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ClinicalTrials.gov public records Last synced Oct 17, 2026, 7:13 PM EDT

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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Microbial Transplant Clear all
Completed Early Phase 1 Interventional

Fecal Microbial Transplantation in Patients With Crohn's Disease

NCT03267238
View directory record Official record
Conditions
Crohn Disease
Interventions
Fecal Microbial Transplantation
Biological
Lead sponsor
Stony Brook University
Other
Eligibility
7 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 3 Interventional Results available

Microbiota Restoration Therapy for Recurrent Clostridium Difficile Infection (PUNCHCD3)

NCT03244644
View directory record Official record
Conditions
Clostridium Difficile Infection (CDI)
Interventions
RBX2660, Placebo, Open label RBX2660 (only for confirmed CDI recurrence)
Drug
Lead sponsor
Rebiotix Inc.
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
60
States / cities
Athens, Alabama • Dothan, Alabama • Phoenix, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 1 Interventional

Fresh Versus Frozen Stool for Fecal Transplant in Children

NCT02423967
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Transplant uses frozen anonymous stool, Transplant uses fresh familial stool
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
1 Year to 18 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 6, 2019 · Synced Oct 17, 2026, 7:13 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Feasibility and Safety Study of Parent-to-Child Nasal Microbiota Transplant

NCT05695196
View directory record Official record
Conditions
Staphylococcus Aureus, Microbial Colonization, Neonatal Infection
Interventions
nasal microbiota transplant (NMT), Placebo
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
Up to 60 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 1 Interventional

Fecal Microbial Transplant (FMT) for Sjogrens Syndrome

NCT03926286
View directory record Official record
Conditions
Sjogren's Syndrome
Interventions
FMP-30
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 5, 2020 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 1 Interventional Results available

Gut Microbial Transplantation in Pediatric Inflammatory Bowel Diseases

NCT01560819
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD)
Interventions
Gut Microbial Transplantation
Drug
Lead sponsor
Corewell Health West
Other
Eligibility
7 Years to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 2, 2023 · Synced Oct 17, 2026, 7:13 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 21, 2023 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 1Phase 2 Interventional Results available

FMT in Cirrhosis and Hepatic Encephalopathy

NCT03796598
View directory record Official record
Conditions
Cirrhosis, Hepatic Encephalopathy
Interventions
Fecal Microbial transplant Capsules, Fecal Microbial Transplant Enema, Placebo
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Early Phase 1 Interventional

Rifaximin for Infection Prophylaxis in Hematopoietic Stem Cell Transplantation

NCT03529825
View directory record Official record
Conditions
Microbial Colonization
Interventions
Rifaximin
Drug
Lead sponsor
Emory University
Other
Eligibility
2 Years to 21 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 12, 2021 · Synced Oct 17, 2026, 7:13 PM EDT
Recruiting Early Phase 1 Interventional

Fecal Microbiota Transplantation in Kidney Stone Patients

NCT05516472
View directory record Official record
Conditions
Kidney Stones
Interventions
Microbial Transplant Therapy, Placebo
Drug
Lead sponsor
Joshua Stern
Other
Eligibility
18 Years to 69 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Park City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Oct 17, 2026, 7:13 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Comparing Single Versus Repeat NMT on the Diversity of the Neonatal Nasal Microbiome

NCT06283355
View directory record Official record
Conditions
Staphylococcus Aureus, Microbial Colonization, Neonatal Infection
Interventions
Nasal Microbiota Transplant (NMT), Placebo
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
0 Years to 60 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 3 Interventional Results available

Microbiota Restoration Therapy for Recurrent Clostridium Difficile Infection (PUNCH CD3-OLS)

NCT03931941
View directory record Official record
Conditions
Clostridium Difficile Infection, Infection, Communicable Diseases
Interventions
RBX2660
Drug
Lead sponsor
Rebiotix Inc.
Industry
Eligibility
18 Years and older
Enrollment
793 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
46
States / cities
Phoenix, Arizona • North Little Rock, Arkansas • Oxnard, California + 43 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2024 · Synced Oct 17, 2026, 7:13 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Laser Assisted Treatment of Chronic Sinusitis With and Without Light Activated Agents

