Myocarditis
MONDO:0004496Myocarditis is a condition that is characterized by inflammation of the heart muscle (myocardium). Some affected people have no noticeable symptoms of the condition. When present, signs and symptoms may include chest pain, abnormal heartbeat, shortness of breath, fatigue, signs of infection (i.e. fever, headache, sore throat, diarrhea), and leg swelling. Myocarditis can be caused by a variety of factors including infections (viral, bacterial, parasitic, and fungal), allergic reactions to certain medications, and exposure to certain chemicals. It can also be associated with other inflammatory conditions such as lupus, Wegener's granulomatosis, giant cell arteritis and Takayasu's arteritis. Most cases occur sporadically in people with no family history of the condition. Treatment aims to address the underlying cause of the condition. Medications and rarely, a heart transplant may be needed if the heart muscle becomes weak.
Also known as: inflammation of myocardium, myocardial inflammation (finding), myocardium inflammation
54 clinical trials for this condition and its sub-types.
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Broader categories
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Old gout drug may tame deadly heart inflammation
Disease control Recruiting nowThis 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…
Phase: PHASE3 • Sponsor: Niguarda Hospital • Aim: Disease control
Last updated Jun 27, 2026 12:09 UTC
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Could a common gout drug protect hearts from myocarditis?
Disease control Recruiting nowThis Phase 3 trial tests whether colchicine, an anti-inflammatory drug, can reduce heart scarring and prevent complications in 300 people with acute myocarditis (heart inflammation). Participants receive colchicine or a placebo for six months alongside standard care. The goal is …
Phase: PHASE3 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 09:08 UTC
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Common painkiller ibuprofen tested as treatment for heart inflammation
Disease control Recruiting nowThis clinical trial is testing whether a 3-week course of ibuprofen can reduce heart scarring better than standard acetaminophen in people hospitalized with acute myocarditis (heart muscle inflammation). The study will enroll 150 adults with mild cases (normal heart pumping funct…
Phase: PHASE3 • Sponsor: Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III • Aim: Disease control
Last updated Jun 27, 2026 09:05 UTC
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New drug aims to shield hearts from cancer treatment side effect
Disease control Recruiting nowThis phase 3 trial tests whether abatacept (Orencia) can reduce major heart complications in cancer patients who develop myocarditis (heart inflammation) from immune checkpoint inhibitors. About 390 hospitalized adults will receive either abatacept or placebo plus standard care. …
Phase: PHASE3 • Sponsor: Massachusetts General Hospital • Aim: Disease control
Last updated Jun 26, 2026 16:21 UTC
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New scan could spot hidden heart inflammation early
Diagnosis Recruiting nowThis study is testing whether a special PET/CT scan using a tracer called PentixaFor can accurately detect acute inflammation in the heart. It focuses on three conditions: heart transplant rejection, cardiac sarcoidosis, and myocarditis caused by cancer drugs. Researchers will en…
Phase: PHASE2 • Sponsor: John O. Prior • Aim: Diagnosis
Last updated Jun 27, 2026 12:31 UTC
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Heart MRI upgrade could spot damage faster
Diagnosis Recruiting nowThis 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 …
Phase: NA • Sponsor: Medical University of South Carolina • Aim: Diagnosis
Last updated Jun 27, 2026 07:56 UTC
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Heart scans may unlock hidden risks in minority communities
Knowledge-focused Recruiting nowThis 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…
Sponsor: Montefiore Medical Center • Aim: Knowledge-focused
Last updated Aug 12, 2026 00:00 UTC
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New MRI scan could spot heart problems earlier
Knowledge-focused Recruiting nowThis 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…
Sponsor: Second Affiliated Hospital, School of Medicine, Zhejiang University • Aim: Knowledge-focused
Last updated Jul 30, 2026 00:00 UTC
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Global study aims to uncover best treatments for Immunotherapy-Linked heart condition
Knowledge-focused Recruiting nowATROPOS is an international study collecting data from 1,500 cancer patients who developed heart inflammation (myocarditis) after receiving immune checkpoint inhibitors. Researchers will analyze how different immunosuppressive treatments, such as steroids, affect survival rates a…
Sponsor: Groupe Hospitalier Pitie-Salpetriere • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:07 UTC
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5,000 patients to help unlock secrets of inflammatory heart disease
Knowledge-focused Recruiting nowThis study aims to learn how well heart scans (MRI, ultrasound, PET) can detect and predict outcomes in people with suspected or known inflammatory heart diseases. Researchers will follow 5,000 adults for one year to see how often heart involvement is confirmed and how it affects…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:02 UTC
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10,000 heart patients join landmark exercise echo study
Knowledge-focused Recruiting nowThis study is a large registry that will collect information from 10,000 adults who undergo exercise echocardiography (a heart ultrasound during exercise) as part of their regular care. The goal is to better understand how the heart works during exercise in people with various he…
Sponsor: Yonsei University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:37 UTC
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Scientists hunt for genes behind rare COVID-19 vaccine reactions.
