Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Collecting stool samples to study gut microbiota and nutrition

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

Run by Institut National de la Santé Et de la Recherche Médicale, France · NCT06941090 · Data updated 2026-11-12

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

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment10000 (estimated)
SponsorInstitut National de la Santé Et de la Recherche Médicale, France
Government
Locations1 site (Bobigny)
StatusRecruiting
StartedDecember 15, 2023
Main results expectedDecember 15, 2033
Study endsDecember 15, 2033
Registry record updatedJuly 31, 2026
Trial IDNCT06941090 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a 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.

Probably 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.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

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.

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

Who can join: the full rules

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 it's running

  • EREN SMBH Université Sorbonne Paris Nord
    Bobigny, France
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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.