Clinical trial Recruiting at 1 site Observational Ages 18 and up

Exploring how meal timing and genetics affect weight loss in obese individuals

Official title: Meal Timing, Genetics and Weight Loss in a Mediterranean Population

Run by Universidad de Murcia · NCT02829619 · Data updated 2026-11-12

This study is testing how the timing of meals and genetics affect weight loss in obese people to see if it can help them lose weight more effectively.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment5788 (estimated)
SponsorUniversidad de Murcia
Academic / other
Locations1 site (Murcia, Murcia)
StatusRecruiting
StartedJanuary 1, 2008
Main results expectedJune 2027
Study endsJune 2032
Registry record updatedMay 6, 2026
Trial IDNCT02829619 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are Caucasian adults over 18 years old with a Body Mass Index greater than 25.

Probably not a fit

Patients with diabetes, chronic renal failure, hepatic diseases, cancer, or those undergoing specific drug treatments 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 observational study investigates the relationship between meal timing, genetic factors, and obesity in a Mediterranean population. It aims to understand how the timing of food intake influences weight loss effectiveness and metabolic syndrome features among individuals with a Body Mass Index over 25. By assessing genetic variants related to circadian rhythms and melatonin, the study seeks to develop evidence-based dietary interventions that could improve weight loss outcomes. The research will involve a sample of 5000 obese participants following a weight loss program.

Why it matters

Potential benefit: If successful, this study could lead to personalized dietary interventions that enhance weight loss and metabolic health for obese individuals.

How similar studies have gone: While the specific combination of meal timing and genetics in this context is novel, related studies have shown promising results in understanding the impact of meal timing on weight management.

Who can join: the full rules

Show full inclusion / exclusion criteria
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

Where it's running

  • University of Murcia
    Murcia, Murcia, Spain
    Recruiting

Study contacts

  • Principal investigator: Marta Garaulet, PHD — Universidad de Murcia
  • Study coordinator: Marta Garaulet, PHD
  • Email: garaulet@um.es
  • Phone: +34-678996368

Similar studies

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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.