Physical Activity Program and Energy Intake Control in Obese Adolescents

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

70 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-06-30

Study Completion Date

2017-12-31

Brief Summary

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Acute exercise of high intensity has been shown to induced nutritional adaptations in obese adolescents. Indeed, several studies have shown that about 30 minutes of intensive exercise (above 70% of the adolescents maximal aerobic capacities) can favor reduced-energy consumption at the following meal with no modification of their appetite feelings. Although it is suggested that chronic physical activity programs can induce energy intake modifications, this has never been clearly studied. The aim of this work is to compare different physical activity programs (low vs. high intensity programs) in terms of energy intake, appetite feelings and appetite-regulating hormones, in obese adolescents.

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Detailed Description

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After an first medical visit to ensure that the adolescents have the ability to complete the whole study, the participants will have to complete several clinical examinations:

* anthropometric measurements
* Body composition assessed by DXA
* Maximal aerobic test
* Blood samples (appetite-regulating hormones)
* daily energy intake assessment during a 24h intake exploration.

The adolescents recruited will then be randomly assigned to one of the two intervention groups:

\- High Intensity program or moderate intensity program. Those two physical activity programs will last 4-months and will be composed of 3 to 4 exercise sessions per week. The High intensity program will consists in High intensity interval exercises starting at 70% of the adolescents' capacities at the beginning to end around 95%. The moderate intensity program will propose continuous exercises set between 50-65% VO2max.

No energy intake intervention will be performed.

By the end of the 4-months intervention, all the clinical examinations performed before the intervention will be repeated.

Conditions

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Pediatric Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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High intensity

in this group, the participants will follow a high intensity physical activity program (High Intensity Interval exercise from 75 to 95% VO2max)

Group Type EXPERIMENTAL

Physical activity intervention

Intervention Type BEHAVIORAL

Moderate intensity

in this group, the participants will follow a moderate intensity physical activity program (Intensity from 50 to 65% VO2max)

Group Type EXPERIMENTAL

Physical activity intervention

Intervention Type BEHAVIORAL

Interventions

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Physical activity intervention

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* 12 to 15 years old adolescents
* Obese according to international values for BMI
* Being registered to the national social security insurance
* no eating disorders
* no medications
* metabolic disorders