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Could a quick workout before lunch curb teen appetite?

NCT ID NCT03807609

Knowledge-focused Sponsor: University Hospital, Clermont-Ferrand 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 03, 2026 · Last updated Aug 04, 2026 · Updated 1 time

Summary

This study looks at whether doing exercise 30 minutes versus 180 minutes before lunch changes how much adolescents with obesity eat at that meal. Participants, aged 12-16, will cycle at a moderate intensity at one of those times, then eat a buffet lunch where their intake is measured. The goal is to see if exercise timing influences appetite and food reward, which could inform future weight management strategies.

What this could mean

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

Active substance
Exercise (cycling) at different times before a meal
What this could lead to
If timing matters, it could point to simple ways to help teens with obesity manage their appetite and food intake.
What could go wrong
This is a small, early study (15 participants) that measures short-term effects, so results may not apply broadly or lead to long-term changes.

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

15 people

The number who actually took part.

Started

Jan 2019

Finished

Mar 2019

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 16 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: * \- BMI percentile \> 97th percentile according to the french curves. * ages 12-16 years old * Signed consent form * being registered in the national social security system * no contraindication to physical activity Exclusion Criteria: * Previous surgical interventions that is considered as non-compatible with the study. * Diabetes * weight loss during the last 6 months * cardiovascular disease or risks

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Pediatric Obesity

As listed by the trial registrant

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

Pediatric obesity

Contacts and locations

Locations

  • Chu Clermont-Ferrand

    Clermont-Ferrand, 63003, France

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