Heart failure

This study looks at whether combining a heart procedure called ablation with a 12-week home exercise program can improve how well the body uses oxygen in people with a type of heart failure (HFpEF) and a common heart rhythm problem (atrial fibrillation). About 40 participants wil…

Researchers at the University of South Carolina are testing a program that pairs nurses with community health workers to coach adults who have chronic conditions like diabetes, high blood pressure, heart disease, kidney disease, or a prior stroke. Each patient joins with a carepa…

Researchers compare empagliflozin and dapagliflozin, two similar diabetes drugs, to see which works better at preventing death, heart problems, and kidney damage in adults with type 2 diabetes, heart failure, or chronic kidney disease. The trial uses electronic health records to …

This study tests a new device that creates a small passage in the heart to relieve pressure, without leaving a permanent implant. It is for 350 people with heart failure and reduced pumping ability. The goal is to see if it reduces deaths, need for a heart pump or transplant, and…

This large phase 3 trial is testing whether adding vicadrostat to the existing drug empagliflozin can reduce the risk of heart problems in adults with type 2 diabetes, high blood pressure, and heart disease. About 11,800 participants will take either the combination or a placebo …

This phase 3 trial tests whether maridebart cafraglutide (MariTide) can reduce heart failure events like hospitalizations and urgent visits in people with obesity and a specific type of heart failure (preserved or mildly reduced ejection fraction). About 5,056 participants will r…

Researchers are testing a small implantable device called an atrial shunt in adults with heart failure and reduced ejection fraction. The device creates a passage between the upper chambers of the heart to redirect blood flow and may ease symptoms. The trial compares the shunt pl…

This phase 3 trial is testing whether adding baxdrostat to the standard drug dapagliflozin can better prevent heart failure and cardiovascular death in people with type 2 diabetes who already have heart disease and high blood pressure. About 11,300 participants will receive eithe…

This study compares two approaches for people with permanent atrial fibrillation and heart failure with preserved ejection fraction. One group gets a pacemaker plus a procedure to ablate (destroy) the heart's AV node, while the other group continues with standard heart rate medic…

This Phase 3 trial is testing whether a combination of two drugs, balcinrenone and dapagliflozin, works better than dapagliflozin alone to prevent heart failure events and cardiovascular death. About 4,800 adults with heart failure and moderate-to-severe kidney impairment who rec…

This study tests a device called Barostim that stimulates nerves in the neck to help the heart work better. It involves 2,500 adults with moderate heart failure who still have symptoms despite standard treatments. The goal is to see if the device reduces deaths and hospital stays…

This phase 3 trial investigates whether starting a combination of finerenone and empagliflozin early during a hospital stay for heart failure can improve outcomes compared to usual care. About 1,500 adults hospitalized with heart failure will be enrolled. The study measures effec…

Heart failure is the leading cause of heart-related hospital admissions in Ghana, and many patients return to hospital soon after discharge. This pilot trial tests whether extra counselling from a study doctor, pharmacist, or nurse, plus weekly phone follow-up calls for the first…

This early-stage trial is testing an experimental drug called HJB647 in 12 adults with stable chronic heart failure and reduced pumping ability. The study aims to check the drug's safety and how the body processes it at two different doses. Participants will receive both the drug…

This study tests whether the drug finerenone can reduce hospitalizations and deaths in people with a certain type of heart failure (with preserved or mildly reduced pumping ability). About 5,200 adults who are currently or recently hospitalized for heart failure will receive eith…

This phase 3 trial is testing whether an experimental drug called elecoglipron can reduce serious heart failure events, such as hospitalizations or urgent visits, in adults with heart failure with preserved or mildly reduced ejection fraction. Participants will receive either ele…

This study tests a new heart pump called BrioVAD for people with severe heart failure that doesn't get better with standard treatments. The pump uses magnetic levitation to help the heart pump blood. About 780 adults will get either the BrioVAD or an existing pump to see if the n…

This study tests whether adding daily lung ultrasound and vein pressure checks to standard care can help people with acute heart failure leave the hospital sooner and reduce the chance of coming back. About 500 adults admitted for heart failure will be randomly assigned to either…

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

This study tests two different ways to program an implantable defibrillator (ICD) to stop dangerous fast heartbeats. About 4,000 people with heart disease who need an ICD will be assigned to one of two pacing patterns (burst or ramp) and followed for up to 10 years. The goal is t…

This study compares a newer pacing method (Left Bundle Branch Area Pacing) with the standard cardiac resynchronization therapy for people with heart failure. About 850 adults with moderate to severe heart failure will take part. The goal is to see if the newer method reduces deat…

This Phase 3 study tests whether adding vicadrostat to the standard drug empagliflozin helps adults with chronic heart failure and a weak heart pump (ejection fraction below 40%). About 4200 participants will take either vicadrostat or a placebo, plus empagliflozin, once daily fo…

This trial tests whether a wearable vest that measures lung fluid content can help doctors guide diuretic treatment in patients hospitalized with acute decompensated heart failure. The vest uses remote dielectric sensing to non-invasively estimate fluid levels in the lungs. Resea…

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

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

This study looks at whether people with heart failure caused by a treatable problem, like a blocked artery or a faulty heart valve, can safely wait to start certain heart failure medications after the problem is fixed. About 80 adults whose heart function improved after surgery o…

This phase 2 trial tests whether EDG-15400, an oral drug taken once daily, can safely improve symptoms and heart function in adults with heart failure with preserved ejection fraction (HFpEF). Participants receive either EDG-15400 or a placebo for a period of time, while research…

This study tests whether AI-generated messages can help doctors improve medication plans for adults with heart failure. About 500 patients will have their doctors receive brief suggestions before appointments. The goal is to see if more patients get the right medications within 3…

This study tests a new drug called CK-4021586 (ulacamten) in 60 adults with a type of heart failure where the heart pumps normally but is stiff (HFpEF). Participants take the drug or a placebo for 12 weeks to see if it is safe and how it affects heart function. The goal is to fin…

This study tests a device called Aortix, a small pump placed in the main artery, to help remove excess fluid in people hospitalized with acute heart failure who are not responding well to diuretic medications. About 320 participants will be randomly assigned to receive either the…

This study tests a small sensor implanted in a large vein near the heart to help doctors monitor fluid buildup in people with heart failure. The sensor sends daily readings so treatment can be adjusted early. The trial will compare standard care plus sensor guidance to standard c…

This trial tests whether vericiguat, a drug used for heart failure, can also help preserve brain health in people who have both chronic heart failure and mild-to-moderate cognitive impairment. Participants will receive either vericiguat or standard care for 26 weeks. The study us…

This study is testing a wearable system called Sensinel CPM to see if it can help people with chronic heart failure avoid hospital visits and reduce healthcare costs. About 1200 participants with moderate to severe heart failure will use the device, and their results will be comp…

This study tests an oral drug called levosimendan against a placebo in 540 adults with pulmonary hypertension and a type of heart failure (HFpEF). The main goal is to see if the drug helps people walk farther in six minutes. Participants must be 18-85 years old with specific hear…

This study tests a device that uses radiofrequency energy to treat high blood pressure in the lungs (pulmonary hypertension) in people with heart failure. The goal is to see if it can reduce serious heart events like hospitalizations or death. About 750 adults with stable heart f…

This study tests a new medicine called NNC0487-0111 in about 5,600 people who have both heart failure and obesity. Participants receive either the drug or a placebo as a weekly injection. The goal is to see if the drug reduces the risk of heart failure worsening, hospitalization,…

This study tests whether opening blood vessels (vasodilation) or removing fluid (diuretics) is better for treating sudden fluid buildup in the lungs from heart failure. About 1,100 adults with severe shortness of breath and low oxygen levels will receive one of three treatments i…

This trial investigates whether adding either metolazone or acetazolamide to standard loop diuretics helps adults hospitalized with acute heart failure and fluid overload. Participants are randomly assigned to one of three treatment arms, and the study tracks days alive and out o…

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

This trial is testing whether a higher dose of adenosine, a drug used during cardiac MRI to stress the heart, improves blood flow imaging compared to the standard dose. The study includes 180 adults with suspected or known coronary artery disease or heart failure. By comparing th…

This early trial tests a device that keeps donor hearts cool and oxygenated during transport, instead of the usual ice cooler. The goal is to see if this method is safe and works for heart transplants from both brain-dead and circulatory-death donors. Twenty adult patients awaiti…

This study is testing a pacemaker lead placed in a specific area of the heart called the left bundle branch area. The goal is to see if this placement is safe and helps the heart beat more naturally in people with slow heart rates. About 140 participants will get the lead and be …

This study tests a compact heart-lung machine called Cardiohelp in 50 children with severe heart failure. The device supports the heart for up to 30 days while kids recover or await a transplant. The trial also compares two blood thinners to see which causes fewer bleeding or clo…

This study tests whether starting the drug finerenone early during a hospital stay for acute heart failure can improve outcomes. About 550 adults with heart failure and preserved ejection fraction will receive either finerenone or a placebo. Researchers will track deaths, worseni…

This trial tests whether a 3-month program of virtual visits and remote monitoring can improve recovery in adults recently hospitalized for heart failure. Participants receive either virtual heart failure care or routine care, and researchers track medication optimization, health…

This trial tests a new model of care called PEN-Plus, which brings specialized treatment for severe chronic diseases like diabetes, heart conditions, and sickle cell disease to first-level hospitals in Zambia. The goal is to train local health workers and set up clinics to manage…

This clinical trial is testing an experimental drug called CRD-4730 in people with heart failure with reduced ejection fraction (HFrEF), a condition where the heart's main pumping chamber is weak. The drug works by blocking a protein called CaMKII, which is thought to contribute …

This study tests whether sending doctors a reminder about IV iron guidelines helps heart failure patients with iron deficiency get the recommended treatment. About 3,000 hospitalized adults with heart failure and low iron will be included. Doctors in the intervention group receiv…

This study tests a new medicine called CDR132L in 200 people with a type of heart failure where the heart is stiff and thickened. The goal is to see if it can improve heart structure and function. Participants will receive either the study drug or a placebo by chance, and the stu…

This trial is testing whether sacubitril/valsartan, a newer heart failure medication, can improve heart function and reduce harmful heart remodeling better than the older drug ramipril. The study enrolls adults with ischemic heart failure (caused by reduced blood flow to the hear…

This study tests a device that automatically measures foot swelling in people with chronic heart failure. The device sends alerts to healthcare teams if swelling increases, which could signal worsening heart failure. About 1,500 participants will use the device at home for at lea…

This study compares a newer pacing method (HIS or left bundle branch pacing) to the standard biventricular pacing in 1100 heart failure patients across Nordic countries. The goal is to see if the new approach reduces death or unplanned heart failure hospitalizations. Participants…

