HEART FAILURE

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 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 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 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 trial tests a small sensor placed in the pulmonary artery (the blood vessel from the heart to the lungs) that wirelessly sends daily pressure readings to doctors. The goal is to help people with moderate heart failure (NYHA Class II or III) manage their condition at home and…

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 a small implanted device that sends gentle electrical signals to strengthen heart contractions in people with heart failure whose hearts still pump fairly well (ejection fraction 40-70%). Researchers will compare the device to a sham (inactive) implant in 1,500 p…

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 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 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 compares a standard leg exercise program alone versus the same program combined with neuromuscular electrical stimulation (NMES) in heart failure patients who have a temporary heart pump (intra-aortic balloon pump) in their leg. The goal is to see if adding NMES helps …

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 study tests an investigational drug called omecamtiv mecarbil in 1,800 adults with severe heart failure and a very weak heart pump. The goal is to see if it can lower the risk of heart failure worsening, hospitalization, need for a heart pump or transplant, or death. Partici…

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 tests whether the drug vericiguat can help children with heart failure caused by a weak left heart chamber. About 342 children aged 1 month to 18 years will receive either vericiguat or a placebo for 16 weeks. The main goal is to see if the drug lowers a key heart stre…

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 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 tests the drug acalabrutinib in people with chronic lymphocytic leukemia (CLL) who also have moderate to severe heart failure. Researchers want to see if acalabrutinib causes fewer heart-related side effects compared to other standard treatments. About 60 adults will t…

This study tests whether adding vicadrostat to the standard medicine empagliflozin helps people with heart failure who have a preserved ejection fraction (heart pumps normally but is stiff). About 6000 adults with symptoms will take either vicadrostat plus empagliflozin or a plac…

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 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 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 study tests whether a small wireless monitor in the lung artery can help people with a mechanical heart pump avoid hospital visits. About 40 adults who already have a HeartMate III heart pump will be randomly assigned to get the monitor or standard care. The goal is to see i…

This study tests a 12-week home-based cardiac rehabilitation program delivered through a smartphone app for 332 adults with heart failure who cannot attend in-person rehab. Participants are split into two groups: one uses the app program, the other receives standard attention. Th…

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 tests an experimental pill (PF-07328948) for adults with heart failure. About 620 participants will receive either the drug or a placebo to see if it improves walking distance and heart-related symptoms over 36 weeks. The goal is to manage the condition and reduce the …

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 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 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 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 an experimental drug (BMS-986435/MYK-224) in people with a specific type of heart failure where the heart pumps normally but is too stiff (HFpEF). The main goal is to check the drug's safety and how the body processes it. About 208 adults with stable symptoms wil…

This study tests a small device implanted in the heart that measures pressure and creates a small opening to help blood flow. It is for people with chronic heart failure whose heart pumps weakly (ejection fraction 40% or less) and who still have symptoms despite standard treatmen…

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 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 tests a program called I-TRANSFER-HF for people with heart failure who need home care after leaving the hospital. The program combines early nurse visits at home with quick follow-up doctor appointments to prevent patients from returning to the hospital within 30 days.…

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 study compares a low-sodium (2 g/day) diet to a regular diet (3-4 g/day) in 500 adults hospitalized for heart failure. The goal is to see if a low-sodium diet actually reduces hospital stay length and 30-day readmission rates. Participants follow the assigned diet only while…

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 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 looks at whether having a specially trained community paramedic visit people with heart failure at home can reduce hospital stays and emergency visits compared to standard care. About 75 adults with worsening heart failure will take part. The goal is to see if this app…

This study tests whether giving heart failure patients a one-page checklist of recommended medications helps doctors prescribe them more often. The checklist lists guideline-approved drugs and doses for heart failure with reduced ejection fraction. Researchers will enroll 4000 pa…

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 a device called the Carillon Mitral Contour System in 300 people with heart failure and a leaky mitral valve. The device is placed in a vein to help the valve close better, reducing blood backflow. The goal is to see if it improves symptoms, walking ability, and …

