Cardiomyopathy

This phase 2 trial tests whether a single dose of LX2006 gene therapy can improve heart muscle thickening and damage in people with Friedreich ataxia, a genetic disorder that often leads to life-threatening cardiomyopathy. Participants aged 6 and older with confirmed heart enlarg…

This trial tests an investigational medicine called ATR 1072 in adults with PRKAG2 syndrome, a genetic condition that causes abnormal heart muscle thickening and rhythm problems. The drug is designed to reduce the activity of the faulty PRKAG2 gene. Researchers are evaluating its…

This Phase 3 study tests a drug called nucresiran in 1250 people with ATTR amyloidosis, a rare disease where abnormal proteins damage the heart. Participants receive either nucresiran or a placebo every 6 months. The goal is to see if the drug reduces deaths and heart-related hos…

This study tests whether early heart screening and treatment for iron overload in people with sickle cell disease can prevent heart problems and reduce hospital stays. About 100 adults with sickle cell disease and high iron levels will receive regular heart imaging and follow-up …

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 a small device called C-MIC that is implanted without open-heart surgery to help people with heart failure. It includes 22 adults with weak heart pumping (ejection fraction between 25% and 50%) despite standard medications. The device delivers microcurrents to th…

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 the drug acoramidis in people with transthyretin amyloid cardiomyopathy (ATTR-CM), a condition where abnormal proteins build up in the heart, weakening it. Over 36 months, researchers measure whether acoramidis improves heart function and structure using cardiac …

This study tests whether adding a vein-injected alcohol treatment to the usual heart ablation procedure can better control dangerous heart rhythms in people with prior heart attacks. About 156 adults with an implanted defibrillator and recent episodes of rapid heartbeat will be r…

This study tests whether destroying small areas of heart muscle that cause dangerous rhythms (ventricular tachycardia ablation) during LVAD implant surgery can reduce the number of these rhythms after surgery. About 100 adults with advanced heart failure who are getting an LVAD w…

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

This early-stage trial tests a new cell therapy for people with heart failure caused by blocked arteries. The treatment uses the patient's own immune cells, engineered to target scar tissue in the heart. The study will check safety and whether it can improve heart function in 15 …

This early-stage trial tests a one-time gene therapy called RP-A701 in 8 adults with dilated cardiomyopathy caused by a faulty BAG3 gene. The therapy uses a harmless virus to deliver a working copy of the gene, aiming to improve heart function. The main goal is to check safety, b…

This study is testing a drug called mavacamten in adults with a type of heart disease called obstructive hypertrophic cardiomyopathy (HOCM) in Japan. The goal is to see if mavacamten can improve heart function and symptoms when added to their current treatment. About 36 participa…

This study looks at whether the heart medication Camzyos (Mavacamten) can improve blood flow to the heart muscle in people with hypertrophic obstructive cardiomyopathy (HOCM). Researchers will use special PET-CT scans to measure blood flow before and after 12 months of treatment.…

This study tests a gene therapy called RP-A501 in 14 males with Danon disease, a rare genetic condition that causes heart problems. The treatment uses a harmless virus to deliver a working copy of the LAMP2 gene, aiming to improve heart muscle function and reduce thickening. Part…

This study compares two approaches for people with ischemic cardiomyopathy (weak heart muscle due to blocked arteries) and multiple blocked vessels. One group gets optimal medical therapy alone, while the other also gets a heart artery procedure (PCI) guided by imaging and pressu…

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 early-stage trial tests a gene therapy called AAVrh.10hFXN for heart problems caused by Friedreich's ataxia, a rare genetic disease. The therapy delivers a working copy of the frataxin gene to help heart cells function better. 25 people aged 12 to 50 with heart involvement w…

This study tests a single dose of NTLA-2001, a gene-editing therapy, in 1200 adults with transthyretin amyloidosis with cardiomyopathy (ATTR-CM), a condition where abnormal protein builds up in the heart. The goal is to see if it reduces heart-related deaths and events compared t…

