Arterial disorder

This study tests a new laser procedure called Direct Selective Laser Trabeculoplasty (DSLT) in 40 ethnic Chinese patients with glaucoma or high eye pressure. The laser aims to improve fluid drainage in the eye and reduce pressure. Researchers will check if the treatment is safe a…

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 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 whether adding an interleukin-6 receptor inhibitor (a drug that reduces inflammation) to standard emergency stroke treatment helps people recover better after a severe stroke caused by a large blood clot in the front part of the brain. About 692 adults who are el…

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 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 study looks at the long-term safety of relacorilant, a drug for people with Cushing syndrome. It includes 125 adults who previously completed a relacorilant study and may benefit from continued treatment. Researchers will track side effects over time to see if the drug is sa…

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 follows 284 people with blocked leg arteries (peripheral arterial disease) who are treated with a paclitaxel-coated balloon. The balloon is inflated inside the artery to open it and release a drug that helps prevent it from narrowing again. Researchers are tracking saf…

This study follows 250 people with severe aortic stenosis who receive the SAPIEN 3 transcatheter heart valve as part of their standard care. The goal is to see how safe and effective the valve is over the long term in everyday clinical practice. Researchers will track how many pa…

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 looks at whether game-like features and social rewards can help overweight veterans with high blood pressure become more physically active. About 725 veterans will take part in a 9-month program where they either compete or cooperate to increase their daily steps. The …

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

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

This Phase 3 trial tests whether a daily pill called AZD0780 can safely lower LDL (bad) cholesterol in adults with heart disease or at high risk. About 3,100 participants will receive either AZD0780 or a placebo for 52 weeks, and neither they nor their doctors will know which the…

This trial is testing a specially modified stent graft—a small mesh tube—to repair complex aortic aneurysms in people who are too high-risk for open surgery. The graft is adjusted by the physician to keep blood flowing to the kidneys and other vital organs during the procedure. T…

This early study is testing a new device called HyperQure that uses radiofrequency energy to disrupt nerves around the kidney arteries, which may help lower blood pressure. It involves 10 adults with resistant hypertension who are already taking 3 or more blood pressure medicatio…

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 tests whether taking potassium supplements can slow down kidney function loss in people with moderate-to-severe chronic kidney disease (CKD) and high blood pressure. About 532 adults with CKD stage 3b or 4 will receive potassium or a placebo. The goal is to see if pota…

This study tests a program to help control high blood pressure in adults aged 35 and older living in rural Pakistan. The program includes regular blood pressure checks, home health education, and referrals to doctors. Researchers want to see if this approach can be effectively us…

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 phase 2 trial tests an injectable drug called DII235 in 233 adults with high lipoprotein(a), a genetic condition that raises heart disease and stroke risk. Participants have heart disease or type 2 diabetes. The study compares different doses of DII235 against a placebo to s…

This phase 3 trial tests whether ziltivekimab, a drug that targets inflammation, can reduce swelling in the arteries of 40 people with coronary artery disease. Participants receive either the drug or a placebo, and researchers use advanced imaging and blood tests to measure chang…

This study looks at whether opening a completely blocked heart artery with a procedure called PCI, on top of taking standard heart medications, helps people live longer and feel better compared to medications alone. About 2000 adults with stable heart disease and symptoms like ch…

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 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 looks at whether using a CPAP machine during pregnancy can reduce the chance of developing high blood pressure disorders like preeclampsia. About 1,500 pregnant women with mild to moderate sleep apnea will be randomly assigned to use CPAP or not. The goal is to see if …

This study compares two community-based programs designed to reduce heart disease risk factors—like high blood pressure and obesity—in Black women after pregnancy. About 432 Black or African American women who are early in pregnancy and have obesity or high blood pressure will ta…

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 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 study tracks the safety and effectiveness of the GORE® TAG® Thoracic Branch Endoprosthesis, a stent-graft device used to treat aortic arch and descending aorta conditions such as aneurysms, dissections, and transections. Researchers will follow about 155 patients who receive…

This study looks at whether alirocumab, a drug that lowers cholesterol, can reduce the risk of heart attack, stroke, or death in people who have hardened arteries but have never had a heart attack or stroke before. Researchers will analyze data from routine medical care to compar…

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 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 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 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 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 a next-generation heart valve (Navitor) in 333 people with severe aortic stenosis who are too high-risk for open-heart surgery. The goal is to see if the valve is safe and works well at 30 days, focusing on survival and reducing leaks around the valve. The valve …

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 study looks at people with idiopathic intracranial hypertension (IIH), a condition where high pressure inside the skull can damage vision. Researchers will track which patients need a surgical shunt to relieve pressure versus those who improve with weight loss and medication…

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 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 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 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 combining two drugs, droxidopa and pyridostigmine, can improve a sudden drop in blood pressure when standing up (orthostatic hypotension) without making high blood pressure worse when lying down. The trial enrolls people with neurogenic orthostatic hypote…

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 study looks at whether people with an On-X mechanical aortic heart valve can safely take a lower dose of the blood thinner warfarin. The goal is to reduce bleeding complications while still preventing dangerous blood clots. Researchers will follow 510 adults for up to 5 year…

This study looks at whether a special program called Primary Care Connect (PC2) helps cancer survivors who also have conditions like high blood pressure, diabetes, or high cholesterol keep their heart risks under control during cancer treatment. About 266 adults with early-stage …

This study tests a program called MI-CARE, where a pharmacist and a community health worker work together to help people with high blood pressure take their medications as prescribed. The team identifies and addresses personal, social, and cultural barriers to medication adherenc…

This study looks at whether giving an extra balloon inflation after placing a new heart valve (TAVI) helps the valve open more evenly and work better. About 146 people with severe aortic stenosis will be randomly assigned to receive this extra step or not. The goal is to see if i…

This clinical trial tests an implant called PA5108 that is placed inside the eye to lower pressure in adults with open-angle glaucoma or ocular hypertension. The implant is compared to standard latanoprost eye drops. The study aims to find the right dose that is both safe and eff…

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 study follows 300 people who received the GORE TAMBE device to treat complex aortic aneurysms. The goal is to confirm the device works safely and effectively outside of clinical trials. Researchers will track technical success and patient outcomes over 12 months.

This trial looks at the best time to reopen other blocked arteries in people who have just had a major heart attack (STEMI) and have multiple narrowed heart arteries. Participants are randomly assigned to have all blockages fixed right away or in a separate procedure later. A spe…

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 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 early study tests a new stent system designed to treat blockages at artery branch points in the heart. It involves 13 people with heart disease who need a procedure to open these blockages. The main goal is to see if the stent can be safely placed and work as intended.