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 is testing whether a small wireless sensor placed in the lung artery can help doctors manage heart failure better. The sensor measures pressure in the lung artery and sends readings to a doctor, who can then adjust medications early to prevent flare-ups. The study will…

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 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 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 tests whether a 6-month program of problem-solving training, community health worker support, and exercise coaching at a YMCA can improve fitness and heart health in 210 adults with type 2 diabetes, obesity, and low income. Participants are compared to those who receiv…

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 tests whether a daily pill called sotagliflozin can slow kidney function loss in people with type 1 diabetes who already have moderate to severe kidney disease. About 150 participants will take either the drug or a placebo for 3 years, while following a special plan to…

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 is testing whether adults with sudden illnesses like infections, heart failure, or COPD can be safely treated at home instead of in a hospital. Researchers will compare costs, patient experience, and health outcomes for 3,000 participants who receive hospital-level car…

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 whether a monthly injection called ziltivekimab can reduce heart failure-related deaths, hospitalizations, and urgent visits in people with heart failure and signs of inflammation. About 5,600 participants will receive either the drug or a placebo for up to 4 yea…

This study tests whether adding an SGLT2 inhibitor (a type of diabetes medicine) to standard hospital care helps people with heart failure who also develop acute kidney injury. Researchers will compare outcomes like survival, need for dialysis, and symptom relief between those wh…

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 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 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 tests a drug called sacubitril-valsartan in young adult cancer survivors (diagnosed at or before age 39) who have early-stage heart failure (stage B) caused by past chemotherapy. The goal is to see if the drug is tolerable and can help control heart damage. About 53 pa…

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 early study is testing a new heart pump device (Magenta Elevate) in 10 people with cardiogenic shock, a life-threatening condition where the heart can't pump enough blood. The device is inserted through a blood vessel to help the heart pump. Researchers are checking if it is…

This study tests whether social prescribing—connecting patients to community resources for issues like housing, income, or loneliness—can help women with heart failure better adhere to their medications and improve their quality of life. Researchers will enroll 200 women across f…

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 a temporary heart pump called the Supira System in 45 people with heart failure and severe coronary artery disease who need high-risk angioplasty. The pump is inserted through a leg artery to help the heart pump blood during and after the procedure. Researchers w…

This study tests whether using artificial intelligence to guide a heart pacing procedure (left bundle branch area pacing) can improve heart function more than the standard approach. Researchers will compare AI-guided pacing to conventional pacing in 224 adults with heart failure.…

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 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 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 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 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 using portable air filters at home can improve the health of people with heart failure. Researchers will measure how far participants can walk in six minutes, along with blood pressure and heart-related blood markers. The study involves 255 adults in Indi…

This study is testing the Aeson total artificial heart, a device that replaces both heart ventricles, in 95 people with severe heart failure. The goal is to confirm that the device works safely and effectively as a bridge to heart transplant. Researchers will measure survival rat…

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 early-phase trial tests whether sildenafil (the drug in Viagra) can reduce blood vessel damage in people with advanced heart failure who have a mechanical heart pump (LVAD). LVADs help patients live longer, but they often cause blood vessel aging that leads to strokes or ble…

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 looks at 140 heart failure patients to see if taking a medicine called ARNI before coming to the hospital leads to better short-term health. Researchers will compare those who were already on ARNI with those who were not, tracking heart and kidney events during the hos…

This study compares a new pacing technique (His bundle pacing) to standard right ventricular pacing in 100 adults with symptomatic atrial fibrillation and heart failure who are having AV node ablation. The goal is to see if the new method helps them walk farther, feel better, and…

This early-stage trial is testing whether stem cells from a donor can help control heart failure in people whose hearts were weakened by a type of chemotherapy called anthracyclines. About 72 participants will either receive standard care alone or standard care plus stem cells gi…

