surgeons and adding an electronic alert in the medi…

This study tests a new medication called IPN10200, given as injections into the head and neck muscles, to prevent migraines in adults. About 641 people with episodic or chronic migraine will receive either the drug or a placebo. The goal is to see if it safely reduces the number …

This phase 3 study tests whether Dysport (a botulinum toxin type A) injections can prevent episodic migraine in adults. About 751 participants receive either Dysport or placebo injections every 12 weeks for up to 36 weeks. The goal is to see if the treatment reduces the number of…

This study tests a new medicine called atogepant to prevent migraines that happen around a woman's period. About 430 adult women with regular cycles and a history of migraines will take either atogepant or a placebo daily for 3 menstrual cycles. The goal is to see if the drug red…

This large Phase 3 study tests whether inclisiran, a twice-yearly injection, can prevent major heart problems like heart attacks, strokes, and heart-related death in people at high risk who have not yet had such an event. Over 14,000 participants are receiving either inclisiran o…

This study tests whether adding metal coils to the aneurysm sac during standard endovascular repair (EVAR) can prevent type II endoleaks—a common complication where blood flows backward into the aneurysm. About 100 high-risk patients will be randomly assigned to receive EVAR alon…

This trial tests whether intensive heart rhythm monitoring after a stroke can prevent another stroke. People who have had a stroke may have atrial fibrillation, a heart rhythm problem that comes and goes and is easy to miss. Researchers compare standard care with extra monitoring…

This trial tests whether a structured prevention bundle can reduce delirium in adults aged 70 and older admitted to a cardiac intensive care unit (CICU). Participants are randomly assigned to either usual care or the bundle, which includes daily pain checks, avoiding sedatives wh…

This trial is testing a device called the Vine™ Embolic Protection System, which is implanted in the carotid arteries to trap blood clots before they travel to the brain. It is designed for people with atrial fibrillation who are already taking blood thinners but still have a hig…

This trial tests whether a combination of lifestyle interventions—brain training, yoga, music therapy, and a special diet—can slow or reverse early signs of neurological disorders like dementia, stroke, epilepsy, and Parkinson's disease. Participants are healthy adults aged 50 an…

This study tests whether using a smartphone app and a home blood pressure monitor can help prevent heart disease in women who had high blood pressure during pregnancy. 120 women who gave birth at Northwestern Memorial Hospital will use these digital tools for 12 months after deli…

This pilot study tests a personalized lifestyle program for young adults (18-65) who have had a stroke or high-risk mini-stroke. The program includes intensive counseling on diet, exercise, and smoking, plus a wearable device to track health. Researchers want to see if this appro…

This study tests whether closing a small pouch in the heart (the left atrial appendage) during heart surgery can prevent strokes and blood clots. About 6,500 adults at risk for atrial fibrillation and stroke are taking part. The goal is to see if this simple addition to surgery i…

This study tests a small device called Cerogrin that gently stimulates a nerve in the ear, aiming to improve thinking and memory in people with vascular dementia or mild cognitive impairment. Twenty-four participants will use the device at home for 30 minutes daily over four week…

Researchers are testing whether isometric handgrip training, squeezing an inflatable ball in a steady hold, can lower resting blood pressure in people doing cardiac rehabilitation from home. Adults with coronary artery disease who are cleared for exercise-based rehab join the stu…

This study is testing a digital care program for adults with migraine. The program includes a wearable device that uses nerve stimulation, personalized exercises, and support from a care team. The goal is to see if it can reduce the number of migraine days per month. About 140 pe…

Researchers are testing whether manual vagus nerve stimulation, a hands-on technique that targets the vagus nerve without surgery or electrical devices, can improve movement, autonomic function and thinking skills in people who had a stroke at least six months earlier. Participan…

This study looks at whether wearing compression stockings for a longer time after foam sclerotherapy (a treatment for varicose veins) can reduce skin darkening (hyperpigmentation) above the treated veins. About 140 adults with varicose veins will be followed for 28 days after the…

After coronary artery bypass grafting, doctors place tubes to drain fluid from around the heart. This trial compares two ways of monitoring that drainage: using gentle negative pressure (suction) or letting it drain on its own. Researchers will track fluid buildup around the hear…

This study tests a new program called PA-ChatS that helps people increase physical activity in the first 6 weeks after a stroke. Participants wear a Fitbit to track steps and have weekly phone meetings with an occupational therapist for 6 weeks. The study includes 25 stroke survi…

Researchers are testing whether adding glenzocimab to standard endovascular therapy improves recovery in adults with acute ischemic stroke caused by a large blocked vessel and a large area of brain damage. Participants receive either glenzocimab or a placebo as an intravenous inf…

This study tests whether taking vitamin K2 supplements for one year can improve muscle strength and brain function in people who recently had an ischemic stroke. 190 participants will receive either vitamin K2 or a placebo daily. Researchers will measure handgrip strength and oth…

