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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Fecal Microbiota Clear all
Not listed Phase 2 Interventional

Fecal Microbiota Transplant and Pembrolizumab for Men With Metastatic Castration Resistant Prostate Cancer.

NCT04116775
View directory record Official record
Conditions
Prostate Cancer, Prostate Cancer Metastatic
Interventions
Fecal microbiota transplant, Pembrolizumab, Enzalutamide
Biological · Drug
Lead sponsor
Julie Graff, MD
Federal
Eligibility
18 Years and older · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 22, 2022 · Synced Jun 27, 2026, 4:58 AM EDT
Active, not recruiting Phase 2 Interventional

MTT for Children With ASD Who Have Gastrointestinal Disorders

NCT04182633
View directory record Official record
Conditions
Autism Spectrum Disorder, Gastro-Intestinal Disorder, Constipation, Diarrhea
Interventions
vancomycin, Miralax, intestinal microbiota, placebo vancomycin, Miralax, placebo intestinal microbiota
Combination Product
Lead sponsor
Arizona State University
Other
Eligibility
5 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Phase 2 Interventional Results available

Fecal Microbiota Transplant (FMT) in Melanoma Patients

NCT03341143
View directory record Official record
Conditions
Melanoma
Interventions
Fecal Microbiota Transplant with Pembrolizumab
Drug
Lead sponsor
Zarour, Hassane, MD
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Phase 1 Interventional

A Study to Evaluate Fecal Microbiota Transplantation Engraftment in IBS

NCT02847481
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
fecal microbiota transplantation, placebo fecal microbiota transplantation, FMT with antibiotic pre-treatment (v1), FMT with antibiotic pre-treatment (v2)
Procedure · Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 22, 2019 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Fresh, Frozen or Lyophilized Fecal Microbiota Transplantation for Multiple Recurrent C. Difficile Associated Diarrhea

NCT02318992
View directory record Official record
Conditions
Recurrent C. Difficile Associated Diarrhea
Interventions
Fecal Microbiota
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Maltodextrin Supplementation: Gastrointestinal Health

NCT02733263
View directory record Official record
Conditions
Healthy
Interventions
15 g RMD, 25 g RMD, 0 g RMD
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 1, 2018 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Early Phase 1 Interventional

Fecal Microbiota Transplantation After HSCT

NCT02733744
View directory record Official record
Conditions
Bone Marrow Transplantation
Interventions
Fecal Microbiota Transplantation (FMT)
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 21, 2017 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Phase 1 Interventional

Optimal Fecal Microbiota Transplant Dosing for Mild to Moderate Ulcerative Colitis

NCT03006809
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Fecal Microbiota Transplantation (FMT), OpenBiome, pretreatment antibiotics
Biological · Other
Lead sponsor
Najwa Elnachef
Other
Eligibility
18 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Jun 27, 2026, 4:58 AM EDT
Terminated Phase 1Phase 2 Interventional

Effects of Probiotic on Inflammation and Microbiota in Patients With NASH

NCT03511365
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease, Probiotics MeSH Descriptor Data 2018, Interleukin-17 MeSH Descriptor Data 2018
Interventions
Probiotic Formulation VSL#3
Biological
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Impact of Proton Pump Inhibitors on the Fecal Microbiome

NCT01822977
View directory record Official record
Conditions
Healthy, Clostridium Difficile Infection
Interventions
omeprazole
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 19, 2014 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Dietary Fructose on Gut Microbiota and Fecal Metabolites in Obese Men and Postmenopausal Women: A Pilot Study

NCT03339245
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease, Obesity
Interventions
Fructose Solution (75 Grams), Glucose Solution (75 grams)
Other
Lead sponsor
Rockefeller University
Other
Eligibility
45 Years to 70 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 25, 2021 · Synced Jun 27, 2026, 4:58 AM EDT
Active, not recruiting Phase 2 Interventional

Fecal Microbiota Transplantation for the Prevention of Acute Graft Versus Host Disease in Adults Undergoing Allogeneic Hematopoietic Cell Transplantation

