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Heart conditions in kids: study reveals impact on daily life and play

NCT ID NCT04712136

Knowledge-focused Sponsor: University Hospital, Montpellier Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how inherited heart rhythm problems (like Long QT Syndrome) and heart muscle diseases (like Hypertrophic Cardiomyopathy) affect the quality of life and physical activity of children aged 6 to 18. Researchers will compare 107 children with these conditions to 107 healthy children of the same age and gender. Participants wear a fitness tracker for two weeks and complete questionnaires to measure their well-being and activity levels.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help doctors better understand how these heart conditions affect daily life and activity in children, leading to improved support and care.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly change outcomes. Results may not apply to all children with these conditions.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

214 people

The number who actually took part.

Started

Feb 2021

Finished

Jun 2023

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

6 to 18 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male or female aged 6 to 18 years old. * Group 1: Patients with an inherited cardiac arrhythmia (long QT syndrome, Brugada syndrome, catecholaminergic polymorphic ventricular tachycardia, or arrhythmogenic right ventricular dysplasia), or those with an inherited cardiomyopathy (hypertrophic, dilated, or restrictive cardiomyopathy). * Group 2: Children with a completely normal check-up, referred to the paediatric cardiology consultation for a non-severe functional symptom linked to exercise (murmur, palpitation, or dyspnoea) or for a medical sports certificate. * Informed consent of parents or legal guardians, and oral assent of children Exclusion Criteria: * Patients who are not able to understand or fill out the questionnaires (QoL, physical activity and motivation questionnaires). * Absolute contraindications for CPET: fever, uncontrolled asthma, respiratory failure, acute myocarditis or pericarditis, uncontrolled arrhythmias causing symptoms or haemodynamic compromise, uncontrolled heart failure, acute pulmonary embolus or pulmonary infarction, and children with mental impairment leading to inability to cooperate. * Group 2: Children with any chronic disease, medical condition (cardiac, neurologic, respiratory, muscular, or renal), or medical treatment and those requiring any further specialized medical consultation.

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Conditions

The condition(s) this trial relates to.

arrhythmogenic right ventricular cardiomyopathy Brugada syndrome catecholaminergic polymorphic ventricular tachycardia dilated cardiomyopathy hypertrophic cardiomyopathy long QT syndrome Motor Activity Polymorphic Catecholaminergic Ventricular Tachycardia restrictive cardiomyopathy

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Arrhythmogenic right ventricular dysplasia Brugada syndrome Catecholaminergic polymorphic ventricular tachycardia Dilated cardiomyopathy Hypertrophic cardiomyopathy Long QT syndrome Restrictive cardiomyopathy

Contacts and locations

Locations

  • CHU Arnaud de Villeneuve

    Montpellier, Occitanie, 34090, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.