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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04107545
Other study ID # RBHP 2019 DUCLOS
Secondary ID 2019-A00699-48
Status Completed
Phase N/A
First received
Last updated
Start date May 3, 2021
Est. completion date December 12, 2023

Study information

Verified date March 2024
Source University Hospital, Clermont-Ferrand
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Many elite athletes are submitted to frequent rapid weight loss periods to meet their competition weight category and then experience weight cycling (lowing and gaining weight regularly). This weight cycling induce severe temporary energetic and metabolic changes and when repeated over time can lead to permanent metabolic adaptations that might favor metabolic disorders, body weight gain and body composition changes (favoring fat mass). The exact effects of this weight cycling are not clear yet, especially in terms of metabolic, energetics, nutritional functional and psychological impacts. Better understand these adaptations and their variations during weight loss and weight gain in regular weight cycler is of main importance to prevent these athletes for future health issues. The aim of the present project if to assess these metabolic, functional, energetic and nutritional adaptations during weight loss, weight stable and weight gain periods in athletes experiencing regular weight cycling.


Description:

After an inclusion visit to ensure the eligibility of athletes to complete the entire study, each subject will perform 3 experimental sessions of 2 visits each : i) two visits during a period of maintenance of body weight (CON); ii) two visits during weight loss (WL); iii) two visits during a weight regain (WG). The order of the periods (maintenance, loss or weight gain) will depend on the dynamics of the weight variations of each athlete (endurance sport and weight class) during the season and will therefore be individualized. All experiments will be conducted in the same way for the CON, WL or WG session. Upon arrival, each subject will perform a resting metabolism with continuous measurement of heart rate variability (≈ 30 min). Then, from 8:30, blood and saliva samples will be taken (≈ 10 min). Then (≈ 8:45), they will perform anthropometric and body composition measurements (waist circumference, hip circumference, bioimpedance, DXA) (≈ 30 min). Following these measurements (≈ 9:15), the subjects will eat a standardized breakfast and the report to food will be evaluated thanks to the Leeds Foods Preference Questionnaire before and after the meal. They will then be asked (≈ 10h) to complete the Profile of Mood State Questionnaire to measure the athlete's psychological state. Participants will then perform a measurement of muscle function (≈ 10:30). During the second visit, carried out between 1 and 5 days after the first visit, the maximum aerobic capacity of the athletes will be evaluated by mid-morning stress test.


Recruitment information / eligibility

Status Completed
Enrollment 48
Est. completion date December 12, 2023
Est. primary completion date December 12, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 35 Years
Eligibility Inclusion Criteria: - Subjects aged 18 to 35 (inclusive), - exercising at least 4 sessions of endurance or weight-based sporting activities per week for a performance objective, - having variations of at least 5% of their weight body during the last 3 sporting seasons (a sporting season corresponds to a year during which alternates the periods of training, recovery and participation in official competitions). - Subject capable of providing informed consent to participate - Subject with a social security insurance. Exclusion Criteria: - Medical or surgical history deemed by the investigator to be incompatible with the study. - Presence of chronic pathology. - Disorders of eating behavior. - Subjects born very prematurely defined as a pregnancy inferior to 28 weeks. - Subjects having used a treatment for a small stature (eg growth hormone). - For women: irregular menstruation (changes in menstrual cycles = 6 days). - Sports subjects with a stable weight during the last three sporting seasons (weight variation <5%). - Take medication that can change body temperature. - Pregnant or lactating women. - Subjects with gastrointestinal complications and / or contraindications to ingestion of the capsule (eg diverticulosis, inflammatory bowel disease, gastrointestinal surgery ...). - Subjects needing MRI during ingestion of the capsule or having a pacemaker or other implanted electro-medical device. - Person under guardianship or not subject to a social security scheme. - Refusal to sign the information and consent leaflet. - Refusal of participation

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
athletes
Control of body temperature using the bodyCap temperature monitor that records body temperature for up to 48h (three times)

Locations

Country Name City State
France Chu Clermont Ferrand Clermont-Ferrand

Sponsors (4)

Lead Sponsor Collaborator
University Hospital, Clermont-Ferrand Laboratoire AME2P, Université de Fribourg, Department of Endocrinology, Metabolism and Cardiovascular System, University of Leeds, Appetite Control and Energy Balance Research

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Body temperature body temperature will be assessed using the bodyCap temperature monitor that records body temperature for up to 48h. this will be assessed for 24h on the three different phase (i) period of maintenance of body weight (CON); ii) two visits during weight loss (WL); iii) two visits during a weight regain (WG).) Day 1 , Day 60 , Day 90
Secondary Body fat mass the percentage of body fat will be assessed using X-ray absorptiometry (DXA)
. This will be assessed on the three different phase (i) period of maintenance of body weight (CON); ii) two visits during weight loss (WL); iii) two visits during a weight regain (WG).)
Day 1 , Day 60 , Day 90
Secondary Body fat free mass the percentage of body fat free will be assessed using X-ray absorptiometry (DXA)
. This will be assessed on the three different phase (i) period of maintenance of body weight (CON); ii) two visits during weight loss (WL); iii) two visits during a weight regain (WG).)
Day 1 , Day 60 , Day 90
Secondary Food reward The participants will be asked to complete a validated computer-based procedure to measure food reward (Leeds Food Preference Questionnaire; LFPQ) (Finlayson, King et al. 2008). This will be assessed on the three different phase (i) period of maintenance of body weight (CON); ii) two visits during weight loss (WL); iii) two visits during a weight regain (WG).) Day 1 , Day 60 , Day 90
Secondary Basal Metabolic rate the resting energy expenditure will be assessed at rest during 30 minutes using indirect calorimetry (COSMED Fitmate Pro) Day 1 , Day 60 , Day 90
Secondary Cortisol Cortisol concentrations will be assessed in the fasting state using salivary sample. Day 1 , Day 60 , Day 90
Secondary Measure of insulin mlUI/L Insulin concentrations will be assessed in the fasting state using blood sample. Day 1 , Day 60 , Day 90
Secondary Measure of glucose g/L Glucose concentrations will be assessed in the fasting state using blood sample. Day 1 , Day 60 , Day 90
Secondary Measure of triglycerides g/L triglycerides concentrations will be assessed in the fasting state using blood sample. Day 1 , Day 60 , Day 90
Secondary Measure of LDL g/L LDL concentrations will be assessed in the fasting state using blood sample. Day 1 , Day 60 , Day 90
Secondary Measure of HDL g/L HDL concentrations will be assessed in the fasting state using blood sample. Day 1 , Day 60 , Day 90
Secondary Measure of cholesterol g/L cholesterol concentrations will be assessed in the fasting state using blood sample. Day 1 , Day 60 , Day 90
Secondary Psychological profile The psychological profile of the athletes will be assessed using the Profile of Mood state questionnaire that is a self-reported short pain and paper questionnaire. Day 1 , Day 60 , Day 90
Secondary Muscle strength the muscle strength (in watt) will be assessed during a forced isometric contraction on a biodex. Day 1 , Day 60 , Day 90
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