Fontan-associated liver disease

This study tests whether taking a daily fiber and magnesium supplement (WellBiome) for 6-8 weeks before heart surgery can improve recovery. Researchers will compare ICU time, complications, and hospital stay between 80 patients who get the supplement or a placebo. The goal is to …

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

This study looks at the long-term safety of the drug pelacarsen in people with high lipoprotein(a) and heart disease. About 5,700 participants who finished a previous pelacarsen trial will receive the drug and be monitored for side effects and heart events. The goal is to see if …

This study is testing a digital app called VIRTUES that provides educational resources and treatment recommendations for heart conditions like atrial fibrillation and heart failure. Researchers will enroll 2000 patients across 11 modules to see if the app is easy to use and helps…

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 tests whether a special activity score, calculated from heart rate data, can help people who have completed cardiac rehab stick to exercise guidelines. About 318 participants will wear a smartwatch for 4 months and do an exercise test at the end. Researchers will compa…

This study tests whether text messages can help people who have finished cardiac rehab keep up healthy habits like weight management, physical activity, and taking medications. Researchers will enroll 400 people from groups often left out of heart research. The study compares dif…

This study tests whether a machine that keeps donated livers working outside the body can help doctors safely use livers that were previously considered too risky for transplant. About 186 adults on the liver transplant waiting list will be randomly assigned to either receive a s…

This study tests whether genetic testing can help veterans at high risk for heart disease start and stick with statin medications. About 410 veterans aged 40-75 with diabetes or heart disease who are not currently taking statins will receive either a genetic report on their stati…

This study tests whether adding digital coaching to home-based cardiac rehabilitation helps veterans complete more rehab sessions and improve their heart health. 150 veterans with heart disease will be randomly assigned to standard home rehab or home rehab plus a private social m…

This study tests whether a daily nutritional supplement containing resveratrol, quercetin, taurine, inulin, and whey protein can improve liver function and quality of life in adults with liver disease from chronic hepatitis C. Over 12 weeks, 26 participants will take either the s…

This study looks at whether people at moderate risk for heart problems should continue or stop taking aspirin before a colonoscopy. About 2,500 participants will be randomly assigned to take either aspirin or a placebo for a few days around the procedure. The goal is to see which…

This study tests a program called CVD-FIT for African American adults who struggle to afford food and are at risk for heart disease. Participants get monthly income support, weekly incentives to buy healthy food, and phone-based education on heart health. The goal is to see if th…

This study is testing whether giving air conditioners and a $100 electricity subsidy to older adults in Boston neighborhoods can reduce heat stress, heat strain, and related health problems. One hundred participants aged 55-95 who don't have AC will be randomly assigned to receiv…

This study tests whether bempedoic acid, a cholesterol-lowering drug, can reduce artery inflammation and improve heart health in people with HIV. About 121 adults aged 40 and older with well-controlled HIV and at least one heart disease risk factor will receive either the drug or…

This early-stage trial is testing whether giving a mix of healthy gut bacteria (from donors) to people hospitalized with serious liver disease is safe and tolerable. The study involves 24 adults with liver failure or cirrhosis who have low levels of certain gut metabolites. Resea…

This study aims to create a simple blood test to find liver cancer at an early, more treatable stage. Researchers will analyze genetic material in the blood of 600 adults, including those with liver cancer, chronic liver disease, and healthy volunteers. The goal is to improve ear…

This study tests a new endoscopic ultrasound method (EUS-SWQ) to measure liver stiffness and diagnose liver fibrosis (scarring) in people with chronic liver disease. Researchers will compare EUS-SWQ results with standard liver biopsy and FibroScan in 65 adults. The goal is to see…

This study is testing a new, non-invasive ultrasound device called the Hepatoscope to screen for liver scarring (fibrosis) and fatty liver in people at risk. Researchers will enroll 200 patients with risk factors like diabetes or elevated liver enzymes. Those with high stiffness …

This study is testing whether a new type of MRI (4D flow MRI) can detect dangerous veins in the stomach and esophagus of people with cirrhosis, which can cause fatal bleeding. Currently, doctors use a camera down the throat (endoscopy) to check, but that is invasive and often unn…

