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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: fecal microbiota Clear all
Withdrawn No phase listed Observational Accepts healthy volunteers

The Influence of Histo-blood Group Antigen Polymorphism on the Composition of the Microbiota

NCT02349932
View directory record Official record
Conditions
Microbiota Analysis in Healthy Subjects
Interventions
Healthy Adults
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Sep 26, 2026, 5:55 PM EDT
Not yet recruiting Phase 1 Interventional

Fecal MicrobiotaTransplant for the Treatment of Parkinson's Disease

NCT06647277
View directory record Official record
Conditions
Parkinson Disease
Interventions
Fecal Microbiota Transplant
Combination Product
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Sep 26, 2026, 5:55 PM EDT
Recruiting Phase 1 Interventional

Fecal Microbiota Transplantation as a Strategy to Eradicate Resistant Organisms

NCT02543866
View directory record Official record
Conditions
Infection Resistant to Drugs
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
7 Years to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Sep 26, 2026, 5:55 PM EDT
Completed Phase 2 Interventional Results available

Microbiota Restoration Therapy for Recurrent Clostridium Difficile Infection

NCT02299570
View directory record Official record
Conditions
Enterocolitis Clostridium Difficile Recurrent
Interventions
RBX2660 (microbiota suspension), Placebo
Biological · Other
Lead sponsor
Rebiotix Inc.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
19
States / cities
Phoenix, Arizona • Aurora, Colorado • Jacksonville, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Sep 26, 2026, 5:55 PM EDT
Active, not recruiting Phase 1 Interventional

Stool Transplant to Control Treatment-related Diarrhea

NCT04883762
View directory record Official record
Conditions
Fecal Microbiota Transplantation (FMT)
Interventions
Fecal Microbiota Transplantation (FMT)
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 26, 2026, 5:55 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Fecal Microbiota Transplantation for the Treatment of Recurrent Urinary Tract Infections

NCT03050515
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jun 17, 2020 · Synced Sep 26, 2026, 5:55 PM EDT
Terminated No phase listed Observational

Monitoring of Immune and Microbial Reconstitution in (HCT) and Novel Immunotherapies

NCT03557749
View directory record Official record
Conditions
Immune and Microbial Reconstitution, Systemic Viral Infection, Acute-graft-versus-host Disease, Chronic Graft-versus-host-disease, Recurrent Malignancy, Cytokine Release Syndrome, Allogenic Related Donors, Cell Therapy/Immunotherapy Patients
Interventions
Blood Sample, Stool Sample, Urine Sample, Bronchoalveolar Lavage (BAL) fluid, Gastrointestinal biopsy x 2-4, Skin biopsy, Skin, mouth, and/or ocular swab, Apheresis Product, Final cellular product
Diagnostic Test
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Not listed
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 26, 2026, 5:55 PM 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 Sep 26, 2026, 5:55 PM EDT
Active, not recruiting Phase 1 Interventional

CP101 for the Treatment of Ulcerative Colitis

NCT05852574
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
CP-101, CP-101 + Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Sep 26, 2026, 5:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Modulation of Type 1 Diabetes Susceptibility Through the Use of Probiotics

NCT03423589
View directory record Official record
Conditions
Type1diabetes, Type1 Diabetes Mellitus
Interventions
VSL#3
Dietary Supplement
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
5 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 21, 2024 · Synced Sep 26, 2026, 5:55 PM EDT
Terminated Phase 2 Interventional Results available

Penn Microbiome Therapy for Recurrent Clostridium Difficile Infection

NCT03973697
View directory record Official record
Conditions
Recurrent Clostridium Difficile Infection
Interventions
Penn Microbiome Therapy - 001, Penn Microbiome Therapy - 002, Penn Microbiome Therapy - 003
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced Sep 26, 2026, 5:55 PM EDT
Completed No phase listed Observational

Comparison of Gut Microbiota, Inflammation and Symptoms Following Allogeneic HSCT

NCT02398708
View directory record Official record
Conditions
Graft vs Host Disease, Graft Versus Host Disease, Hematopoietic Stem Cell Transplantation, Peripheral Blood Stem Cell Transplantation
Interventions
Questionnaires, Blood Sample, Stool Sample, Clinical data
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 24, 2019 · Synced Sep 26, 2026, 5:55 PM EDT
Not listed Phase 1 Interventional

Reduction of C-Difficile Infection Using Stool Transplant

NCT02112279
View directory record Official record
Conditions
C-difficile
Interventions
Donor microbiota applied via colonoscopy.
Biological
Lead sponsor
Providence Holy Cross Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Mission Hills, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2015 · Synced Sep 26, 2026, 5:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ellagic Acid, Urolithin and Colonic Microbial Communities Affected by Walnut Consumption

NCT04066816
View directory record Official record
Conditions
Colo-rectal Cancer, Colon Cancer, Diet Habit
Interventions
Walnuts
Other
Lead sponsor
UConn Health
Other
Eligibility
50 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 25, 2021 · Synced Sep 26, 2026, 5:55 PM EDT
Enrolling by invitation Phase 1 Interventional

Fecal Microbiome Transplant

NCT02636517
View directory record Official record
Conditions
Clostridium Difficile, Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis
Interventions
Fecal Microbiota Transplant
Biological
Lead sponsor
Judith Kelsen
Other
Eligibility
3 Years to 21 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 26, 2026, 5:55 PM 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 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 26, 2026, 5:55 PM 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 Sep 26, 2026, 5:55 PM EDT
Completed Not applicable Interventional Results available

Safety of Stool Transplant for Patients With Difficult to Treat C. Difficile Infection

NCT02770326
View directory record Official record
Conditions
C. Difficile Infection, Cancer
Interventions
Fecal Microbiota Transplantation (FMT)
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2025 · Synced Sep 26, 2026, 5:55 PM EDT
Recruiting Phase 1 Interventional

Intestinal Microbiota Transplantation in Patients With Chronic Heart Failure

NCT07490054
View directory record Official record
Conditions
Chronic Heart Failure
Interventions
MTP-101-C encapsulated Microbiota, Vancomycin, Neomycin
Biological · Drug
Lead sponsor
Melana Yuzefpolskaya, MD
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 26, 2026, 5:55 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Restoration of Antibiotics Related Infant Microbiota Perturbations by Autologous Fecal Transplant

NCT06609980
View directory record Official record
Conditions
Antibiotic Treatment
Interventions
autologous fecal matter transplant
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
1 Month to 4 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 26, 2026, 5:55 PM EDT
Completed No phase listed Observational

Study Assessing Risk Factors for Abdominal Pain in Children With Inflammatory Bowel Disease

NCT02984059
View directory record Official record
Conditions
Inflammatory Bowel Disease
Interventions
Genomic DNA, RNA analysis, Microbiome, Calprotectin, Pain questionnaires, Anxiety/Depression Questionnaires
Genetic · Other
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
8 Years to 18 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Sep 26, 2026, 5:55 PM 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 Sep 26, 2026, 5:55 PM EDT
Terminated Phase 1 Interventional

FMT for MDRO Colonization After Infection in Renal Transplant Recipients

NCT02922816
View directory record Official record
Conditions
Infection Due to Resistant Organism
Interventions
Fecal Microbiota Transplant (FMT), Bowel preparation, Stool or perirectal swab sampling, Fasting
Biological · Procedure · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Sep 26, 2026, 5:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Full-fat Yogurt and Glucose Tolerance

NCT03577119
View directory record Official record
Conditions
Pre-Diabetes
Interventions
Full-fat yogurt, Non-fat yogurt
Dietary Supplement
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
45 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Sep 26, 2026, 5:55 PM EDT