Gut bugs linked to anorexia fears – new study launches
NCT ID NCT06043154
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at the connection between gut bacteria, body fat changes, and fear of gaining weight in people with anorexia nervosa. Researchers will collect stool and blood samples from 60 women admitted for refeeding to analyze their gut microbiome. The goal is to find biomarkers that could explain why some patients struggle more with weight regain. No treatment is given; this is an observational study to better understand the disease.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2024
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- Lead sponsor
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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.
- Ages
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15 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Women * Over 15 years old and 3 months. * Admitted in the specialized department for eating disorders of CHU Nantes for refeeding. * With a diagnosis of anorexia nervosa at admission (restrictive or Binge-Eating-Purging type). * Body Mass Index at admission below 16 kilogram per square meter. * Written informed consent for patients over 18 years old/ oral informed consent from both the patient and a legal representative for patients under 18 years old. * Affiliated with French social security system or beneficiary from such system. Exclusion Criteria: * Pregnant and breastfeeding women. * Who received a treatment with antibiotic/antifungal (other than local application) in the last three months. * Who had a weight gain in the last month (5% or more of the patient's weight at admission). * Under trusteeship or guardianship. * Not fluent in French * Who participate in another interventional study involving medication. * Patients for whom stool collection or body mass composition analysis (with Dual-energy X-ray absorptiometry) couldn't be done during the first week of hospitalisation.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Nantes University Hospital
RECRUITINGNantes, 44093, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can the Brain's Information-Integration process explain Anorexia's grip?
- Can a pudding snack reveal how the brain misreads the stomach?
- Could the gut microbiome hold clues to eating disorder recovery?
- Can a parent support group help teens with both autism and anorexia?
- Lab-Grown brain cells could unlock Anorexia's secrets
- Can science unlock the secrets of the naturally lean?