NCT06026371
View directory record Official record
Conditions
Acute Graft Versus Host Disease, Hematopoietic and Lymphatic System Neoplasm
Interventions
Fecal Microbiota Transplantation Capsule, Placebo
Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Jun 27, 2026, 4:58 AM EDT
Recruiting Phase 2 Interventional

Stool Transplants to Treat Refractory Clostridium Difficile Colitis

NCT02127398
View directory record Official record
Conditions
Clostridium Difficile Colitis
Interventions
fecal microbiota
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Jun 27, 2026, 4:58 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Plants Optimizing Development Study (PODS)

NCT06276426
View directory record Official record
Conditions
Healthy Children
Interventions
Soy foods, Non-Soy Plant-Based Foods
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
8 Years to 11 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Jun 27, 2026, 4:58 AM EDT
Terminated Phase 2 Interventional Results available

FMT Versus Antimicrobials for Initial Treatment of Recurrent CDI

NCT02255305
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
FMT, Antimicrobials
Biological · Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Starch Blend Gastrointestinal Impact

NCT03983772
View directory record Official record
Conditions
Quality of Life, Health, Subjective
Interventions
RS blend, Placebo
Dietary Supplement · Other
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Gig Harbor, Washington
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Jun 27, 2026, 4:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Fecal Metabolome and the Intestinal Microbiota in Irritable Bowel Syndrome

NCT02981888
View directory record Official record
Conditions
IBS
Interventions
X-Ray
Radiation
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 28, 2024 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Phase 1 Interventional

Safety of FMT Using Oral Encapsulated PRIM-DJ2727 in HIV

NCT03329560
View directory record Official record
Conditions
HIV-1-infection
Interventions
Oral fecal microbiota transplantation
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 26, 2020 · Synced Jun 27, 2026, 4:58 AM EDT
Withdrawn Phase 1 Interventional

Randomized Trial Comparing Single vs. Maintenance Fecal Microbiota Transplant for Refractory Crohn's Disease in Children

NCT03747718
View directory record Official record
Conditions
Crohn Disease
Interventions
Fecal Microbiota Transplantation, Placebo
Biological · Other
Lead sponsor
Stanford University
Other
Eligibility
2 Years to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Autologous Fecal Microbiota Transplantation to Prevent Antibiotic Resistant Bacteria Colonization

NCT03061097
View directory record Official record
Conditions
Antibiotic Resistant Strain
Interventions
Autologous fecal microbiota transplant (Auto-FMP Enema), Placebo Enema Preparation
Biological · Other
Lead sponsor
Microbiome Health Research Institute
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Jun 27, 2026, 4:58 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Pilot and Feasibility Study of Fecal Microbiota Transplantation for Ulcerative Colitis

NCT02058524
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
fecal microbiota transplantation
Biological
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 23, 2016 · Synced Jun 27, 2026, 4:58 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Microbiota or Placebo After Antimicrobial Therapy for Recurrent C. Difficile at Home (MATCH)

NCT03005379
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbiota Therapy (FMT), Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 10, 2024 · Synced Jun 27, 2026, 4:58 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Fecal Microbiota Transplantation to Treat Recurrent C. Difficile Associated Diarrhea Via Retention Enema or Oral Route

NCT02449174
View directory record Official record
Conditions
C. Difficile
Interventions
Frozen Microbiota, Lyophilized Microbiota
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2019 · Synced Jun 27, 2026, 4:58 AM EDT
Terminated Phase 3 Interventional Results available

A Trial of CP101 for the Prevention of Recurrent CDI (PRISM4)

NCT05153499
View directory record Official record
Conditions
Recurrent C. Difficile Infection
Interventions
CP101, Placebo
Biological · Other
Lead sponsor
Finch Research and Development LLC.
Industry
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
61
States / cities
Phoenix, Arizona • Mission Hills, California • Oakland, California + 51 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Jun 27, 2026, 4:58 AM EDT