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Eat by your clock: new study targets belly fat

NCT ID NCT07062315

Disease control Sponsor: Chinese University of Hong Kong Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Sep 01, 2026 · Updated 2 times

Summary

This study tests if matching when you eat to your natural sleep-wake pattern (chronotype) helps reduce deep belly fat and improve health. Over 12 weeks, 90 inactive adults with central obesity will follow either a matched or mismatched eating schedule, or a control diet. The goal is to see if personalized meal timing works better for weight and metabolic health.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 90 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2025

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Chinese adults, male or female, aged between 18-65 years old; 2. BMI of 23 kg/m² or higher, with a waist circumference exceeding 80 cm for females and 90 cm for males; 3. Weight stability for at least three months prior to the start of the study; 4. Physically inactive, indicated by not meeting established WHO guidelines on physical activity and sedentary behavior (i.e., at least 150-300 minutes of moderate-intensity or at least 75-150 minutes of vigorous-intensity aerobic exercise; or an equivalent combination of moderate and vigorous-intensity activity throughout the week; 5. Baseline eating duration exceeding 10 hours per day; 6. Identified as either early or late chronotypes (Morningness-Eveningness Questionnaire) Exclusion Criteria: 1. Individuals currently or chronically receiving pharmacological treatment for hypertension, diabetes, weight loss, or other metabolic conditions; 2. Night shift workers; 3. Individuals with eating disorders; 4. Female participants who are breast-feeding, pregnant, or attempting to become pregnant; 5. Individuals currently participating in other weight-management programs or following other prescribed diet programs.

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Conditions

The condition(s) this trial relates to.

Intermittent Fasting Obesity, Abdominal

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Central obesity Time-restricted eating

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Department of Sports Science and Physical Education, The Chinese University of Hong Kong

    Hong Kong, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.