NCT00948519
View directory record Official record
Conditions
Rhinosinusitis
Interventions
Laser + ICG, Laser only
Device
Lead sponsor
New York Head & Neck Institute
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 22, 2011 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Not applicable Interventional

The Use of A Prebiotic to Promote a Healthy Gut Microbiome in Pediatric Stem Cell Transplant Recipients

NCT04111471
View directory record Official record
Conditions
Microbial Colonization
Interventions
Prebiotics, Placebos
Dietary Supplement
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
2 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Oct 17, 2026, 7:13 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Administering NMT to Reestablish Infant Nasal Microbiome Diversity Following Intranasal Mupirocin Treatment

NCT06805994
View directory record Official record
Conditions
Staphylococcal Aureus Infection, Microbial Colonization, Pediatric Infection, S. Aureus Colonization, Microbial Transplant
Interventions
Nasal Microbiota Transplant (NMT), Placebo
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
0 Years to 60 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety and Efficacy of FMT in Individuals With One or More Recurrences of Clostridium Difficile Associated Disease (CDAD)

NCT03548051
View directory record Official record
Conditions
Clostridial Infection, Dysbiosis, Probiotic Therapy
Interventions
Fecal Microbiota Transplantation (FMT), Saline
Procedure · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
3
States / cities
Decatur, Georgia • Durham, North Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Oct 17, 2026, 7:13 PM EDT
Completed No phase listed Observational

Effects of Stem Cell Transplantation on Bacteria in the Mouth

NCT00476450
View directory record Official record
Conditions
Allogeneic Peripheral Blood Stem Cell Transplant
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Early Phase 1 Interventional

Oral FMT (Fecal Microbial Transplant) in Subjects With Multiple Sclerosis

NCT04096443
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Fecal microbial transplant (FMT)
Biological
Lead sponsor
Griffin Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Terminated Phase 1Phase 2 Interventional

Fecal Microbial Transplant in Pediatric Crohn's Disease

NCT02272868
View directory record Official record
Conditions
Crohn's Disease
Interventions
Fecal Microbial transplant, Normal Saline, rifaximin+omeprazole+miralax
Biological · Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
12 Years to 21 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 29, 2021 · Synced Oct 17, 2026, 7:13 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Fecal Microbial Transplantation for the Treatment of Fecal Incontinence in Women

NCT04201821
View directory record Official record
Conditions
Fecal Incontinence
Interventions
fecal microbial transplantation (FMT)
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 12, 2024 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 3 Interventional Results available

A Multi-center, Single-arm Trial Exploring the Safety and Clinical Effectiveness of RBX2660 Administered by Colonoscopy to Adults With Recurrent Clostridioides Difficile Infection

NCT05831189
View directory record Official record
Conditions
Clostridium Difficile Infection Recurrence
Interventions
RBX2660
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
12
States / cities
North Little Rock, Arkansas • Camarillo, California • Hamden, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Phase 1 Interventional

Fecal Microbial Transplant for Alcohol Misuse in Cirrhosis

NCT03416751
View directory record Official record
Conditions
Cirrhosis, Alcohol Abuse
Interventions
Fecal Microbial Transplant, Placebo
Biological · Other
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
21 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Oct 17, 2026, 7:13 PM EDT
Completed No phase listed Observational

Metagenomics Next-generation Sequencing Approach to Detect Microbial DNA/RNA Overtime in Individuals Undergoing Hematopoietic Stem Cell Transplant

NCT06904053
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplantation
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
3 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 17, 2026, 7:13 PM EDT
Completed Early Phase 1 Interventional

Fecal Microbial Transplantation for C. Difficile and/or Ulcerative Colitis or Indeterminate Colitis

NCT03268213
View directory record Official record
Conditions
Clostridium Difficile Infection, Ulcerative Colitis, Indeterminate Colitis
Interventions
Fecal Microbial Transplantation
Biological
Lead sponsor
Stony Brook University
Other
Eligibility
7 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced Oct 17, 2026, 7:13 PM EDT