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Could a stool transplant ease gut woes in scleroderma?

NCT ID NCT06827977

Disease control Sponsor: The University of Texas Health Science Center, Houston 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 08, 2026 · Last updated Jul 09, 2026 · Updated 1 time

Summary

This study tests whether transplanting healthy gut bacteria can relieve constipation and bloating in people with systemic sclerosis, an autoimmune disease that often affects the digestive tract. Participants will receive the bacteria either as capsules or as a retention enema. The trial will monitor changes in gut bacteria diversity and symptom severity over several weeks.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
PRIM-DJ2727 (frozen or lyophilized fecal microbiota)
What this could lead to
If it works, this could offer a new way to manage stubborn digestive symptoms in people with systemic sclerosis.
What could go wrong
This is a small, early-phase trial testing safety and trends, not proof of effectiveness. The treatment involves swallowing capsules or receiving an enema made from donor stool, which carries unknown infection risks.

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 21 people

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

Started

Mar 2025

Expected to finish

Jun 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

18 years and older

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: * Are seen in the UT Houston Scleroderma Center (UTHSC) * Meet 2013 American college of rheumatology (ACR)/European league against rheumatism (EULAR) criteria or CREST criteria for SSc * Meet Rome IV criteria for constipation and/or significant bloating * Subject willing to sign an informed consent form * Subject deemed likely to survive for ≥ 1 year after enrollment * Able to follow study procedure and follow-up * Sexually active male and female subjects of childbearing potential must agree to use an effective method of birth control during the treatment and follow-up period * Female subjects of childbearing potential must have a negative pregnancy test in the 72 hours before the procedure * Subjects who agree to adhere to a stable diet for at least 4 weeks before joining the study and throughout the study * Subjects must have an attending physician who will provide non-transplant care for the subject Exclusion Criteria: * Subjects with constipation and/or significant bloating from causes not attributed to SSc as determined by the treating physician (e.g., inflammatory bowel disease, medication, significant diabetes, or hypothyroidism, etc.) * Subjects unwilling to stop taking probiotic supplements during the duration of the study * Subjects that have post-total or hemicolectomy or the presence of a colostomy * Subjects unable to tolerate microbiome transplant via enema for any reason or swallow capsules * Subjects requiring systemic antibiotic therapy 4 weeks before the study * If subjects are on immunosuppression, the immunosuppression dose should be stable for at least 4 weeks before study enrollment

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Conditions

The condition(s) this trial relates to.

constipation disorder systemic sclerosis

As listed by the trial registrant

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

Bloating Constipation

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

  • The University of Texas Health Science Center at Houston

    RECRUITING

    Houston, Texas, 77030, United States

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