This study tests a new device called the DurAVR™ THV System, a replacement heart valve placed through a small tube in an artery, for people with severe aortic stenosis (a narrowed heart valve). The trial involves 150 participants and aims to see if the device is safe and works we…

This early study tests a new device called the DurAVR™ heart valve in 15 people aged 65 and older with severe aortic stenosis, a condition where the heart's aortic valve becomes narrowed. The valve is implanted through a catheter (TAVR) without open-heart surgery. The main goals …

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 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 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 tests a smartphone app called Liebria designed to help people manage high blood pressure. 328 adults with high blood pressure used the app at home to track and lower their readings. The goal is to see if the app can help control blood pressure and improve daily life.

This study planned to test whether giving a child their own stored umbilical cord blood is safe for treating perinatal arterial ischemic stroke. It was designed for children aged 6 weeks to 6 years with MRI-confirmed stroke. The trial was withdrawn before enrolling any participan…

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 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 high-intensity statin and a low-dose anti-inflammatory drug (colchicine) can slow the buildup of artery plaque in people with a high genetic risk for heart disease. Researchers will use CT scans to measure changes in plaque over one year. The trial invo…

This trial tests whether a new device called OmniHeart 4.0 can safely support the heart during high-risk angioplasty, compared to the standard ECMO machine. About 254 patients will be randomly assigned to receive either the OmniHeart or ECMO. Researchers will track major heart an…

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 study tests whether Rhopressa eye drops can further lower eye pressure in people with glaucoma or high eye pressure who recently had laser surgery (SLT) in both eyes. About 70 adults will receive either Rhopressa or placebo drops daily for several weeks. The goal is to see i…

This study tests a mobile app called HyperCoach that provides health coaching to help people with high blood pressure manage their condition. Thirty-seven adults with hypertension who are already on medication will use the app to track blood pressure, weight, and steps, and set p…

This study tests a 3-month lifestyle program called the PILI Pasifika Program for Native Hawaiian and Pacific Islander adults who are overweight or have conditions like high blood pressure or diabetes. The program includes group lessons on healthy eating and physical activity, pl…

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 whether giving low-income people with diabetes or hypertension a monthly grocery card ($80 or $120) helps them control their disease and feel less stressed about food. About 4,450 adults in California are taking part. Researchers will check changes in blood su…

This study tests whether a natural supplement called nicotinamide riboside can improve artery stiffness and lower blood pressure in people with moderate to severe chronic kidney disease. About 118 adults aged 35-80 will take either the supplement or a placebo for 3 months. The go…

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 study tests a nurse-led program that uses home monitoring devices to help older adults with conditions like heart failure, diabetes, and depression manage their health after leaving the hospital. The goal is to improve care coordination and reduce hospital readmissions. Abou…

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 compares two types of TAVR devices (self-expanding vs. balloon-expandable) in over 1,100 people with severe aortic stenosis and a small aortic annulus. The goal is to see which device leads to fewer deaths, strokes, or hospitalizations, and which performs better over t…

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 compares two strategies for placing stents in people with multiple blocked heart arteries. One group gets standard guidance using a pressure wire (FFR), while the other also uses an imaging catheter (OCT) to spot unstable plaques. The goal is to see if the combined app…

This study compares two cholesterol-lowering strategies in adults aged 75 and older who have heart or blood vessel disease. One group aims for a very low LDL cholesterol target (below 55 mg/dL) using high-intensity statins, while the other receives standard moderate-intensity sta…

This early-phase study tests a single injection of ART101 in 16 adults with high blood pressure. The goal is to see if it is safe and how it affects blood pressure over 24 weeks. Participants receive either 600 mg or 800 mg of the drug and are closely monitored.

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 eye pressure-lowering medication can slow the progression of severe nearsightedness (high myopia) in adults. Researchers will measure changes in eye length and vision over time. The trial includes 152 participants aged 18 to 65 with worsening high myopia …

This study planned to test a special shockwave device that uses sound waves to crack calcium buildup in leg arteries before placing a stent. The goal was to improve stent fit and long-term blood flow in people with severe peripheral artery disease. However, the trial was withdraw…

This study follows 164 people with abdominal aortic aneurysm who receive the Ankura stent graft system, a device placed inside the aorta to reinforce the weakened area. Researchers will track major complications and treatment success over 12 months. The goal is to see how well th…

This study tests whether nurse-led health coaching can help adults with high blood pressure in Huayuan County, China, better manage their condition. About 78 participants will receive either standard care or additional coaching sessions over six months. The goal is to see if coac…

This study is following 147 people who have a bulge (aneurysm) or tear (dissection) in the main artery of the chest. All participants received the Ankura stent graft, a fabric-covered metal tube placed inside the artery to support it. Researchers are tracking how well the device …

This study looks at whether 10 weeks of regular exercise (on land or in water) can lower blood sugar and blood pressure in people aged 60 and older who have several health conditions like diabetes, high blood pressure, and arthritis. 63 volunteers will be split into two exercise …

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 study tests a new daily pill called QLS1410 in 260 adults whose high blood pressure remains high despite taking two or more medications. Participants will receive either QLS1410 or a placebo for 12 weeks. The main goal is to see if QLS1410 can lower systolic blood pressure m…

This trial tests a 12-month lifestyle medicine program for 1000 adults with obesity and related conditions like diabetes or high blood pressure. Participants get regular visits with a dietitian and a doctor, plus optional behavioral health support. The goal is to see if the progr…

This study looks at different methods to help patients with high cholesterol and heart disease get the right medicines to lower their cholesterol. About 300 adults at high risk will take part. The goal is to see which approach helps more people reach their target LDL cholesterol …

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 tests whether whole-body electromyostimulation (WB-EMS), a technology that stimulates muscles with mild electrical pulses, can lower resting blood pressure and improve other heart risk factors in overweight adults aged 50+ with mild hypertension. Over 12 weeks, 28 part…

This study tests whether a probiotic called Limosilactobacillus fermentum CRL 1446 can improve health in 80 adults with heart disease risk factors like obesity, high blood pressure, and high cholesterol. Participants take either the probiotic or a placebo daily, and researchers m…

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 tests a new eye drop called DE-117B in 345 Chinese adults with open-angle glaucoma or high eye pressure. The goal is to see if it safely lowers eye pressure better than an existing drug. Participants use the drops once daily for at least 4 weeks, with long-term follow-…

This study looks at whether automatically sending home blood pressure readings to doctors and getting automated advice through a patient portal can help people with high blood pressure lower their numbers better than just writing them down. About 1,300 adults with uncontrolled hy…

This study looks at how well new, custom-made and off-the-shelf stent-grafts work for repairing complex aortic aneurysms (bulges in the main artery). About 750 people with aneurysms in the abdomen, chest, or arch will be treated using a less invasive procedure through blood vesse…

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 a nurse-led smoking cessation program with free drugs and follow-up at healthy life centers helps heart patients quit smoking better than just giving them written information. About 221 daily smokers hospitalized for a heart event will be split into two g…

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 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 compares two treatments for complex blockages in the leg's main artery: one avoids stents by using a drug-coated balloon, the other uses a stent. About 120 people with peripheral arterial disease will be randomly assigned to one approach. The goal is to see which keeps…

