Fecal Microbiota Transplant and Dietary Fiber Supplementation for the Treatment of Gut Graft Versus Host Disease

NCT ID: NCT05067595

Last Updated: 2025-08-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

72 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-01-24

Study Completion Date

2026-12-31

Brief Summary

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This phase I trial studies how well fecal microbiota transplant and dietary fiber supplementation work in treating patients with gut graft versus host disease. Fecal microbiota transplant entails inoculating donor stool into a recipient's gastrointestinal tract. Changing the gut microbiome by fecal microbiota transplant and fiber supplementation may help treat gut graft versus host disease.

Detailed Description

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OUTLINE: Patients are randomized to 1 of 4 arms.

ARM I: Patients receive upper FMT capsules orally (PO) over 5 days or via post-pyloric or nasogastric (NG) feeding tube over 2 days.

ARM II: Patients undergo lower FMT via colonoscopy on day 0.

ARM III: Patients receive upper FMT capsules PO over 5 days or via post-pyloric or NG feeding tube over 2 days. Patients also receive fiber supplementation PO or via post-pyloric or NG feeding tube from the first day of FMT administration and up to 6 weeks post FMT.

ARM IV: Patients undergo lower FMT via colonoscopy on day 0. Patients also receive fiber supplementation PO or via post-pyloric or NG feeding tube from day 0 up to 6 weeks post FMT.

Patients also undergo tissue, stool, stool swabs, and blood sample collection throughout the study.

After completion of study treatment, patients are followed up for 365 days.

Conditions

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Intestinal Graft Versus Host Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Arm I (upper FMT)

Patients receive upper FMT capsules PO over 5 days or via post-pyloric or NG feeding tube over 2 days. Patients also undergo tissue, stool, stool swabs, and blood sample collection throughout the study.

Group Type EXPERIMENTAL

Fecal Microbiota Transplantation

Intervention Type BIOLOGICAL

Given upper FMT PO or via post-pyloric or NG feeding tube

Survey Administration

Intervention Type OTHER

Ancillary studies

Biospecimen Collection

Intervention Type PROCEDURE

Undergo tissue, stool, stool swabs, and blood sample collection

Arm II (Lower FMT)

Patients undergo lower FMT via colonoscopy on day 0. Patients also undergo tissue, stool, stool swabs, and blood sample collection throughout the study.

Group Type EXPERIMENTAL

Colonoscopy

Intervention Type PROCEDURE

Undergo lower FMT via colonoscopy

Fecal Microbiota Transplantation

Intervention Type BIOLOGICAL

Undergo lower FMT via colonoscopy

Survey Administration

Intervention Type OTHER

Ancillary studies

Biospecimen Collection

Intervention Type PROCEDURE

Undergo tissue, stool, stool swabs, and blood sample collection

Arm III (upper FMT, fiber supplementation)

Patients receive upper FMT capsules PO over 5 days or via post-pyloric or NG feeding tube over 2 days. Patients also receive fiber supplementation PO or via post-pyloric or NG feeding tube from the first day of FMT administration and up to 6 weeks post FMT. Patients also undergo tissue, stool, stool swabs, and blood sample collection throughout the study.

Group Type EXPERIMENTAL

Fecal Microbiota Transplantation

Intervention Type BIOLOGICAL

Given upper FMT PO or via post-pyloric or NG feeding tube

Nutritional Supplementation

Intervention Type DIETARY_SUPPLEMENT

Given dietary fiber supplementation PO or via post-pyloric or NG feeding tube

Survey Administration

Intervention Type OTHER

Ancillary studies

Biospecimen Collection

Intervention Type PROCEDURE

Undergo tissue, stool, stool swabs, and blood sample collection

Arm IV (Lower FMT, fiber supplementation)

Patients undergo lower FMT via colonoscopy on day 0. Patients also receive fiber supplementation PO or via post-pyloric or NG feeding tube from day 0 up to 6 weeks post FMT. Patients also undergo tissue, stool, stool swabs, and blood sample collection throughout the study.

