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Gut bacteria booster may stop transplant complication

NCT ID NCT04373057

Prevention Sponsor: University of Kansas Medical Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a dietary supplement called galacto-oligosaccharide (GOS) can prevent acute graft-versus-host disease (GVHD) in people receiving a stem cell transplant. GVHD is a serious complication where donor cells attack the patient's body. The supplement aims to change gut bacteria to reduce this risk. The trial involves 128 adults aged 18-80 and has two phases: first finding the best dose, then comparing GOS to a placebo.

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 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 128 people

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

Started

Jan 2021

Expected to finish

Feb 2029

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 80 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: * Plan to undergo allogeneic HCT for any cancer or non-cancer illness * Age 18-80 years * Karnofsky Performance Status \>70 Exclusion Criteria: * Pregnant/lactating * Malabsorption syndrome, short bowel or chologenic diarrhea * At time of enrollment, Grade 2 or higher GI symptoms per NCI-CTCAE * Active treatment with other prebiotics, probiotics, or herbal supplementation (ok if stops before enrollment) * Active treatment with antibiotics (with the exception of prophylactic antibiotics) * Concurrent enrollment on the Duke HCT Home Transplant study or another clinical trial targeting GVHD; patients who are enrolled in observational or non-pharmacologic intervention trials (for example, the Duke HCT Research-POP Pre and Peri-HCT Optimization Program aka "R-POP") or pharmacologic or cellular therapy trials with other targets (for example, NK DLI) are NOT excluded

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Conditions

The condition(s) this trial relates to.

acute graft versus host disease prevention target

As listed by the trial registrant

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

Acute GVHD

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

  • Duke

    ACTIVE_NOT_RECRUITING

    Durham, North Carolina, 27710, United States

  • Kansas University Medical Center

    RECRUITING

    Kansas City, Kansas, 66160, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.