This study tests a device called Heartfelt that sits in your home and uses 3D images to detect early signs of fluid buildup in the legs and feet, a common problem in heart failure. About 300 people with heart failure and leg swelling will either get the device plus standard care,…

This study tests whether lumacaftor, a drug used for cystic fibrosis, can improve blood flow to the brain and thinking abilities in people with stable heart failure and reduced pumping function. About 60 participants will receive either lumacaftor or a placebo for one month. The …

This study tests whether giving a diuretic (furosemide) to reduce fluid buildup can better protect the kidneys from contrast dye damage compared to standard IV fluids. It involves 190 adults hospitalized with acute heart failure and moderate kidney problems who need a CT scan. Re…

This study tests whether a personalized, high-rate fluid removal strategy guided by ultrasound is as safe and effective as the standard rate for patients with advanced kidney disease hospitalized due to severe fluid overload. Participants are randomly assigned to receive either a…

This study tests whether an electronic alert in a patient's medical record can prompt doctors to prescribe guideline-recommended heart failure medications that are not yet being used. The trial includes 5,000 adults with heart failure and a reduced ejection fraction (≤40%) seen a…

This study tests two simple tools to improve medication use in people with heart failure with reduced ejection fraction (HFrEF). One tool is a short animated video and checklist sent to patients before a clinic visit to encourage them to discuss their medications. The other is an…

This phase 3 trial tests whether finerenone, a non-steroidal mineralocorticoid receptor antagonist, can reduce cardiovascular death and heart failure events in patients with heart failure and reduced ejection fraction who cannot tolerate or are not eligible for standard steroidal…

This phase 2 trial tests whether an investigational drug called activin ligand-trap, combined with exercise training, can improve exercise capacity and cognitive function in 48 adults with heart failure with preserved ejection fraction (HFpEF). Participants will receive either th…

This study compares two implantable heart devices—Cardiac Contractility Modulation (CCM) and Cardiac Resynchronization Therapy (CRT)—in people with Chagas heart disease and advanced heart failure. The goal is to see which device better improves quality of life and heart function.…

This study looks at whether cancer survivors who had heart problems from their cancer treatment can safely stop taking heart failure medications once their heart function is back to normal. About 335 adults who have finished cancer therapy and are on heart medications will be ran…

This observational study follows up to 2,000 adults with ATTR-CM, a serious heart condition, who are starting treatment with acoramidis as part of their normal care. Researchers will track patient characteristics, how the drug is used, and its effects on heart function and qualit…

This study tests whether using portable air cleaners at home after a heart failure hospital stay can improve heart health. About 400 adults will receive either a real air cleaner or a fake one. Researchers will measure changes in a heart stress marker and track hospital readmissi…

This trial tests whether a structured physical rehabilitation and exercise program can help older adults (age 60+) who have been hospitalized for heart failure with preserved ejection fraction (HFpEF). Participants will receive a progressive, multi-domain rehab intervention after…

This study looks at whether a hybrid care pathway that includes home telemonitoring helps people with heart failure spend more days at home and out of the hospital. Participants measure their weight, blood pressure, heart rate, and symptoms daily, sending the data to a medical ce…

This study tests whether a pacemaker plus a heart ablation procedure is better than standard medications for controlling heart rate in 600 people with both atrial fibrillation and heart failure. Participants will either get a pacemaker implant and ablation, or continue with optim…

This study tests whether a digital support program (called DEEPER) helps heart patients maintain their health after completing cardiac rehab. About 306 adults with heart disease or heart failure will be split into two groups: one gets standard follow-up care, the other gets stand…

This study tests whether a small wireless sensor placed in the pulmonary artery can help doctors better manage medications for people with heart failure and a leaky mitral valve. The sensor constantly measures pressure inside the heart, giving doctors real-time data to adjust tre…

This study tests the long-term safety of finerenone, a medicine that may help the heart pump better by reducing inflammation and scarring. It is for children from birth to 18 years old with heart failure and a weak left ventricle. All participants will take finerenone along with …

This study tests a device called Barostim that is implanted in the body to stimulate blood pressure sensors, which may help the heart work better. It involves 58 adults with heart failure who are already on the best available medications. The goal is to see if the device improves…

This study tests whether a drug called enavogliflozin can prevent major heart problems or worsening heart failure in people who have had a heart valve replacement (TAVR) and still have heart failure. About 1,040 participants will receive either the drug or a placebo, in addition …

This study tests whether personalized support from a sport and health professional after cardiac rehabilitation helps heart failure patients maintain their physical activity levels. 90 participants will be followed for 12 months, with activity measured by a step counter. The goal…

This trial investigates whether people with heart failure and a traditional right ventricular pacemaker feel better and have stronger hearts after switching to a more natural pacing method, such as His bundle or biventricular pacing. Participants will have their pacemaker upgrade…

This study tests whether giving two inhaled drugs (milrinone and epoprostenol) before heart-lung bypass can prevent difficult separation from the machine. About 141 adults having heart surgery will be randomly assigned to receive the drug combo or a placebo. The goal is to see if…

This study compares a remote monitoring system called HeartLogic to standard in-person follow-up for people with heart failure who have a special defibrillator. About 578 adults will be randomly assigned to either get alerts from the device that prompt early check-ins or to conti…

This study compares weight loss using semaglutide (a drug) versus a calorie-restricted diet in 100 people with obesity and heart failure with reduced ejection fraction. The goal is to see which approach better improves peak oxygen uptake, a measure of exercise capacity, after 52 …

This study is testing a new device called the BrioVAD, a mechanical heart pump for people with severe, advanced heart failure that doesn't get better with standard treatments. The goal is to see if the pump is safe and helps people live longer and feel better. About 60 adults wit…

This study looks at whether people with acute heart failure can be safely followed up at home using digital tools instead of going to the hospital. About 450 patients will be randomly assigned to either in-person hospital visits or remote digital check-ups. The goal is to see if …

This study looks at whether the diabetes drug dapagliflozin can improve how well the right side of the heart works after off-pump coronary bypass surgery. Researchers will measure heart function in 72 patients with weak hearts before and after 6 months of taking the drug. The goa…

This study tests whether empagliflozin, a diabetes drug, can prevent death, new dialysis, or lasting kidney damage in people with cardiorenal syndrome type 1—a condition where heart failure suddenly worsens kidney function. About 200 hospitalized adults will receive either empagl…

This phase 3 study tests whether finerenone, a drug that blocks inflammation and scarring in the heart, can improve heart function in children aged 6 months to 18 years with heart failure and left ventricular systolic dysfunction. About 111 participants will receive either finere…

This study is testing whether an implantable defibrillator (ICD) helps people with a certain type of heart failure (non-ischemic cardiomyopathy) live longer. About 2,500 participants will be randomly assigned to receive an ICD or not, and their survival will be tracked for up to …

This study tests whether a mechanical heart pump (HeartMate 3) can help people with advanced heart failure live longer and avoid serious complications like stroke or the need for a heart transplant. About 850 participants will either receive the pump or continue standard medical …

This study is tracking the safety and effectiveness of a small device called the Occlutech Atrial Flow Regulator in 150 people with chronic heart failure. The device is implanted to create a small opening between the upper chambers of the heart, which may help reduce pressure and…

This study tests a new device called the Icoms FlowMaker, designed to help the heart pump more blood in people with severe heart failure. Ten patients who are too sick for standard treatments will receive the implant. The main goal is to see if the device is safe and works well f…

This study is testing whether potassium nitrate, alone or combined with two supplements (propionyl-L-carnitine and nicotinamide riboside), can improve exercise endurance in people with a type of heart failure called HFpEF. About 53 participants will take these agents and undergo …

This study looks at whether adding a low dose of digoxin to usual heart failure treatments helps people feel better and live well after a recent hospital visit for worsening heart failure. About 120 adults with weak heart pumping function will take digoxin or continue their curre…

This study compares two different drugs, vicadrostat and spironolactone, both taken with empagliflozin, to see how they affect kidney function and protein levels in blood and urine. The trial involves 100 adults with chronic kidney disease and heart disease or heart failure. Part…

This study compares two breathing support methods—high-flow nasal cannula (HFNC) and non-invasive ventilation (NIV)—in heart failure patients after their breathing tube is removed. The goal is to see which method better prevents the need for re-insertion of the breathing tube or …

This study tests whether a carefully controlled high-fat diet can improve heart function in people with a specific type of heart failure (non-ischemic dilated cardiomyopathy). Researchers believe that switching the heart's fuel source back to fats may help it pump more effectivel…

This study tests whether taking selenium and coenzyme Q10 (CoQ10) supplements can reduce heart failure-related hospital visits and deaths. About 1,100 adults with chronic heart failure will receive either the supplements or a placebo alongside their usual care. The goal is to see…

This study tests whether a preventive heart ablation procedure, done soon after implanting a defibrillator (ICD), can reduce dangerous heart rhythms in people with heart failure and weak heart muscle. About 62 high-risk adults will be randomly assigned to either receive the ablat…

This study tests a new device called the SATURN system, which is implanted through a tube in a blood vessel to replace a leaky mitral heart valve. It is for people aged 65 and older with severe symptoms who are not good candidates for open-heart surgery. The goal is to see if the…

This study tests whether telemedicine follow-up helps doctors adjust heart failure medications more effectively than standard in-person visits. Eighty adults with newly diagnosed heart failure with reduced ejection fraction will be randomly assigned to either remote monitoring or…

This study tests whether adding empagliflozin (a diabetes drug) to standard carvedilol treatment can prevent liver decompensation events and death in 400 adults with cirrhosis and left ventricular diastolic dysfunction (stiff heart). Participants will receive either empagliflozin…

This study tests a drug called inclisiran in children aged 6 to 12 who have a genetic condition that causes very high cholesterol. The drug is given as a shot under the skin and aims to lower 'bad' LDL cholesterol. The trial compares inclisiran to a placebo for one year, then eve…

This study compares a newer pacing method called conduction system pacing (CSP) with the standard biventricular pacing (BiVP) in heart failure patients who already have a right ventricular pacemaker and need an upgrade. Researchers want to see if CSP is as good as BiVP at improvi…

This study tests a new heart pacing method (LOT-CRT) against the standard one (BiVP) in 86 heart failure patients with a specific type of heart block. The goal is to see if the new method better preserves heart pumping function. Participants will be followed for at least 6 months…

This study tests whether enavogliflozin, a drug originally for diabetes, can prevent atrial fibrillation (AF) from returning after a catheter ablation procedure in people with AF and heart failure. About 390 adults will receive either the drug or a placebo daily for a year. The m…

This Phase 3 trial tests whether injecting lab-grown heart muscle cells (HiCM-188) into the heart during bypass surgery can help people with severe heart failure (NYHA class III-IV). Eighty participants will receive either the stem cells plus bypass or bypass alone. The main goal…