This study is testing a special mattress that can measure heart rate, breathing, temperature, and body position without touching the patient. It is designed for people with heart disease who are in the hospital. The goal is to see if this wireless system works as well as standard…

This study checks if a quick, non-invasive finger test (QuantaFlo HD) can detect early signs of heart dysfunction. Researchers will compare the finger test results with standard heart ultrasound measurements in 600 adults who have risk factors like high blood pressure or diabetes…

This study is testing whether special ultrasound scans can accurately detect liver damage in children without needing a needle biopsy. Researchers will compare these scans to standard biopsy results in 550 children with various liver conditions. If the scans prove reliable, they …

This study is testing a blood test called hepatomiR to see if it can predict when people with chronic liver disease will develop serious complications like fluid buildup in the belly, bleeding from the esophagus, or confusion from liver failure. Researchers will follow 156 outpat…

This study tests a smartphone app designed to help people prepare for heart surgery through exercise, nutrition tips, and telehealth check-ins. About 40 adults awaiting surgery will either use the app or receive standard care. Researchers want to see if the app is easy to use, ac…

This study tests two different stitch materials (PDS and Vicryl) for closing groin incisions after planned vascular surgery. About 259 adults will be randomly assigned to one stitch type or the other. The goal is to see which material leads to fewer wound problems.

This study tests whether a daily movement program led by a kinesiologist can reduce frailty in 60 hospitalized heart patients. Frailty makes people weaker and more likely to have longer hospital stays or be readmitted. The program encourages simple activities like standing, walki…

This study tests whether adding a program that targets sleep and stress (called RESST) to standard cardiac rehabilitation helps heart patients recover better. About 200 adults with heart conditions who also have poor sleep or high stress will take part. Researchers will measure s…

This study tests a web-based app called IAMABLE that provides evidence-based rehabilitation strategies for people with chronic conditions like heart disease, arthritis, or neurological disorders. Fifty adults aged 45 to 75 will use the app for 4 months to set goals and learn abou…

This study tests whether a type of talk therapy called Behavioral Activation, delivered via home-based telehealth, can improve social functioning and mood in veterans recently discharged from the hospital for a heart condition. About 132 veterans with depression will receive eith…

This study compares a women-only cardiac rehabilitation program to the standard mixed-gender program for women with heart disease. Sixty women aged 40-80 will attend 36 sessions over 12 weeks, with extra women-focused education. Researchers will measure attendance, completion rat…

This study tests a program called One-Mind One-Heart that combines mindfulness and behavior change skills to help older adults with HIV reduce stress and improve heart health. The program includes text messages and covers topics like physical activity, diet, and substance use. Th…

This study tests whether a standardized, step-by-step protocol for giving blood thinner injections (low-molecular-weight heparin) can reduce bruising and pain in heart patients. About 180 patients in cardiac care units will be randomly assigned to receive injections either by the…

This registry study will enroll 200,000 high-risk cardiac patients to see how well an AI platform called Willem can detect heart problems from standard ECGs. The AI's readings will be compared to expert cardiologist diagnoses, but the AI results won't be shared with doctors, so p…

This study aims to learn more about how diseases related to blood clots, the immune system, and blood vessels start and change over time. Researchers will enroll up to 1,000 people aged 5 and older, including those with these conditions, their healthy relatives, and healthy volun…

This study aims to learn more about heart and blood vessel diseases by observing people who have them or are at risk. Researchers will collect samples and perform tests like imaging and stress tests on up to 5,000 participants, including healthy volunteers and relatives of affect…

This study at the National Institutes of Health is looking at 1,000 adults with known or suspected hormone gland (endocrine) disorders. The goal is to better understand these conditions and help train doctors. Participants may receive tests, treatments, or surgery as part of thei…

This study creates a large database of about 12,000 people with and without heart disease. Researchers collect medical information and blood samples to analyze factors that influence heart conditions like coronary artery disease, heart failure, and stroke. The goal is to better u…

This study looks at medical records of 1,000 older heart patients in Russia to see if they were prescribed potentially harmful medications during the COVID-19 pandemic. Researchers will use a medical database to count how often these risky prescriptions happened and check for dan…