This trial tests whether combining foam sclerotherapy with a transdermal laser clears spider and reticular leg veins more effectively than foam alone. Researchers will enroll 70 women with these veins on both legs, treating one leg with the combination and the other with foam onl…

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

This study tests whether adding home-based telerehabilitation via WhatsApp video calls to standard outpatient therapy improves hand function in people who had a stroke 1-6 months ago. Forty-eight participants will be split into two groups: one gets standard therapy plus daily 30-…

This early study tests a new device called PRIMUS that stimulates nerves in the head and face to treat chronic migraine. Only 7 people with hard-to-treat migraines are taking part. The main goal is to see if the device is safe, not yet if it works.

This trial tests whether wearing compression stockings with a higher (32 mmHg) or lower (21 mmHg) pressure after radiofrequency ablation for varicose veins leads to less pain and swelling. About 64 adults with varicose veins and leg swelling will wear one of the two stocking type…

This study tests whether adding two ultrasound-guided nerve blocks to standard pain relief can lower opioid use and pain after coronary artery bypass grafting. 88 adults having elective bypass surgery will be randomly assigned to receive either the nerve blocks plus standard medi…

This study tests two different movement training methods—sprinter-style and skater-style—to see which better improves balance and coordination in people who had a stroke at least six months ago. Twenty-two participants will do 30-minute sessions three times a week for four weeks.…

This study tests whether taking extra salt (5 grams per day in capsules) can improve symptoms and quality of life in older adults (65+) who experience dizziness and falls due to orthostatic hypotension. The trial involves 42 participants and lasts 12 months, focusing on whether s…

This study tests whether an 8-week mindfulness meditation program (MBSR) can reduce anxiety and depression in heart patients who have completed cardiac rehab. About 74 participants will either take the meditation course or continue with standard rehab. Researchers will measure ch…

This study tests whether applying shockwave therapy to the calf muscles can improve blood flow and reduce pain in people with peripheral artery disease. About 138 adults with stable leg pain when walking will receive the treatment. The goal is to see if it helps them walk longer …

This study tests whether wearing a virtual reality headset during laser treatment for varicose veins can lower anxiety and pain. About 100 adults will use VR during the procedure, and researchers will measure their heart rate, blood pressure, and comfort levels. The goal is to se…

This study tests whether using a far red light device on the legs for 10 minutes twice a day can improve walking distance in people with peripheral artery disease (PAD). The trial involves 32 adults aged 50 and older with PAD. Participants use the light at home for four months, a…

This study compares two types of hand and arm therapy for people who had a stroke 3 to 6 months ago. One therapy involves restraining the good arm to force use of the affected arm, while the other focuses on using both arms together. Both groups also receive standard physical the…

This study tests whether wearing inflatable leg cuffs (intermittent pneumatic compression) for six months can improve walking distance in people with peripheral artery disease (PAD). Some participants also combine the cuffs with walking exercise. The goal is to see if the cuffs h…

This study compares two physical therapy approaches—Rood's techniques (using touch, stretch, and ice) and PNF patterns (diagonal movements)—to improve arm and hand function in people who recently had a stroke. 28 adults aged 40-60 with a first-time stroke will receive one of the …

This study tests whether using argon plasma coagulation during hemorrhoid surgery can reduce pain and complications compared to standard methods. About 100 adults with severe hemorrhoids will be randomly assigned to one of two surgical techniques. Pain levels and recovery will be…

This study compares two types of heart bypass surgery for people with blocked arteries: a minimally invasive approach using small incisions between the ribs versus the traditional method that opens the breastbone. Researchers want to see if the less invasive surgery leads to bett…

This early study tests the safety of a new device called PRIMUS that uses mild electrical pulses on nerves in the forehead and back of the head to treat chronic cluster headache. Five people with frequent, hard-to-treat attacks will be enrolled. The goal is to see if the device i…

This early study tests whether a combination of arginine, tetrahydrobiopterin, and vitamin C can boost nitric oxide levels in the blood and help people with peripheral artery disease walk longer without pain. Ten participants will take the therapy and be monitored for changes in …

Researchers are running an international registry to follow adults who had an ischemic stroke or transient ischemic attack and also have a patent foramen ovale, a small opening between the upper chambers of the heart. The registry collects real-world information on how these pati…

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

Researchers are comparing two ways of finding atrial fibrillation in people who have had an ischemic stroke or a transient ischemic attack (TIA). One method uses a standard electrocardiogram (ECG) in the hospital, and the other uses a prolonged cardiac monitor worn for a longer p…

This study collects blood and other samples from people with sickle cell disease and healthy volunteers to help researchers understand how inflammation affects blood vessels. Up to 2,000 adults aged 18 and older will take part. The samples will be used in lab tests to support fut…