This study compares two common heart procedures—bypass surgery (CABG) and stenting (PCI)—in 358 people with weak hearts (ejection fraction 40% or less) and multiple blocked arteries. The goal is to see which approach leads to better survival, fewer heart attacks or strokes, and i…

This study tests a small implantable sensor that monitors pressure in the lung artery for patients with severe tricuspid regurgitation and heart failure. The sensor is placed before a minimally invasive valve repair, and pressure readings are tracked for a year. The goal is to se…

This study tests whether a mechanical heart pump (LVAD) works better than standard medications for people with end-stage heart failure who are not yet bedridden. About 92 participants will either receive the pump or continue their current drug therapy. The goal is to see which ap…

This study looks at whether people hospitalized for acute heart failure can safely drink as much as they want instead of limiting fluids. About 420 participants will be randomly assigned to either a strict 1.5 liters per day limit or a thirst-driven liberal intake. Researchers wi…

This study tests whether replacing unhealthy gut bacteria with healthy donor bacteria (via capsules) is safe and doable for people with chronic heart failure. About 40 adults with stable heart failure will take the capsules and be monitored for side effects and adherence. The goa…

This study is testing whether valsartan, a drug already used for high blood pressure, can help people with pulmonary arterial hypertension (PAH). Researchers will give 60 adults either valsartan or a placebo for 24 weeks to see if it improves how far they can walk in six minutes …

This study tests a program called FamLit, where nurses use simple language to coach heart failure patients and their care partners on working together to overcome barriers to taking medications as prescribed. The goal is to improve medication adherence, reduce hospitalizations, a…

This study looks at whether a procedure called catheter ablation (using heat or cold to fix faulty heart signals) is better than standard medications for people with both atrial fibrillation and heart failure. About 1,200 adults will be randomly assigned to receive either ablatio…

This study tests whether a digital remote-management platform can help doctors better adjust heart failure medications after patients leave the hospital. About 252 adults with heart failure and reduced pumping function will use the platform to report symptoms and vital signs, wit…

This study is testing a new type of heart pacing lead that is placed in the left bundle branch area, a key part of the heart's electrical system. The goal is to see if this approach is safe and works better than standard pacing for people with bradycardia (slow heart rate) or hea…

This study is a large registry that will follow 5,500 people with heart failure who receive a CCM device, which sends mild electrical signals to the heart to help it pump better. Researchers want to see if the therapy reduces hospital stays and heart-related emergencies over time…

This study tests whether taking a daily selenium supplement (200 micrograms) can reduce hospitalizations and heart-related deaths in people with heart failure. Selenium is a nutrient important for heart health, and low levels are common in Northern Europe. The trial will include …

This study tests whether a procedure to open narrowed kidney arteries (renal artery stenting) helps high-risk patients with resistant high blood pressure, declining kidney function, or heart failure. About 80 participants will either receive the real procedure or a sham procedure…

This study tests whether colchicine, a common anti-inflammatory drug, can help people with chronic heart muscle inflammation (inflammatory cardiomyopathy). About 80 adults with this condition will receive either colchicine or a placebo to see if it prevents worsening heart failur…

This study tests whether a virtual ward—using a tablet, scale, and blood pressure monitor at home—can reduce hospital readmissions for heart failure patients. 346 adults who were recently hospitalized for heart failure will either receive the virtual ward or standard care. Resear…

This study tests whether using urine sodium levels to adjust diuretic doses helps people with acute heart failure recover faster and live longer. About 556 adults hospitalized with acute heart failure will receive either standard care or a tailored diuretic plan. The goal is to s…

This study looks at whether people whose heart failure has improved can safely cut back on some of their daily medications. Participants will either continue all four standard drugs or gradually reduce to just two under close monitoring. The goal is to see if heart function stays…

This study tests whether a daily tablet called sotagliflozin can improve quality of life for people with both type 1 diabetes and heart failure. Researchers will give 320 participants either the drug or a placebo for 4 months, then compare symptoms like breathlessness and tiredne…

This study compares two types of heart pacing—conduction system pacing and standard biventricular resynchronization—in 320 adults with heart failure and wide QRS. The goal is to see which method better reduces the risk of death, heart transplant, or hospitalization for heart fail…

This study tests a new remote monitoring system called SmartSignalHF in 1132 adults with heart failure who have an implanted heart device (ICD or CRT-D). The goal is to see if this system can reduce deaths and hospital stays over 12 months compared to standard care. Participants …

This study tests whether measuring sodium in urine can help doctors adjust diuretic doses more accurately for people with chronic heart failure. About 300 participants will be assigned to either a urine-guided approach or standard care. The goal is to reduce congestion and hospit…

This study looks at heart failure patients whose heart function has improved to normal levels. It tests whether gradually stopping one of their heart medications (RAS blocker or beta blocker) is safe, compared to staying on all medications. The goal is to see if patients can main…

This study is testing whether people aged 70 and older with heart failure and a weak heart pump live just as long with only medication as they do with an implanted defibrillator (ICD). The trial will randomly assign 730 participants to receive either an ICD plus medication or med…

This study looks at whether a special heart device called cardiac contractility modulation (CCM) can help people with heart failure live longer and avoid hospital stays. About 4,200 people with advanced heart failure will either get the device or standard care. The goal is to see…

This study tests a new approach using a wearable device called ReDS to monitor fluid levels in adults hospitalized for heart failure. The goal is to see if this method reduces the risk of death, readmission, or urgent visits within a month after discharge. About 1,014 participant…

This study tests a device that keeps donor hearts functioning outside the body without stopping blood flow. It aims to safely use hearts from extended-criteria donors (e.g., older or with other health issues) for transplant. Sixty adult heart transplant recipients will receive a …

This study tests a special scale that measures heart signals and fluid levels in people on peritoneal dialysis for kidney failure. The goal is to see if the scale can warn patients and doctors early when fluid overload is about to happen, so they can take action before an emergen…

This trial tests whether doing a coronary angiogram (a special X-ray of the heart arteries) within 2 hours of diagnosis is better than waiting until the patient's heart failure symptoms improve. The study includes 780 adults with a type of heart attack called NSTEMI who also have…

This pilot study tests whether an implanted heart pressure monitor (CardioMEMS) can help prevent complications in 40 patients who survived cardiogenic shock. Participants will have the device implanted and receive regular pressure checks and medication adjustments. The goal is to…

This study tests whether a one-year program led by heart failure nurses, using online training and a mobile app, can reduce repeat hospital stays and improve quality of life for people with heart failure. About 200 adults who were recently hospitalized for worsening heart failure…

This study tests a procedure that uses a catheter to treat a nerve in the body, aiming to improve symptoms in people with a type of heart failure called HFpEF. About 150 participants will be enrolled to see if the procedure is safe and effective. The goal is to help patients feel…

This study compares two ways of placing a pacemaker lead in people who need frequent pacing. One method (left bundle branch pacing) aims to activate the heart more naturally than the standard method. The goal is to see if it reduces the time the heart spends in fast, irregular rh…

This study tests a potential new medicine called CDR132L in 200 people with heart failure and an enlarged heart. Participants receive either CDR132L or a placebo by IV every 4 weeks for 48 weeks. The goal is to see if the drug can improve heart structure and function.

This study tests whether a home-based cardiac rehabilitation program using wearable devices and remote monitoring can improve exercise capacity in adults with chronic heart failure. Researchers will compare the home program to standard in-hospital rehab. The goal is to see if the…

This study looks at whether a procedure to repair a leaky tricuspid heart valve can improve kidney function, reduce swelling, and boost physical activity in older adults. Researchers will follow 100 participants for changes in kidney health, walking ability, and daily function. T…

This study tests whether a potassium-lowering drug called sodium zirconium cyclosilicate (Lokelma) can help elderly patients with heart failure and chronic kidney disease safely take higher doses of RAASi medications, which are often limited by high potassium levels. The trial wi…

This pilot study tests whether the drug eplerenone is safe and feasible for people with both heart failure (reduced pumping ability) and severe chronic kidney disease. Previous studies excluded such patients due to risks like high potassium. The trial will enroll 40 participants …

This phase 3 trial tests whether the drug dapagliflozin (Farxiga) can reduce deaths and heart or kidney problems in people leaving the intensive care unit (ICU). About 600 adults who needed a breathing machine or blood pressure support will take either the drug or a placebo daily…

This study tests whether heart failure patients who fully recover after treatment for a fast heart rhythm (like atrial fibrillation) can safely stop their heart failure medications. 348 participants will be randomly assigned to either gradually stop their drugs or continue them a…

This study aims to find out which type of specialist pacemaker works best for people with heart failure and a delay in how the heart's lower chambers beat together. Sixty participants will be randomly assigned to one of three pacing methods and followed for six months. Researcher…

This study looks at whether a special type of pacemaker, called cardiac resynchronization therapy (CRT), can help people with heart failure who develop a heart block after having their aortic valve replaced. The trial will include 360 adults who have a new, persistent heart block…

This early-stage trial tests a patch made from stem cells that is implanted onto the heart to help it pump better. It is for people with severe heart failure who cannot have a heart transplant. The study will check if the patch is safe and if it improves heart function and sympto…

This study tests a device called the Revivent System, which places small implants on the outside of the heart to reshape it and improve its pumping ability. About 135 people with heart failure and a damaged left ventricle will be randomly assigned to get the device plus standard …

This study tests whether using a simple bedside ultrasound to measure fluid levels can help doctors give the right amount of medication to heart failure patients. The goal is to reduce hospital readmissions within 30 days and prevent kidney damage. About 588 adults hospitalized w…

This study tests whether a structured telemedicine program before heart surgery can reduce complications in people with heart failure. The program includes education, medication adjustments, remote monitoring, and supervised exercise. Researchers will compare outcomes like death,…

This study tests whether empagliflozin, a drug already used for diabetes, can help people hospitalized with acute heart failure. About 444 adults will receive either the drug or a placebo to see if it reduces deaths, hospital readmissions, and other serious events within 90 days.…

This study tests a program that uses an AI chatbot, health coach, and home monitoring devices to help 300 adults with heart disease, diabetes, or kidney disease manage their conditions. The goal is to see if this approach reduces hospital visits, complications, and deaths over 6 …

This study looks at whether the drug vericiguat can help repair the hearts of adults with stable heart failure with reduced ejection fraction (HFrEF). Researchers will compare people taking vericiguat plus standard care to those on standard care alone, measuring changes in heart …

This study compares a new type of heart pacing (His-bundle pacing) to standard pacing in 120 adults with heart failure and right bundle-branch block. The goal is to see if the new method better improves the heart's pumping ability over 6 months. Participants will receive one of t…

This phase 2 trial tests whether spironolactone, a potassium-sparing diuretic, can slow the deterioration of the right ventricle and reduce arrhythmias in people with arrhythmogenic right ventricular dysplasia (ARVD). About 120 participants will receive either spironolactone or a…