This study enrolls up to 15,000 children with known or suspected endocrine or metabolic disorders, along with their family members. Researchers will collect medical records, blood, saliva, and other samples to identify genetic changes linked to these conditions. The goal is to be…

This study is creating a large collection of blood, urine, stool, and heart tissue samples from 10,000 people with and without heart or metabolic conditions. The goal is to store these samples along with medical information to speed up future research into what causes these disea…

This study is testing whether simple nutritional checks before heart surgery can predict how well patients recover. Researchers will give 250 patients questionnaires, blood and urine tests, and measure grip strength and body composition. They will then see if these measures are l…

This study is collecting medical data and biological samples from people with genetic conditions affecting the heart and blood vessels, their relatives, and healthy volunteers. The goal is to better understand these diseases, improve diagnosis, and lay the groundwork for future t…

This study looks at how the drug mirdametinib is absorbed and removed from the body in people with moderate or severe liver problems compared to those with normal liver function. It involves 32 adults and is for research only, not to treat any condition. The goal is to understand…

This study aims to collect medical data and biological samples (blood, urine, stool, and tissue) from up to 4,000 adults with known or suspected gastrointestinal diseases. Participants receive standard medical care at the NIH, and any extra samples or leftover tissue from procedu…

This early-stage study looks at how a new drug, INCB123667, behaves in the bodies of 16 adults with moderate or severe liver disease. Researchers will measure drug levels and watch for side effects. The goal is to gather safety information, not to treat the liver condition.

This study looks at whether people with type 2 diabetes, COPD, or heart disease who join a health program in Halsnaes Municipality improve their physical function and well-being. About 194 adults will be tracked before and after the program using tests and questionnaires. The goa…

This early-stage study is testing how the drug BMS-986435 behaves in the body and whether it is safe for people with mild to moderate liver problems compared to those with healthy livers. 24 adults will receive a single dose, and researchers will measure drug levels and monitor f…

This early-phase study looks at how a single dose of the drug inavolisib behaves in people with moderate or severe liver impairment compared to healthy volunteers. Researchers will measure drug levels in the blood and check for side effects. The goal is to understand if liver pro…

This study looks at how a single dose of the experimental drug BI 1291583 behaves in the blood of people with and without liver problems. The drug is being developed for bronchiectasis, a chronic lung disease. About 32 adults aged 18–80 will take part, divided into groups based o…

This early-stage study is testing a single dose of the drug eloralintide in 36 people with different levels of liver function—from healthy to severely impaired. Researchers want to see how the body absorbs and processes the drug and whether it causes side effects. The goal is to …

This study follows 300 people who had hospital-acquired pneumonia to see how it affects their heart and lungs over 18 months. Researchers will take blood samples, swabs, and perform heart and lung tests to understand the link between pneumonia and later cardiovascular problems li…

This study is testing a comprehensive MRI scan to see if it can better diagnose different heart conditions. Researchers will scan 2,000 adults with suspected or confirmed heart disease. The goal is to create a standard imaging method that improves early detection and risk predict…

This early-stage study looks at how the liver handles two experimental drugs, AZD9550 and AZD6234, in people with moderate to severe liver problems compared to healthy volunteers. About 28 adults will receive a single injection of one drug. The goal is to see if liver impairment …

This early-stage study by Pfizer looks at how different levels of liver function affect the processing of a new drug called PF-07328948. About 26 adults with and without liver impairment will take a single tablet and stay at the clinic for 6 days for monitoring and blood tests. T…

This study is testing whether artificial intelligence can predict if someone will develop one of five common diseases: diabetes, heart disease, breast cancer, back pain, or arthritis. Researchers will collect health data from 1,000 adults aged 30 to 60, including medical records,…

This early-stage study is recruiting 44 adults aged 18 to 80, including both healthy people and those with liver problems. All participants will take a single tablet of the drug BI 3000202. Researchers will measure how the drug moves through the body and check for side effects ov…

This study enrolls adults with known or suspected endocrine (hormone gland) disorders, such as diabetes or thyroid disease, to help researchers learn more about these conditions. Participants will undergo medical exams, blood and imaging tests, and possibly genetic testing. The m…