Researchers at Semmelweis University are studying whether bacteria that cause gum disease also show up in damaged blood vessels. They will compare samples from the mouth and from diseased artery sites in 100 people who need surgery for aortic aneurysm or carotid artery narrowing.…

This study tests whether a simple educational guide can help postpartum patients who had high blood pressure during pregnancy become more active in their own care. Researchers will give the tool to some mothers shortly after delivery and compare their engagement scores with those…

This study tests a new computer-based visual training task for people who have lost part of their vision due to a stroke. Participants watch moving patterns on a screen and learn to detect motion direction, with the goal of improving visual abilities. The study first checks if th…

This long-term study follows over 3,700 adults in Baltimore to understand why some people age healthier than others. Researchers are looking at how race, income, and neighborhood affect risks for diseases like diabetes, heart disease, and memory loss. Participants visit mobile he…

This pilot study is testing a device called LabClasp that measures blood sugar without needles. Researchers want to see if regular, non-invasive glucose checks can help predict gestational diabetes and preeclampsia in pregnant women. The study plans to enroll 100 women with at le…

This registry is collecting data from 20,000 people with coronary artery disease to see if an AI tool that analyzes CT scans of the heart can help doctors make better treatment decisions. The AI measures the amount and type of plaque in the arteries. Researchers will compare how …

This study explores whether an Apple Watch can track walking, heart rate, breathing, and sleep in people with glioblastoma, a serious brain cancer. The goal is to see if the watch can detect symptom changes before they become serious, like seizures or blood clots. Twenty-five pat…

This study looks at how the common sweetener erythritol affects blood clotting and blood vessel health compared to aspartame. Twenty-four adults with a BMI of 27 or higher will drink beverages sweetened with each sweetener for two weeks. Researchers will measure markers of platel…

This study looks at how to help VA medical centers offer virtual programs that prevent heart disease, diabetes, and depression in women Veterans. Researchers are testing two different support strategies at 20 VA sites to see which works better. The study does not involve patients…

Researchers at University Hospital Freiburg are studying how blood levels of hsCRP and Lp(a), two markers linked to heart disease, change over time in patients who have had these tests more than once. The study asks whether a high result on a first test often returns to normal la…

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 …

Researchers at Chungnam National University Hospital are studying blood and cerebrospinal fluid from adults who had an out-of-hospital cardiac arrest and received post-resuscitation care. The goal is to map molecular changes over time and see how they relate to the severity of br…

Researchers in Finland are surveying about 2,000 adults who were treated for a stroke between 2020 and 2022 in two regions. The postal questionnaire asks about health, daily functioning, work and income, social inclusion, and experiences with social and health services. The goal …

This study looks at how common strokes and silent brain injuries are in young adults (ages 16-25) with sickle cell anemia, especially in Nigeria where the disease is widespread. Researchers will use brain scans and blood tests to check for damage and identify risk factors like hi…

This study looks at nearly 1,200 people with or at risk for pulmonary hypertension (high blood pressure in the lungs). Researchers use many advanced tests to find new ways to classify the disease and identify biomarkers. The goal is to better understand the disease and improve fu…

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

This study tests a training program that teaches doctors how to better talk with, listen to, and involve patients in their own care. About 180 doctors and their patients with high blood pressure will take part. The main goal is to see if the training is practical and acceptable, …

This study looks at how common kidney injury is in newborns in intensive care and what factors increase the risk. Researchers will review medical records of about 4,000 babies from hospitals around the world. The goal is to better understand short- and long-term kidney health, bu…

This study looks at how often nurses should check on people in the ICU after they have had a brain aneurysm treated. The goal is to see if checking every hour versus every two hours affects how well patients sleep. Thirty adults who had a planned aneurysm coiling will take part, …

This study follows over 1,000 adults who had their first stroke to see how many develop spasticity—a condition where muscles become stiff or rigid—within the first year. Researchers will monitor participants and create a best-practice guide for doctors to spot and treat this comm…

This study looks at 500 women with chest pain to compare two tests used during heart catheterization—FFR and iFR—to see which better predicts future heart problems like heart attacks or strokes. Participants will be followed for 5 years. The goal is to improve how doctors decide …

This study is creating a statewide collection of blood samples and medical information from people with various brain blood vessel diseases, such as stroke and dementia. The goal is to build a resource that scientists can use in future research to better understand and potentiall…

This study looks at whether tiny RNA particles called exosomal microRNAs in the blood can act as a 'stroke clock' for people with a severe type of stroke caused by a blocked large artery in the front of the brain. Researchers will compare blood samples from stroke patients to hea…

This study tests whether a clinical decision framework helps hospital doctors feel more confident when prescribing medications for older adults (65+) with chronic conditions like diabetes and high blood pressure. About 150 doctors will attend an educational session and complete s…