This study tests a new wireless system that helps the heart beat in sync for people with heart failure. About 40 participants will get a special pacemaker and a wireless receiver to improve heart function without traditional wires. The goal is to see if the device is safe and can…

This pilot study is testing a new procedure called electroporation ablation (using the FARAPULSE system) to treat atrial fibrillation in 200 people who also have heart failure with preserved ejection fraction. Half will get the procedure, half will get standard medical care. The …

This study compares a new pacing method (left bundle branch pacing) with a standard pacemaker-defibrillator in 30 people who have hypertrophic cardiomyopathy and a specific heart block after myectomy surgery. The goal is to see if the new method better prevents heart failure wors…

This study tests a pharmacy-led program for low-income patients with multiple chronic conditions like diabetes, heart disease, and depression. After leaving the hospital, participants get their medications with no copay, delivery to their bedside and home, and help from a pharmac…

This pilot trial tests whether a patient's own stem cells can help the heart muscle recover in people with advanced chronic heart failure who already have a mechanical heart pump (LVAD). Ten patients will receive their own CD34+ stem cells injected into a heart artery. Researcher…

This study is testing two different procedures—AF catheter ablation and AV node ablation—in 70 people who have heart failure, atrial fibrillation, and a CRT device that isn't pacing enough. The goal is to see which procedure better improves heart function and quality of life afte…

This study tests whether hearts from donors with hepatitis C can be safely transplanted into people without the virus. Participants will receive antiviral medication after transplant to clear the infection. The goal is to expand the donor pool and reduce wait times for heart tran…

This study tests whether people with heart failure whose heart function has returned to normal can safely stop taking beta-blockers. About 1,300 participants will either gradually stop their beta-blockers or continue them as usual. The goal is to see if stopping the drug leads to…

This study tests a small, wearable patch that measures heart function from outside the body in people with heart failure (NYHA class II or higher). The goal is to see if remote monitoring can help doctors adjust medications in time to prevent hospitalizations. The patch is low-co…

This study tests a telemedicine-based care model for heart failure patients who are frequently readmitted to hospital and cannot join standard rehab. Researchers will provide on-demand video and chat support from cardiologists to general practitioners and community health workers…

This study tests a device called the eLym System that drains excess fluid from the lymphatic system to treat congestion in people hospitalized with acute decompensated heart failure. The device is placed temporarily for up to 60 hours in a heart catheterization lab. Researchers a…

This study tests a personalized smoking cessation program for smokers admitted to the hospital with heart or lung disease. Participants receive tailored medication, counseling, and text message support to help them quit and stay smoke-free. The goal is to see if this approach lea…

This study tests if adding the drug landiolol to the fluid that protects the heart during mitral valve surgery can reduce a serious complication called low cardiac output syndrome, where the heart struggles to pump enough blood after surgery. About 1500 adults having elective mit…

This study is testing a small device called the MiniLung petite kit, which helps oxygenate blood and remove carbon dioxide in newborns and children weighing 2 to 8 kilograms who have severe breathing or heart failure. The device works with a console to temporarily take over the w…

This study tests a special pacing technique called high-intensity his bundle pacing in 34 adults with heart failure and a narrow QRS pattern on their ECG. Standard pacing doesn't help these patients, but this new approach may improve heart function and quality of life. Participan…

This study tests whether dapagliflozin, a drug already used for diabetes and heart failure, can help the heart heal better after a heart attack. About 450 adults who have had a heart attack and have weak heart pumping will receive either the drug or a placebo for 6 months. The go…

This study tests whether briefly inflating a blood pressure cuff on the arm before a heart procedure can protect the kidneys and heart in people with congestive heart failure. About 240 participants will be randomly assigned to receive either the real cuff inflations or a sham ve…

This study looks at 100 people with heart failure who need a special pacemaker. Doctors want to see if a heart ultrasound before the procedure can predict which pacing method—left bundle branch pacing or standard biventricular pacing—works better. The goal is to improve how well …

This study tests whether using telemedicine (video or phone check-ins) can help doctors better adjust heart failure medications after patients leave the hospital. About 140 adults with heart failure and reduced pumping ability will be split into two groups: one gets usual care, t…

This study tests if a single low-dose radiation treatment to the whole heart can improve heart function in people with advanced heart failure. About 40 adults with severe heart failure who are not eligible for a heart transplant will receive this treatment. The goal is to see if …

This Phase 3 trial tests the Reprieve System, a bedside device that automatically adjusts diuretic and saline infusion based on a patient's urine output, to treat acute decompensated heart failure. Researchers will compare it to standard diuretic therapy in 400 hospitalized adult…

This study tests whether a six-month program of supervised exercise, heart risk management, and online support can improve heart and lung fitness in young cancer survivors (ages 18-45) who have mild heart dysfunction. About 336 participants across Canada will be randomly assigned…

This study tests whether a newer, two-step hybrid ablation procedure works better than standard catheter ablation for people with persistent atrial fibrillation (a type of irregular heartbeat) and heart failure. About 120 participants will be randomly assigned to one of the two p…

This study tests whether Yangxinshi tablets can improve outcomes for people with coronary heart disease and heart dysfunction. About 2,700 participants aged 40-80 will receive the tablet or a placebo. The goal is to see if the tablets reduce serious heart events like death, strok…

This study will compare two groups of people with chronic heart failure: those who receive the Cordella PA Sensor System (an implanted device that monitors pressure in the lung artery) and those who get standard medication alone. Researchers will track about 2,150 participants fo…

This study tests whether using a special heart monitor (pulmonary artery catheter) early in the hospital can lower the risk of death for people in cardiogenic shock caused by heart failure. About 400 adults with severe heart failure and shock will be randomly assigned to get eith…

This study tests a program called Transition to Cardiac Rehabilitation (T2CR) for Veterans with heart disease who also have other health problems or frailty. The program starts in the hospital and continues at home, helping patients build skills and motivation to do cardiac rehab…

This study tests whether a daily oral iron supplement (sucrosomial iron with vitamin C) can improve exercise ability and quality of life in people with chronic heart failure and iron deficiency. About 60 participants will receive either the iron supplement or a placebo for 24 wee…

This study compares two common heart failure medications, carvedilol and metoprolol succinate, in 2,000 adults who have an implantable cardioverter defibrillator (ICD). Participants currently taking metoprolol will be randomly assigned to either stay on it or switch to carvedilol…

This trial tests whether a quick, painless electrical test called bioimpedance analysis (BIA) can help doctors better manage fluid levels in patients hospitalized with worsening heart failure. 255 participants will be randomly assigned to receive either BIA-guided treatment or st…

This study tests whether a newer pacing method called left bundle branch pacing (LBBP) works better than the standard biventricular pacing for people with chronic heart failure and reduced pumping ability. About 60 adults with heart failure and a specific electrical delay in the …

This study tests a temporary heart pump called iVAC 2L in 100 patients undergoing high-risk angioplasty. The pump helps stabilize blood flow during the procedure. Researchers will track deaths, heart attacks, strokes, and other complications for up to a year to see if the device …

Researchers are testing a noninvasive wearable sensor patch that uses near-infrared light to continuously measure tissue oxygen and blood flow in people hospitalized with cardiogenic shock after a heart attack or heart failure. Up to 20 adults in a cardiac intensive care unit wea…

This study will test new ultrasound techniques, combined with artificial intelligence, to more accurately measure heart filling pressure in patients who have both heart failure and atrial fibrillation. Current methods are unreliable for these patients, making diagnosis and treatm…

This study will check how well a heart surgeon's visual estimate of the heart's pumping ability matches the more precise measurement from an ultrasound (TEE) during open-heart surgery. About 70 adults having planned heart surgery with a heart-lung machine will take part. The goal…

This study tests whether a cardiac imaging technique called a PYP scan can detect transthyretin amyloidosis in people aged 65 and older who have heart failure with preserved ejection fraction, also known as diastolic heart failure. The researchers will scan 515 participants to se…

This study tests whether a new radioactive dye, 68Ga-FAPI, can spot active scarring in the heart muscle using PET-MR scans. Researchers will scan about 290 people with various heart muscle conditions, such as heart failure with preserved ejection fraction, hypertrophic cardiomyop…

This trial tests whether a machine-learning algorithm can detect atrial fibrillation (AF) early by analyzing pulse wave signals from a wearable sensor. The study involves 200 adults with heart failure, comparing the algorithm's readings against standard ECG results. If it works, …

This study investigates whether a portable, AI-assisted ultrasound device can accurately measure heart function in patients aged 75 and older hospitalized with heart failure. Geriatricians, after a one-day training, use the AI tool to assess the heart's pumping ability, and resul…

This study tests whether an artificial intelligence system called Willem™ can help primary care doctors detect heart failure more accurately by analyzing electrocardiograms (ECGs). About 1,968 adults with suspected heart failure or high cardiovascular risk will be randomly assign…

This study is testing a cloud-based artificial intelligence platform called Willem that analyzes ECG recordings to detect heart rhythm problems and abnormal patterns. Researchers will compare the AI's readings to those of board-certified cardiologists in over 5,300 high-risk card…

This trial investigates whether adding a simple blood test (NT-proBNP) and a quick heart ultrasound (POCUS) to standard care helps doctors diagnose heart failure more accurately in people aged 50 and older. Participants are randomly assigned to receive standard care alone or with…

This study looks at whether blood clots in the lungs (pulmonary embolism) are often missed in people hospitalized with acute heart failure. About 740 patients across multiple hospitals will take part. In half the hospitals, doctors will follow their usual approach; in the other h…

This trial evaluates a new device called CardioStory that uses fiber-optic sensors to measure heart filling pressure in about two minutes—without needles or catheters. Researchers are enrolling 850 adults who come to the emergency department with recent shortness of breath. The g…

This study tests whether a device called FibroScan, which measures liver stiffness, can quickly diagnose acute heart failure in people who come to the emergency room with shortness of breath. Researchers will enroll 100 adults and compare the FibroScan results with standard tests…

This study is testing whether a digital stethoscope, combined with artificial intelligence, can detect two serious conditions: high blood pressure in the lungs (pulmonary hypertension) and a weak heart pump (low ejection fraction). About 3,850 adults will have their heart sounds …

This study tests a wearable ring that measures blood pressure, comparing it to the standard 24-hour monitor in 100 people with heart failure and reduced pumping ability. The goal is to see if the ring is accurate and easy to use. If successful, it could make blood pressure tracki…

This study tests whether an AI program can help emergency doctors find undiagnosed heart failure, COPD, and cancer by analyzing chest X-rays. Researchers will compare diagnosis rates when doctors have access to the AI's findings versus when they don't. The trial involves 17,000 a…

This study tests an artificial intelligence program that analyzes heart rhythm data from a small, wearable patch to estimate how well the heart pumps blood. Researchers will compare the AI's results to standard ultrasound in 2,000 adults. If accurate, this could offer a simpler, …

