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

Completed · Not applicable

Conditions studied: Time Restricted Eating

In brief

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.

Key facts

Study ID

NCT05908201

Run by

University of Mississippi, Oxford

People needed

40

Starts

2023-02-20

Expected to finish

2023-06-17

Last updated by the study team

2026-06-23

Who can join

Age: 18 and older, up to 50. Sex: any. Healthy volunteers: accepted.

You may qualify if…

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

You may not qualify if…

• 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.

Where it is running

• Department of Nutrition and Hospitality Management, University of Mississippi — University, Mississippi, United States

Full record on ClinicalTrials.gov

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