Effects of Early Time Restricted Eating on Muscle Performance in Resistance Trained Individuals

NCT ID: NCT05908201

Last Updated: 2023-06-18

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

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-02-20

Study Completion Date

2024-05-31

Brief Summary

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A randomized controlled trial to determine the effectiveness of early time-restricted eating on muscle performance and body composition in active, resistance trained adults. Two parallel groups will be randomly assigned to either the early time-restricted eating or a control group. All participants will be asked to maintain their usual exercise routines during the 6 week intervention period. Muscle strength and endurance are the primary outcomes. Body composition (body weight, fat mass, fat-free mass and percent body fat), hunger and satiety ratings, sleep quality, energy intake, diet quality, macronutrient composition and adherence are secondary outcome measures.

Detailed Description

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Conditions

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Time Restricted Eating

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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early time-restricted eating

The Early Time Restricted Eating (eTRE) group will be asked to consume calorie containing food or drinks only between 9am to 5pm, daily. At other times they are to avoid consuming any calorie containing food or drinks.

Group Type EXPERIMENTAL

early time restricted eating

Intervention Type BEHAVIORAL

The intervention group will eat in a prescribed daily feeding window (9am-5pm) and follow their normal exercise and resistance training routines. We will allow up till +/-1 hour for the eating window start and end times while aiming for an 8 hour eating window.

Control

The Control group will follow their usual eating routine.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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early time restricted eating

The intervention group will eat in a prescribed daily feeding window (9am-5pm) and follow their normal exercise and resistance training routines. We will allow up till +/-1 hour for the eating window start and end times while aiming for an 8 hour eating window.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Adults between 18 - 50 years
* Performing resistance training at least twice per week (for ≥1 yr)
* BMI ≥ 18.5

Exclusion Criteria

* Currently sedentary or not engaged in resistance training.
* Major surgeries in muscles/joints during the past 3 months
* BMI \< 18.5
* Ineligible to engage in physical activity according to 2022 Physical Activity Readiness Questionnaire for everyone (PAR-Q+)
* Take anabolic steroids or on hormone replacement therapy.
* Current smoker.
* Following restrictive diets (Vegan, vegetarian, intermittent fasting, Paleo, calorie restriction, keto/ low carbohydrate diet or any other restrictive diets)
* Active cancer or cancer requiring treatment in the past 2 years (except non-melanoma skin cancer).
* Musculoskeletal disorders
* Diagnosed with cardiovascular disease including myocardial infarction, heart surgery, heart failure and had a heart transplant.
* Have pacemaker or metal implants
* Diagnosed diabetes (type 1 or 2).
* Diagnosed hypertension or high blood pressure (\>130/90).
* Diagnosed eating disorder or score ≥ 20 on Eating Attitudes Test -26 (EAT26) survey
* Missing limbs/ have prosthetics
* Had surgery in joints/muscle in the past year.
* Received medical advise against exercising due to medical reasons.
* On medication for conditions related to the thyroid gland
* Unwilling to commit for a 7-week study
* Likely to move away from participating clinic before trial completed
* Unable or unwilling to give informed consent
* Another household member is a participant or staff member in the trial
* Unwilling to accept treatment assignment by randomization
* Current or anticipated participation in another intervention research project that would interfere with the intervention offered in the trial
* Pregnant or \< 6 months since giving birth.
* Any other condition which, in opinion of investigators, that would adversely affect conduct of the trial.
Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Mississippi, Oxford

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Department of Nutrition and Hospitality Management, University of Mississippi

University, Mississippi, United States

Site Status RECRUITING

Countries

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United States

Facility Contacts

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Nadeeja Wijayatunga, MBBS, MPhil, PhD, RDN

Role: primary

662-915-1351

Other Identifiers

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23-030

Identifier Type: -

Identifier Source: org_study_id

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