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Timing your meals could be key to shedding pounds, new study suggests

NCT ID NCT02829619

Knowledge-focused Sponsor: Universidad de Murcia Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study is looking at how the timing of meals, along with genetics, affects weight loss in a Mediterranean population. Researchers will track nearly 6,000 overweight adults to see if eating lunch later makes it harder to lose weight. The goal is to understand if when we eat is as important as what we eat for managing obesity.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this research could help personalize weight loss advice based on when people eat and their genetic makeup.
What could go wrong
This is an observational study, not a treatment trial. It can show links but not prove cause and effect. Results may not apply to non-Mediterranean populations.

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.

Participants

About 5,788 people

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

Started

Jan 2008

Expected to finish

Jun 2032

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.

Who is studied

All participants are voluntarily attending five weight loss clinics in Spain for dietetic and behavioral treatment based upon the principles of a Mediterranean diet . All participants are from the Spanish city of Murcia, located on the Southeast coast of the Mediterranean Sea.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Body Mass Index: \>25 kg/m2 * Age: \>18 years of age * Caucasian Exclusion Criteria: * Receiving treatment with thermogenic, lipogenic, or contraceptive drugs * Diabetes mellitus, chronic renal failure, hepatic diseases, or cancer diagnosis * bulimia diagnosis, prone to binge eating * undergoing treatment with anxiolytic or antidepressant drugs

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Weight Loss

As listed by the trial registrant

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

Obesity

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

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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

  • University of Murcia

    RECRUITING

    Murcia, Murcia, 30100, Spain

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