This study is collecting long-term, real-world data from about 6,000 adults being treated with Roche eye medications (Faricimab or the Port Delivery System with Ranibizumab) for conditions like wet age-related macular degeneration and diabetic macular edema. The goal is to unders…

This study tests whether artificial intelligence can accurately predict how patients recover after an ischemic stroke. Researchers will enroll 1000 adults from three European hospitals and use standard hospital data plus remote monitoring via a mobile app to train AI models. The …

This study follows 120 stroke survivors for six months, using brain scans and movement tests to understand why some people develop arm stiffness and weakness. Researchers hope to find early signs that predict recovery, which could guide future rehabilitation. Participants must ha…

This observational study looks at how lowering body temperature during heart-lung bypass surgery affects two common brain monitors (BIS and PSI). Researchers will track 60 adults undergoing planned coronary bypass surgery. The goal is to see if the monitors' readings change diffe…

This study follows 200 adults in Western Denmark who are having a transcatheter aortic valve implantation, a procedure to replace a narrowed heart valve. Researchers will measure quality of life before the procedure and at follow-up using a standard questionnaire. They will also …

This study looks at over 3,400 newborns who are not vigorous at birth (between 35 and 42 weeks). Doctors want to see if milking the umbilical cord (pushing blood into the baby) before clamping it leads to fewer cases of brain injury or death compared to clamping the cord right aw…

This 5-year study follows 250 people with von Hippel-Lindau disease who have brain or spinal cord tumors. Researchers use regular MRI scans and blood tests to see how fast tumors grow and what factors like hormones might affect growth. The goal is to better understand which tumor…

This study follows 250 people with high blood pressure and 60 healthy volunteers over several years. Researchers use heart imaging and blood tests to track changes in heart structure and function. The goal is to understand why some people with hypertension develop heart failure, …

This study looks at whether the body stores salt in the skin and muscles, and if that stored salt is linked to higher blood pressure. Researchers will compare healthy people with those who have hypertension, using MRI scans to measure salt content. They will also check if people …

This study will use artificial intelligence (AI) to analyze eye scans from 554 adults with diabetic macular edema (DME). The goal is to see if AI can predict when a person's eye treatment needs to change. Participants will not receive any new treatment; instead, researchers will …

This trial is testing a medical device that has not been approved or cleared by the U.S. FDA. The study is small and early-stage, focused on understanding how the device works and whether it is safe. No results are available yet, and the device is not ready for widespread use.

This study is testing whether a wearable ECG patch, combined with AI analysis, can help doctors identify a wide range of heart conditions and risks from a single recording. The Cor360 system looks at many aspects of heart health at once, such as heart failure, rhythm problems, an…

This study is looking at people hospitalized for a heart attack (STEMI or NSTEMI) who undergo a procedure to open blocked heart arteries, called percutaneous coronary intervention (PCI) or angioplasty. It compares two groups: those having a standard (non-complex) PCI and those ha…

This study follows 5,000 people who recently had an ischemic stroke or a high-risk transient ischemic attack (TIA, often called a mini-stroke). The goal is to see how well standard post-stroke care works in the real world and to track patients' health and quality of life for up t…

This observational study will enroll about 8,000 adults across Europe who have coronary heart disease or are at high risk for it, including those with diabetes or chronic kidney disease. Researchers will check whether doctors are following European guidelines for lifestyle advice…

This study looks at whether a disrupted sleep-wake cycle is linked to higher blood pressure and poorer heart health in young adults aged 18 to 45 with high blood pressure. Participants wear a wrist monitor for 14 days, have their blood pressure tracked for 24 hours, and complete …

This study looks at children who had hypoxic-ischemic encephalopathy (HIE) at birth, a condition caused by lack of oxygen to the brain. Researchers want to see if combining MRI scans taken shortly after birth with scans taken at school age can better predict cognitive outcomes li…

This study follows about 5,000 people with coronary artery disease who are treated with a paclitaxel drug-coated balloon angioplasty, a procedure that opens narrowed heart arteries and releases medication to help keep them open. Researchers are combining past medical records with…

This study follows 500 adults under 45 who have narrowing of a major brain artery, a condition that can raise stroke risk. Researchers will track participants over time to see how the narrowing progresses and who goes on to have a stroke. The goal is to better understand the natu…

This study looks at whether measuring the arm or finger can help choose the right blood pressure cuff size for pregnant women. Accurate blood pressure readings are vital during pregnancy and childbirth, but the current method of sizing cuffs may not always be correct. Researchers…

This study follows 250 male endurance athletes who were part of an earlier study to see how their heart arteries have changed over time. Researchers will use CT scans and AI to examine plaque buildup and determine if it is stable and harmless or likely to cause heart attacks. The…

This study looks back at 10 years of medical records from a scoliosis referral center to see how frequently adults with scoliosis who had surgery also develop restrictive breathing problems or signs of pulmonary hypertension on echocardiography. By analyzing data from 174 patient…