This study is testing whether artificial intelligence can spot early signs of worsening heart failure by analyzing changes in a patient's voice, cough, and breathing sounds. Researchers will enroll 250 adults with chronic heart failure to record sounds and compare them with stand…

This pilot study explores whether data from the HeartMate 3 heart pump can be used to monitor heart function without invasive tests or frequent imaging. Researchers will compare high-resolution pump data with standard echocardiograms and ECGs in 60 patients with end-stage heart f…

This study is testing a new smartphone-connected 12-lead ECG device to see if it can accurately diagnose heart attacks (STEMI and NSTEMI) in people with chest pain. Researchers will compare the smartphone ECG readings to standard hospital ECGs in 1000 adults. The goal is to valid…

This study will enroll 5,000 adults across five hospitals in Taiwan to see if an artificial intelligence program can accurately detect low heart pumping function and structural heart disease using a single-lead ECG recorded from devices like an Apple Watch. Participants will have…

This study tests whether artificial intelligence (AI) can analyze routine heart tests (ECGs) to find hidden heart problems like weak heart muscle, valve issues, or high lung pressure. About 590 adults without a prior heart disease diagnosis will have ECGs taken with standard mach…

This study tests a new PET imaging method that uses a special tracer called XTR003 along with FDG to see which parts of the heart are still alive in people with heart failure from blocked arteries. About 40 to 60 participants will be randomly assigned to receive either the new fa…

This study tests whether inhaling a special form of xenon gas during an MRI can help doctors see and measure blood vessel changes in the lungs of people with pulmonary arterial hypertension (PAH). The goal is to find a non-invasive way to diagnose different types of PAH and track…

This study trains non-expert staff in GP practices to perform quick heart ultrasounds on people 65 and older. The goal is to find hidden heart valve disease or heart failure early, especially in diverse communities. Researchers hope this approach can reduce emergency hospital vis…

This study tests whether ultrasound contrast agents (microbubbles) can estimate pressure inside the heart, potentially replacing invasive catheters. Ten adults with suspected heart disease will receive a standard ultrasound with contrast while also having a catheter for compariso…

This study will give heart ultrasounds to 1050 nursing home residents to see if catching heart problems early reduces flare-ups and unplanned hospital stays. Researchers will also check if the scans are practical and affordable for nursing homes. The goal is to improve heart care…

This study looks at whether molecules in saliva can help doctors quickly tell if heart failure is getting worse. Researchers will collect saliva and blood samples from 90 adults with stable or worsening heart failure. The goal is to develop a simple, non-invasive test that could …

This study tests whether artificial intelligence can help guide heart ultrasounds in rural and remote Australia, where access to expert imaging is limited. Over 600 adults with heart risk factors or symptoms will receive either AI-guided or standard echocardiography. The goal is …

This study tests a portable device that uses electrical signals to detect early fluid buildup in the lungs of heart failure patients. The goal is to see if it works as well as standard imaging methods like ultrasound. If successful, this device could help patients manage their co…

This trial tests whether a single polypill combining three medications—finerenone, empagliflozin, and losartan—can help prevent heart failure and maintain exercise capacity in people with type 2 diabetes who are at high risk. Participants will take either the polypill or the same…

Heart failure often goes undiagnosed because its early symptoms—like fatigue and shortness of breath—are mistaken for normal aging. This study tests whether a three-part strategy can change that: raising awareness among patients and doctors, using a blood test (NT-proBNP) to spot…

This study tests a new way to screen for heart failure risk in people with type 2 diabetes. Doctors use a blood test (NT-proBNP) and a risk score to identify high-risk patients, then offer early prevention treatments. About 300 patients are taking part. The goal is to see if this…

This study tests whether the drug dexrazoxane can prevent heart damage caused by chemotherapy in people with diffuse large B-cell lymphoma (DLBCL). About 324 patients will receive either standard treatment plus dexrazoxane or standard treatment alone. The goal is to see if dexraz…

This study tests whether dapagliflozin, a drug used for diabetes and heart failure, can prevent heart damage caused by a common type of chemotherapy (anthracyclines) in breast cancer patients. One hundred women will receive either dapagliflozin or a placebo daily during their che…

This study tests an injectable drug called HRS-9057 in 153 adults hospitalized with heart failure who have fluid retention. The main goal is to see if the drug reduces weight (a sign of fluid loss) by day 8 compared to a placebo. Researchers will also check safety and whether pat…

This study tests a flexible palliative care program for people with advanced heart failure or certain cancers. The program adds more team members—like a social worker or nurse—as symptoms get worse. The goal is to improve quality of life and match care to each person's changing n…

Researchers are testing whether a yoga-based cardiac rehabilitation programme works as well as a health education programme for people recovering from heart failure. The trial enrolls adults with heart failure and reduced ejection fraction who are well enough to attend hospital-b…

Researchers are testing whether a pacing technique called left bundle branch area pacing, guided by detailed imaging and electrical data, can improve outcomes for people with heart failure and left bundle branch block. The trial enrolls 100 adults with non-ischemic cardiomyopathy…

This study looks at whether doing simple breathing exercises every day before a heart transplant can help patients breathe, cough, and swallow better after surgery. About 90 adults waiting for a heart transplant will take part. They will do daily breathing exercises and have thei…

Researchers are tracking 500 people with heart failure and reduced ejection fraction who received the Barostim Neo device, which stimulates nerves near the carotid artery to calm the body's stress response. The registry follows participants for six months to see whether the devic…

Researchers are testing a device called the Pedal Pump, which pumps both feet for 10 minutes to mobilize the body and improve lymphatic flow. The trial enrolls 30 hospitalized patients with lower extremity edema caused by heart failure, chronic venous insufficiency, kidney diseas…

This early-stage trial is testing a new drug called NNC0537-1482 in 36 adults with heart failure. The main goal is to check if the drug is safe and how the body handles it. Participants will receive either the drug or a placebo by injection, and neither they nor the doctors will …

This study tests a new exercise approach for people aged 60 and older who have both atrial fibrillation (an irregular heartbeat) and a type of heart failure called HFpEF. Instead of starting with aerobic exercise like walking, participants will first do 2 months of progressive re…

This study tests a 10-session program called ViCCY for caregivers of heart failure patients who also have mild to moderate memory problems. About 256 caregivers and 60 patients will take part. The goal is to see if the program improves caregivers' mental health and reduces stress…

This study tests a mobile app called Blueprint that teaches coping skills to people who survived a serious illness in the ICU. Many survivors face anxiety, depression, and PTSD, but mental health care is hard to access. The app aims to help them manage these symptoms on their own…

This study tests whether a supervised cardiac rehabilitation program is feasible and beneficial for people with cardiac amyloidosis, a condition where abnormal protein builds up in the heart. Participants attend three one-hour exercise sessions per week for 12 weeks. The study me…

This study tests a new care model called TIER-HF-PC, which matches heart failure patients to one of three levels of palliative support based on their needs. Researchers want to see if this approach improves quality of life for both patients and their caregivers compared to usual …

This study looks at the best way to give the water-removing medicine furosemide to people hospitalized with acute heart failure and too much fluid in the body. About 436 adults will be randomly assigned to receive the medicine either as a slow continuous infusion or as several in…

This study tests a wearable suit called AquaPass that removes excess fluid through sweat in people with chronic heart failure and fluid overload. Participants wear the suit for up to 5 hours in a hospital or clinic, alongside their usual medications. The goal is to see if the sui…

This study looks at whether giving intravenous iron (Ferinject) to heart failure patients with low iron can improve their quality of life and walking ability. About 100 hospitalized adults with a specific type of heart failure (HFpEF) will receive either iron infusions plus diet …

This study tests whether a mobile-based telemedicine program—using phone calls and text messages for health education, medication reminders, and lifestyle advice—can improve quality of life in adults with chronic heart failure. About 70 patients in Ethiopia will be split into two…

This study tests a new approach for people with worsening heart failure who have too much fluid in their body. Instead of going to the hospital for IV treatment, patients get a water pill (furosemide) as a shot under the skin at home. The study will enroll 100 adults with heart f…

This study tests whether three 15-minute hypnosis sessions can help people with persistent breathlessness from cancer, COPD, interstitial lung disease, or chronic heart failure feel more in control of their breathing. Researchers will measure changes using a standard questionnair…

This study tests whether increasing the pacemaker rate during light exercise can lower pressure inside the heart for people with heart failure with preserved ejection fraction (HFpEF). Twenty participants will have their heart pressures measured at rest and while cycling, as the …

This study tests a 6-week online support programme called HELP for carers of people with heart failure. Around 180 carers and 180 patients will take part across three UK sites. The programme includes weekly online group sessions led by heart failure nurses, plus an educational bo…

This study tests whether special breathing exercises can improve breathing muscle strength in people hospitalized for heart failure. About 30 adults will either do breathing exercises with resistance or without. The goal is to see if this safe, simple training helps them feel bet…

This study is testing a new group exercise program combined with remote activity monitoring for older adults with heart failure with preserved ejection fraction (HFpEF). The goal is to see if this approach can improve exercise habits, physical function, and quality of life. About…

This study is testing a new online resource called Choice-ICD for people who have or are getting an implantable cardioverter defibrillator (ICD). The app includes videos, quizzes, and a forum to help patients and their families understand the device and live better with it. About…

This study tests whether blocking signals from the splanchnic nerve can reduce congestion and improve exercise ability in people with heart failure. About 54 adults with heart failure and reduced pumping function will receive either a nerve-blocking procedure or a sham procedure.…

This study tests whether a daily capsule of potassium nitrate (KNO3) can improve leg muscle power and overall exercise capacity in people with heart failure. 75 adults with reduced heart function will take either KNO3 or a placebo for 6 weeks. Researchers will measure changes in …

This study looks at whether placing stents in blocked heart arteries can improve quality of life for people with heart failure with preserved ejection fraction (HFpEF), a condition where the heart muscle is stiff. About 350 participants will be randomly assigned to receive either…

This study tests whether adjusting a pacemaker's lower heart rate to an individual's optimal level can improve symptoms and quality of life in people with heart failure and bradycardia. Researchers will compare this personalized approach to the standard fixed rate of 60 beats per…

This study looks at whether removing fluid from around the lungs (a procedure called thoracentesis) can reduce shortness of breath in people hospitalized for heart failure. About 216 adults will either get standard heart failure medicines alone or medicines plus the fluid removal…

This study looks at whether giving a special ketone drink through a feeding tube is safe and practical for people with severe heart failure. The goal is to see if it can help the heart use energy better. The study involves 12 participants with very weak hearts who are in the hosp…

This study tests whether empagliflozin (a diabetes drug) and potassium nitrate (a supplement) can improve exercise endurance in people with heart failure with preserved ejection fraction (HFpEF). About 53 participants will take one of three combinations of these drugs for a perio…