This study looks at why some adults who had the Fontan procedure as children develop serious liver scarring. Researchers will use blood tests, imaging, and liver biopsies to track changes and find early markers of disease. The goal is to better understand the process and pave the…

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 early-stage study is testing how the drug radiprodil behaves in people with mild, moderate, or severe liver problems compared to healthy adults. About 40 participants will receive a single dose and be monitored for about a week. The goal is to see if liver impairment affects…

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 is looking for new blood markers that could show how much scarring (fibrosis) is in the liver of people with chronic liver disease. Researchers will compare these markers to current tests like FibroScan and liver biopsy. The goal is to find a more accurate and less inv…

This study is building a huge database of up to 800,000 Korean patients with heart or brain vascular disease. By tracking their health over many years, researchers hope to understand the unique patterns and risk factors in this population. The goal is to create a platform that ca…

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

This early-stage study is testing an investigational drug called PF-08653944 in 26 adults, some with healthy livers and others with mild to severe liver impairment. Researchers want to see how liver function affects the way the body processes the drug and whether it is safe. Part…

This study will use advanced heart MRI scans on up to 100,000 people with known or suspected heart disease. The goal is to learn how these scans can help doctors better understand, diagnose, and treat different heart conditions. Researchers will track participants' health over ti…

This study creates a large collection of blood, tissue, and medical information from up to 5,000 people with or at risk for pediatric heart disease. Researchers will use these samples to better understand the disease and find new ways to diagnose or treat it in the future. Partic…

This study looks at how the body handles a single dose of the drug vepdegestrant in people with moderate to severe liver problems compared to healthy people. About 24 adults (ages 18-70) will take one pill and stay at the clinic for 11 days. The goal is to see if liver function a…

This study will follow 1,200 liver transplant patients in France to understand why some people bleed heavily during surgery while others don't. Researchers will use advanced methods like machine learning to build better prediction tools. The goal is to help doctors manage bleedin…

This study is testing a tool called B-COMPASS that uses a 22-question survey to predict whether people will follow their prescribed treatments. Researchers will enroll 3100 adults with cardiovascular, endocrine, immune, nerve, cancer, or rare diseases across Europe. The goal is t…

This study is testing whether giving probiotics after heart surgery can improve recovery by changing the bacteria in the gut. Researchers will measure certain chemicals in the blood that come from gut bacteria. The trial involves 30 adults scheduled for heart surgery, who will re…

This study collects blood samples from 1500 adults at risk for heart disease to discover new biomarkers that can predict future heart attacks, strokes, or blocked leg arteries. Participants are seen at a specialized prevention center and provide samples and health data at the sta…

This study tests whether a single PET tracer (FDG) can measure both blood flow and sugar use in the heart, instead of needing two separate tracers. Researchers will compare results from FDG with a dedicated flow tracer in 60 healthy adults and people with heart disease. The goal …

This early-stage study is testing a single dose of an experimental drug called EDG-7500 in 32 adults. Some have mild or moderate liver problems, while others have normal liver function. Researchers want to see how the drug moves through the body and if it is safe in people with d…

This study looks at how the drug MK-1084 (calderasib) moves through the body in people with and without liver problems. Researchers will measure drug levels in the blood and check for side effects. About 58 adults will take a single dose and be monitored. The goal is to understan…

This study is creating a digital tool to help teenagers and young adults (ages 14-20) who have had or are waiting for a liver transplant as they move from pediatric to adult care. The tool helps patients and doctors track medication use and well-being from home, reducing hospital…

This study tests a program called Heart-to-Heart, where community health workers help low-income patients make informed choices about cardiac rehab after a heart event. About 50 adults from Johns Hopkins Hospital will take part. The goal is to see if the program is practical and …

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 collects blood and tissue samples from 800 people with chronic liver disease or liver cancer. Researchers will use these samples to create lab models, such as cell clusters and mouse tumors, to study these diseases and test new treatments. The goal is to improve unders…

This study is reviewing medical records from 5,000 heart and blood vessel surgery patients to find factors that influence recovery and survival. Researchers are looking at data from 2001 to 2013 to identify what leads to complications or death after surgery. The goal is to improv…