This study compares a single dose of targeted radiation (SBRT) to the standard catheter ablation procedure for reducing dangerous heart rhythms in people with advanced heart disease. Sixty participants will be randomly assigned to one of the two treatments. The main goal is to se…

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 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 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 using an AI tool (Ablation Index) during heart ablation can shorten the procedure for patients with ventricular tachycardia caused by prior heart attacks. About 100 adults with ischemic cardiomyopathy and scar-related VT will be randomly assigned to stand…

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

This 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 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 tests whether a newer type of CT scan, called photon-counting CT, can accurately measure blood flow to the heart muscle and detect scarring or fibrosis. Researchers will compare the CT results with cardiac MRI and invasive coronary angiography in 100 patients with aort…

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

This study tests whether artificial intelligence can help doctors interpret echocardiograms (heart ultrasounds) more accurately and quickly. Researchers at Mayo Clinic will deploy AI algorithms to flag signs of genetic cardiomyopathy, ischemic heart disease, and cardiac amyloidos…

This study is testing whether a simple, non-invasive sensor called photoplethysmography (PPG) — already found in many smartwatches — can accurately predict how well the heart pumps blood (ejection fraction) and other heart health measures. Researchers will have 500 adults wear a …

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

This study tests new, faster MRI techniques to get detailed images of the heart muscle in people with heart conditions like cardiomyopathy, myocarditis, and ischemic heart disease. The goal is to improve diagnosis and treatment planning. About 240 adults who already need a heart …

This phase 3 trial tests whether acoramidis can prevent or delay transthyretin amyloidosis (ATTR) in 587 adults who carry a faulty gene but have no symptoms yet. ATTR causes sticky plaques to build up in the heart and nerves, leading to heart failure and nerve damage. Acoramidis …

Researchers are testing a targeted ablation method for people with structural heart disease who have ventricular tachycardia, a dangerous fast heart rhythm. The procedure maps conducting channels inside heart scar tissue by pacing many sites, then uses radiofrequency energy to bl…

This study tests whether joining a virtual support group can help reduce anxiety in people who have had Takotsubo syndrome, also known as 'broken heart syndrome.' Participants meet online every other week for group therapy and education. The goal is to see if this support lowers …

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…

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

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

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

Immune checkpoint inhibitors help the body's immune system fight cancer, but in some patients they trigger dangerous heart inflammation and other cardiovascular problems. Researchers are combing through the World Health Organization's global drug safety database, two French natio…

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

This study will follow about 2000 adults with a heart condition called ATTR-CM, where abnormal proteins build up and weaken the heart. Researchers want to see how patients do on a drug called vutrisiran in everyday medical care, not just in a controlled trial. They will measure s…

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

This study follows 65 people with Friedreich ataxia who also have a thickened heart muscle (cardiomyopathy). Researchers will measure changes in heart structure over time using imaging. The goal is to better understand how heart disease progresses in this condition, which could h…

This study is testing a new paddle-shaped catheter designed to map the heart's electrical signals in people with various heart rhythm disorders like atrial fibrillation and ventricular tachycardia. The device has many sensors to create a detailed map of the heart's chambers. The …

This study will test how the heart drug empagliflozin is absorbed and processed in 10 children with Duchenne muscular dystrophy, ages 8 to 18. The goal is to find the best dose for protecting the heart in this rare disease. Participants will take the drug by mouth and have blood …

This observational study looks at how the heart recovers in people with severe heart failure who are supported by the Impella 5.5, a temporary heart pump, while waiting for a transplant. Researchers will track changes in heart function and size, as well as blood and tissue marker…

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

This study is looking at whether advanced heart imaging, especially cardiac MRI, can help identify the cause of cardiomyopathy and predict risks like death or heart failure in a diverse group of patients. The research focuses on adults in the Bronx, including many from Hispanic a…

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 aims to better understand heart disease in people with Friedreich's ataxia, a genetic disorder that affects coordination and often leads to life-threatening cardiomyopathy. Researchers will use cardiac MRI, echocardiograms, and exercise stress tests to measure heart fu…

