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

Meal Timing, Genetics and Weight Loss in a Mediterranean Population

Universidad de Murcia · NCT02829619

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
Enrollment5788 (estimated)
Ages18 Years and up
SexAll
SponsorUniversidad de Murcia (other)
Locations1 site (Murcia, Murcia)
Trial IDNCT02829619 on ClinicalTrials.gov

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.

Who should consider this trial

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

Not a fit: Patients with diabetes, chronic renal failure, hepatic diseases, cancer, or those undergoing specific drug treatments may not benefit from this study.

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 performed: 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.

Eligibility criteria

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 this trial is running

Murcia, Murcia

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Obesity, Nutrigenetics, Food Timing, Weight loss

Last reviewed 2026-05-15 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.