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 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 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 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 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 looks at whether adding protein supplements to the diet can prevent muscle wasting in people with heart failure. About 120 adults with heart failure and reduced pumping ability will be randomly assigned to receive no, low, or high doses of protein drinks. The main goal…

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 a smart scale and online system to help manage fluid levels in people with heart failure. Fifty adults recently hospitalized for heart failure will use the scale at home, and their doctors will get alerts if fluid levels rise. The goal is to see if this remote mo…

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 phase 2 trial at Yale University is testing whether the diabetes drug ertugliflozin can help people with chronic heart failure manage fluid buildup better than a standard diuretic (metolazone) or a placebo. Sixty adults on daily diuretics will take one of the three treatment…

This study tests whether Empagliflozin (Jardiance), a drug used for diabetes and heart failure, can help adults born with heart defects who now have a weakened heart. Forty participants will receive either the drug or a placebo for one year. Researchers will measure changes in he…

Heart failure is a serious condition with a poor outlook despite modern treatments. This large Danish trial will test whether two common supplements—coenzyme Q10 and selenium—can help. About 4,044 adults with heart failure will take either the supplements or placebos for 2-3 year…

This study tests whether the drug sacubitril/valsartan (Entresto) can improve heart function in people who have a prosthetic (artificial) heart valve and heart failure with reduced pumping ability. About 220 adults will either get the drug plus standard care, or standard care alo…

This study tests a newer heart pacing method (His or left bundle branch pacing) against the standard method (biventricular pacing) in over 2,000 adults with heart failure and a weak heart pump. The goal is to see which approach better improves quality of life, reduces hospital st…

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

This 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 whether using alerts from a heart device (HeartLogic) can help manage heart failure better. About 1,428 adults with a compatible implanted device will be randomly assigned to have their care guided by these alerts or not. The goal is to see if this approach reduc…

This study is testing whether a combination of a special pacemaker (conduction system pacing) and a targeted heart ablation can help people with both heart failure and permanent atrial fibrillation. About 334 participants will be randomly assigned to either receive the procedure …

This study is testing whether a community-based exercise program can improve exercise capacity in 200 adults aged 18-85 with reduced heart or lung function. Participants will exercise 40-60 minutes, five times a week, for eight weeks, doing activities like brisk walking, jogging,…

This study uses the Swedish Heart Failure Registry to identify people with heart failure and reduced ejection fraction who may need medication adjustments, iron deficiency screening, device therapy, or physiotherapy. Researchers will compare outcomes for 500 patients who receive …

This phase 2 study tests a new radioactive imaging agent, 18F-mFBG, to measure nerve damage in the hearts of 20 people with stable heart failure and implantable defibrillators (ICDs). The goal is to see if the agent can reveal differences in nerve function between those who have …

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 study tests a new type of electrocardiogram (UHF-ECG) that uses ultra-high frequency waves to detect when the heart's lower chambers are not beating in sync. Researchers will compare it to the standard 12-lead ECG in 360 adults with slow heart rate or heart failure who are s…

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 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 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 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 is testing a new wearable ultrasound sensor that sticks to the skin like a patch. The goal is to see if it can help doctors find and monitor deep vein thrombosis (blood clots) and heart conditions early, without needing bulky machines. About 300 adults with heart failu…

This study is testing a special vest called HALD that records heart and lung sounds. Researchers want to see if the recordings are as accurate as what a doctor hears with a stethoscope. About 200 adults with or without heart or lung conditions will wear the vest during a clinic v…

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 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 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 study compares two approaches for heart attack survivors with weak hearts: taking modern medications alone versus getting a defibrillator implant plus medications. The goal is to see if medication alone is as good at preventing sudden cardiac death. About 3,600 participants …

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 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 is testing whether a special heart-care plan, including better medication and exercise, can prevent heart failure in people over 50 who had COVID-19. Researchers will measure changes in exercise capacity and watch for new heart failure symptoms. The trial aims to enrol…