This study tests whether adjusting the dose of a diuretic (water pill) based on urine sodium levels can improve outcomes for people hospitalized with acute heart failure. Researchers will compare two urine sodium targets against standard care in 600 adults. The goal is to see if …

This study tests whether using lung ultrasound to guide fluid removal in adults hospitalized for acute heart failure leads to better outcomes than standard physical exams. Researchers will compare how long patients stay alive and out of the hospital over 40 days, as well as sympt…

This study tests whether a 12-week chair yoga program is practical and helpful for 20 heart failure patients aged 55 and older living in rural Alabama. Researchers will work with patients and community members to design the program and measure changes in thinking skills and quali…

This study tests whether high-flow oxygen therapy can improve heart function in people with chronic heart failure who have recently had heart surgery. Researchers will compare it to non-invasive ventilation (a breathing machine) in 30 adults. The goal is to see if the oxygen ther…

This study tests an 8-week hybrid exercise program for people with HIV who are at risk for heart failure. Participants attend one supervised session at a center and do two unsupervised home workouts each week, plus receive education and coaching. The goal is to see if this approa…

This international study tests whether a smartphone game called Heart Farming can help inactive heart failure patients sit less and move more. 750 participants will either get standard activity advice or the game, which rewards walking with virtual farm products. The goal is to s…

This study is testing whether using mobile health apps and receiving tailored text messages can help people with chronic heart failure take better care of themselves and avoid hospital stays. Researchers will enroll 360 adults with Stage C heart failure and randomly assign them t…

This study tests whether a sensor-controlled digital game can motivate adults with heart failure to regularly check their weight and stay active. About 200 participants will either get the game plus sensors or just the sensors alone. The goal is to see if the game helps people st…

This study looks at whether a 12-week structured exercise program can improve heart and muscle health in breast cancer survivors aged 60 and older who had chemotherapy. Sixty participants will be randomly assigned to either supervised exercise training or a yoga and stretching pr…

This study looks at whether listening to music during a special exercise test can improve how well the heart and lungs work in people with heart failure. About 40 adults with heart failure will take part. Researchers will measure things like oxygen use and breathing to see if mus…

This study tests whether combining cognitive training (brain games) with physical exercise can improve thinking, memory, and brain blood flow in people with chronic heart failure. Researchers will enroll 216 men and women aged 50 and older with stable heart failure. Participants …

This study tests a 6-week WeChat-based program called SOCIAL_HF for elderly heart failure patients who feel socially frail. Participants join weekly video chats, do group tasks, and track daily health. The goal is to see if this online support improves social connections, self-ca…

This study tests a 12-week telephone program where veterans with heart failure work with a nurse to solve problems related to their health. The goal is to improve self-care, reduce symptoms, and support mental well-being. Researchers will follow 100 veterans from across the U.S. …

This study tests whether a tailored, home-based exercise program (with or without weight loss medications) can improve exercise capacity and quality of life in 120 adults with heart failure with preserved ejection fraction (HFpEF). Participants will follow exercise videos and mee…

This study tests whether a 12-week smartphone-assisted cardiac rehabilitation program, guided by a case manager, can improve exercise ability and daily life in 150 adults with stable heart failure. Participants will be randomly assigned to the smartphone program or usual care. Th…

This study tests if a home-based exercise program, guided by a smartphone and activity tracker, can help people who just got a mechanical heart pump (LVAD) become more active and improve their quality of life. About 100 adults with a new HeartMate 3 LVAD will either follow the ex…

This study tracks over 16,000 teens and adults with severe asthma to see if the drug tezepelumab raises the risk of serious heart problems like heart attack, stroke, or heart-related death. Researchers will compare those taking tezepelumab to those on standard asthma treatments. …

This study is testing a new way to measure liver function in adults who have had the Fontan procedure, a surgery for certain heart defects. Researchers will use a dual cholate clearance test (a special blood test) and a heart MRI to see how well the liver is working. They will co…

This study follows 400 adults diagnosed with pulmonary embolism (a blood clot in the lungs) at a Swedish hospital. Researchers will repeatedly check heart tests and blood markers during the first 48 hours to see if early changes can better predict who will worsen. The goal is to …

Researchers at Sahlgrenska University Hospital in Sweden are observing 200 adults hospitalized for a severe COPD flare-up to see how often the condition triggers a temporary heart muscle weakness called Takotsubo stunning. They will use echocardiograms to check heart function at …

This study is observing 900 adults in Greece who have both chronic obstructive pulmonary disease (COPD) and at least one heart condition. Researchers will track their health for two years, recording lung flare-ups, heart complications, hospital visits, and quality of life. The go…

Researchers are studying people with arrhythmia-induced cardiomyopathy, a condition where a fast or irregular heartbeat weakens the heart muscle. The study checks whether these patients carry more harmful gene variants than people with other types of cardiomyopathy or the general…

This study aims to develop and test new MRI methods for imaging the heart and blood vessels to improve diagnosis and management of heart disease. It will enroll up to 3,400 adults, including both patients with heart conditions and healthy volunteers. Participants will undergo MRI…

Some cancer drugs cause rare but serious heart and metabolic problems. This study follows 5,000 cancer patients across several French hospitals who receive a dedicated heart checkup and ongoing follow-up through cardio-oncology programs. Researchers track how many patients benefi…

This study is observing 4,500 people who need pacemakers or similar heart devices. The goal is to create a tool that predicts who is at risk of developing a weakened heart from the device itself. By identifying high-risk patients early, doctors can choose better pacing methods to…

This study will observe 253 adults with heart rhythm problems who are scheduled for procedures like pacemakers or ablation. Researchers will use advanced imaging and AI tools to understand why some patients respond well to treatment while others do not. The goal is to find better…

This study is a registry that will follow about 320 heart failure patients who receive the WiSE System, a device that helps the heart pump better. Researchers will watch for serious side effects within 30 days and check how well the device improves heart function and symptoms ove…

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

This registry is collecting information from 35,000 adults with type 2 diabetes, high blood pressure, heart failure, and/or chronic kidney disease. Researchers want to see how these conditions are managed in everyday medical practice, what treatments people receive, and how often…

This study aims to develop better MRI methods for imaging the heart and brain, and to describe heart diseases using these new techniques. It will also investigate whether gadolinium, a common MRI contrast agent, stays in the body long after use. Up to 5,000 healthy volunteers and…

This study looks at why some people with heart failure don't get rid of excess fluid with standard water pills (diuretics). Researchers will test adding two other types of diuretics—bendroflumethiazide and amiloride—to see if they improve the body's response. Fifty adults with he…

This study will screen 3,000 adults with heart disease (coronary artery disease, atrial fibrillation, or heart failure) to see how many also have COPD, a serious lung condition. Doctors and patients will receive education on managing both heart and lung problems together. The goa…

This study looks at whether a person's genetic makeup can predict how well they respond to the heart failure drug metoprolol. Researchers will give the drug to 100 people with heart failure and track their heart function and drug levels. The goal is to see if a genetic score can …

This study is observing 3000 adults with various types of heart failure to learn how the disease develops and progresses. Researchers will collect medical records, blood samples, and imaging data to identify distinct patient groups. The goal is to match the right treatments to th…

This study looks at data from over 6,000 Brazilian patients with heart failure, kidney disease, diabetes, or high blood pressure to understand how common high potassium levels (hyperkalemia) are and how doctors manage it. By analyzing medical records, researchers hope to identify…

This study is looking at tiny molecules called microRNAs in the blood of children who have had a heart transplant. The goal is to find patterns that can predict which children are at risk for infection or rejection of the new heart. By understanding these patterns, doctors hope t…

This study is collecting blood and other samples from 5,000 children and young adults (under 21) who are already taking certain medications as part of their regular care. The goal is to understand how these drugs move through and affect children's bodies, so doctors can prescribe…

This pilot study investigates whether empagliflozin, a diabetes drug, can improve microcirculation—the function of tiny blood vessels—in patients with cardiogenic shock, a condition where the heart fails to pump enough blood. Researchers will use a video microscope to measure mic…

This study monitors how long Medtronic heart devices (like pacemakers) last and how often they have problems. It includes up to 20,000 people who have or will get one of these devices. The goal is to collect real-world data to improve future device safety and performance.

This study compares two ultrasound techniques—2D and 3D speckle-tracking echocardiography—to see which measures heart muscle contraction more accurately in people with heart failure and reduced pumping function. Researchers will enroll 419 patients from seven cardiac rehabilitati…

This study is a large registry that will follow about 1,700 people with obstructive hypertrophic cardiomyopathy in the US and Europe. Researchers will track how patients respond to mavacamten or other standard treatments in real-world settings, focusing on safety and effectivenes…

This study looks at whether liver function and blood clotting tests can help doctors better understand and monitor cardiac transthyretin amyloidosis (ATTR-CA), a condition where abnormal protein builds up in the heart. Researchers will compare these tests in people with ATTR-CA a…

This study will enroll 5,000 adults with chronic heart conditions like heart failure, high blood pressure, or aortic stenosis. Participants will wear a Prolaio digital health patch that monitors heart rate, breathing, and other vital signs. The goal is to observe how these condit…

This study is looking for tiny molecules in the blood called microRNAs that can help doctors tell if a heart transplant patient's immune system is too active (causing rejection) or too weak (causing infection). Researchers will follow 250 adult heart transplant recipients for one…

This study aims to understand why some people with heart failure respond well to standard guideline-directed medical therapy while others do not. By analyzing genetic data and biomarkers from a large biobank of 5,000 patients, researchers hope to identify predictors of treatment …

This study is looking at whether detailed heart imaging can help predict heart problems in people with liver cirrhosis who undergo a procedure called TIPSS, which creates a shunt to relieve pressure in the liver. Participants will have heart MRIs and echocardiograms before, short…

This study looks at 130 adults with heart failure who were part of a telemonitoring program but later left it because they no longer met eligibility rules. Researchers will track their health for one year, checking for hospital visits, heart-related deaths, and changes in heart s…

This observational study will follow 600 adults hospitalized with acute heart failure or cardiogenic shock. Researchers will collect information from routine care, plus extra blood and urine samples, to see if they can better identify different types of shock and predict who is a…

This study tests a clinical decision support tool that helps doctors decide when to refer heart failure patients to palliative care. The tool uses a risk model to predict one-year survival and provides guidance at the point of care. Researchers will enroll 2,260 participants, inc…

This study looks at 350 adults hospitalized for acute heart failure. Researchers want to see if combining a lung ultrasound score with a blood lactate test at discharge can better predict who will be readmitted or die within 30 days. The goal is to improve risk assessment beyond …

This study looks at why some people with severe heart failure (called HFrEF) see their heart function improve after standard medical therapy, while others do not. Researchers will collect blood samples and imaging data from 1,740 patients in China and follow them for 12 months. T…

This study investigates whether clonal hematopoiesis of indeterminate potential (CHIP)—a condition where blood cells carry certain mutations—plays a role in heart failure. Researchers will examine 300 adults with acute or chronic heart failure to see how common CHIP is and how it…

This study tests whether ultrasound scans can detect leftover fluid in the lungs and veins of people hospitalized for heart failure. About 580 adults will get scans at several points during their stay, but doctors won't see the results. Researchers will then track who is readmitt…

This observational study will track 300 adults with advanced heart failure to see how well they follow a four-medication treatment plan. Researchers will also measure quality of life using standard questionnaires. The goal is to understand real-world adherence and identify areas …

This study will see if an Apple Watch can help predict when heart failure gets worse. Researchers will compare data from the watch with standard tests in 360 adults with heart failure. The goal is to find a simpler way to monitor patients and catch problems early.