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 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 looks at whether a procedure called endovascular treatment (EVT) can help people who have had a mild stroke caused by a blocked large artery in the brain. About 300 participants will either receive EVT plus standard medical care or standard care alone. The goal is to s…

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 tests a smartphone app called MED-AD that sends reminders and tracks medication use for people with heart disease, high blood pressure, or high cholesterol. About 1,000 adults in Oman will be randomly assigned to use the app, receive daily text reminders, or get usual …

This study tested whether injections of cells from donated placentas could improve blood flow and help heal foot ulcers in people with diabetes and blocked leg arteries. The trial planned to enroll about 24 adults with hard-to-heal foot sores. However, the study was withdrawn bef…

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 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 tests whether advanced CT imaging can help doctors plan better coronary bypass surgery for 200 people with heart disease. Participants get a CT scan before and after surgery to measure blood flow changes. The goal is to improve surgical decisions and reduce chest pain,…

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 tests a device called Paradise™ that uses ultrasound to calm overactive nerves in the kidneys, which can drive high blood pressure. Researchers will compare the device to a sham (fake) procedure in 154 adults with hypertension who are already taking two blood pressure …

This study is testing a newer version of a heart valve device, called the SAPIEN 3 Ultra, in 200 people with severe aortic stenosis (a narrowed heart valve). The valve is implanted through a tube in an artery, avoiding open-heart surgery. Researchers are checking how well the val…

This study is testing a small mechanical heart valve (15mm) in 20 children who need their aortic valve replaced due to disease or damage. The valve is designed to last and is monitored for safety and function over 5 years. Children will need lifelong blood-thinning medication to …

This study compares taking two blood thinners for just 1 month versus the standard 12 months after getting a heart stent. It involves over 3,700 patients with acute coronary syndrome. The goal is to see if the shorter regimen reduces bleeding risks without increasing heart proble…

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 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 early study is testing a new balloon-expandable heart valve device (TAVI) in 8 people with severe aortic stenosis who are at increased surgical risk. The goal is to see if the device can be safely delivered and perform as intended. Because this is a first-in-human study with…

This study tests whether adding an external support device to vein grafts during heart bypass surgery helps keep them open over time. Researchers will compare patients who receive the support with those who don't, tracking graft function and symptoms like chest pain. The goal is …

This study tests a new drug, Oxacom®, in 200 adults with pulmonary arterial hypertension (PAH), a serious lung condition that makes it hard to breathe. The drug is given in different doses to see if it can lower pressure in the lung's blood vessels better than a placebo. The goal…

This study follows 116 people who received an experimental gene-editing therapy for heart disease or high cholesterol. Researchers will monitor them for 15 years to track any side effects and how well the treatment controls cholesterol levels. The goal is to understand the long-t…

This study tests whether teaching kidney transplant recipients to eat a whole-food plant-based diet can improve their blood pressure, blood sugar, and weight, and reduce hospital visits and infections. About 49 adults who had a kidney transplant in the past 2–12 months and have h…

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 was a very early (Phase 1) study that planned to give a mixture of cold saline, minocycline, and magnesium directly into the brain's arteries right after a stroke procedure to reopen blocked vessels. The goal was to see if this cocktail could safely protect brain tissue and …

This study is a patient registry that follows 300 adults with pulmonary arterial hypertension (PAH) who are starting or recently started Orenitram. Researchers will track how well patients tolerate the drug and how it affects their daily function and symptoms over 78 weeks. The g…

This study tests a special balloon designed to open up hardened leg arteries in people with peripheral artery disease. About 58 participants with moderate to severe calcium buildup will receive the balloon treatment. Researchers will check if the balloon successfully widens the a…

This study tests whether having more frequent checkups with an obstetric provider or a study nurse during the first year after childbirth can help women with high blood pressure or diabetes manage their health better. One hundred women with Medicaid insurance who had these condit…

This study tests whether evogliptin, a drug originally for diabetes, can slow calcium buildup in the aortic valve of people with mild-to-moderate aortic stenosis. About 580 adults will take either the drug or a placebo daily for two years. The main goal is to see if the drug redu…

This study compares two types of TAVI valves (Edwards and CoreValve Evolut) in 102 people with small, failing surgical aortic valves. The goal is to see which valve leads to fewer problems like high pressure or leakage after the procedure. Results could guide doctors in choosing …

This study compares two ways to replace a narrowed heart valve in elderly patients (65+) who have a small valve opening. One method is less invasive (TAVR, through a tube in an artery), the other is open-heart surgery. The goal is to see which approach gives better blood flow and…

This early study tests a new freezing treatment for people who recently had a heart attack or unstable chest pain. The treatment uses a special balloon to freeze high-risk plaque in the heart's arteries that could rupture and cause another heart attack. The goal is to stabilize t…

This study tests whether giving stroke patients extra tests—like checking for hidden heart problems, artery stiffness, and leg circulation—can lower their chance of having another stroke or heart attack. About 600 people in Stockholm will get this expanded check-up and a personal…

This study follows 255 Chinese patients who received the INSPIRIS RESILIA aortic valve to see how safe and well it works over several years. Researchers track problems like valve failure, blood clots, bleeding, and the need for another surgery. The goal is to confirm the valve's …

This study tests a six-month mobile app-based cardiac rehabilitation program for people with coronary heart disease. The goal is to see if using the app at home can improve quality of life, self-care, medication adherence, and mental health. About 126 adults who own a smartphone …

This study tests if a smartphone app called OptiZ can help people with high blood pressure get better control of their condition. Participants use the app to track their blood pressure, medication, and side effects, and share reports with their doctor for personalized dose adjust…

This study tests whether a drug called Angiotensin II can help control blood pressure during liver transplant surgery, reducing the need for other strong blood pressure medicines. It involves 50 adults with severe liver disease who are receiving a liver from a deceased donor. The…

This study looks at whether treating patients at home for conditions like infections, heart failure, diabetes, and COPD can lead to better health outcomes and satisfaction compared to traditional hospital stays. Nearly 10,000 adults will receive hospital-level care at home, inclu…

This study tests whether collecting and re-infusing unwashed shed blood during off-pump coronary artery bypass surgery can reduce the need for donor blood transfusions and lower complications. Fifty adults undergoing this surgery will have their shed blood returned via a special …

This study looks at whether a program that combines remote patient monitoring with care management can help people with uncontrolled hypertension lower their blood pressure. About 130 participants will be followed for up to 24 months. The goal is to see if this approach can be us…

This study compares a paclitaxel-coated balloon (Legflow DCB) to a standard uncoated balloon for treating blocked leg arteries in people with peripheral artery disease. About 150 participants with moderate to severe symptoms will be randomly assigned to one of the two treatments.…

This study tests whether a nurse practitioner-led team can improve care for adults with two or more chronic conditions like heart failure, diabetes, or kidney disease. Participants are randomly assigned to either the nurse-led team or usual care. The team reviews medications to e…

