Clinical trial Recruiting at 2 sites Observational

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

Official title: Building of a Diagnostic/Prognostic Database by High-throughput Multiplexed Assays for Human ERG Variant Effects

Run by Nantes University Hospital · NCT06087367 · Data updated 2026-11-12

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.

More Long QT Syndrome trials

Quick facts

Study typeObservational
SexAll
Enrollment600 (estimated)
SponsorNantes University Hospital
Academic / other
Locations2 sites (Nantes, Loire-atlantique and 1 other locations)
StatusRecruiting
StartedSeptember 20, 2021
Main results expectedDecember 31, 2023
Study endsMarch 24, 2026
Registry record updatedMay 23, 2025
Trial IDNCT06087367 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are patients who carry a mutation in the KCNH2 gene.

Probably not a fit

Patients who do not have a mutation in the KCNH2 gene or refuse to participate in the research will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to build a comprehensive diagnostic and prognostic database focused on the effects of variants in the KCNH2 gene, which is linked to Long QT Syndrome. By utilizing Next Generation Sequencing, the study will analyze numerous KCNH2 variants to determine their functional significance and impact on heart rhythm disorders. The goal is to enhance understanding of these variants' pathogenicity, which is essential for accurate diagnosis and treatment planning for affected patients.

Why it matters

Potential benefit: If successful, this study could lead to improved diagnostic accuracy and personalized treatment options for patients with Long QT Syndrome.

How similar studies have gone: While there is ongoing research into KCNH2 variants, this specific approach to building a comprehensive database is relatively novel and has not been extensively tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients carrier of a mutation in KCNH2 gene

Exclusion Criteria:

* Patients who refuse to take part to research

Where it's running

  • Nantes university hospital
    Nantes, Loire-atlantique, France
    Recruiting
  • Hôpital Bichat - Claude Bernard
    Paris, France
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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  • 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

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  • 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.

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  • Comparing continuous and intermittent heart monitoring methods

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

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.