This study is testing whether a special type of imaging called FAPI can better predict how much heart function will improve after bypass surgery or stenting in people with ischemic heart failure. Researchers will follow 122 patients for 12 months, measuring changes in heart pumpi…

This registry tracks 2,000 adults with congenital heart disease who are on the waiting list for a heart or heart-lung transplant. The goal is to understand why some patients get worse or die while waiting, while others improve enough to be removed from the list. By collecting dat…

This study is testing a skin patch called MyHeartSentinel that records heart electrical and mechanical signals in people with heart failure. Researchers want to see if the patch can detect early signs of a worsening episode (decompensation) while patients are in the hospital and …

This study tests a new PET scan technique to better track heart damage in people with a condition called ATTR-CM, a progressive heart muscle disease. Researchers will scan 140 participants to see if the imaging can show how well treatments are working. The goal is to improve moni…

This study looks at 110 patients aged 80 and older who are in the hospital for acute heart failure. Researchers will use ultrasound and blood tests to measure muscle loss (sarcopenia) and see how it affects their recovery over six months. The goal is to find better ways to predic…

This study tests whether pacing the heart to mimic the speed of a workout can improve heart function in people with heart failure. Fifty-two adults with a weak heart and an implanted defibrillator will receive either active pacing or a sham (fake) pacing for 6 weeks. Researchers …

This study looks at whether people with heart failure can reduce their intake of ultra-processed foods (like packaged snacks, sugary drinks, and fast food) and whether doing so improves their health. Participants will track their meals using a smartphone app and receive coaching …

This study looks at whether breast cancer patients on HER2-targeted therapy can safely have fewer heart tests. Currently, patients get heart scans every three months, but most don't change treatment. Researchers will test a personalized schedule based on heart risk, comparing it …

This study collects data from wearable devices like Fitbit and Apple Watch to learn about daily habits and health in people with or at risk of heart failure. Researchers will combine this data with medical records to find patterns that might predict health problems. The goal is t…

This registry will collect health information from 8,000 patients with cardiogenic shock, a life-threatening condition where the heart suddenly can't pump enough blood. Researchers will track what treatments patients receive and how they fare, including survival rates in the hosp…

This study is testing whether a detailed analysis of an electrocardiogram (ECG) can give doctors more information about patients hospitalized with acute heart failure. Researchers will look at how the ECG results relate to lab tests and patient outcomes over one year. The goal is…

This study looks at 500 adult survivors of childhood cancer to see if a newer type of heart ultrasound, called speckle tracking, can find heart problems earlier than the usual method. Researchers want to know if this technique can detect heart damage sooner, which could help with…

This study follows 60 kidney transplant recipients in Denmark to find out how often blood vessel problems cause poor kidney function or hard-to-treat high blood pressure. Participants will get special imaging tests, and if a narrowed artery is found, they may receive balloon trea…

This study aims to understand why some heart failure patients do not respond well to diuretics (water pills). Researchers will give 75 heart failure patients different doses of a diuretic called bumetanide and measure how their kidneys handle sodium. The goal is to identify biolo…

This study looks at why some people with heart failure don't respond well to diuretics (water pills). Researchers will give 50 participants either ammonium chloride or a placebo, along with standard diuretics, to see how it affects kidney function. The goal is to understand the b…

This study looks at whether CD34+ stem cells, which help maintain tiny blood vessels in the heart, are linked to how well the heart recovers in people with Takotsubo syndrome (also known as broken heart syndrome). Researchers will measure heart function in 40 participants at the …

This study is observing 400 adults with advanced heart failure who have received a continuous-flow ventricular assist device (VAD), a mechanical pump that helps the heart circulate blood. Researchers will track survival rates in the hospital and at one and five years after implan…

This study follows 1,000 adults with chronic heart failure to learn what factors influence their health outcomes, such as heart-related death or unplanned hospital visits. Researchers will collect data on genetics, gut bacteria, environment, and other markers. The goal is to bett…

This study is testing whether wearable devices and home monitors can safely track the health of children with heart failure. One hundred kids aged 8 to 18 from four Canadian hospitals will use a chest band, blood pressure cuff, pulse oximeter, and scale for 12 weeks. The goal is …

This study is not testing a new drug or treatment. Instead, researchers want to make sure their lab tests and equipment give accurate and repeatable results when studying conditions like obesity, diabetes, heart disease, and bone loss. Up to 100 healthy volunteers and people with…

This study looks at how social factors like race, income, insurance, and community distress affect whether heart failure is caught early and treated properly. Researchers will follow 1,000 adults at risk for heart failure, using blood tests and heart ultrasounds to make diagnoses…

This study looks at how the changing seasons impact physical activity in people with heart failure who have a cardiac implantable electronic device. Researchers will measure activity levels using a wrist-worn accelerometer and questionnaires over a full year. The goal is to under…

This study uses advanced heart MRI to see how bariatric surgery and cardiac rehabilitation change the heart's structure and function. Researchers will scan 150 adults before and 6-12 months after these metabolic treatments. The goal is to understand how the heart adapts to these …

This study tests whether MRI can accurately measure fluid buildup in the lungs of people hospitalized for acute heart failure. Researchers will track 300 patients from admission to discharge to see how lung water changes with treatment and whether these measurements can predict w…

This study will use a new type of cardiac MRI to look at the heart's microscopic structure in 1,000 people—both healthy volunteers and those with various heart conditions. The goal is to see if this advanced imaging can detect early signs of heart damage better than standard test…

This study looks at whether a special heart failure care network can help people who were recently in the hospital for worsening heart failure. About 1000 adults with moderate to severe heart failure will take part at five heart centers in Germany. Half will get extra support fro…

This study is testing whether using a blood test called NTproBNP can help doctors decide the best time to discharge patients hospitalized with worsening heart failure. 750 participants will be randomly assigned to either a biomarker-guided discharge plan or usual care. The goal i…

This study uses advanced MRI scans with a special manganese dye to look at how the heart handles calcium and energy in people with heart failure with preserved ejection fraction (HFpEF). Researchers will compare 40 people with HFpEF (half with type 2 diabetes) and 20 healthy volu…

This study is recruiting 130 people with heart failure with preserved ejection fraction (HFpEF), both obese and non-obese. Researchers will use CT and MRI scans, blood tests, and other checks to see if having more fat around the heart leads to worse heart function. The goal is to…

This study tests whether regular heart failure symptom questionnaires delivered by a chatbot can detect worsening health early. 120 people with heart failure will answer questions every two weeks for a year. The goal is to see if this approach is practical and if changes in score…

This study is creating a large biobank of blood, DNA, plasma, and tissue samples from 15,000 people with and without heart and aortic diseases. Researchers will use this information to better understand conditions like aortic aneurysm, heart failure, and bicuspid aortic valve. Th…

This study looks at how severe obesity can lead to a type of heart failure called HFpEF, where the heart becomes stiff and has trouble filling with blood. Researchers will study 250 people with obesity using heart ultrasounds and blood tests to find early signs of heart problems.…

This study looks at how often cardiac amyloidosis—a condition where abnormal proteins build up in the heart—occurs in people aged 80 and older who have been hospitalized for heart failure. Researchers will use bone scans to detect the condition in 637 participants. The goal is to…

This study looks at how a specific biological pathway (BMPR2-activin) affects pulmonary hypertension in people with left heart disease. Researchers will follow 150 heart failure patients for one year, using blood tests, imaging, and heart tissue analysis. The goal is to better un…

This study looks at why some heart failure patients choose to join programs that help coordinate their care after leaving the hospital, like the PRADO-IC program or telemedicine monitoring. Researchers will follow 700 patients in France to see what factors—such as social, cultura…

This study aims to create a tool that uses stress heart MRI and routine medical data to predict which patients with dilated cardiomyopathy (a weakened, enlarged heart) are at highest risk for serious problems like heart failure or sudden cardiac death. Researchers will follow 2,0…

This study looks at 26 people with severe heart failure who are in cardiogenic shock, a life-threatening condition where the heart can't pump enough blood. Researchers will measure specific markers in the blood related to inflammation and blood vessel health. The goal is to bette…

People with serious mental illness often have undiagnosed physical conditions like heart disease, diabetes, and cancer. This study tests whether adding routine physical health checks to psychiatric care helps find and treat these hidden illnesses. About 2,800 adults in Denmark wi…

This study is observing 1,000 people hospitalized with acute heart failure to learn how to better predict their outcomes. Researchers will use blood tests, imaging, and other measurements to identify different patient types. The goal is to improve future treatment and care for th…

This study looks at whether people with stable heart failure whose heart function has improved can safely stop taking a type of medication called a mineralocorticoid antagonist (MRA). Researchers will monitor 90 participants over 24 weeks to see if stopping the drug leads to a de…

This study is for adults with advanced heart failure who are getting a mechanical heart pump (LVAD). Researchers want to see if a substance in the blood called GDF-15 can help predict early complications or death after surgery. The goal is to better identify high-risk patients be…

This study aims to find early warning signs of heart failure in people with type 2 diabetes and metabolic syndrome by analyzing immune cells from a blood sample. Researchers will compare calcium and inflammation signals in these cells between patients with and without heart probl…

This observational study at Imperial College London will enroll 70 people undergoing heart catheterization to understand why some patients tolerate ventricular tachycardia (VT) better than others. Researchers will measure blood pressure and blood flow in the heart during simulate…

This study follows 500 people with cardiogenic shock, a life-threatening condition where the heart suddenly can't pump enough blood. Researchers will collect data from four specialized centers to understand what treatments work best and why some patients do better than others. No…

This study is building a large collection of blood samples and health information from 5,000 adults with congenital heart disease and related conditions. Researchers will use this data to better understand how these diseases work and what affects patient health. No treatments or …

This study follows 160 heart failure patients who are scheduled for coronary artery bypass surgery. Researchers want to see if measuring a substance called GDF-15 in the blood before surgery can help predict who will have serious heart problems in the next year. The study does no…

