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Scientists hunt for missing genes behind childhood obesity and intellectual disability

NCT ID NCT01043198

Knowledge-focused Sponsor: University Hospital, Bordeaux 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 examined 90 children with obesity and additional features like intellectual disability or birth defects, whose genetic cause was unknown. Researchers used a special DNA test to look for tiny missing or extra pieces of chromosomes. The goal was to find new genes that may contribute to obesity, which could lead to better understanding and future treatments.

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

90 people

The number who actually took part.

Start date

Feb 2010

Finished

Jan 2011

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

Up to 18 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * children (under 18 year-old) * obesity (following IOTF definition) * at least one criteria among : * mental retardation * facial dysmorphism * at least one major malformation (uro-genital, cardiac, skeletal, cerebral, ophthalmologic…) Exclusion Criteria: * common obesity * obesity with an identified aetiology

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Conditions

The condition(s) this trial relates to.

Chromosome Aberrations intellectual disability Obesity

As listed by the trial registrant

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

Mental retardation Syndromic obesity

Contacts and locations

Locations

  • Centre de Génétique Hôpital d'Enfants CHU de Dijon

    Dijon, 21079, France

  • Département de Génétique Hôpital Robert DEBRE Centre de Référence Maladies Rares "Anomalies du Développement & Syndromes Malformatifs"

    Paris, 75019, France

  • Département de Génétique Médicale Centre de référence anomalies du développement Centre de compétence maladies osseuses constitutionnelles Hôpital Arnaud de Villeneuve CHRU Montpellier

    Montpellier, 34295, France

  • Génétique Médicale HOPITAL DEBROUSSE HCL

    Lyon, 69005, France

  • Hopital des Enfants, CHU de Toulouse

    Toulouse, 31059, France

  • Service de Génétique de médicale - Hopital des enfants - Pellegrin

    Bordeaux, 33076, France

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