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ClinicalTrials.gov public records Last synced Sep 13, 2026, 7:35 AM EDT

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Showing 1–24 of 906 matching trials from the live ClinicalTrials.gov search.
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Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Food DNA Digestion

NCT06687226
View directory record Official record
Conditions
Digestion Rate
Interventions
Reconstitutable food powder
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 13, 2026, 7:35 AM EDT
Not listed Phase 2 Interventional

Gut Microbiota Changes After Fecal Microbiota Transplantation

NCT02557685
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 22, 2015 · Synced Sep 13, 2026, 7:35 AM EDT
Not listed Phase 1 Interventional

The Gut-Brain Study

NCT03426826
View directory record Official record
Conditions
Autism Spectrum Disorder (ASD), Gastro-Intestinal Disorder
Interventions
FMT versus placebo
Biological
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
5 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2023 · Synced Sep 13, 2026, 7:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scavenging of Reactive Carbonyl Species by Apple Polyphenols in Human

NCT03911050
View directory record Official record
Conditions
Human Health, Polyphenols, Pharmacokinetics
Interventions
Apple consumption, Control group
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 13, 2026, 7:35 AM EDT
Completed No phase listed Observational

The Role of the Pregnane X Receptor (PXR) in Indole Signaling and Intestinal Permeability in Inflammatory Bowel Disease

NCT04089501
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
Stool collection, Biopsy collection
Diagnostic Test
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Up to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2019 · Synced Sep 13, 2026, 7:35 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Prospective Screening for Pancreatic Ductal Adenocarcinoma in High-Risk Individuals

NCT06122896
View directory record Official record
Conditions
Pancreatic Cancer, Pancreatic Ductal Adenocarcinoma, PDAC, PDAC - Pancreatic Ductal Adenocarcinoma, Pancreatic Neoplasm
Interventions
Screening Blood Tests, Endoscopic Ultrasound, Magnetic Resonance Imaging, Magnetic Resonance Cholangiopancreatography
Other · Diagnostic Test · Combination Product
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2041
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 13, 2026, 7:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Controlled Feeding Experiment

NCT00951756
View directory record Official record
Conditions
Effect of Diet on Microbiome Composition
Interventions
High fat diet
Other
Lead sponsor
James Lewis
Other
Eligibility
18 Years to 40 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2013 · Synced Sep 13, 2026, 7:35 AM EDT
Suspended Not applicable Interventional

Ketogenic Dietary Intervention to Improve Response to Immunotherapy in Patients With Metastatic Melanoma and Metastatic Kidney Cancer

NCT06391099
View directory record Official record
Conditions
Clinical Stage IV Cutaneous Melanoma AJCC v8, Metastatic Cutaneous Melanoma, Metastatic Renal Cell Carcinoma, Stage IV Renal Cell Cancer AJCC v8
Interventions
Best Practice, Biospecimen Collection, Computed Tomography, Dietary Intervention, Educational Activity, Glucose Measurement, Ketone Measurement, Questionnaire Administration
Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 13, 2026, 7:35 AM EDT
Active, not recruiting Not applicable Interventional

F15 Recharge Free Axonics SNM System Clinical Study

NCT06186765
View directory record Official record
Conditions
Urinary Urge Incontinence (UUI), Urinary Frequency (UF), Fecal Incontinence (FI)
Interventions
Axonics SNM System (Model 4101)
Device
Lead sponsor
Axonics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
11
States / cities
Waterford, Connecticut • Bradenton, Florida • Jacksonville, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 13, 2026, 7:35 AM EDT
Not listed Phase 1Phase 2 Interventional

Safety Evaluation of Fecal Microbiota Transplantation in Severe Alcoholic Hepatitis

NCT05006430
View directory record Official record
Conditions
Alcoholic Hepatitis
Interventions
Fecal Microbiota Transplantation, Placebo
Biological · Other
Lead sponsor
Prasun Kumar Jalal
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Sep 13, 2026, 7:35 AM EDT
Completed Phase 2 Interventional Results available

SER-109 Versus Placebo to Prevent Recurrent Clostridium Difficile Infection (RCDI)

NCT02437487
View directory record Official record
Conditions
Clostridium Difficile
Interventions
SER-109, Placebo
Drug
Lead sponsor
Seres Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
30
States / cities
Oceanside, California • Sacramento, California • Ventura, California + 26 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2018 · Synced Sep 13, 2026, 7:35 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Fecal Microbiota Therapy for Recurrent Clostridium Difficile Colitis