This study looks at ways to improve the mental health and quality of life for people with a Left Ventricular Assist Device (LVAD) and their family caregivers. After leaving the hospital, both patients and caregivers often struggle with stress and lower well-being. Participants wi…

This study tests whether a 12-week resistance training program can improve physical function, quality of life, and heart-related biomarkers in people with heart failure who are on the waiting list for a heart transplant. Participants will be randomly assigned to either the exerci…

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 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 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…

This study is testing a mobile app called Cardio2U for people with atrial fibrillation or heart failure. The app helps patients track their condition, learn about their disease, and communicate with their care team. Researchers will check if patients find the app easy to use and …

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 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 tests whether taking L-carnitine, a natural substance that helps turn fat into energy, can improve symptoms and quality of life in people with heart failure and kidney problems. About 20 adults will take the supplement for a short time while researchers monitor side ef…

This study tests a 12-week phone program that uses positive psychology and motivational interviewing to help 280 heart failure patients stick to their diet, exercise, and medications. Participants get weekly phone sessions and text messages. The goal is to see if this approach im…

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 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 a new medicine called ziltivekimab in 680 adults with heart failure and signs of inflammation. Participants will receive either the drug or a placebo for up to 16 months. The goal is to see if the drug improves heart failure symptoms and physical function, like b…

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 8 weeks of phone-based mindfulness training can improve self-care and thinking skills in 176 adults with heart failure and mild cognitive impairment. Participants practice techniques like breath awareness and body scanning for 20 minutes daily. The goal i…

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 tests whether a low dose of colchicine, an anti-inflammatory drug, can improve exercise capacity in people with heart failure and chronic inflammation. Sixty participants will be randomly assigned to receive either colchicine or a placebo for three months. Researchers …

This study tests whether electrically pacing the diaphragm through a vein near the heart can improve heart function in people with heart failure. Ten adults who are already scheduled for a heart device (CRT) will have an extra pacing lead placed temporarily. Researchers will chec…

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 a digital program called TPA4You for older adults (50+) who care for a family member with heart failure. The program uses a Fitbit, video coaching, and text messages to encourage physical activity. The goal is to see if it's feasible and helps improve caregivers'…

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 tests whether using a bedside ultrasound (POCUS) to check fluid levels can help doctors treat heart failure patients more effectively. 66 adults hospitalized with decompensated heart failure will be randomly assigned to get either standard care or ultrasound-guided car…

This study tests whether a 14-week elastic band exercise program can improve muscle mass, strength, and physical function in heart failure patients aged 50 and older who also have sarcopenia (age-related muscle loss). Researchers will measure changes in muscle, symptoms, and qual…

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 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 looks at whether adding core muscle exercises (like Pilates) to standard cardiac rehab helps heart attack or heart failure patients recover better. Sixty adults will be split into three groups: core training only, aerobic exercise only, or both combined. The goal is to…

This study tests if eccentric resistance training (a type of exercise that focuses on lengthening muscles) can improve heart function and exercise ability in people with chronic heart failure. About 84 adults with stable heart failure will be assigned to either eccentric training…

This early-phase study tests whether anakinra, a drug that blocks inflammation, can make the heart more sensitive to inotropes (medicines that strengthen heart contractions) in people with end-stage heart failure. If successful, patients might need lower, safer doses of inotropes…

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 special breathing exercise program, called inspiratory muscle training, can improve how well the breathing muscles work during exercise in people with heart failure. Researchers will measure blood flow to breathing and leg muscles, and how long particip…

This study tests a new way to adjust pacemakers in people with heart failure. Researchers will use a non-invasive imaging technique (like an advanced ECG) to measure how quickly the heart's chambers activate under 16 different pacemaker settings. The goal is to find the setting t…

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 whether nurse-led education for heart failure patients and their informal caregivers can improve patients' quality of life, self-care, and medication adherence. About 280 patients recently hospitalized for heart failure and their caregivers will receive oral sess…