Group Type EXPERIMENTAL

Colonoscopy

Intervention Type PROCEDURE

Undergo lower FMT via colonoscopy

Fecal Microbiota Transplantation

Intervention Type BIOLOGICAL

Undergo lower FMT via colonoscopy

Nutritional Supplementation

Intervention Type DIETARY_SUPPLEMENT

Given dietary fiber supplementation PO or via post-pyloric or NG feeding tube

Survey Administration

Intervention Type OTHER

Ancillary studies

Biospecimen Collection

Intervention Type PROCEDURE

Undergo tissue, stool, stool swabs, and blood sample collection

Interventions

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Colonoscopy

Undergo lower FMT via colonoscopy

Intervention Type PROCEDURE

Fecal Microbiota Transplantation

Given upper FMT PO or via post-pyloric or NG feeding tube

Intervention Type BIOLOGICAL

Fecal Microbiota Transplantation

Undergo lower FMT via colonoscopy

Intervention Type BIOLOGICAL

Nutritional Supplementation

Given dietary fiber supplementation PO or via post-pyloric or NG feeding tube

Intervention Type DIETARY_SUPPLEMENT

Survey Administration

Ancillary studies

Intervention Type OTHER

Biospecimen Collection

Undergo tissue, stool, stool swabs, and blood sample collection

Intervention Type PROCEDURE

Other Intervention Names

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Fecal Material Transplantation Fecal Transplantation FMT Poo Transplant Poop Transplant Stool Transplant Fecal Material Transplantation Fecal Transplantation FMT Poo Transplant Poop Transplant Stool Transplant Supplementation Biological Sample Collection

Eligibility Criteria

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Inclusion Criteria

* 18 years of age or older
* History of allogeneic hematopoietic stem cell transplant in the past 365 days
* Post-engraftment, defined by time period following three consecutive days of sustained neutrophil engraftment with an absolute neutrophil count of at least 500 cells/mm\^3
* Mild to severe acute GI GvHD, at least stage 1, as measured by one of the following:

* Modified Glucksberg criteria for GI GvHD averaged over 3 consecutive days and without another explanation for diarrhea such as laxative use or infection. In patients who have already had GI biopsy, biopsy histology must be compatible with GVHD, although biopsy is not required
* Biopsy evidence of GI GVHD in the upper or lower GI tract

Exclusion Criteria

* History of previous serious adverse events associated with FMT
* History of bowel perforation in the last 90 days
* History of gastrointestinal resection in the last 90 days
* History of intestinal obstruction in the last 90 days
* History of diverticulitis in the last 90 days
* History of celiac disease confirmed by serologic testing or small bowel biopsy
* History of severe dietary allergy as designated by World Allergy Organization Subcutaneous Immunotherapy Systemic Reaction Grading System grade 2 or more
* Subjects who are cytomegalovirus (CMV) seronegative at the time of enrollment as indicated by clinical testing unless the fecal microbiota transplant (FMT) donor is CMV seronegative with negative plasma polymerase chain reaction (PCR) assays for CMV.
* Known allergies to loperamide, sodium chloride, glycerol, theobroma oil, hide bovine gelatin, sodium lauryl sulfate, colorants FD\&C, titanium dioxide, polyethylene glycol, sodium sulfate, sodium bicarbonate, sodium phosphate, benzalkonium chloride, disodium EDTA or potassium chloride.
* Currently pregnant, planning to become pregnant or breastfeeding during the study period. Women of childbearing potential (those who are not post-menopausal or post-hysterectomy) must be negative for pregnancy per urine pregnancy test at enrollment
* Individuals with the ability to conceive children who are not willing to abstain from sexual activity or use an effective form of birth control during the duration of the study
* Unwilling or unable to participate in study procedures including oral intake of FMT, colonoscopy, fiber supplementation, collection of stool samples and completion study surveys
* Cannot reasonably and safely participate in the study in the opinion of the investigators
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Heart, Lung, and Blood Institute (NHLBI)

NIH

Sponsor Role collaborator

Fred Hutchinson Cancer Center

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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David Fredricks

Role: PRINCIPAL_INVESTIGATOR

Fred Hutch/University of Washington Cancer Consortium

Locations

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Fred Hutch/University of Washington Cancer Consortium

Seattle, Washington, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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David Fredricks

Role: CONTACT

206.667.1935

Facility Contacts

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David Fredricks

Role: primary

206-667-1935

Other Identifiers

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NCI-2019-07698

Identifier Type: REGISTRY

Identifier Source: secondary_id

10276

Identifier Type: OTHER

Identifier Source: secondary_id

1R01HL166107

Identifier Type: NIH

Identifier Source: secondary_id

View Link

RG1006202

Identifier Type: -

Identifier Source: org_study_id

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