Knowledge-focused Recruiting nowThis study is looking for genetic clues that might explain why a very small number of people develop rare side effects like Guillain-Barré syndrome, blood clots with low platelets, or heart inflammation after a COVID-19 vaccine. Researchers will compare the DNA of people who had …
Sponsor: University of British Columbia • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:28 UTC
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Heart disease detective: 1,000-Person study hunts for hidden genetic triggers of sudden cardiac death
Knowledge-focused Recruiting nowThis 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…
Sponsor: Mayo Clinic • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:25 UTC
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New imaging study aims to uncover hidden inflammation in genetic heart disease
Knowledge-focused Recruiting nowThis study is looking at 80 people with a genetic heart condition called arrhythmogenic cardiomyopathy, which can cause sudden cardiac death. Researchers will use a special PET-MRI scan to see if there is inflammation in the heart muscle, which is hard to detect with standard tes…
Sponsor: Nantes University Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:09 UTC
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10,000 heart patients join online registry to unlock secrets of cardiomyopathy
Knowledge-focused Recruiting nowThis 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…
Sponsor: Imperial College London • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:01 UTC
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AI could help predict sudden cardiac death in hereditary heart disease patients
Knowledge-focused Recruiting nowThis 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,…
Sponsor: Nantes University Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:00 UTC
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New study tracks rare heart side effects of COVID-19 shots
Knowledge-focused Recruiting nowThis study looks at people who developed heart inflammation (myocarditis or pericarditis) after getting a COVID-19 vaccine. Researchers will review medical records and follow up with 400 participants for up to 4 years to understand long-term health effects. The goal is to learn m…
Sponsor: Ottawa Heart Institute Research Corporation • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:00 UTC
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Can we predict who will die suddenly from heart problems?
Knowledge-focused Recruiting nowThis 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…
Sponsor: Johns Hopkins University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:13 UTC
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Heart tissue analysis aims to unlock better diagnosis
Knowledge-focused Recruiting nowThis 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 …
Sponsor: University Hospital, Essen • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:12 UTC
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New heart MRI study could simplify diagnosis without dye
Knowledge-focused Recruiting nowThis study will use cardiac MRI scans to measure heart tissue in 2000 people with various heart conditions, such as heart attacks, cardiomyopathies, and myocarditis. The goal is to create a reference map of normal and abnormal tissue values, which may help doctors diagnose diseas…
Sponsor: Chinese Academy of Medical Sciences, Fuwai Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:12 UTC
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Heart MRI breakthrough could spot hidden risks in thousands
Knowledge-focused Recruiting nowThis 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…
Sponsor: Johann Wolfgang Goethe University Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:08 UTC
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Blood antibodies may predict heart failure risk after viral infection
Knowledge-focused Recruiting nowThis study is looking at whether certain antibodies in the blood can help predict which patients with acute viral myocarditis (heart inflammation caused by a virus) will go on to develop dilated cardiomyopathy (a weakened, enlarged heart). Researchers will measure two specific an…
Sponsor: Union Hospital, Tongji Medical College, Huazhong University of Science and Technology • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC
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Scientists hunt for genetic clues to deadly heart side effect of cancer drugs
Knowledge-focused Recruiting nowThis study aims to find genetic differences that make some cancer patients more likely to develop a rare but life-threatening heart inflammation (myocarditis) from immune checkpoint inhibitors. Researchers will compare the DNA of 100 patients who had this side effect with 400 who…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:59 UTC
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Blood test may reveal hidden danger after heart attack
Knowledge-focused Recruiting nowThis study looks at 1,600 people who recently had a heart attack to see if a common blood test (the neutrophil-to-lymphocyte ratio, or NLR) can help predict who is at higher risk of dying or having another heart problem within 6 months. Researchers will measure NLR from blood sam…
Sponsor: University Hospital Centre Mother Teresa • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:53 UTC