This pilot study tests a simple tool called 'Wake and Weigh' that helps older adults with heart failure track their weight daily. The goal is to see if this easy monitoring improves self-care and quality of life after leaving the hospital. Forty-two participants will be randomly …

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 is testing whether personalized text messages can help older adults (age 50+) with heart failure improve their self-care, like taking medications correctly and following a heart-healthy diet. Thirty participants will be split into two groups: one gets usual care plus t…

This early-stage study tests a new drug called CDR132L in 32 healthy adults. Researchers want to see how much of the drug gets into the blood when given as a shot under the skin compared to an IV drip. The goal is to find the best way to give this medicine to people with heart fa…

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 will observe 1000 people who receive BIOTRONIK pacemakers for conditions like slow heartbeat or heart failure. The goal is to see how well the devices work in everyday medical practice, focusing on safety and performance over time. Researchers will track device-related…

This early-stage study tests the safety and how the body processes a new drug called HRS-7156 in 66 healthy adults aged 18 to 55. The goal is to check for side effects and measure drug levels in the blood, not to treat heart failure. Participants must be healthy and not take any …

This study is testing a non-invasive device that uses sensors placed on the chest to monitor heart failure patients during their hospital stay and for 90 days after discharge. The goal is to see if the device's measurements can help predict which patients are at higher risk of be…

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 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 looks at whether training doctors on quickly starting and adjusting heart failure medications (called GDMT) during a hospital stay leads to better treatment after discharge. About 438 adults with heart failure and reduced ejection fraction will be observed across multi…

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 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 study aims to measure how well infants' hearts can make new muscle cells, especially in those with a heart condition called Tetralogy of Fallot. Researchers will use a special imaging technique on heart tissue that is normally removed and thrown away during surgery. The goal…

This study is collecting medical information and blood/urine samples from 9,500 people with various heart and blood vessel conditions, plus healthy volunteers, over 20 years. The goal is to find better ways to diagnose heart disease and predict how patients will do in the future.…

This study looks at 200 people with heart failure who are getting a left ventricular assist device (LVAD), a type of heart pump. Researchers will use a special 3D ultrasound during surgery to take detailed pictures of the right side of the heart. The goal is to better understand …

This study will follow 2,500 elderly people (ages 65-80) in rural China who have atrial fibrillation, a common heart rhythm problem. Researchers will screen them for heart failure using blood tests and heart ultrasounds, then check on them every three months to see how their cond…

This early-stage study tests the safety of a new oral drug called HRS-5765, which may one day treat heart failure. About 74 healthy adults aged 18-65 will receive single or multiple doses to see how the drug moves through the body and if it causes side effects. No direct treatmen…

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 tests whether wetting the skin or wearing a water-soaked T-shirt can help people with heart failure stay cooler and reduce stress on the heart during hot, dry conditions. Researchers will expose 88 participants (half with heart failure, half healthy) to simulated heat …

This observational study looks at whether removing excess fluid from the body (diuresis) can reduce sleep apnea severity in adults hospitalized with heart failure. Fifty participants will wear a sleep monitor before and after fluid removal, and researchers will track changes in n…

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 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 collecting high-quality ECG data from 1000 people with heart failure to build a library that could help develop a tool to track disease progression. Participants will also share their experiences with standard heart failure care and procedures. The goal is to improv…

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 explores whether a person's genetic makeup can guide how doctors prescribe beta-blockers for heart failure with mildly reduced pumping ability. Ten participants will receive beta-blocker therapy guided by their polygenic score, and researchers will measure changes in h…

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 an AI tool called EchoGo can help doctors spot early signs of heart failure in people with type 2 diabetes who have no symptoms. Researchers will send alerts to doctors about patients at risk, and see if this leads to more prescriptions of heart-protectin…

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 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.