This study investigates whether people with neurodegenerative diseases—like Alzheimer's, Parkinson's, or ALS—show changes in behavior, social circumstances, or health before and after their diagnosis. Researchers will compare the records of over 61,000 patients with those of matc…

This study follows 60 people with abdominal aortic aneurysm who are scheduled for endovascular repair (EVAR). Researchers will measure artery stiffness, heart structure and function, and certain blood markers before the procedure and at several points afterward. The goal is to un…

This registry follows 500 people receiving a specific type of surgical aortic valve replacement (the INSPIRIS RESILIA valve) for up to five years. Researchers are tracking how pre-existing conditions like kidney disease, diabetes, and high blood pressure affect survival and valve…

This study looks at whether measuring lactate in stool can help doctors predict how well critically ill patients with low blood flow will respond to treatment. About 40 adults in the ICU will provide a stool sample within 24 hours of admission. Researchers will check if high stoo…

This study tests whether a new scoring system, called PRO-ICH, can accurately predict how well people will recover after a spontaneous brain hemorrhage. Researchers will also check if adding certain blood markers improves the score's accuracy. The goal is to give doctors a reliab…

This trial tests whether wearable devices can measure how the body responds to everyday challenges like changes in salt intake, meals, fasting, and exercise in adults with endocrine or metabolic disorders. Participants wear home monitoring devices and follow different diet and ac…

This study follows about 400 adults with liver cirrhosis admitted to internal medicine wards across Italy. Researchers will track how doctors manage hepatic encephalopathy—a brain complication of liver disease—during hospitalization and after discharge. The goal is to identify pr…

This study explores whether a special 3D ultrasound technique, called vector flow imaging, can predict where blood clots form inside abdominal aortic aneurysms. Researchers will scan 14 people with small aneurysms (under 5.5 cm), half with existing clots and half without. They wi…

This observational study looks at how inserting a central venous catheter into the neck affects pressure inside the skull in patients with acute brain injury. Researchers will monitor brain pressure, blood flow, and oxygen levels during and after the procedure in about 120 ICU pa…

This pilot study looks at whether spinal cord stimulation can improve nerve health in people with small fiber neuropathy, a condition that causes chronic pain. Researchers will measure changes in nerve fiber density from skin biopsies taken before and after 12 months of routine c…

This study investigates how people physically interact with each other during tasks like collaboration, competition, and cooperation. The goal is to design robot controllers that mimic these human behaviors, which could then be used in devices like exoskeletons to improve motor l…

This study scans over 16,000 adults aged 18 to 70 without known heart disease to find hidden (silent) plaque in their arteries using ultrasound and CT scans. The goal is to measure how common silent atherosclerosis is and build a risk calculator that combines imaging, lifestyle, …

This study collects blood and tissue samples from up to 500,000 adults, including heart patients, their family members, and healthy individuals. Researchers will analyze these samples to find molecular and genetic markers linked to heart disease. The goal is to improve understand…

This study uses a non-invasive ultrasound device to monitor blood flow and detect tiny clots traveling to the brain during placement of a specialized stent-graft for thoracic aortic aneurysms or dissections. Researchers aim to understand how often these microemboli occur and how …

This study uses a new, child-friendly brain imaging technique called OPM-MEG to understand how immune-related brain diseases (like autoimmune encephalitis and multiple sclerosis) and other brain conditions affect children aged 2 to 25. Standard scans often miss problems with memo…

This study looks for biological markers in the blood and tissue of adults with Marfan syndrome that could signal when an aortic aneurysm is dangerous enough to require surgery. Researchers will compare three groups of Marfan patients: those without aortic aneurysms, those with st…

This study follows 250 people who had a type of stroke called intracerebral hemorrhage (ICH) to understand why some experience progressive cognitive decline. Participants undergo advanced brain scans and tests of thinking and movement at 12–24 months after their stroke, with foll…

This trial investigates whether measuring high-sensitive troponin, a protein released during heart injury, can predict heart complications in people undergoing surgery to open a narrowed carotid artery. About 527 participants will have their troponin levels checked before and aft…

This study follows 100 people with and without varicose veins to see how often the condition appears and how it changes over time. Participants get yearly checkups including ultrasound exams. The goal is to learn what factors make vein disease worse and how it naturally progresse…

This study looks at whether bosentan, a drug that blocks a natural vessel-constricting substance, can improve blood flow in the tiny heart vessels of people with angina who have no major blockages. About 45 participants will get bosentan for 4 weeks and have MRI scans before and …

This study looks at how a brain procedure called embolization affects the immune system. Researchers will take blood samples from 78 patients before and after the procedure to measure immune markers. They want to understand why patients with brain arteriovenous malformations (AVM…