This study is re-examining 1,400 adults in Stockholm to find early signs and risk factors for heart, lung, and liver diseases. Participants will get advanced scans, blood tests, and questionnaires. The goal is to better understand how these diseases develop and how to predict the…

This study is testing whether a special wearable device, combined with artificial intelligence, can help people with chronic heart failure avoid hospital visits. About 205 adults will wear the device for six months while their health data is monitored remotely. The goal is to see…

This study follows 2,000 people with chronic heart failure to see how their physical activity levels relate to hospitalizations and survival. Participants wear a pedometer or smartwatch and answer activity questionnaires every six months. No new treatment is given—the goal is sim…

This study is looking at people with pulmonary arterial hypertension (PAH), those with a genetic risk but no disease, and healthy individuals. Researchers aim to find molecular and physical markers that explain why some people get PAH and others stay healthy. The goal is to impro…

This study creates a live registry of up to 40,000 heart failure patients across the Yale New Haven Health System. Researchers will track hospitalizations and use of recommended therapies like beta blockers and ACE inhibitors. The goal is to monitor and improve heart failure care…

This study will have up to 10,000 adults wear a smartwatch for one year to collect health data like heart rate and activity. Participants will also answer questions through a phone app. The goal is to see if smartwatch data can help doctors spot heart problems earlier. No drugs o…

This study observes 500 adults in intensive care with acute respiratory distress syndrome (ARDS) who are on mechanical ventilation. Researchers will use heart ultrasounds and medication data to track how often right heart failure occurs and how it changes over time. The goal is t…

This study enrolls 60 heart failure patients who already have an implanted sensor to measure lung artery pressure. Participants record their voice daily for 3 months using a smartphone app. After the study, researchers will use artificial intelligence to see if voice changes can …

This study looks at whether early heart ultrasound results can predict which patients hospitalized with heart failure will need to return to the hospital or have a higher risk of death. Researchers will measure heart structure and function before starting IV diuretics in 76 adult…

This study tests whether heart failure patients can safely drink as much fluid as they want instead of restricting it. Researchers will compare lung congestion, blood markers, quality of life, and hospital readmissions in 326 participants over time. The goal is to see if liberal …

This study looks back at medical records of 100 children with a genetic condition called RASopathy that causes severe heart thickening and heart failure. Researchers want to collect detailed information on how the disease progressed in the past. This will help design future studi…

This study looks at how a specific type of heart failure (left ventricular diastolic dysfunction) affects short-term results after heart surgery, especially in women. Researchers will track 1,000 patients undergoing cardiac surgery, comparing men and women to find differences in …

This study will use cardiac MRI to track changes in heart structure and function in 40 patients who have had endovascular repair for aortic disease. Researchers will compare heart measurements taken before surgery and again at 6 and 12 months afterward. The goal is to understand …

This study looks at whether a special breathing technique (negative pressure ventilation) can improve heart function in people who have a left ventricular assist device (LVAD), a mechanical heart pump. Researchers will compare this method to standard breathing support in 30 patie…

This international registry is tracking 400 adults with congenital heart disease who are taking SGLT2 inhibitors, a type of diabetes medication that also benefits the heart. Researchers want to see how these drugs are being prescribed, how well they are tolerated, and whether the…

This study looks at how often heart failure with preserved ejection fraction (HFpEF) occurs in people with COPD and how it affects their health over time. Researchers will follow 200 adults aged 50–70 in Russia who are hospitalized with COPD. They will use heart and lung tests to…

This study follows 270 heart transplant recipients to track how their heart and body metabolism change over time. Researchers will use imaging, blood tests, and biopsies to monitor heart function, rejection, kidney health, infections, and cancer risk. The goal is to better unders…

This study follows 1500 people who already have an implantable cardioverter-defibrillator (ICD) to prevent sudden cardiac death. Researchers will track heart function, genetics, and blood markers to find better ways to predict who is at highest risk. The goal is to improve how do…

This study looks at fat tissue surrounding the heart arteries in 60 patients who had a heart transplant. Researchers want to see if the size of fat cells close to the artery differs from those farther away, and if that relates to artery disease. The goal is to better understand h…

This study is testing whether sending a portable ECG monitor to people with elevated NT-proBNP (a heart stress marker) can catch hidden atrial fibrillation and reduce strokes. 4,000 adults aged 40+ without known AF will be randomly assigned to either 7 days of home monitoring or …

This study aims to understand why the right side of the heart fails in people with heart failure and high blood pressure in the lungs. Researchers will look at heart tissue samples from 50 adults to find the best ways to diagnose and treat this condition. Participants must be bet…

This study looks at how different types of platelets change in patients on ECMO, a machine that helps the heart and lungs. Researchers will track 75 adults in intensive care to see if shifts in platelet populations relate to bleeding or clotting problems. The goal is to better un…

This observational study enrolls 5,000 adults hospitalized with acute coronary syndrome in Italy. Researchers will track how often doctors follow European quality indicators, like timely artery-opening procedures and proper discharge medications. Participants are followed for 12 …

This study uses brain scans (fMRI) to see if people with cancer, COPD, or heart failure have different brain activity patterns when they feel breathless. It also tests whether immersive virtual reality can help ease that breathlessness. Only 16 participants are being recruited to…

This study is a large registry that will collect health information from up to 60,000 people with both heart and kidney disease. The goal is to better understand how these conditions interact and to find ways to predict and improve patient outcomes. No new treatments or procedure…

This study is testing whether a detailed heart MRI (called T1 mapping) can better predict who will develop heart disease, heart failure, or long COVID complications. Researchers will scan 6000 adults without known heart disease and follow them over time. The goal is to see if sub…

This study follows 100 adults who needed ECMO support for severe heart or lung failure. Researchers will track muscle size, strength, and quality of life over time to understand why some patients develop lasting weakness. No new treatments are being tested; the goal is to gather …

This study looks at whether adding a drug called acetazolamide (used for glaucoma) to standard heart failure treatment helps people with acute heart failure pass more urine and salt. Researchers will measure urine output over 24 hours in 64 hospitalized adults who still have flui…

This pilot study is testing a new type of PET/CT scan that uses a radioactive tracer called 68Ga-FAPI to detect active scarring (fibrosis) in the hearts of 30 people with heart failure. The goal is to see if this scan can spot early or ongoing scarring better than current MRI met…

This study follows 600 adults with type 2 diabetes who do not yet have heart failure or dementia. Researchers will track their health over time to find early warning signs of heart failure and cognitive decline. The goal is to develop personalized prevention strategies for those …

This study will use cardiac MRI scans to measure heart muscle scarring in 125 people with heart failure and a leaky mitral valve who are scheduled for a MitraClip procedure. Researchers want to see if the amount of scarring predicts how well the heart recovers six months later. P…

This study looks at how narrowed leg arteries (peripheral artery disease) might affect heart function. Researchers will use advanced heart ultrasound to measure subtle changes in heart muscle strain in 162 participants. They will also check for links to metabolism and organ damag…

This study is tracking 4,000 people in the UK who were recently diagnosed with heart failure and have a weak heart pump (ejection fraction below 50%). Researchers will follow them over time to see how their health changes, what treatments they receive, and how often they are hosp…

This study looks at how common depression and mild memory problems are in people hospitalized for chronic heart failure, and whether these issues lead to worse health outcomes. About 300 adults aged 18 to 85 will answer questionnaires about their mood and thinking skills. The goa…

This study is not testing a new drug. Instead, it brings together doctors, nurses, pharmacists, and patients who have recently been hospitalized for heart failure. They will discuss and vote on which additional treatments to test in a future trial, what doses to use, and how to m…

This study looks at a new alert system called HeartInsight for people with heart failure who have a special implanted heart device. The system monitors seven body signals and warns doctors up to 42 days before a serious heart event. Researchers will follow 100 patients in Italy f…

This study is looking at children ages 7 to 18 who have been newly diagnosed with high blood pressure. Researchers want to understand how certain hormones in the body, like angiotensin-(1-7), may contribute to damage in the heart, kidneys, and blood vessels. Over two years, they …

This study tests whether a robot-assisted remote ultrasound can measure heart function as accurately as a standard in-person ultrasound. About 50 adults with or at risk for heart failure will get both types of scans. The goal is to see if remote scans can help patients on smaller…

This observational study follows 200 adults with chronic kidney disease and a type of heart failure (HFpEF), some taking SGLT2 inhibitors (flozins) and some not. Researchers will measure arterial stiffness, heart function, and kidney decline over time to see if flozins are linked…

This study is for people with light chain amyloidosis, a rare disease where abnormal proteins build up in the heart and other organs. Researchers will use special PET and MRI scans to take detailed pictures of these protein deposits in the heart. The goal is to better understand …

This observational study tests a new device (eMyosound LYRA) that uses sound waves to measure stiffness in the heart and liver. Researchers will compare 150 people—some with heart failure, some with a rare heart condition called ATTR-CM, and some healthy volunteers. The goal is t…

This study looks at whether monitoring a blood marker called sST-2 can help doctors adjust treatment for people with acute heart failure. The goal is to see if this approach reduces hospital readmissions and improves quality of life. Researchers will compare patients whose treatm…

This study follows 1,250 people with a type of heart failure called HFpEF, where the heart doesn't pump blood properly. Researchers will collect routine medical information to better understand why HFpEF develops, find new tests, and learn about life expectancy. No new treatments…

This study is testing a risk calculator that predicts who might develop heart failure, so doctors can catch it earlier. Researchers will recruit 600 adults aged 50 and over with conditions like diabetes or high blood pressure. The goal is to see if the calculator works well in re…

This study looks at what happens when people with a certain type of heart failure (HFpEF) stop taking beta-blockers for 4 weeks. Researchers will measure changes in heart function, exercise ability, and quality of life in 30 participants. The goal is to see if stopping this commo…

This study will follow 10,000 people who come to a clinic in Davos, Switzerland for cardiac rehabilitation after a heart attack, surgery, or other heart problem. Researchers will collect health data, blood samples, and genetic information to understand what helps people recover b…

This study is tracking 1,000 adults with psoriasis to see how their skin condition relates to heart disease. Researchers will use blood tests and heart imaging to find early signs of heart problems. The goal is to better understand why people with psoriasis have higher rates of h…

This study follows 103 advanced heart failure patients on a transplant waiting list to see how dapagliflozin affects the link between heart and kidney health. Researchers will measure a protein called suPAR in the blood over 6 months to track kidney damage. The goal is to better …

This study observes 270 adults hospitalized with acute heart failure to identify different patterns of fluid buildup (congestion). Researchers will use ultrasound, liver scans, and urine tests to see how these patterns relate to treatment response and outcomes like rehospitalizat…

This pilot study is testing whether wearable devices like smartwatches, blood pressure monitors, and smart scales can help patients recover after a stay in the intensive care unit (ICU). Many ICU survivors face physical and mental challenges, known as Post-Intensive Care Syndrome…