This study looks at whether people with stable ischemic heart disease (but with normal heart pumping function and no ongoing chest pain or arrhythmias) can safely stop taking beta-blockers. About 59 participants will either continue or stop their beta-blocker and be followed for …

This study tests whether giving women a home blood pressure monitor plus regular pharmacist follow-up helps lower blood pressure better than usual care. 368 women with high blood pressure will be randomly assigned to either the home monitoring program or standard care. The pharma…

This study looks at whether a home blood pressure monitoring program helps people with high blood pressure get better control. About 24,000 adults from primary care clinics are taking part. The program includes support and education to help patients measure and manage their blood…

This study looks at whether a cuffless blood pressure monitor (CART BP Pro) can help manage high blood pressure better than usual care in Korean adults whose blood pressure is not well controlled. About 288 participants will either use the device to guide their treatment or recei…

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 …

This study compares a new software tool called FFRangio, which uses 3D X-ray images to assess heart artery blockages, against the standard invasive pressure wire method. About 1,924 adults with coronary artery disease are participating. The goal is to see if the software-guided t…

This study tests whether a comprehensive program of lifestyle changes (diet, exercise, education) plus aggressive cholesterol-lowering drugs, guided by PET heart scans, can reduce heart attacks and deaths better than standard medical care. Over 1,000 adults with suspected or know…

This study compares two treatments for people aged 80 and older who have a completely blocked heart artery: a procedure to open the blockage with a stent (PCI) versus taking medications alone. Researchers want to see which approach leads to fewer major heart problems and a better…

This study looks at whether the drug bevacizumab can help people with a rare condition called hereditary hemorrhagic telangiectasia (HHT) who have severe liver problems leading to high heart output and possible heart failure. Researchers will check heart function before and after…

This study tests whether a web-based program, including activity tracking, blood pressure monitoring, and educational modules, can help people who have had a heart attack avoid future heart problems. About 864 participants will either use the program or receive standard care. Som…

This study compares two types of stents (small mesh tubes) used to open blocked heart arteries in people with severe three-vessel coronary artery disease. About 1,550 participants will receive either the SUPRAFLEX Cruz or SYNERGY stent. The goal is to see which stent is safer and…

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 looks at a special stent (a small mesh tube) coated with the drug everolimus, designed for large coronary arteries. It involves 102 people with coronary artery disease who need a stent. The goal is to see how safe and effective the stent is in everyday medical practice…

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 study tests whether using a person's individual risk of another blood clot or major bleeding can help doctors decide how long they should take blood thinners after a first clot. About 600 adults who had a first deep vein thrombosis or pulmonary embolism will fill out a quest…

This study tests a new way for cancer doctors and primary care doctors to work together to help cancer survivors manage other health problems like high blood pressure, diabetes, and high cholesterol. About 800 adults with certain cancers and at least one of these conditions will …

This study tracks 73 adults with homozygous familial hypercholesterolemia (HoFH), a rare genetic disorder causing extremely high cholesterol and early heart disease. Researchers will compare major cardiovascular events (like heart attacks and strokes) during the first three years…

This study is tracking 400 people with coronary artery disease who received the ihtDEStiny drug-eluting stent during a routine procedure to open blocked heart arteries. Researchers are monitoring how well the stent works over time, including rates of heart attacks, repeat procedu…

This trial tests whether a multi-domain lifestyle program—including diet, exercise, stress management, and tailored medication—can reduce chest pain and improve quality of life in people with coronary microvascular dysfunction (small vessel heart disease). About 120 patients will…

This study is tracking 200 people with blocked leg arteries who are receiving a special balloon coated with the drug paclitaxel (GENOSS PCB). The balloon is inflated inside the artery to open it and release the drug, which helps prevent the artery from narrowing again. Researcher…

This study is testing a device called the E-nside stent graft system in 30 people with thoracoabdominal aortic aneurysms (a bulge in the main artery that runs through the chest and belly). The goal is to see if the device is safe and works well when placed inside the artery to re…

This study tests whether a specially designed app can help women who had high blood pressure or diabetes during pregnancy get the recommended heart check-ups after giving birth. About 400 women from Oslo University Hospital will either use the app or receive standard care. The go…

This study tests a device called Pulse IVL that uses sound waves to break up hard calcium deposits in leg arteries, helping blood flow better in people with peripheral artery disease (PAD). About 115 adults with moderate to severe PAD will receive the treatment. The goal is to se…

This study is testing a special stent graft system designed to treat thoracoabdominal aortic aneurysms, a life-threatening condition where the main artery bulges. The device is placed inside the artery to support the weakened wall and prevent rupture. Researchers are following 15…

This study tests whether taking vitamin K (menaquinone-7) supplements can reduce calcium buildup in heart arteries and improve artery flexibility. Researchers will give 450 adults with early signs of artery calcification either vitamin K or a placebo for a period. The goal is to …

This study compares a balloon coated with sirolimus (a drug) to a standard balloon for opening blocked leg arteries in people with peripheral artery disease. About 1,200 adults will be randomly assigned to one of the two treatments. The main goal is to see if the drug-coated ball…

This phase 3 trial tests whether upadacitinib (Rinvoq) can help people with Takayasu arteritis, a rare disease that inflames large arteries. About 56 adults who have had a recent relapse despite steroids will receive either upadacitinib or a placebo, along with a steroid taper. T…

This trial tests whether trained village health workers, using a smartphone app, can effectively manage high blood pressure in rural Lesotho. About 1,350 participants with either uncontrolled or controlled hypertension will receive either community-based care (medication and moni…

This study compares two newer self-expanding heart valves and a minimalist approach (using only local anesthesia, avoiding extra tubes) against standard care for people with severe aortic valve stenosis. About 836 participants will be randomly assigned to receive either the new v…

This study looks at 1500 people with diabetes who had a heart procedure to open blocked arteries. Researchers are comparing two treatments: a drug-coated balloon and a drug-eluting stent. The goal is to see which one works better over the long term for this specific group of pati…

This study tests a new fixed-dose combination pill containing three blood pressure medicines (telmisartan, amlodipine, and chlorthalidone) against another triple combination (with hydrochlorothiazide instead of chlorthalidone) in elderly patients whose blood pressure is not well …

This study tests a special device that uses radiofrequency energy to calm overactive kidney nerves, which can help lower blood pressure. It is for adults aged 18-65 with uncontrolled high blood pressure and chronic kidney disease who are already on at least two blood pressure med…

This study was designed to test the safety and effectiveness of the Supira System, a temporary heart pump, in patients undergoing high-risk coronary interventions. The device is inserted through a leg artery to help pump blood from the heart to the body during the procedure. Howe…

This study tests whether using 3D simulation before a minimally invasive aortic valve replacement helps doctors place the valve more accurately. It involves 354 adults aged 65 and older with severe aortic regurgitation (a leaky heart valve). Participants are randomly assigned to …