This study follows over 3,400 adults who have had a heart stent procedure to understand how continuity of care, health literacy, and medication adherence influence their long-term health. Researchers will track hospital readmissions, medication use, and patient-reported outcomes …

This study tests a short guide called the 'Jumpstart Guide' to help doctors have better conversations with dementia patients and their families about healthcare goals. Over 1,800 patients and their caregivers are taking part. Researchers will compare whether those whose doctors u…

This long-running study follows nearly 100,000 French women, mostly teachers, since 1990 to understand what factors influence their risk of cancer, heart disease, diabetes, and other major illnesses. Participants fill out questionnaires every few years about their lifestyle, medi…

This study tests whether a newer, less invasive heart-lung machine (MiECC) reduces brain swelling and stroke risk compared to the standard machine used during open heart surgery. Researchers will measure optic nerve sheath diameter (a marker of brain pressure) and track strokes o…

This study follows 214 men treated for prostate cancer to see how many develop lower limb lymphedema (leg swelling) and who is most at risk. Participants attend check-ups every three months for 18 months. The goal is to better understand this side effect and its impact on quality…

This study looks at 90 people who recently had a heart attack and have other artery narrowings that may or may not be dangerous. Researchers will use two types of scans—optical coherence tomography (OCT) and magnetic resonance angiography (MRA)—to see if they can tell which narro…

This study compares a new X-ray system (Azurion R4.0) to an older version during heart procedures like angiography. The goal is to see if the new system lowers the radiation dose patients receive while still allowing doctors to work effectively. About 824 adults from several coun…

This study aims to create a tool that predicts which patients with inflammatory rheumatic diseases (like rheumatoid arthritis, vasculitis, or polymyalgia rheumatica) will develop serious side effects from long-term steroid use. Researchers will collect routine medical data—such a…

This study follows 350 people who survived a brain bleed (intracerebral hemorrhage) and were part of earlier trials. Researchers will test memory, thinking, and movement skills over time, and collect blood samples to look for signs of ongoing inflammation. The goal is to see if s…

This study was designed to see if a device called AirGlove, which applies heat, could improve blood flow in the legs of people with peripheral arterial disease (PAD). It planned to include healthy volunteers and people with PAD who experience leg pain when walking. However, the s…

This study reviewed medical records of 1000 people who received a special balloon treatment (drug-coated balloon angioplasty) for blocked heart arteries between 2009 and 2015. Researchers tracked major heart problems like death, heart attacks, or need for repeat procedures for up…

This study looks at women who have had a heart attack or unstable angina but do not have major blockages in their heart arteries. Doctors will use special imaging techniques, like IVUS and MRI, to find hidden causes such as cholesterol plaque in artery walls or problems with tiny…

This study is enrolling 15,000 adults who are already scheduled for a coronary CT angiography (CCTA) scan. Researchers will analyze the scan images along with participants' health outcomes over time. The goal is to see if detailed information from the scans can help doctors more …

This study examines how different hospital treatments—sedation, temperature control, and blood pressure management—after a cardiac arrest impact kidney function. Researchers will follow 3500 adults who were resuscitated from a heart attack outside the hospital. The goal is to und…

This study looks at whether adding a stress CT scan that checks blood flow to the heart muscle helps doctors decide the best treatment for people with known or suspected heart disease. About 2000 adults will be followed to see if this extra test reduces the need for more tests an…

This study looks for tiny plastic particles in brain tissue removed during surgery for spontaneous bleeding. Researchers will test if these plastics are linked to more inflammation and worse recovery in 150 patients. No new treatment is given; the goal is to understand if environ…

This study aims to help adults aged 40 and older in Upper Manhattan get better eye care. It will offer free eye screenings at local health centers and senior centers, and provide support like scheduling appointments and transportation. The goal is to see if this extra help leads …

This study looks at why people with antiphospholipid syndrome (APS) — a condition that raises blood clot risk — may have narrowed brain arteries. Researchers will use advanced MRI scans on 60 APS patients to check for artery narrowing and plaque buildup. The goal is to better und…

This study looks at whether low blood pressure during major noncardiac surgery harms organs like the heart and kidneys. Researchers are using a non-invasive brain monitor to see if a personalized blood pressure target can be set. 650 patients at cardiovascular risk are being obse…

This study looks at how serious combat injuries affect the long-term health of U.S. military members. Researchers will measure heart function, sleep quality, and stress-related body signals in 200 injured service members. The goal is to understand links between injury severity, s…

This study looks at whether special imaging features from scans can help predict serious outcomes like amputation or death in people with peripheral artery disease (PAD) after they have had a procedure to open blocked leg arteries. Researchers will analyze 200 patients' scans to …

This study looks at how newer diabetes medications (SGLT2 inhibitors and GLP-1 receptor agonists) affect the eyes of people with type 2 diabetes. Researchers will monitor 40 adults who take metformin and are starting these newer drugs. The goal is to see if these drugs cause any …

