Could a gut bacteria transplant help treat anorexia?
NCT ID NCT07143981
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study explores whether fecal microbiome transplants (FMT) can improve gut health, thinking, and mood in people with anorexia nervosa. Twenty participants with restrictive-type anorexia will receive FMT capsules. The main goal is to see if the procedure is feasible and tolerable, while also measuring changes in gut bacteria, immune markers, and cognitive function.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- fecal microbiome transplant (FMT) capsules
- What this could lead to
- If successful, this could reveal new ways to treat anorexia by targeting the gut-brain connection, potentially leading to better therapies.
- What could go wrong
- This is a very small early feasibility study with only 20 participants. It is designed mainly to see if the procedure is tolerable, not to prove it works. Results may not apply broadly.
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
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jan 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2027
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.
Who is studied
Participants in this study will be awaiting treatment for anorexia nervosa at London Health Sciences Centre's (LHSC, Ontario Canada) Adult Eating Disorders Service (AEDS).
- Ages
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16 to 35 years
- Sex
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Anyone
- 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.
Show the full entry requirements Hide 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: * meet DSM 5 criteria for AN, restricting type, moderate or higher severity, as indicated by a BMI\<17 * Participants must we willing and able to swallow FMT capsules without vomiting * Able to read and understand conversational English Exclusion Criteria: 1. Medical or psychiatric instability needing hospitalization 2. Patients with AN binge/purge type 3. Use of antibiotics or probiotics in the month prior to treatment 4. Regular oral steroid use, or potent topical steroid use on large sections of skin 5. Chronic immune compromise and chronic illness affecting the intestinal tract or metabolic health 6. Pregnancy or intended pregnancy over the time of study 7. Patients enrolled in any treatment program that involves refeeding
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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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London Health Sciences Research Institute
RECRUITINGLondon, Ontario, N6J 1A2, Canada
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- 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?