Congestive heart failure

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 study tests whether giving doctors daily readings of a patient's peripheral venous pressure (a simple vein pressure measurement) can help heart failure patients get out of the hospital faster and avoid coming back. Researchers will compare 600 patients who get this extra inf…

This phase 3 trial studies whether patients with acute decompensated heart failure who are already taking an SGLT2 inhibitor like empagliflozin should continue it during hospitalization. About 536 participants will either keep taking empagliflozin or switch to a placebo while in …

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 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 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 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 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 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 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 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 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 tests a new medicine called ADR-002K in 50 people with heart failure caused by blocked heart arteries who are scheduled for bypass surgery. The goal is to see if the drug can prevent heart-related events and improve heart function over two years. Participants must have…

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 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 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 follows 30 children aged 1 to 17 with chronic heart failure who are taking Entresto for the first time. Researchers will monitor for side effects like low blood pressure, high potassium, kidney problems, and dehydration over 52 weeks. The goal is to understand how safe…

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 tests a device that filters out overactive immune cells from the blood to reduce inflammation in patients with severe heart failure and worsening kidney function. Twenty ICU patients will receive 4-hour treatments daily for up to 6 days. The goal is to see if it safely…

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 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 whether adding the drug vericiguat to standard heart failure treatment can reduce hospital stays and deaths in people with severe, decompensated heart failure. About 130 participants will be randomly assigned to get vericiguat or a placebo, and researchers will t…

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 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 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 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 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 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 whether injecting stem cells from umbilical cords into the heart during bypass surgery can help repair heart muscle and improve function in people with chronic heart failure. About 51 adults with weak hearts (ejection fraction 40% or less) will take part. The goa…

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 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 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 giving heart failure patients a debit card to buy fruits, vegetables, and legumes, along with optional health coaching, can reduce emergency visits, hospital stays, and deaths. About 900 adults with congestive heart failure who have had a recent hospital …

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 two water pills—acetazolamide and metolazone—added to standard diuretics in 320 adults hospitalized with acute decompensated heart failure. The goal is to see which drug clears fluid buildup faster and more safely, reducing hospital stays and complications. Parti…

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 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 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 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 giving the flu vaccine to heart patients just before they leave the hospital can lower their risk of infections, heart problems, and death in the next 6 months. About 400 adults hospitalized for serious heart conditions will be randomly assigned to get th…

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 trial tests a device called the Pedal Pump, which moves the feet for 10 minutes to help reduce lower leg swelling (edema) in hospitalized patients. The study includes 60 adults with edema due to conditions like heart failure, kidney disease, or chronic venous insufficiency. …

This study tests whether combining breathing exercises with mild electrical muscle stimulation can help people hospitalized with worsening heart failure. 135 patients will be split into three groups: one gets both treatments plus standard care, one gets breathing exercises only, …

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 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 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 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 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 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 a 12-week home-based tai chi program for people with chronic heart failure and their caregivers. Participants learn tai chi through videos and online coaching, aiming to improve heart function and reduce caregiver burden. The trial enrolls 256 sedentary adults wi…

This pilot study tests the Reprieve System, a bedside device that automatically adjusts the delivery of a diuretic (furosemide) and saline based on the patient's real-time urine output. The goal is to safely and quickly remove excess fluid from 50 hospitalized adults with acute d…

This study tests three different drugs—empagliflozin, acetazolamide, and metolazone—added to standard water pills (loop diuretics) in 66 adults hospitalized for acute decompensated heart failure. The goal is to see which drug works best at increasing urine output over three days.…

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 regular yoga practice can improve quality of life and well-being in adults with stable chronic heart failure. Researchers will measure changes in physical and mental health using standard questionnaires. The goal is to see if adding yoga to standard care …

This study looks at whether shorter or longer sessions of high-intensity interval training (HIIT) work better for people with chronic heart failure. Researchers will measure changes in walking ability, heart function, and quality of life in 45 participants. The goal is to find a …

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 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 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 two proteins released when heart muscle is damaged can be detected in the blood during a heart attack. Researchers want to see if higher levels of these proteins are linked to a greater chance of developing heart failure afterward. The study includes a…

This study looks at whether two proteins released by a struggling heart can be detected in the blood during acute heart failure. Researchers will measure these proteins in about 500 adults—some with stable or worsening heart failure and some healthy—to see if higher levels relate…

This study collects heart tissue and blood samples from people with advanced heart failure who are receiving a mechanical heart pump (LVAD) or a heart transplant. The samples are compared with healthy donor heart tissue to learn more about the biology of heart disease. The goal i…

This study is for breast cancer patients receiving certain chemotherapies that can harm the heart. Researchers want to see if a genetic marker called TRPC6 can predict who will develop heart problems. By analyzing blood samples, they hope to find early warning signs and ways to p…

This study explores barriers to heart failure self-care and care transitions for adults facing social challenges. Researchers will interview patients, caregivers, and community health workers to identify what gets in the way of good care. The goal is to use these insights to desi…

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 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 study follows 1,400 Japanese adults with chronic heart failure to see how safe the drug vericiguat is in everyday use. Half will take vericiguat plus standard care, the other half standard care alone. Researchers will track side effects, blood pressure, and heart-related dea…

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 whether a program called ADAPT, where nurses and social workers call people with heart failure weekly to help manage symptoms and improve well-being, can work outside of a research setting. The program aims to reduce hospital visits and improve quality of life…

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 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 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 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 is testing a new device called HemoCept during a standard heart procedure called right heart catheterization. The goal is to see if the device can accurately measure pressure in the heart's blood vessels. About 50 adults with conditions like pulmonary hypertension or h…

This study is collecting information from 20,000 people with chronic heart failure in Russia to understand how they are diagnosed, treated, and monitored. Researchers will look at patient ages, treatments, and hospital visits. The goal is to find gaps in care and improve future t…

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 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 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 aims to develop a way to predict when congestive heart failure suddenly worsens, using data from a non-invasive wearable device. About 60 adults who already have a heart monitor implant will wear the device for up to a year. Researchers will look for patterns in the we…

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 for early warning signs in the blood that could predict chronic heart failure in people with type 2 diabetes. Researchers will follow 500 participants over time, using heart scans and blood tests to see if certain biomarkers can spot trouble before symptoms …

This study uses magnetic resonance spectroscopy, a special MRI technique, to measure the heart's energy levels without needles or biopsies. Researchers will compare healthy volunteers, people with heart failure, and those with other heart conditions to see if low energy metabolis…

This study tests a special MRI that can show how heart cells process energy in people with ischemic heart disease. About 15 adults with chronic heart failure will get this scan along with standard tests. The goal is to see if this new method can tell healthy from damaged heart ti…

This study looks at whether certain proteins in the blood can predict if someone with chronic heart failure will develop kidney problems (cardiorenal syndrome). Researchers will measure these proteins in 150 adults with heart failure and follow them for one year. The goal is to f…

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 observes 300 adults in South Korea with chronic heart failure who are prescribed finerenone as part of their usual care. Researchers will track side effects and treatment satisfaction over one year. The goal is to see how safe and effective finerenone is in everyday me…

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 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 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 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…

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…