This study is a registry that collects information on the AMDS stent, a device used to treat a life-threatening tear in the aorta (the main artery). The registry includes 301 adults aged 18-80 with acute DeBakey type I aortic dissection or intramural hematoma. The goal is to see …

This study tests a temporary heart pump called the Supira System in 71 people with severe coronary artery disease who need a high-risk procedure to open blocked arteries. The pump supports the heart for up to 4 hours during the procedure to prevent dangerous drops in blood pressu…

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 tests a special plug device to close leaks that can form around surgically implanted heart valves. These leaks can cause serious problems like heart failure or anemia. The procedure is done through a catheter, avoiding the need for another open-heart surgery. The study…

This study tests different strategies to help people from diverse backgrounds monitor their blood pressure at home. About 330 adults with uncontrolled high blood pressure will receive training on using a blood pressure monitor and a mobile app, plus SMS reminders and education. T…

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 phase 3 trial is testing whether a special PET scan using radioactive water ([15-O]-H2O) can accurately detect coronary artery disease. About 215 adults with suspected heart disease will receive the injection at rest and during stress, then compare results to standard tests.…

This study tests whether a new MRI technique, called 5D flow, can measure blood flow and pressure in the heart as accurately as the standard invasive procedure, right-left heart catheterization. People with congenital heart conditions who already need a catheterization will also …

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 trial tests whether improving how clinics measure and record blood pressure, height, and weight can help identify people with undiagnosed hypertension or diabetes. About 800 adults visiting family medicine clinics will be part of a study where some clinics use the FOR-Care m…

This study offers voluntary screening for newborns in North Carolina to detect a wide range of rare health conditions early. Using a small blood sample already collected at birth, the program tests for dozens of disorders, including spinal muscular atrophy, cystic fibrosis, and m…

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 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 tests a new, gentle device called Boppli that continuously measures blood pressure in newborn babies in the NICU. Researchers will compare it to the standard blood pressure cuff to see if it works better at finding high blood pressure. The study includes 30 infants at …

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 people with Long COVID who have new chest pain but no blocked arteries. It tests whether a special heart function test can guide treatment to improve symptoms and quality of life. 108 participants will be randomly assigned to either treatment guided by the tes…

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 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 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 enrolls 800 patients having heart attacks to test an artificial intelligence model that reads standard 12-lead ECGs. The AI aims to detect which artery is blocked and how severely blood flow is reduced, at the moment of a heart catheterization. If accurate, this could …

This study tests whether a special MRI technique called MR elastography can accurately measure high pressure inside the skull without needing a lumbar puncture (spinal tap). Researchers will compare the MRI results with standard tests in 200 people with and without high brain pre…

This study tests whether Withings bathroom scales can accurately measure pulse wave velocity (PWV), a key indicator of vascular stiffness. Researchers will compare readings from the scales with a standard medical device in 176 adults, including those with high blood pressure, sle…

This study will test a telehealth group prenatal care program called Centering HER in 72 low-income, predominantly Black pregnant women in Kansas who are at moderate or high risk for preeclampsia. Participants will receive routine care plus seven doula-led virtual group sessions,…

This study tests whether a music-inspired community campaign, called Music4Health, can help lower blood pressure and improve stroke awareness among 1,412 youth (ages 14-24) and their caregivers (ages 40+) in Nigeria. Participants will take part in listening sessions and activitie…

This study tests a co-created antenatal care program designed for busy urban clinics in Dar es Salaam, Tanzania, where climate risks like heat, flooding, and pollution add to pregnancy challenges. The program includes guidance for pregnant women and their families, provider train…

This study looks at whether helping communities switch to cleaner cookstoves can lower indoor air pollution and prevent high blood pressure. About 1,280 households in Nigeria will take part. Some families get extra support to use the new stoves, while others just receive informat…

This study tests whether using a special heart CT scan to guide intensive treatment can reduce major heart problems like heart attacks and strokes compared to standard care. About 15,000 high-risk adults aged 40-75 in rural China will take part. The goal is to see if this persona…

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 study tests a community-based program called Thriving Hearts across ten North Carolina counties. Pregnant individuals at risk for hypertensive disorders receive a care kit with a home blood pressure monitor and stress management tools, plus extra support from healthcare prov…

This study was designed to see if treating a common stomach bacteria (H. pylori) along with using a stomach acid drug could prevent ulcers caused by low-dose aspirin. It planned to enroll adults with heart or artery disease who needed long-term aspirin therapy. However, the study…

This study tests whether a program using church-based health coaches can help rural Black adults with slightly high blood pressure lower it. Participants from 30 churches in Alabama will get health education and online cooking and exercise classes. Half will also get a health coa…

This study tests whether transcutaneous spinal cord stimulation (TSCS) — a gentle electrical current applied through the skin — can help veterans with chronic spinal cord injury (SCI) better regulate blood pressure during exercise and cold exposure. Participants will receive both…

This study tests whether whole-body aerobic training (like brisk walking) or isolated leg training (with weights) better improves symptoms and quality of life in people with pulmonary arterial hypertension (PAH). About 45 participants with PAH will be assigned to one of the two e…

This study tests whether a non-invasive electrical stimulation device placed on the skin over the spine can help veterans with spinal cord injury improve blood pressure, exercise capacity, and body temperature regulation. Twenty veterans with injuries between the neck and upper b…

This study tests a new exercise program for people with coronary artery disease who have had heart surgery or a stent. The program combines high-intensity interval training with Nordic walking (walking with poles). Researchers want to see if it is safe, enjoyable, and better at i…

This study tests whether a smartphone-based stress management program can help Black men with hypertension lower their blood pressure and feel less stressed. About 135 participants will either use a culturally tailored app (m-CBSMi) or take a standard online stress course. Resear…

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 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 looks at whether progressive muscle relaxation and finger grip exercises can lower stress, anxiety, and fatigue while improving sleep in pregnant women with preeclampsia. About 90 women will be split into three groups: one doing relaxation exercises, one doing finger g…

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 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 tests whether a virtual reality (VR) wellness program can help Black women with high blood pressure reduce stress and improve heart health. Sixty Black women in South Florida will either use a five-week VR program or receive standard educational materials. Researchers …

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 study tests whether 10 weeks of supervised exercise training can improve heart function, oxygen use, and quality of life in people with heart failure and pulmonary hypertension. Forty participants will do three sessions per week at a cardiac rehab clinic. The goal is to see …

This study tests whether exercise delivered through immersive virtual reality can improve physical performance, muscle strength, fatigue, and quality of life in 32 adults with idiopathic pulmonary arterial hypertension. Participants will do virtual reality exercises and be measur…

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 …

This study tests whether a small shot of nitroglycerin under the skin can widen the wrist artery, making it easier for doctors to insert a tube for heart procedures. It involves 1,400 adults with coronary artery disease scheduled for heart catheterization. The goal is to reduce t…