This study is testing a new single probe for FibroScan, a device that measures liver stiffness to assess disease. Researchers want to see if one probe can work as well as the current two-probe system. About 309 adults with chronic liver disease will take part across France and Ho…

This study is testing whether a simple neck ultrasound can predict dangerous drops in blood pressure after anesthesia in adults with chronic liver disease. Researchers will measure blood flow in the carotid artery before and after anesthesia in 35 patients. If the method works, i…

This study collects small heart tissue samples from 400 adults undergoing heart procedures. Researchers will analyze these samples to find new markers that could help diagnose heart diseases earlier and better understand how the heart works in health and disease. The goal is to i…

This study looks at how mild and moderate liver problems change the way the body handles a single dose of the drug tasurgratinib. Researchers will compare 18 people with stable liver impairment to healthy volunteers matched by age, weight, race, and gender. The goal is to underst…

This study uses a special eye scan called OCTA to measure the density of tiny blood vessels in the retina. Researchers will compare results from 64 people—half with cardiovascular disease and half healthy—to see if the scan can reliably detect vessel changes linked to heart probl…

This study is testing whether adding genetic and imaging information to standard risk assessments can better predict heart disease in 30,000 healthy Italian adults aged 40-80. Participants will have their risk calculated using traditional methods and then again with the added dat…

This study looks at whether a special MRI scan that measures muscle health and frailty can predict death or the need for a liver transplant in people with liver disease. Researchers will follow 1,200 patients who are already getting an MRI for routine care. The goal is to see if …

This study is testing a virtual patient navigation program for 260 English, Chinese, or Spanish speakers with breast cancer or heart disease. The goal is to see if a phone-based portal can help underserved people get the support they need, even though it won't fully replace in-pe…

This early-stage study is testing how the drug TS-172 behaves in the bodies of people with mild or moderate liver impairment. Researchers will measure drug levels in the blood to see if liver function affects how the drug is processed. The study involves 24 Japanese adults and is…

This study looks at how liver congestion and scarring affect the way the body processes two common drugs, sildenafil and pravastatin, in people with Fontan circulation. Researchers will give a single dose of each drug to 15 participants aged 8 and older and measure drug levels in…

This study tracks 1,000 patients undergoing major liver, pancreas, or bile duct surgery to see if the time it takes for their albumin levels to return to normal can predict complications and length of hospital stay. Albumin is a protein that drops after surgery due to inflammatio…

This study looks at how the body handles a single dose of the cancer drug olverembatinib in people with normal vs. impaired liver function. Researchers will measure drug levels and safety in 48 adults. The goal is to understand if liver problems require dose adjustments.

This study follows over 10,000 Moroccan adults for 10 years after a heart screening. Researchers will track heart attacks, strokes, and heart-related deaths to build a risk score tailored to the Moroccan population. The goal is to better predict and prevent heart disease in Moroc…

This study is building a biobank of blood and tissue samples from 500 patients undergoing cardiac surgery. Researchers will analyze these samples to better understand the causes and progression of heart disease. The goal is to improve future diagnosis and treatment, but no new th…

This study looks at how a drug called LY3537031 moves through the body in people with mild, moderate, or severe liver problems compared to healthy volunteers. About 32 adults will receive a single injection under the skin. The goal is to understand how liver function affects drug…

This study aims to see if voice recordings from a smartphone can help detect heart disease. Researchers will collect voice samples and health data from up to 1 million adults using the Mayo Clinic app. No treatment is given; the goal is to gather information for future AI tools.

This study looks at the social and economic challenges faced by people with chronic liver disease, like trouble paying for food or housing. Researchers will survey 400 patients and their doctors at Indiana University Health to find out what needs are most common and how patients …

This study looks at medical records from 15,000 people to see how chronic liver diseases (like hepatitis, fatty liver, and cirrhosis) are linked to other health problems. Researchers will track new cases of liver cancer and complications over time. The goal is to better understan…

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

This study is testing whether a smartwatch, combined with artificial intelligence and remote doctor check-ins, can help detect heart issues like atrial fibrillation and unstable angina earlier than usual. Researchers at the University of Sao Paulo will enroll 520 adults with hear…

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