Researchers at the University of Calgary are testing a new, non-invasive way to assess heart function using a handgrip exercise. The study involves 100 adults, half with heart failure and half without. Participants squeeze a device with maximum force for two minutes while sensors…

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…

This study looks at how heart failure may cause changes in brain structure. Researchers will measure brain volume and heart function in 100 adults with heart failure. The goal is to understand the link between heart health and brain health. No treatment is given; this is an obser…

This study looks at how dapagliflozin, a diabetes drug, affects heart function and metabolism in people with chronic kidney disease. Researchers will measure heart strain, oxygen use during exercise, and blood chemicals in 60 adults. The goal is to understand how the drug works b…

This study looks at how small blood vessels work in people who have had a heart transplant. Researchers will use a non-invasive laser device to measure skin blood flow. The goal is to learn more about heart health after transplant, not to test a new treatment. About 31 participan…

This study is looking at 1,000 people with and without heart failure to better understand the different types of the condition. Researchers will use heart images and blood tests to find patterns that could lead to more personalized treatments. The goal is to improve care for peop…

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 looks at heart tissue from 180 people with a type of heart failure called HFpEF. Researchers take tiny samples of heart muscle during a routine procedure to find changes in the tissue. The goal is to learn what causes this condition so better treatments can be develope…

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 study looks at tiny structures inside heart cells called mitochondria in people with heart failure and clogged arteries. Researchers will take small heart tissue samples during bypass surgery and compare them with blood tests. They want to see if damaged mitochondria are lin…

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 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 pilot study is testing whether a 12-week monitored exercise program can improve heart health in veterans with a type of heart failure called HFpEF. Only 4 participants are being enrolled to see if the facility can support a larger study and if exercise shows any benefit with…

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 testing new heart MRI techniques to see how the heart adapts to stress, like exercise or fluid changes. Researchers will study 135 healthy volunteers and people with heart conditions. The goal is to improve understanding of heart function and develop better diagnost…

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 aims to develop a machine learning tool to predict heart damage in 600 cancer patients receiving certain chemotherapy drugs (anthracyclines or HER2-targeted therapies). Researchers will collect data over one year to see who develops heart problems. The goal is to creat…

This study tests a noninvasive light sensor placed on the thumb to measure oxygen levels in children with heart failure. Researchers want to see if these measurements can show how severe the heart failure is. The study will enroll 130 children and young adults under 25 who are st…

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 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 looks at whether a structured education program helps heart failure patients understand their condition and practice self-care. About 1000 adults hospitalized for heart failure will take part. They attend a one-hour interactive session led by doctors and nurses, then c…

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 pharmacist-led medication checkups and easy-to-understand education can help people with heart failure get the right medicines. It involves 40 patients in Denver who have limited access to care. The goal is to see if this approach is practical and impr…

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 why diabetes can damage the heart even without clogged arteries. Researchers will examine heart tissue and use advanced imaging in 500 adults with heart failure, with or without type 2 diabetes. The goal is to find early warning signs and new treatment targets…

This study looks at why standard heart failure medications may not fully block a hormone called aldosterone. Researchers will give 20 adults with stable heart failure either a placebo or the drug spironolactone, then measure how the body handles salt and water. The goal is to und…

This study tests a program called FRAME that helps heart failure patients discuss stress, anxiety, and depression with their doctors and loved ones. About 7,300 patients in Ontario, Canada will take surveys before and after using the tool. The goal is to see if the program makes …

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 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 from Stanford University is looking at what happens inside the body when people with heart failure exercise. Researchers will measure thousands of proteins in the blood before and after a single workout, and again after a 12-week cardiac rehab program. By comparing the…

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 is for 100 people with heart failure. Researchers will use advanced blood tests and a home monitoring system to learn more about the disease and find better ways to manage treatment. The goal is to reduce hospital stays and improve outcomes.