This study tests a recovery program for people who have had coronary artery bypass surgery. The program includes education, activity guidance, and follow-up support from nurses. Researchers want to see if it helps patients feel more confident and recover better compared to standa…

This study is sequencing the genes of 1665 people aged 45 to 65 to learn how genetic changes relate to health, especially heart disease. Participants provide blood samples and undergo heart tests. The goal is to improve methods for interpreting genetic data and understand how res…

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 tests a new imaging device called OCT-NIRAF that takes detailed pictures inside heart arteries during a standard heart procedure. Researchers want to see if the images can predict which plaques (fatty buildups) will grow and become dangerous. Forty adults with heart di…

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…

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 follows 100 adults aged 35-70 with mildly elevated blood pressure to see how their aldosterone hormone system changes over time. Participants will eat special high-salt or low-salt diets for a few days each year to test how their body responds. The goal is to better un…

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 trial investigates whether increasing or decreasing salty food intake for just six days changes how pleasant, desirable, or salty foods taste. Healthy young adults aged 18–35 are randomly assigned to eat more salty foods, fewer salty foods, or stick to their usual diet. Rese…

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

This study at Mayo Clinic looks at how renin, a protein in the blood, changes when patients are on the heart-lung machine during open heart surgery. Researchers want to see if renin levels can help guide treatments for low blood pressure. The study will enroll 100 adults having e…

This study looks at how eating mostly ultra-processed foods (like packaged snacks) compared to less-processed foods (like whole fruits and vegetables) affects blood pressure and other heart health markers. About 79 overweight adults will follow special diets to see the difference…

This observational study follows about 198 patients in Spain who are already taking inclisiran (Leqvio) for high cholesterol linked to heart disease or a genetic condition. Researchers will check if patients reach their LDL cholesterol goals after 6 and 12 months. The goal is to …

This observational study looks at why some untreated coronary artery blockages get worse over time in people who have already had a stent or balloon procedure for heart disease. Researchers will follow 1,400 adults aged 18-80 who are scheduled for a repeat angiogram, tracking the…

This study tested a new MRI method to better predict stroke risk in people with intracranial atherosclerosis, a condition where arteries in the brain become narrowed. Researchers measured how well different parts of the brain responded to changes in blood flow. The goal was to fi…

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 study follows 50 people who previously received an INSPIRIS RESILIA aortic valve and now need a valve-in-valve procedure because their original valve is not working well. Researchers will track complications like death, stroke, bleeding, and valve movement, as well as how we…

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 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 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 long-term study follows over 121,000 female nurses to explore how hormones, diet, lifestyle, and genetics affect the risk of heart disease and stroke. Researchers are analyzing blood samples to create a 'metabolomic risk score' that could help predict coronary heart disease.…

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 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 from Mayo Clinic is testing whether a 12-week progressive barbell strength training program can lower blood pressure and improve cholesterol in 200 sedentary adults. Participants will train three times a week with certified coaches. The goal is to see if this type of e…

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 investigates whether a drug called XBD173, which targets a protein (TSPO) on blood vessel lining cells, can help understand how these cells contribute to pulmonary artery hypertension (PAH). PAH is a rare condition where narrowed lung blood vessels strain the heart. Si…

This study compares two procedures—rotational atherectomy and intravascular lithotripsy—used to treat severe calcium deposits in heart arteries. The goal is to see how each technique affects the tiny blood vessels (microcirculation) of the heart and whether one leads to better lo…

This study looks at whether pausing sedation each day in mechanically ventilated ICU patients can reduce the amount of blood pressure medication they need. Researchers will compare medication doses before and during these daily awakening trials. The goal is to see if this simple …

This pilot study tests whether keeping the lungs gently ventilated during cardiopulmonary bypass (heart-lung machine) reduces lung collapse after heart surgery. Adults having elective coronary artery bypass surgery will be randomly assigned to receive ventilation or not during by…

This study tests a new non-invasive blood pressure (NIBP) measurement method in adults who already have an arterial line in place. The goal is to see how well the cuff-based readings match the direct arterial measurements. Participants must be 18 or older and have an arm or thigh…

This pilot study tests whether a simple 'Talk Test' can safely and effectively prescribe exercise for heart patients recovering at home after bypass surgery or stent placement. Forty participants will be randomly assigned to get exercise instructions based on either the Talk Test…

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 looks at how different levels of pressure from a breathing machine (called PEEP) affect the heart's pumping ability in 28 adults having heart surgery. Doctors will use special imaging and monitors to measure heart function at four different pressure settings. The goal …

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 tests whether combining standard monitoring tools with new light-based sensors can better detect a dangerous narrowing of the aorta in newborns. Infants under one month old with suspected aortic arch obstruction will be monitored using resonance Raman spectroscopy, pul…

This study examines health data from about 800,000 Korean adults to see how often conditions like obesity, type 2 diabetes, heart disease, chronic kidney disease, and fatty liver occur together. Researchers will analyze national survey and insurance records from 2013 to 2023. No …

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 looks at how high blood pressure changes the heart's structure in people who work rotating shifts in the Arctic. Researchers will track 550 workers over a year using heart ultrasounds and blood tests. The goal is to understand why some develop heart failure, not to tes…

This study looks at whether an ultrasound measurement of a large vein near the heart (the inferior vena cava) can predict when a patient's blood pressure will drop dangerously during hip replacement surgery. Researchers will measure this vein's flexibility before cement is used t…

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 observational study tracks 5,000 people taking common blood thinners (like rivaroxaban or apixaban) or antiplatelet drugs (like aspirin). Researchers regularly measure drug levels in the blood to see how they relate to clots or bleeding events. The goal is to find the best d…

This study aimed to see if a personalized exercise app (Gingko Active) could improve physical function in adults aged 45 and older better than a standard exercise booklet. The trial was withdrawn before any participants enrolled, so no results are available. The app was designed …

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 looks at how blood flow in the feet changes during a 12-week heart and blood vessel rehab program for people with narrowed arteries. Researchers will track 80 adults with conditions like peripheral artery disease or coronary artery disease. The goal is to better unders…

This study looks at how a common glaucoma eye drop (latanoprost with preservatives) changes the natural bacteria living on the eye's surface. Researchers will compare the eye bacteria of 45 newly diagnosed glaucoma patients before and after at least 6 months of treatment. The goa…

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 looks at whether telling people they have a high genetic risk for heart disease helps them make healthier choices. About 200 adults without heart disease will be followed for one year. Researchers will compare heart health scores between those who learn their genetic r…

This study collects tissue samples from 1,000 people having heart valve surgery to find genetic causes of calcific aortic valve disease. Researchers will compare normal and diseased tissue to understand why the disease develops. Participants must be at least 20 years old and have…

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 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 at whether using a mobile health app (called Penelope) is a cost-effective way to manage high blood pressure disorders during pregnancy. About 250 pregnant women at risk for conditions like preeclampsia will either use the app or track their health on paper. Rese…

This study looks at whether a new care plan can help more people with pulmonary embolism (a blood clot in the lungs) go home from the emergency room instead of being admitted to the hospital. Researchers are working with 14 hospital ERs in Michigan to track changes in how often l…

This study tests a web-based tool called gp-multitool.de that helps general practitioners follow guidelines for older patients with multiple chronic conditions. About 659 patients from GP practices in Germany are taking part. The tool lets patients fill out questionnaires online …

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 320 people with complex coronary artery disease who need a stent. It compares using a special camera (OCT) versus standard X-ray (angiography) to guide the stent placement. The goal is to see which method leads to better blood flow after the procedure.

