Condition

Long QT Syndrome clinical trials and research

• 8Clinical trials
• 5Countries

Newest Long QT Syndrome clinical trials

All recruiting trials (8)

• AI-powered ECG tools to detect deadly heart rhythms and ICI-related myocarditis

  Researchers are testing AI-powered analysis of ECG data to see if it can help flag dangerous arrhythmias and myocarditis in people who may be affected by immune checkpoint inhibitors.

  Recruiting Groupe Hospitalier Pitie-Salpetriere · Paris · NCT07644715

• Monitoring Long QT Syndrome with Wearable Devices

  This study tests if using wearable devices to track heart activity can help adults with Long QT syndrome manage their condition better.

  Recruiting Queen Mary University of London · London · NCT06887387

• Registry for hereditary cardiovascular diseases in Brazil

  This study is trying to create a registry of Brazilian patients with hereditary heart diseases to see how common certain genetic changes are in people with these conditions.

  Recruiting at 27 sites Hospital do Coracao · Rio Branco, Acre and 26 other locations · NCT06546137

• Creating a database to understand the effects of KCNH2 gene variants in Long QT Syndrome

  This study is trying to create a database to help understand how changes in the KCNH2 gene affect people with Long QT Syndrome and improve their diagnosis and treatment.

  Recruiting at 2 sites Nantes University Hospital · Nantes, Loire-atlantique and 1 other locations · NCT06087367

• Long-term outcomes for patients with cardiac arrhythmias

  This study looks at how well treatments for heart rhythm problems work over time and what factors might affect their success for patients with conditions like atrial fibrillation and ventricular tachycardia.

  Recruiting Universitätsklinikum Hamburg-Eppendorf · Hamburg · NCT05521451

• Comparing direct and indirect methods for screening family members at risk for genetic conditions

  This study is testing two ways to reach out to family members at risk for Long QT Syndrome and Familial Hypercholesterolemia to see which method helps them get screened better, while also offering free genetic testing and counseling.

  Recruiting University of Maryland, Baltimore · Lancaster, Pennsylvania · NCT05348564

• Comparing continuous and intermittent heart monitoring methods

  This study is testing a new continuous heart monitoring patch to see if it works better than regular heart tests for patients with certain heart conditions who are taking medications that might cause problems.

  Recruiting Washington University School of Medicine · St Louis, Missouri · NCT04336644

• Monitoring fetal heart activity in high-risk pregnancies to prevent stillbirth

  This study is testing a new way to monitor fetal heart activity in high-risk pregnancies to see if it can help prevent stillbirth.

  Recruiting at 2 sites Medical College of Wisconsin · Madison, Wisconsin and 1 other locations · NCT03775954

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Quick answers

How many Long QT Syndrome clinical trials are recruiting right now?

8, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 5 countries. The most sites are in United States (3 trials), France (2 trials), United Kingdom (1 trial), Germany (1 trial), Brazil (1 trial). Each study page lists its sites and which ones are recruiting.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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