Exercise and Neural Response to Food Cues in Children

NCT ID: NCT02100878

Last Updated: 2014-04-02

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Study Classification

OBSERVATIONAL

Study Start Date

2014-03-31

Study Completion Date

2015-03-31

Brief Summary

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Physical exercise has been shown to significantly reduce subsequent energy intake in obese adolescents but not in lean, without altering their appetite feelings. Although previous studies have pointed out the role of gastric peptides in this post exercise nutritional response, some recent work question the role of the neural system in the post exercise drive to eat. This study tends to explore whether or not an acute bout of exercise can affect the neural response to food cues in adolescents, obese or lean.

Detailed Description

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After a medical inclusion, the adolescents will have to realise a DXA to assess their body composition and a submaximal exercise to evaluate their aerobic capacities.

They will have then to enter the laboratory on 2 different occasions in a randomized order from 8am to 330pm: At 8am they will receive a calibrated breakfast. then, at 1045; they will have to complete one of the experimental condition: 1) a cycling exercise or 2) remaining sitting fpr one hour. after the one hour sitting station or the exercise bout, they will be asked to complete a computer task while and electroencephalogram will be recorded. This computer task consists in visual recognition of rare pictures compared to frequent ones (oddball method). at 1215 they will be offered ad libitum meals. At regular intervals through the day, their appetite feelings will be assessed using Visual analogue scales.

Ad libitum energy consumption will be assessed by investigators and recorded for each participants.

Conditions

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Exercise Condition (EX) Control Session (CON)

Study Design

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Observational Model Type

CASE_CROSSOVER

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Lean adolescents

No interventions assigned to this group

Obese adolescents

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* male
* 12-15 years old
* BMI defining obesity (Cole et al., 2000)
* Not being under diet restriction
* Information and consent forms have to be signed by the adolescent and his legal representative
* being registered to the national social security system

Exclusion Criteria

* Being under medication
* contraindication to exercise
* smokers
* dieting
Minimum Eligible Age

12 Years

Maximum Eligible Age

15 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Université Blaise Pascal, Clermont-Ferrand

OTHER

Sponsor Role lead

Responsible Party

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THIVEL David

Research Scientist

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Laboratory AME2P

Aubière, , France

Site Status

Countries

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France

Other Identifiers

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AU1107

Identifier Type: -

Identifier Source: org_study_id

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