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Poop pills for sick kids? early trial tests fecal transplants after transplant

NCT ID NCT05664113

Disease control Sponsor: St. Jude Children's Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 21, 2026 · Updated 2 times

Summary

This early-phase study tests whether fecal microbiota transplantation (FMT) is safe and feasible for children under 22 who have gut problems after a stem cell transplant. Ten participants will receive FMT via colonoscopy or a nasal tube. The main goal is to check for serious side effects within 30 days, not to prove it works yet.

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 (FMT)
What this could lead to
If it works, this could point toward a safe way to treat gut problems in children after a stem cell transplant.
What could go wrong
This is a very small, early-phase safety study with only 10 children. It may not show clear benefit, and there are risks like infection or discomfort from the procedure.

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.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 10 people

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

Started

Jul 2025

Expected to finish

Dec 2028

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.

Ages

Up to 22 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: * Age \< 22 years old. * Received an allogeneic HCT greater than or equal to 30 days prior to enrollment * Diagnosed with one of the following conditions: 1. Steroid-resistant gut a GvHD (defined as GI symptoms that do not improve within 5 days after initial steroid therapy, \>/= 1mg/kg of prednisolone) OR 2. Steroid-dependent gut a GvHD (defined as the presence of a response to methylprednisolone 2 mg/kg/day but relapsing when an attempt was made to taper steroid treatment). OR 3. Current or prolonged GI dysfunction following HCT, defined as having diarrhea or loose stools \>/= 4 weeks with at least one of the following: 1. Requiring NG or G-tube feeds 2. Requiring TPN or IVF for more than 4 weeks 3. Diagnosis of gastroparesis by GI specialist documented in the medical record * Willing and able to provide informed assent/consent Exclusion Criteria: * Participant is at risk for aspiration pneumonia * History of anaphylactic allergy to foods that are not excluded from the stool donor diet * Female participant who is pregnant or nursing * History of previous FMT * Intra-abdominal surgery within 4 weeks of enrollment * At increased risk for peritonitis: presence of intra-abdominal devices (G-or GJ-tubes are acceptable), receiving peritoneal dialysis, or ascites * Concurrent abdominal radiation therapy * Any acute or chronic illness/condition as well as medication that in the opinion of the investigator puts the subject at greater risk from FMT or may confound the study results.

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Conditions

The condition(s) this trial relates to.

Digestive System Diseases digestive system disorder graft versus host disease intestinal disorder

As listed by the trial registrant

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

Gastro-intestinal disorder

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

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

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • St. Jude Children's Research Hospital

    RECRUITING

    Memphis, Tennessee, 38105, United States

    Contact Email: •••••@•••••

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