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Teen obesity linked to brain changes in emotional memory

NCT ID NCT03776513

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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how being obese as a teenager might affect emotional memory and the connections between two key brain areas: the amygdala and hippocampus. Researchers compared obese and normal-weight adolescents aged 12-17 using MRI scans while they performed memory tasks. The goal was to understand if obesity during this critical developmental period alters brain function related to emotions and memory.

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

30 people

The number who actually took part.

Started

Dec 2018

Finished

Feb 2020

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

12 to 17 years

Sex

Male participants only

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: * Experimental group: 12-17 years old boys, BMI\>30 (according to IOTF), right-handed, French secondary school, beneficiary of social security, consent of the holders of parental authority. * Control group: 12-17 years old boys, BMI\<25 (according to IOTF), right-handed, French secondary school, beneficiary of social security, consent of the holders of parental authority. Exclusion Criteria: * Adolescent with pubertal stage of Tanner \<2 * Adolescent with known visual or auditory difficulties * Adolescent with a known chronic pathology requiring medication * Adolescent with psychotic, neurodevelopmental or substance use disorder * Adolescent who may have a contraindication to the MRI examination (presence in the body of metallic prostheses, pacemaker, metal chips, claustrophobia).

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Conditions

The condition(s) this trial relates to.

Behavior Obesity obesity disorder Pediatric Obesity

As listed by the trial registrant

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

Behavior and behavior mechanisms Emotions Pediatric obesity

Contacts and locations

Locations

  • Bordeaux University Hospital

    Bordeaux, 33079, France

More trials for these conditions

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