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 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 aimed to see if music therapy and mindfulness meditation could help people who had coronary artery bypass surgery improve their blood pressure, heart rate, anxiety, and depression. It planned to enroll 48 adults who had the surgery and were stable. However, the study w…

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 follows 200 adults with high blood pressure and gum disease to see how gum health affects blood pressure and cholesterol levels over 6 to 12 months. Researchers will measure triglycerides and LDL cholesterol to understand the link. The goal is to learn whether treating…

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 looks at 45 people having carotid artery surgery to see if special brain scans can predict improvements in thinking and memory. Researchers will use PET/CT scans to measure inflammation in the brain and MRI to examine plaque in the carotid artery. The goal is to find i…

This study tests whether a tablet-based decision support system helps frontline health workers in India and Nepal provide better antenatal care. About 1,320 pregnant women will take part. The tool guides workers to check blood pressure, blood sugar, urine protein, and hemoglobin,…

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 brothers, sisters, and children of people who have had an abdominal aortic aneurysm are more likely to develop one themselves. Researchers will analyze health records from nearly one million people in Sweden. The goal is to better understand how family…

This study looks at whether two simple, non-invasive tests can predict when a patient's blood pressure will drop dangerously during shoulder surgery performed in the 'beach chair' position (sitting upright). The tests are a finger sensor that measures blood flow and an ultrasound…

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 tests a 10-week educational program called HomeStyles-China, designed to help Chinese American adults improve their diet, increase physical activity, and reduce risk factors for heart disease and diabetes. Researchers will enroll 400 participants and measure changes in…

This study aims to find genetic markers that may increase the risk of a pulmonary embolism (a blood clot in the lung) after hip or knee replacement surgery. Researchers will collect blood samples from 100 adults who have had a clot after such surgery and analyze their DNA. The go…

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 80 women having breast cancer surgery to see if using a mix of two numbing medicines (levobupivacaine and lidocaine) for a nerve block causes more changes in blood pressure and heart rate than using just one (levobupivacaine alone). The goal is to find which a…

This study looks at how a special heart device (BackBeat CNT) affects nerve activity in 15 people with high blood pressure who already have the device implanted. Researchers measure nerve signals and blood pressure with and without the device turned on. The goal is to understand …

This study is closely watching heart and lung changes in extremely low birth weight babies (under 1000 grams) during their first week of life. Researchers want to understand why some preemies develop low blood pressure and related complications. By using standard and new monitori…

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 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 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 looks at whether a special heart scan (CTCA) can help find hidden heart disease in people who come to the hospital with chest pain but are not having a heart attack. About 3,170 adults with slightly elevated troponin levels (a sign of heart stress) will get the scan to…

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 involves 3,600 people who have had a heart stent placed. Researchers want to see if a special cholesterol test (VAP) can help predict when the artery narrows again. Participants provide a blood sample from routine care, and no extra blood draws are needed. The goal is …

This study looks at how certain blood components and heart imaging patterns might help predict the worsening of aortic stenosis, a common heart valve condition in older adults. Researchers will study 65 people with mild or moderate aortic stenosis and compare them to healthy cont…

This study tests whether a Learning Health System (LHS) can improve care for people with high blood pressure, diabetes, and kidney disease in Thai primary care clinics. The LHS uses electronic health records to help healthcare teams identify patients who need more active manageme…

This study follows 770 people who had aortic aneurysm repair using branched stent grafts. Researchers will check kidney function and other organ health over two years to see how different stent designs affect outcomes. The goal is to learn which approaches work best for preservin…

This study looks at whether a coordinated emergency system, like those used for trauma, can help more severe stroke patients get a clot removal procedure called mechanical thrombectomy. Researchers will compare data from before and after the system is put in place across Alabama.…

This study is a large registry that collects medical data and tissue samples from 30,000 people with heart disease and healthy volunteers. Researchers will analyze this information to better understand risk factors, treatments, and outcomes for various heart conditions. The goal …

This study looks at how arm crank exercise (like pedaling with your arms) changes blood flow in people with peripheral artery disease (PAD) compared to healthy adults. Researchers will measure blood vessel function and oxygen levels in the calf before and after exercise. The goal…

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 how exercise affects gut bacteria and blood pressure in African Americans, who face higher rates of hypertension. Researchers will measure changes in blood pressure and gut microbes in 36 sedentary adults aged 30-50. The goal is to understand if exercise impro…

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 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 study is collecting data from 400 people with abdominal aortic aneurysms to improve how doctors predict aneurysm growth. The goal is to create more personalized monitoring plans. Participants will have regular check-ups and imaging tests to track changes over time.

This study looks at how stenting a narrowed aorta (coarctation) changes the heart's workload. Researchers use a special catheter to measure pressure and volume inside the heart before and after stent placement. The goal is to understand if stenting fully improves heart function. …

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 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 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 gathers genetic and health information from over 6,400 people with bicuspid aortic valve, a common heart defect. Researchers aim to find the genes responsible for the condition and why some patients later develop serious aortic disease. No treatment is given; the goal …

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 screened over 16,600 adults aged 45-70 with at least one risk factor (like high blood pressure or smoking) but no known heart disease. Researchers used ultrasound and simple blood and urine tests to find hidden signs of atherosclerosis, pre-diabetes, and kidney disease…

This study follows 200 people who had a heart valve replacement (TAVI) to see how often they experience heart rhythm problems in the weeks after the procedure. Participants wear a portable ECG monitor for up to 4 weeks after leaving the hospital. The goal is to learn how common t…

This study tests whether wearing a portable heart monitor for up to three months before a TAVI procedure can detect silent arrhythmias in people with severe aortic stenosis. The goal is to see if catching these hidden rhythm issues early can lead to treatments that improve outcom…

This study was designed to measure estrogen and testosterone levels in men with liver cirrhosis who also have low blood pressure, compared to those with cirrhosis but normal blood pressure. The goal was to understand why low blood pressure occurs in cirrhosis. However, the study …

This study planned to use a machine learning algorithm to estimate blood potassium levels from a single-lead ECG in hospitalized patients. It was designed as a retrospective analysis of existing data from a home hospital program. However, the study was withdrawn before enrolling …

