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Could a gut bacteria transplant help treat anorexia?

NCT ID NCT07143981

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 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

About 20 people

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

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Aug 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

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

16 to 35 years

Sex

Anyone

Healthy volunteers

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

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.

anorexia nervosa Feeding and Eating Disorders Psychological Well-Being

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.

  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

  • London Health Sciences Research Institute

    RECRUITING

    London, Ontario, N6J 1A2, Canada

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