Effect of Exercise Timing on Energy Intake and Appetite in Adolescents With Obesity: the TIMEX 3 Study
TIMEX 3
1 other identifier
interventional
18
1 country
1
Brief Summary
The aim of the present study is to compare the effect of the timing (30 vs. 90 minutes) between a fixed exercise and the following test meal on energy intake, appetite feelings and food reward in adolescents with obesity.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Aug 2019
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 29, 2019
CompletedFirst Posted
Study publicly available on registry
May 30, 2019
CompletedStudy Start
First participant enrolled
August 31, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 29, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
October 30, 2019
CompletedJuly 10, 2025
October 1, 2019
29 days
April 29, 2019
July 9, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change of energy intake measured during an ad libitum buffet meal (in kcal).
Change of food intake will be measured ad libitum during a lunch buffet. The adolescents will be offered an ad libitum buffet-type meal composed based on their food intake preferences. Their intake will be weighted using an electronic food scale by a member of the investigation team and then analysed using Bilnuts software.
day 1 , day 8, day 15
Secondary Outcomes (2)
Hunger feelings
day 1 , day 8, day 15
Food reward
day 1 , day 8, day 15
Study Arms (1)
Obese adolescents
EXPERIMENTAL18 adolescents with obesity are involved and will perform the three conditions.
Interventions
. Control condition without exercise / rest condition. The adolescents will be asked to remain quiet and at rest during the morning and will receive an ad libitum meal at lunch and dinner times. Their food reward will be assessed before and after lunch. Their appetite feelings will be assessed at regular intervals.
Condition with an acute exercise set 30 minutes before lunch The adolescents will be asked to complete a 30 minutes exercise set at 65% of their capacities (cycling), 30 minutes before lunch. Lunch will be served ad libitum as well as diner. Their food reward will be assessed before and after lunch. Their appetite feelings will be assessed at regular intervals.
condition with an acute exercise set 90 minutes before lunch. The adolescents will be asked to complete a 30 minutes exercise set at 65% of their capacities (cycling), 30 minutes before lunch. Lunch will be served ad libitum as well as diner. Their food reward will be assessed before and after lunch. Their appetite feelings will be assessed at regular intervals.
Eligibility Criteria
You may qualify if:
- 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
You may not qualify if:
- Previous surgical interventions that is considered as non-compatible with the study.
- Diabetes
- weight loss during the last 6 months
- cardiovascular disease or risks
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
CHU de Clermont-Ferrand
Clermont-Ferrand, 63000, France
Related Publications (1)
Moore H, Pereira B, Fillon A, Miguet M, Masurier J, Beaulieu K, Finlayson G, Thivel D. The association between obesity severity and food reward in adolescents with obesity: a one-stage individual participant data meta-analysis. Eur J Nutr. 2024 Jun;63(4):1241-1255. doi: 10.1007/s00394-024-03348-4. Epub 2024 Feb 20.
PMID: 38376518DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
yves Boirie
University Hospital, Clermont-Ferrand
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 29, 2019
First Posted
May 30, 2019
Study Start
August 31, 2019
Primary Completion
September 29, 2019
Study Completion
October 30, 2019
Last Updated
July 10, 2025
Record last verified: 2019-10