Understanding how different meals affect metabolism

Standardized Meals With Different Macronutrient Ratios on the Postprandial Metabolome and Metabolic Flexibility

Not applicable Interventional Instituto Nacional de Medicina Genomica · NCT06878781

This study tests how different types of meals affect metabolism in young adults to see how their bodies respond to various nutrients.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment300 (estimated)
Ages18 Years to 30 Years
SexAll
SponsorInstituto Nacional de Medicina Genomica Government
Locations1 site (Mexico City)
Trial IDNCT06878781 on ClinicalTrials.gov

What this trial studies

This study investigates metabolic flexibility, which is the body's ability to switch energy sources in response to different meals. Participants will consume standardized meals with varying macronutrient compositions, and their metabolic responses will be assessed through blood samples and dietary questionnaires. The study aims to provide insights into how these responses relate to metabolic health, particularly in young adults. Participants will be monitored weekly for one month to gather comprehensive data on their metabolic responses.

Who should consider this trial

Good fit: Ideal candidates are healthy young adults aged 18 to 30 without any chronic health conditions.

Not a fit: Patients with existing metabolic disorders or those requiring medication for health conditions will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance understanding of metabolic health and inform dietary recommendations to prevent obesity and diabetes.

How similar studies have performed: While studies on metabolic flexibility exist, this specific approach using mixed meals with varied macronutrient ratios is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* be over 18 years of age and under 30 years of age;
* without active drug addictions: smoking, alcoholism, and/or drug addiction;
* in female subjects: regular menstrual cycles;
* give written consent for their inclusion in the study.

Exclusion Criteria:

* subjects with any pathology that requires medication or special treatment, such as type 2 diabetes mellitus, high blood pressure, dyslipidemia, polycystic ovary syn-drome, autoimmune, thyroid, kidney, neurological diseases, and cancer;
* pregnant or lactating women;
* subjects with problems with chewing, salivation, and swallowing.

Elimination criteria:

* subjects who only have samples (blood and calorimetry) from one study period (fasting or postprandial);
* subjects who only have samples (blood and calorimetry) of a metabolic challenge;
* subjects who have an infection at the scheduled appointment;
* subjects who withdraw their informed consent

Where this trial is running

Mexico City

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.
Conditions FastingPostprandial HyperglycemiaLipid Metabolism DisordersGlucose Metabolism DisordersInsulin Sensitivitymetabolic flexibilitypostprandial responsemixed meals
Last reviewed 2026-06-09 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.