Clinical trial Recruiting at 1 site Interventional Ages 25 to 50

Exploring time-restricted feeding and protein's role in obesity management

Official title: Time Restricted Feeding Intervention for Muscle and Metabolic Health (TRIMM)

Run by University of Arkansas, Fayetteville · NCT04949451 · Data updated 2026-11-12

This study tests if eating during specific hours and taking protein supplements can help overweight and obese adults manage their weight and improve their metabolism.

Quick facts

Study typeInterventional
Ages25 Years to 50 Years
SexAll
Enrollment90 (estimated)
SponsorUniversity of Arkansas, Fayetteville
Academic / other
Locations1 site (Fayetteville, Arkansas)
StatusRecruiting
StartedJune 13, 2021
Main results expectedApril 30, 2025
Study endsDecember 30, 2025
Registry record updatedAugust 26, 2025
Trial IDNCT04949451 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are overweight or obese adults aged 25-50 living in Northwest Arkansas.

Probably not a fit

Patients with pre-existing health conditions related to obesity or those currently trying to lose weight may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the effects of time-restricted feeding on muscle mass and metabolism in overweight and obese adults. It aims to understand how dietary protein influences energy regulation and appetite control. Participants will be assigned to different groups, including those receiving whey protein supplements and a control group practicing time-restricted feeding alone. The study focuses on individuals aged 25-50 with a BMI over 25, residing in Northwest Arkansas.

Why it matters

Potential benefit: If successful, this study could provide new dietary strategies for preventing and treating obesity.

How similar studies have gone: While time-restricted feeding has shown promise in other studies, this specific approach focusing on protein timing and muscle mass is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Resides in Northwest Arkansas
* Age 25-50 years
* BMI \> 25
* All ethnicities
* Female and male

Exclusion Criteria:

* Food allergies
* Pregnant or breastfeeding
* Dietary restrictions (e.g. vegetarian, vegan, etc.)
* Trying to lose weight in last 3 months
* Pre-existing health conditions related to obesity (e.g. cardiovascular disease, diabetes, hypertension)
* Prescription medications related to heart disease or type 2 diabetes
* Fear of needles
* Smoker or vaping
* Currently taking protein supplements or other nutritional supplements which may interfere with study outcomes
* Consumes \>4 alcoholic beverages per week

Where it's running

  • University of Arkansas
    Fayetteville, Arkansas, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.