Collecting stool samples to study gut microbiota and nutrition

Nutrition, Gut Microbiota and Health : Feces Sample Collection in NutriNet-Santé Participants

Not applicable Interventional Institut National de la Santé Et de la Recherche Médicale, France · NCT06941090

This study is trying to see how different diets affect the gut bacteria in people to better understand their link to health issues like obesity and diabetes.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment10000 (estimated)
Ages18 Years and up
SexAll
SponsorInstitut National de la Santé Et de la Recherche Médicale, France Government
Locations1 site (Bobigny)
Trial IDNCT06941090 on ClinicalTrials.gov

What this trial studies

This study focuses on understanding the relationship between nutrition and gut microbiota by collecting stool samples from participants in the NutriNet-Santé cohort. It aims to explore how various dietary factors influence the composition of gut microbiota, which has been linked to several health conditions. The research will analyze microbial signatures and their potential associations with diseases such as obesity and diabetes. By examining these connections, the study seeks to clarify the role of diet in maintaining gut health.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and older who are participants in the NutriNet-Santé cohort and reside in metropolitan France.

Not a fit: Patients who have been diagnosed with COVID-19 or have had recent contact with a COVID-19 patient may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into how dietary changes can improve gut health and potentially prevent related diseases.

How similar studies have performed: Other studies have shown promising results in understanding the gut microbiome's role in health, making this approach both relevant and potentially impactful.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participant in the NutriNet-Santé cohort
* Age ≥ 18 years
* Resident of metropolitan France
* Written comprehension frenc

Exclusion Criteria:

* Person subject to a safeguard of justice measure
* Person belonging to one of the categories of vulnerable persons
* Diagnosis of COVID-19 (clinically or by PCR) in the month prior to collection
* Contact with a COVID-19 patient in the month prior to collection
* Suspicion of COVID-19 in the month preceding collection (clinical signs of infection : fever associated with headache, respiratory signs, os anosmia/ageusia)

Where this trial is running

Bobigny

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 Gut Microbiome
Last reviewed 2026-06-13 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.