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 looks at whether fear of movement (kinesiophobia) affects how well heart failure patients with a Left Ventricular Assist Device (LVAD) can move and function. Researchers will measure fear levels and physical capacity before and one month after patients leave the hospit…

This early-phase study tests a new MRI method that uses a special injection called hyperpolarized pyruvate to see how the heart uses energy. Researchers will scan the hearts of up to 112 people with high blood pressure, heart thickening, or heart failure. The goal is to see if th…

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 looks at whether doing a hard exercise test before a blood draw can make the AlloSure test better at spotting heart transplant rejection. Researchers will test 27 heart transplant recipients, both with stable transplants and those showing signs of rejection. The goal i…

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 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 looks at how heart rate affects metabolism in people with heart failure and diabetes. Researchers will take small samples of fat, muscle, and blood during pacemaker surgery to understand the link. The goal is to find new ways to treat heart failure by targeting metabol…

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 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 uses a special type of MRI called diffusion tensor imaging to look at the structure of heart muscle in people with heart failure, recent heart attacks, or thickened heart walls. Researchers want to see how the heart's muscle fibers change over time, which may help expl…

This study looks at how a special pacing method called His bundle pacing affects the heart's electrical activity in 80 people with bradycardia (slow heart rate) or heart failure. Researchers will take extra measurements during standard pacemaker implantation to see if this techni…

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 looks at how people with both cancer and heart failure feel day-to-day. Researchers will ask 100 participants about their symptoms and quality of life using simple questionnaires. No new treatments are tested—the goal is to better understand the challenges these patien…

This study is creating a registry of 101 adults with chronic heart failure to track their health over time. Researchers will collect data on disease progression and survival at one, five, and ten years after diagnosis. The goal is to better understand how heart failure evolves, n…

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 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 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 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 study tests a hospital-wide treatment guide for people with heart failure and a leaky mitral valve (secondary mitral regurgitation). The goal is to see if the guide helps doctors identify which patients will benefit most from a minimally invasive valve repair procedure calle…

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 study is testing a smartphone app designed to help older adults (55+) with conditions like heart failure, diabetes, and kidney disease manage their health after leaving the hospital. The app provides fall prevention tips, a personalized care plan, and a way to track symptoms…

This study is testing whether a special nutrition shake (Ensure Surgery Immunonutrition) can improve gut health and reduce inflammation in heart failure patients awaiting LVAD surgery. Researchers will give the shake to 50 hospitalized patients before their operation and track ch…

This study looks at whether using a 3D-printed model of a child's heart helps surgeons plan a procedure to place a mechanical pump (VAD) in children with congenital heart disease and heart failure. About 36 children weighing over 3 kilograms will take part. The goal is to see if …

This study looks at heart pumps (Impella) after they have been used in patients with heart failure. Researchers will analyze deposits and biological material on the pumps and see if they relate to patient health or medical history. The goal is to learn more about how the pump int…

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 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 the electrical signals in the heart during a special type of pacing called left bundle branch area pacing (LBBAP), used in people with heart failure or slow heart rates. Researchers will measure these signals at different pacing strengths and body positions in…

This study looks at how blood vessels control blood flow in healthy people and those with conditions like COPD, heart failure, and high blood pressure. Researchers will measure changes in blood flow and blood pressure after exercise and other tests. The goal is to understand why …

This study looks at how taking multiple medications (polypharmacy) affects the health of elderly people with chronic diseases like heart disease, diabetes, and high blood pressure. Researchers will survey 2000 patients aged 65 and older over two years to understand their medicati…

This study involves 70 adults with severe heart valve disease who are already scheduled for a routine heart catheterization. Researchers will use special catheters to measure how well the right side of the heart works with the lungs. The goal is to see if simpler, non-invasive te…

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 is testing a special heart monitor, the BIOMONITOR IV, in 300 people with heart failure who also have irregular heartbeats. The device tracks heart activity, fluid levels, and breathing patterns to see if it can predict when heart failure gets worse. Researchers hope t…

This study will follow 30,000 people aged 60 and older in rural China for up to 10 years. Researchers want to see if a comprehensive program—including medication, lifestyle changes, health education, and regular check-ups with a 7-day heart monitor—can lower the number of heart a…