This study collects data from 1,200 patients undergoing surgery for aortic dissection, a life-threatening tear in the heart's main artery. Researchers will track death rates, strokes, and other complications to identify the safest surgical strategies. The goal is to improve outco…

This study follows 500 people with peripheral artery disease (PAD) who undergo a procedure to open blocked leg arteries. Researchers check blood and heart ultrasound before and after the procedure to find hidden heart injury. The goal is to see if certain markers can predict futu…

This study looks at whether a special MRI scan can detect early scarring in the heart muscle of people with leaky heart valves. The goal is to find a way to predict when the heart might start to fail, so doctors can decide on surgery sooner. About 316 adults with moderate to seve…

This study tests whether a swallowable camera capsule, controlled by magnets from outside the body, can safely and effectively examine the stomach and esophagus in 30 people preparing for weight loss surgery. Participants swallow the capsule after fasting, and a surgeon guides it…

This study is looking at whether an artificial intelligence tool can help doctors decide which heart surgery patients might benefit from a drug called ulinastatin. Ulinastatin is used to reduce inflammation after surgery, but it doesn't work for everyone. Researchers will analyze…

This study uses data from over 30,000 Swedish adults to see if using snus (including newer white nicotine pouches) is linked to heart disease, metabolic problems, and poor mental health, independent of smoking. Researchers will compare current, former, and never-users using advan…

This study looks at how high-protein drinks affect certain blood cells (monocytes and platelets) that may play a role in heart disease. Ten healthy adults will drink either a low-protein, high-protein, or leucine-added meal, and researchers will check their blood for changes in c…

This study follows 2000 people who received the AFX2 system, a device to repair abdominal aortic aneurysms. Researchers will track complications like rupture, need for further procedures, and death over 5 to 10 years. The goal is to see how well the device performs in real-world …

This study looks at whether giving a personalized dose of a radioactive tracer (rubidium-82) based on a patient's weight can improve the quality of PET heart scans. Researchers will enroll 48 adults with known or suspected heart disease and divide them into four weight groups. Th…

This study looks at whether blood flow restriction training (using tight bands on the legs during exercise) can improve walking in people who had a stroke at least 6 months ago. 40 participants, aged 40-65 with mild leg stiffness, will do resistance exercises with or without bloo…

This study looks at how a common heart valve procedure called TAVI changes the gut microbiome in older adults with aortic stenosis. Researchers will collect blood and stool samples before and three months after TAVI to measure bacterial byproducts and diversity. The goal is to se…

This study follows 100 people with acute deep vein thrombosis in the leg to see how well their vein valves work one year after a clot removal procedure. Participants receive standard care, including a device to remove the clot and blood-thinning medication. The goal is to learn w…

Most stroke survivors struggle to stay physically active after rehab, raising their risk of another stroke. This study works with survivors, carers, and staff to design a program that supports long-term activity. 34 participants will help shape and test the program.

This study looks at whether giving extra support to community health centers helps them screen patients for non-medical needs like food or housing and refer them to community resources. Twenty health centers will be randomly assigned to get this support or not. The goal is to see…

This study looks at whether MRI or CT should be the first scan for people with suspected acute ischemic stroke. Researchers will track how often doctors follow the assigned scan type and compare outcomes. The goal is to see if a larger study comparing these imaging methods is pos…

This study looks at whether a pre-surgery test called FFR can predict how well arterial bypass grafts work six months after coronary artery bypass grafting (CABG). About 120 patients with multi-vessel heart disease will have an FFR test during their diagnostic angiogram. Six mont…

This study is a large international registry that will collect data from up to 130,000 people who have had a heart attack or unstable chest pain. Researchers will track treatments, outcomes, and safety to understand what works best in real-world care. No new drugs or devices are …

This study looks at 240 adults with liver cirrhosis to learn more about a common complication called portal vein thrombosis (a blood clot in the liver's main vein). Researchers will use ultrasound and CT scans to find clots and track their patterns. The goal is to identify which …

This study tests a small sensor placed in reconstructed tissue after flap surgery. The sensor measures CO2 and temperature continuously for up to 10 days to detect early signs of poor blood flow. If it works, doctors could be alerted sooner and take action to save the tissue. Abo…

This study tests whether adding automatic reminders to echocardiogram (heart ultrasound) reports can increase the number of patients with heart valve disease who see a cardiologist within six months. Researchers will randomly assign 300 patients' reports to receive no prompt, a p…

This study looks at whether adding simple family history questions to a standard bleeding questionnaire can better identify children who truly have mild bleeding disorders. Researchers will review data from 1,000 children seen at a clinic since 2019. The goal is to see if this co…

This study tests a small sensor placed in the muscle of a replanted arm or leg after traumatic amputation. The sensor continuously measures carbon dioxide and temperature to detect blocked blood flow early. If a problem is found, doctors can quickly operate to restore blood flow.…

This study follows over 2,400 adults in Korea who have had their first stroke. Researchers will track their recovery, daily activities, and quality of life for 10 years. The goal is to learn what factors help or hinder long-term recovery after a stroke.