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 study aims to understand how heart problems develop in people with Duchenne and Becker muscular dystrophy, as well as in carriers. Researchers will collect cardiac MRI scans and clinical data from 1,000 participants to build a registry. Using advanced image analysis and deep…

This study follows 60 people with Danon disease, a rare genetic heart condition, to learn how it progresses over time. Researchers will monitor heart function and symptoms in males aged 8 and older and females aged 8 to 50. The goal is to gather natural history data that could su…

This study aims to uncover the genetic causes of cardiomyopathy in children by analyzing DNA from affected individuals and their families. Researchers hope to identify mutations that lead to different types of cardiomyopathy, which could improve genetic counseling and deepen unde…

This study uses three wearable devices—a continuous glucose monitor, a heart monitor, and an activity tracker—to see if high blood sugar is linked to heart problems in people with Duchenne muscular dystrophy. Researchers will compare 80 participants with and without DMD. The goal…

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 investigates whether certain genetic variations make some people with atrial fibrillation more likely to develop a weakened heart muscle (cardiomyopathy). Researchers will compare the DNA of 299 participants, including those with AF-related cardiomyopathy and control g…

This study is looking for new genes and blood markers linked to arrhythmogenic cardiomyopathy (AVC), a genetic heart condition that can lead to heart failure and sudden cardiac arrest. Researchers will enroll 1,000 people, including patients with AVC or unexplained cardiac arrest…

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 aims to understand how different types of changes in the DMD gene are linked to heart problems in boys and young men with Duchenne or Becker muscular dystrophy. Researchers will use heart tests and blood samples to look for early signs of heart issues. The study involv…

This study is building a large online registry of 10,000 adults with cardiomyopathy or myocarditis, plus those with a strong family history. Researchers will track participants over time to see how many experience serious events like heart failure, dangerous heart rhythms, or dea…

This study aims to improve how doctors predict the risk of sudden cardiac death or heart failure in people with inherited heart diseases. Researchers will use artificial intelligence to analyze data from 1,000 participants, including medical history, ECGs, imaging, genetic tests,…

This study aims to describe how a genetic heart condition called PKP2-ACM naturally progresses over time in people who receive standard care. Researchers will monitor heart rhythm, biomarkers, and quality of life in 36 participants aged 12 and older. The goal is to better underst…

This study is looking at 400 people with weak hearts who are getting an implantable defibrillator (ICD) to prevent sudden cardiac death. Researchers want to see if detailed heart MRI scans can find structural problems that better predict who will actually have a dangerous heart r…

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 testing advanced heart MRI scans to better diagnose and predict risks for people with rare heart muscle diseases. Researchers will scan 1000 participants to see if these new imaging methods can identify conditions like Fabry disease and cardiac amyloidosis more accu…

This study looks at heart tissue samples from 216 adults who already need a biopsy as part of their care. Researchers want to find unique molecular patterns in different heart conditions, including after a heart transplant. The goal is to improve how these diseases are diagnosed …

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

This study 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 will test if wearable devices like continuous glucose monitors and heart rate monitors can help detect early signs of heart problems in people with Duchenne muscular dystrophy (DMD). Ten participants will wear these devices at home over two years and have periodic hear…

This study is for adults with a weak heart muscle and a leaky mitral valve (functional mitral regurgitation). Researchers will use advanced MRI scans to better predict which treatments—medication or a minimally invasive valve repair—will work best for each person. The goal is to …

This study aims to find the genes that cause inherited heart and muscle diseases like cardiomyopathy, arrhythmias, and muscular dystrophy. Researchers will collect blood samples from up to 2,000 patients and their families to look for genetic mutations. The goal is to better unde…

This study from Mayo Clinic looks for genetic heart conditions in people with epilepsy that might raise the risk of sudden unexpected death (SUDEP). Researchers will analyze DNA from 600 adults aged 18-50 with epilepsy or related symptoms, plus their blood relatives. The goal is …

This study looks at whether CAR-T cell therapy, a new immunotherapy for blood cancers like leukemia and lymphoma, can cause early heart problems. Researchers will measure heart function with ultrasound before and a few days after treatment in 60 patients. The goal is to find out …