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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04364061
Other study ID # IRB00012476-2020-24-03-50
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date November 1, 2019
Est. completion date April 1, 2020

Study information

Verified date April 2020
Source Laboratoire des Adaptations Métaboliques à l'Exercice en conditions Physiologiques et Pathologiques
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

High-intensity interval exercise (HIIT), as compared to moderate intensity continuous training (MICT), is a time-efficient strategy to decrease total and abdominal fat mass (FM). However, the mechanisms underlying such adaptations are not yet elucidated and research are still needed to establish the optimal HIIT according to subject characteristics. The aim of this study was to compare acute HIIE and MICE cycling exercises on enjoyment, post-exercise substrate oxidation, appetite and energy intakes over 24h in postmenopausal women with overweight or obesity. It is hypothesized that compared with the traditional MICE, HIIE could favor greater enjoyment, higher 2h-post-exercise fat oxidation and a similar energy intakes over 24h despite different post-exercise appetite perceptions.


Description:

The aim of this study was to compare acute HIIE and MICE cycling exercises on enjoyment, post-exercise substrate oxidation, and appetite and energy intakes over 24h in postmenopausal women with overweight or obesity.

Using a randomized crossover design, 12 postmenopausal women completed 3 cycling exercises at 6-days intervals:

i) Moderate Intensity Continuous Exercise (MICE) which consisted of 35 min cycling at 60-65% theorical Peak Heart Rate (thPHR) ii) High Intensity Interval Exercise 1 (HIIE 1) 60 cycles of speeding up for 8 s at 80-90%thPHR followed by pedaling slowly for 12 s (20min) iii) High Intensity Interval Exercise 2 (HIIE 2) which consisted of repeated 10 x 1min at 80-90% thPHR followed by pedaling slowly for 1min.

Substrate oxidation (CHO and FAT) were measured at rest and 2h- post exercise. Enjoyment, perceived exertion and appetite were recorded and post-exercise energy intakes were assessed over 24h.


Recruitment information / eligibility

Status Completed
Enrollment 12
Est. completion date April 1, 2020
Est. primary completion date April 1, 2020
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 50 Years to 75 Years
Eligibility Inclusion Criteria:

- postmenopausal women (spontaneous amenorrhea for at least 12 months)

- with overweight or obesity (BMI > 25 kg/m2 and = 40 kg/m2)

Exclusion Criteria:

- medical contraindications to intense physical activity,

- painful joints,

- taking hormone replacement therapy,

- taking B-blockers.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Moderate Intensity Continuous Exercise
Participant completed a moderate intensity continuous cycling exercise (MICE) during 35 min at 60-65% thPHRmax
High-Intensity Interval Exercise (1)
Participant completed a high-intensity interval cycling exercise (HIIE 1) during 20min with 60 cycles of speeding up for 8s and pedaling slowly for 12s at 80-90% thPHRmax
High-Intensity Interval Exercise (2)
Participant completed a high-intensity interval cycling exercise (HIIE 2) during 20min with 10 x 1-min bouts at 80-90% thPHRmax, separated by 1-min recovery bouts

Locations

Country Name City State
France CREPS Auvergne Rhône-Alpes / Vichy Bellerive-sur-Allier Allier

Sponsors (2)

Lead Sponsor Collaborator
Laboratoire des Adaptations Métaboliques à l'Exercice en conditions Physiologiques et Pathologiques CREPS Auvergne Rhône-Alpes / Vichy

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Post-exercise (2 hours) CHO and FAT oxidation CHO and FAT oxidation were measured after each modality with indirect calorimetry during 2 hours post-exercise 2 hours post-exercise
Secondary Enjoyment Perceive enjoyment evaluated with Physical Activity Enjoyment Scale (PAES) for each modalities. The total scores of PAES are between 18 and 126 with the higher scores indicating greater enjoyment. Immediately post-exercise
Secondary Rate Perceive Exertion (RPE) RPE evaluated with adapted Borg's Scale during exercise for each modalities During exercise (5-10-15 and 20 minutes for HIIE1 and 2 ; 9-18-27 and 35 minutes for MICE) which corresponds at 25-50-75 and 100% of bout completion.
Secondary Appetite The validated 100 millimeters Visual Analogue Scale (VAS) was used to assess the subjective appetite at 4 time points: before, immediately post-exercise, 60 minutes and 120 minutes post-exercise. This scale comprised four questions anchored with words representing the opposing extreme states of desire to eat, hunger, fullness and prospective food consumption. The score of each question are between 0 and 100. Before, immediately post-exercise, 60 minutes and 120 minutes post-exercise
Secondary Energy intakes Estimated energy intakes using dietary questionnaires 24 hours post-exercise
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