This study was designed to compare a newer pacing method (left bundle branch area pacing) with the standard method (right ventricular pacing) in patients who developed heart block after TAVR valve replacement. The goal was to see which method better preserves heart function and r…

This study looks at 40 people who recently had a heart attack and had one blockage treated. Researchers will use special pressure wires and optical imaging to examine other blockages that were not treated. The goal is to see how many of these leftover blockages are actually dange…

This study is creating a simple test to check if people with Alzheimer's or similar conditions can understand and agree to medical decisions. Researchers will work with 100-150 participants to compare the new test with existing methods and look at brain scans and blood markers. T…

This study aims to find genetic factors that increase the risk of spontaneous coronary artery dissection (SCAD), a rare heart condition where a tear in a blood vessel can cause a heart attack. Researchers will analyze DNA from 100 people who have had SCAD and compare it to people…

This study is a registry that collects safety and performance data on the GORE® VIABAHN® VBX Stent Graft when used in peripheral vessels. It involves 280 adults who need this device to treat peripheral vascular disease. The goal is to see how well the stent graft works and if the…

This study follows 2,600 adults with coronary heart disease and depression who received a stent. Researchers track major heart problems like heart attacks or death over one year to find what predicts these events. The goal is to better understand the link between depression and h…

This study looks at over 1,000 South African children ages 5 to 9 to understand why some develop early signs of high blood pressure and heart problems. Researchers will measure blood pressure, body fat, and fitness, and test blood for early warning markers. The goal is to find wa…

This study tests a new classroom setup where traditional desks are replaced with standing desks, fitballs, and wall boards to get kids moving more. Researchers will track 500 students in Spain to see if this reduces sitting time and improves thinking, fitness, and well-being. The…

This study looks at how social factors like income, education, and lifestyle might influence the risk of a brain aneurysm bursting. Researchers will analyze data from 1,800 patients using artificial intelligence to find patterns. The goal is to improve risk prediction and help pr…

This study was designed to see if a test using acetylcholine could predict whether people with congenital heart disease and high blood pressure in the lungs would develop worsening high blood pressure after surgery to close a heart shunt. The test would have measured how well the…

This study looks at whether a heart valve replacement procedure called TAVI can be safely performed in hospitals that do not have on-site cardiac surgery backup. It involves 657 patients with severe aortic stenosis who are at high risk for surgery. The same experienced doctors pe…

This observational study follows 36 people with neurologic conditions like traumatic brain injury, cerebral palsy, multiple sclerosis, or Alzheimer's who are already receiving intranasal MuSE stem cell or exosome therapy as part of their routine care. Researchers track safety and…

This study tests whether using game-like rewards and personal coaching can encourage older adults to walk more after leaving the hospital. About 350 people aged 50 and older with conditions like high blood pressure or heart failure will wear a Fitbit to track their steps. The goa…

This study was designed to track hidden symptoms like memory or concentration problems in people recovering from a brain bleed (subarachnoid hemorrhage). Researchers planned to follow patients for one year using questionnaires to see how these symptoms affected daily life and ret…

This study compares 120 adults with primary headaches (migraine or tension-type) to healthy individuals. Researchers will measure tenderness in head and neck muscles and general pain sensitivity elsewhere in the body. The goal is to understand how these factors relate to headache…

This study looks at whether a computer model can predict when stents placed in the leg arteries might break or fail. Researchers will follow 30 adults who receive a stent for blocked leg arteries. The goal is to see if the model can help doctors choose the best treatment and avoi…

This study tests whether ultrasound of the lungs and a major vein (vena cava) can accurately measure fluid status in women with mild preeclampsia after they receive spinal anesthesia for delivery. Researchers will compare ultrasound findings to traditional methods in 62 participa…

This study follows 1,000 stroke survivors and their caregivers to understand how social factors and discrimination affect recovery. Researchers will survey participants over time to measure outcomes like quality of life and caregiver strain. The goal is to identify why some group…

This study is looking for the genetic causes of bicuspid aortic valve disease, a common heart condition where the aortic valve has two flaps instead of three. Researchers will analyze DNA from 11,000 participants, including patients and their relatives, to find gene changes linke…

This study examines whether a common gene variation (CYP2C19) influences the long-term risk of serious heart and blood vessel events, such as heart attacks, strokes, and limb problems, in people with vascular disease. Researchers will analyze genetic and health data from 13,000 p…

This study planned to compare virtual clinic visits (using video calls on tablets) with in-person visits for people with vascular diseases. Doctors would classify patients as low, moderate, or high risk for treatment after each visit type. The goal was to see if virtual visits co…