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Poop pills? fecal transplant trial aims to calm IBS stomachs

NCT ID NCT05776914

Symptom relief Sponsor: Madhusudan (Madhu) Grover, MBBS 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is testing whether a fecal transplant from a carefully selected donor can reduce symptoms in people with moderate to severe IBS. The donor stool has low levels of certain proteins that may trigger IBS. 43 participants will receive the transplant during a colonoscopy and be followed for 12 weeks to see if their symptoms improve.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 43 people

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

Started

Apr 2024

Expected to finish

Jun 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.

Ages

18 to 70 years

Sex

Female participants only

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: * IBS defined by Rome IV criteria * Non IBS-C * Moderate to severe symptoms defined by IBS-SSS≥175 * Able to safely undergo and consent to colonoscopy Exclusion Criteria * Immune deficiency or treatment with immunosuppressive medications * Severe bowel or medical disease precluding administration of bowel prep * Severe bowel or medical disease precluding colonoscopy with conscious sedation * Active cancer * Pregnant or lactating * Abdominal surgery (exception of splenectomy, partial hepatectomy, partial/unilateral nephrectomy, laparoscopy, pelvic floor repair, mesh, liposuction, fundoplication, tubal ligation, gastric sleeve, oophorectomy, hernia, appendectomy, cholecystectomy, caesarean section and hysterectomy) * Severe psychiatric disorder (HADS-A or D\>16), or diagnosed alcohol or drug abuse disorder * New probiotics or treatment with antibiotics, NSAIDs (within 4 wks prior to study entry) * Use of treatments known to affect colonic motility (with exception of loperamide) * Diagnosed h/o bleeding disorder * Organic GI diseases (IBD, celiac disease, microscopic colitis) * Chronic kidney or liver disease * Absolute neutrophil count (ANC) \<500 IU/ml

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Conditions

The condition(s) this trial relates to.

diarrheal disease irritable bowel syndrome

As listed by the trial registrant

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

Diarrhea Irritable bowel syndrome

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

  • Mayo Clinic in Minnesota

    RECRUITING

    Rochester, Minnesota, 55905, United States

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