Time Restricted Eating for Weight Management

Completed · Not applicable

Conditions studied: Obesity

In brief

A 12-month randomized, controlled, parallel-arm trial, divided into 2 consecutive periods: (1) 6-month weight loss period; and (2) 6-month weight maintenance, will be implemented. Adults with obesity will be randomized to 1 of 3 groups: (1) 8h-TRE, ad libitum food intake from 12pm to 8 pm, fasting from 8 pm to 12 pm daily, (2) CR, 25% energy restriction every day; or 3) control, ad libitum food intake daily, eating within more than 10 hours per day.

Key facts

Study ID

NCT04692532

Run by

University of Illinois at Chicago

People needed

90

Starts

2021-01-01

Expected to finish

2025-02-01

Last updated by the study team

2026-07-27

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Age between 18 to 65 years old
• BMI between 30 and 50 kg/m2
• Sedentary or lightly active (<60 minutes/week of light activity for the 3 months prior to the study)

You may not qualify if…

• • Type 1 DM or Type 2 DM
• History of eating disorders (anorexia, bulimia, or binge eating disorder)
• Are not weight stable for 3 months prior to the beginning of study (weight gain or loss > 4 kg)
• Are not able to keep a food diary or activity log for 7 consecutive days during screening
• Are taking drugs that influence study outcomes (weight loss, glucose-lowering medications)
• Are perimenopausal or have an irregular menstrual cycle (menses that does not appear every 27-32 days)
• Are eating within less than a 10-hour window at baseline
• Are pregnant, or trying to become pregnant
• Are night shift workers
• Are smokers

Where it is running

• University of Illinois Chicago — Chicago, Illinois, United States

Full record on ClinicalTrials.gov

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