This study watches 50 people with chronic lymphocytic leukemia (CLL) who are starting a type of drug called a BTK inhibitor. These drugs can cause high blood pressure and irregular heartbeats. Participants will use a wearable device at home to track their heart rhythm and blood p…

This study compares two methods to detect reduced blood flow to the brain during carotid artery surgery: asking awake patients to move their hand versus using a near-infrared spectroscopy (NIRS) headband. The trial involves 160 people with narrowed carotid arteries. The goal is t…

This study was designed to see if breathing in nitric oxide gas could improve blood flow in the lungs of people with a serious pulmonary embolism (a blood clot in the lung). The plan was to measure heart and lung pressures in 20 patients at UCLA. However, the study was withdrawn …

This study aimed to see if a computer could learn to predict how long a patient would stay in a home hospital program. Researchers planned to use data from past patients to train the computer. However, the study was withdrawn before any patients were enrolled, so no results are a…

This study looks at whether adding special blood tests (biomarkers) to the usual heart-lung exam can help doctors pick the right therapy for people with pulmonary hypertension. About 100 adults undergoing a routine heart catheterization will have extra blood samples taken from th…

This study uses painless ultrasound scans to check for hidden bulges (aneurysms) in the belly and behind the knee in 507 people at higher risk, including older women who smoke and men over 65. The goal is to learn how common these bulges are and what risk factors are linked to th…

This study from Mayo Clinic aims to see how common a widened aorta (thoracic aorta dilatation) is among experienced weightlifters over age 35. Researchers will use ultrasound to measure the aorta in 45 participants who have been lifting weights for at least 5 years. The goal is s…

This study is building a large biobank of health information and blood samples from 48,000 people with diabetes in Hong Kong. Researchers will analyze genetic and other markers to find better ways to predict serious complications like kidney failure, heart disease, and stroke. Th…

This study looked back at medical records from 2000 adults hospitalized with a blood clot in the lungs (pulmonary embolism). Researchers collected lab tests and CT scan results to see which patients later had serious problems like death, needing a breathing machine, or emergency …

This study examines the links between sleep bruxism (teeth grinding during sleep) and sleep quality, heart health, thyroid function, and mood. Researchers will give some participants opipramol, a drug that may reduce grinding activity, and monitor them with sleep tests. The goal …

This study reviews medical records of 234 women who had gynecological surgery to see which method of preventing blood clots (like using compression devices or blood thinners) works best and is most cost-effective. Researchers will compare different prevention strategies to find t…

This study looks at whether a special PET scan can help doctors better predict sudden cardiac arrest in people with heart failure and blocked arteries. About 300 participants who already have a defibrillator will be followed to see if heart nerve damage, heart size, or blood mark…

This study looks at 116 adults who had glaucoma stent surgery up to 2 years ago. Researchers use a special eye scan (OCT) to check if the tiny stents are in the right position and how that affects eye pressure. The goal is to learn how often stents are misplaced and whether prope…

This study follows about 800 pregnant women in Somaliland to understand the physical, cultural, and social factors affecting their health during pregnancy, childbirth, and after birth. Researchers will also work with the community to create better contraceptive counseling materia…

This study aimed to see if notifying patients and their primary care doctors about calcium buildup in heart arteries (found on a prior chest CT) would increase the number of people starting cholesterol-lowering statins. It planned to include adults aged 18-84 with moderate to sev…

This study looks at whether artificial intelligence can improve predictions of serious heart events in people with chest pain. Researchers will analyze stress echocardiogram results and routine medical data from about 2,281 adults. No extra visits or tests are needed for particip…

This study tests a new sensor worn on the skin that measures lactate levels without needles. It involves 20 adults recovering from heart bypass or valve surgery. The goal is to see if the sensor works as well as standard blood tests, which could make monitoring more comfortable a…

This study is testing whether women with high-risk pregnancies can be safely monitored from home instead of staying in the hospital. Researchers will check if home monitoring is practical, safe, and costs less, while also improving patients' quality of life. About 250 pregnant wo…

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…

This study follows 500 adults who had a stent placed for heart disease. One month later, researchers check blood samples and use AI to analyze heart images. The goal is to see if leftover risk (inflammation, clotting, or metabolism issues) can predict future heart problems like h…

This study aimed to see if data from Withings devices (like smart scales and blood pressure monitors) could predict uncontrolled high blood pressure. It planned to enroll adults in the U.S. who had used Withings devices for at least two years. The study was withdrawn before any p…

This study follows 99 adults with pancreatic cancer who are having surgery to remove their tumor. Researchers want to see if a narrowed celiac artery (celiac axis stenosis) leads to more complications after the operation. The goal is to better understand this risk so surgeons can…

This long-term study is following over 10,000 healthy adults aged 50-75 to understand how the body's natural regulation of heart rate and blood pressure relates to future heart disease, stroke, and sudden death. Participants undergo non-invasive tests like a special ECG and carot…

This study follows 400 people who had a stent placed in the left main coronary artery. Half get a routine angiogram 6 months later, while the other half have only clinical follow-up. Researchers want to see if the extra imaging reduces the chance of death, heart attack, or stroke…

This study aims to uncover the genetic roots of aortic aneurysms and valve disease by analyzing tissue and blood samples from 3,000 participants. Researchers will look for new disease-causing genes and factors that affect disease severity. The goal is to build a biorepository to …

This study aimed to see if telling surgery patients about their high blood pressure would lead them to get a formal diagnosis. Researchers planned to call 108 patients with elevated readings and follow up six months later. However, the study was withdrawn before enrolling anyone,…

This study follows about 3,000 adults in Port-au-Prince, Haiti, to learn how common heart disease risk factors like high blood pressure, diabetes, and smoking are, and how they lead to heart attacks, strokes, and other heart problems. Researchers will track participants for about…

This study looks at how well surgical and diagnostic techniques work for people with blocked carotid arteries, a major cause of stroke. Researchers will follow 60 patients to see how bypass surgery affects blood flow, thinking skills, and recovery. The goal is to find better ways…

This study aimed to see if telling patients and their doctors about calcium buildup in heart arteries (found on lung cancer scans) would lower the chance of death, heart attack, or stroke. It was designed for adults without known heart disease who had a lung scan showing signific…

This study is testing a new smartphone app called ENHANCe that helps family doctors manage patients with high blood pressure using home blood pressure readings. The app scans home readings and gives the doctor a recommendation on how to adjust treatment. The study will enroll 116…

This study follows 1000 patients who had a standard aortic valve replacement (TAVR) to see how their heart rhythms change over a year. Researchers will track abnormal heartbeats using ECG monitors. The goal is to learn which patients are at risk for rhythm problems and how they r…

This study looks at whether people with pulmonary arterial hypertension (PAH) have changes in thinking skills like memory and attention. Researchers will compare 30 PAH patients to healthy volunteers using computer-based tests. The goal is to better understand how PAH might affec…