A Study of Time Restricted Eating in Obese Adults

NCT ID: NCT05660291

Last Updated: 2025-09-26

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

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-02-24

Study Completion Date

2026-12-31

Brief Summary

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The purpose of this pilot study is to understand the difference between early and late time-restricted eating on weight and body mass index (BMI), and evaluate the barriers encountered and the effect on quality of life.

Detailed Description

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Conditions

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Overweight

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

Subjects window for eating would be between 08:00 AM - 4:00 PM

Group Type EXPERIMENTAL

Early time-restricted eating

Intervention Type BEHAVIORAL

Subjects can eat whatever they want between the hours of 8:00 AM and 4:00 PM and can only consume water, black coffee/tea, or other zero calorie drinks (artificial sweeteners are okay) outside your designated eating window (from 4:00 PM to 8:00 AM).

Late time-restricted eating

Subjects window for eating would be between 12:00 PM (noon) and 8:00 PM

Group Type EXPERIMENTAL

Late time-restricted eating

Intervention Type BEHAVIORAL

Subjects can eat whatever they want between the hours of 12:00 PM and 8:00 PM and can only consume water, black coffee/tea, or other zero calorie drinks (artificial sweeteners are okay) outside your designated eating window (from 8:00 PM to noon).

Interventions

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Early time-restricted eating

Subjects can eat whatever they want between the hours of 8:00 AM and 4:00 PM and can only consume water, black coffee/tea, or other zero calorie drinks (artificial sweeteners are okay) outside your designated eating window (from 4:00 PM to 8:00 AM).

Intervention Type BEHAVIORAL

Late time-restricted eating

Subjects can eat whatever they want between the hours of 12:00 PM and 8:00 PM and can only consume water, black coffee/tea, or other zero calorie drinks (artificial sweeteners are okay) outside your designated eating window (from 8:00 PM to noon).

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Ability to read and understand English
* BMI ≥ to 25.

Exclusion Criteria

* Regularly skip meals.
* Are unwilling or unable to limit eating to an 8-hour window.
* Have a current Melanoma or cancer diagnosis.
* Currently breastfeeding.
* Pregnant, or planned to be pregnant within 3 months.
* Are taking insulin or sulfonylurea drugs.
* Are taking weight loss medications or had weight loss surgery within the last year.
* Have a history of eating disorders.
Minimum Eligible Age

18 Years

Maximum Eligible Age

64 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Mayo Clinic

OTHER

Sponsor Role lead

Responsible Party

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Bradley A. Bohn

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Bradley Bohn, MD

Role: PRINCIPAL_INVESTIGATOR

Mayo Clinic

Locations

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Mayo Clinic Minnesota

Rochester, Minnesota, United States

Site Status

Countries

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United States

Related Links

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Other Identifiers

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22-010547

Identifier Type: -

Identifier Source: org_study_id

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