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Stool swap: could gut germs drive eating disorders?

NCT ID NCT07196189

Knowledge-focused Sponsor: University Hospital, Rouen Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study takes gut bacteria from women with eating disorders (like anorexia or bulimia) and gives them to mice to see if the mice gain or lose weight differently. The goal is to understand if an unhealthy gut microbiome can influence body weight and eating behavior. It's a basic science study, not a treatment trial.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
fecal microbiota transplant (stool bacteria)
What this could lead to
If this works, it could show that gut bacteria play a role in eating disorders, pointing toward new ways to treat them.
What could go wrong
This is a very early, small animal study. Results in mice may not apply to humans, and the study only looks at weight, not full eating disorder symptoms.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 84 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2022

Expected to finish

Apr 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with eating disorders (ED) first-time consultants in order to limit potential interference from previous medical treatments or nutritional support and healthy volunteers not presenting with eating disorders.

Ages

18 to 50 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Patients with ED * Women. * Aged 18 to 50. * First consultation in the Nutrition Department of Rouen University Hospital for ED. * Positive SCOFF with diagnosis of anorexia nervosa, bulimia nervosa, or binge eating disorder. * Affiliation with a social security plan. * Patient who has read and understood the information letter and does not object to participating in the study. Healthy Volunteers * Women. * Aged 18 to 50. * Body mass index between 18.5 and 24.9 kg/m². * SCOFF test: no positive response. * No history of ED or active ED (DSM V criteria negative). * Affiliation with a social security plan. * Individual who has read and understood the information letter and does not object to participating in the study. Exclusion Criteria: Patients with ED * Men. * Aged under 18 and over 50. * Negative SCOFF. * Patients who have received antibiotic treatment in the last 3 months. * Patients with a history of IBD or surgical procedures on the digestive tract. * Patient refuses to participate in the study. * Persons deprived of liberty by judicial or administrative order. * Pregnant or breastfeeding women. * Protected persons (guardianship or curatorship). Healthy volunteers * Men. * Aged under 18 and over 50. * SCOFF test with at least one positive response. * History or active ED (DSM V criteria). * Persons who have received antibiotic treatment in the last 3 months. * Person with a history of IBD or surgical procedures on the digestive tract. * Body mass index less than 18.5 or greater than 24.9 kg/m2. * Pregnant or breastfeeding women. * Protected persons (guardianship or curatorship).

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Conditions

The condition(s) this trial relates to.

anorexia nervosa binge eating disorder bulimia nervosa

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Eating disorders symptoms

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University Rouen Hospital

    RECRUITING

    Rouen, 76031, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.