NCT01973465
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Stool
Biological
Lead sponsor
OSF Healthcare System
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 30, 2013 · Synced Sep 13, 2026, 7:35 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Evaluation of Outcomes of Restoring Pelvic Floor Support With TOPAS in Women With Moderate Fecal Incontinence Symptoms

NCT00565136
View directory record Official record
Conditions
Fecal Incontinence
Interventions
TOPAS
Device
Lead sponsor
ASTORA Women's Health
Industry
Eligibility
21 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
5
States / cities
Cambridge, Massachusetts • Minneapolis, Minnesota • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated May 22, 2016 · Synced Sep 13, 2026, 7:35 AM 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 9, 2025 · Synced Sep 13, 2026, 7:35 AM EDT
Completed Phase 2 Interventional Results available

ICON-2: FMT and Bezlotoxumab Compared to FMT and Placebo for Patients With IBD and CDI

NCT03829475
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Clostridium Difficile Infection
Interventions
Bezlotoxumab, Placebo, Fecal Microbiota Transplantation
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Sep 13, 2026, 7:35 AM EDT
Not listed Phase 1 Interventional

Fecal Transplant for Pediatric Patients Who Have Recurrent C-diff Infection

NCT02134392
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
Jonathan Gisser
Other
Eligibility
2 Years to 21 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 13, 2026, 7:35 AM EDT
Completed Phase 2 Interventional Results available

Antibiotic "Dysbiosis" in Preterm Infants

NCT02784821
View directory record Official record
Conditions
Enterocolitis, Necrotizing, Bacteremia, Bronchopulmonary Dysplasia, Intraventricular Hemorrhage, Periventricular Leukomalacia, Chronic Lung Disease, Ileal Perforation
Interventions
Antibiotic, Gastric fluid, Breast milk, Stool samples, Antibiotics
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
23 Weeks to 33 Weeks
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Sep 13, 2026, 7:35 AM EDT
No Longer Available No phase listed Expanded access

Fecal Microbiota Transplant for Neuroblastoma in a Single Patient

NCT07223606
View directory record Official record
Conditions
Neuroblastoma, Neuroblastoma (NB), Neuroblastoma (NBL), Neuroblastoma (Measurable Disease), Neuroblastoma Recurrent, Neuroblastoma in Children, Neuroblastoma. CNS
Interventions
Fecal Microbial Transplantation
Biological
Lead sponsor
ProgenaBiome
Other
Eligibility
5 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Nov 2, 2025 · Synced Sep 13, 2026, 7:35 AM EDT
Active, not recruiting No phase listed Observational

Exploring Relevant Immune-based Biomarkers and Circulating Tumor Cells During Treatment With Immunotherapy in Genitourinary Malignancies (CTC Immune Based Biomarkers)

NCT02978118
View directory record Official record
Conditions
Carcinoma, Renal Cell, Carcinoma, Urothelial
Interventions
Immune cell and CTC detection procedures
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 13, 2026, 7:35 AM EDT
Recruiting Phase 1 Interventional

Feasibility, Safety, and Potential Efficacy of Fecal Microbiota Transplantation (FMT) for Gastrointestinal Dysfunction in Children Following Hematopoietic Cell Transplant (HCT).

NCT05664113
View directory record Official record
Conditions
Gastro-Intestinal Disorder
Interventions
Fecal microbiota transplant (FMT)
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 22 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 13, 2026, 7:35 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

FMT in Uncomplicated Diverticulitis

NCT05373784
View directory record Official record
Conditions
Diverticulitis, Uncomplicated Diverticular Disease
Interventions
Fecal Microbiota Transplantation (FMT)
Biological
Lead sponsor
Justin Maykel
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 13, 2026, 7:35 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study of Using Computerized Education to Increase Patients' Confidence in Their Ability to Be Screened for Colon Cancer

NCT00273585
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
Personally-tailored educational software program
Device
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2006 · Synced Sep 13, 2026, 7:35 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Fecal Microbiota Transplant (FMT) in Pediatric Active Ulcerative Colitis and Pediatric Active Crohn's Colitis

NCT02330653
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Ulcerative Colitis, Crohn Disease
Interventions
Fecal Microbiota Transplant (FMT), Placebo
Biological
Lead sponsor
Stacy A. Kahn
Other
Eligibility
5 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Sep 13, 2026, 7:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gut Microbiome Pill

NCT07243756
View directory record Official record
Conditions
Healthy
Interventions
3D-printed ingestible pill
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 13, 2026, 7:35 AM EDT