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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:37 PM EDT

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Showing 97–120 of 913 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Stool Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Testing Interventions to Motivate and Educate

NCT01568151
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Clinic-directed intervention program, Individual Patient-Directed Program
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
50 Years to 85 Years
Enrollment
551 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 28, 2020 · Synced Oct 21, 2026, 6:37 PM 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 26, 2026 · Synced Oct 21, 2026, 6:37 PM EDT
Completed Early Phase 1 Interventional

A Single Dose FMT Infusion as an Adjunct to Keytruda for Metastatic Mesothelioma

NCT04056026
View directory record Official record
Conditions
Mesothelioma
Interventions
Fecal Microbiota Transplant
Biological
Lead sponsor
ProgenaBiome
Other
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Oct 21, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Congenital Heart Anomaly Risk in Maternal Enteroviral Infection and Diabetes

NCT04769167
View directory record Official record
Conditions
Congenital Heart Disease, Viremia, Virus Diseases, Enterovirus, Enterovirus Infections, Heart Defects, Congenital, Heart Diseases, Prenatal Infection, Diabetes, Diabetes Mellitus, Type 2, Diabetes Mellitus, Type 1, Diabetes Mellitus, Pregnancy in Diabetic, Pregnancy Complications, Prenatal
Interventions
Stool and Blood Specimen Collection, Follow-up Medical Record Review
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 21, 2026, 6:37 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Fecal Microbiota Transplantation for the Treatment of Primary Sclerosing Cholangitis.

NCT02424175
View directory record Official record
Conditions
Sclerosing Cholangitis
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 21, 2026, 6:37 PM EDT
Active, not recruiting Not applicable Interventional

Behavioral Economic Approaches for Population-Based Colorectal Cancer Screening

NCT05693649
View directory record Official record
Conditions
Colorectal Cancer
Interventions
No Direct Patient Outreach, Direct Patient Outreach: Colonoscopy Only, Direct Patient Outreach: Sequential Choice, Visit-Based Nudge/Text, No Nudge/Text
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
50 Years to 72 Years
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 21, 2026, 6:37 PM 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 30, 2024 · Synced Oct 21, 2026, 6:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

COVID-19: Human Epidemiology and Response to SARS-CoV-2

NCT04375761
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19), SARS-CoV-2
Interventions
Collection of Biological Samples, Symptom and Exposure Surveys
Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
5,599 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
20
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Oct 21, 2026, 6:37 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Elucidation of Breast Milk Composition and Structure Over the First Year of Lactation: UC Davis Lactation Study

NCT01817127
View directory record Official record
Conditions
Healthy, Gestational Diabetes Mellitus, Type 2 Diabetes Mellitus
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
395 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2028
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 21, 2026, 6:37 PM EDT
Completed Early Phase 1 Interventional

Effect of High-Legume Diet on Colorectal Cancer Risk

NCT00339469
View directory record Official record
Conditions
Inflammation, Prevention and Control, Colonic Neoplasms, Diet, Insulin
Interventions
LIFE
Dietary Supplement
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
35 Years to 75 Years · Male only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 21, 2026, 6:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Precision Crohn's Disease Management Utilizing Predictive Protein Panels (ENvISION)

NCT04131504
View directory record Official record
Conditions
Crohn's Disease, IBD
Interventions
Infliximab, Adalimumab
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Year to 22 Years
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
4
States / cities
Hartford, Connecticut • Cincinnati, Ohio • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Oct 21, 2026, 6:37 PM 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
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 21, 2026, 6:37 PM EDT
Completed No phase listed Observational

Rescue FMT with Bezlotoxumab for Recurrent C. Difficile Infection

NCT06669936
View directory record Official record
Conditions
Recurrent C. Difficile Infection
Interventions
Fecal microbiota transplantation ± bezlotoxumab
Drug
Lead sponsor
Alexander Khoruts
Other
Eligibility
18 Years to 100 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 1, 2024 · Synced Oct 21, 2026, 6:37 PM 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 26, 2018 · Synced Oct 21, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Small Bowel Microbiota Characterization in Healthy Individuals Before and After Consumption of a Western Diet

NCT03266536
View directory record Official record
Conditions
Small Intestine Bacteria
Interventions
Western diet
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Oct 21, 2026, 6:37 PM EDT
Recruiting Not applicable Interventional

Engagement of American Indians of Southwestern Tribal Nations in Cancer Genome Sequencing

NCT06207864
View directory record Official record
Conditions
Malignant Neoplasm
Interventions
Biospecimen Collection, Return of Results, Survey Administration
Procedure · Other
Lead sponsor
New Mexico Cancer Research Alliance
Other
Eligibility
18 Years and older
Enrollment
1,001 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 21, 2026, 6:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

AI-EMERGE: Development and Validation of a Multi-analyte, Blood-based Colorectal Cancer Screening Test

NCT03688906
View directory record Official record
Conditions
Colo-rectal Cancer, Cancer Colon, Cancer, Rectum, Neoplasms,Colorectal, Polyps, Polyp of Colon, Adenoma, Adenoma Colon
Interventions
Not listed
Lead sponsor
Freenome Holdings Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
29
States / cities
Huntsville, Alabama • Chandler, Arizona • Tucson, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 21, 2026, 6:37 PM EDT
Not listed Phase 2 Interventional

Microbiota Transplant Therapy for Children With Both Autism Spectrum Disorder and Gastrointestinal Disorders

NCT06503978
View directory record Official record
Conditions
Autism Spectrum Disorder, Gastro-Intestinal Disorder, Constipation, Diarrhea
Interventions
MTP-101P, Vancomycin, Miralax, Antacid, Placebo MTP-101P, Placebo Vancomycin
Combination Product
Lead sponsor
Gut-Brain-Axis Therapeutics Inc.
Other
Eligibility
4 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Oct 21, 2026, 6:37 PM EDT
Terminated No phase listed Observational

Non-Invasive Prediction of Colorectal Neoplasia

NCT01815463
View directory record Official record
Conditions
Colonic Polyps, Polyposis Coli, Colorectal Cancer
Interventions
Not listed
Lead sponsor
Corporal Michael J. Crescenz VA Medical Center
Federal
Eligibility
18 Years to 85 Years
Enrollment
2,282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Oct 21, 2026, 6:37 PM EDT
Completed Phase 3 Interventional

Safety and Efficacy Study Evaluating TRx0237 in Subjects With Mild Alzheimer's Disease

NCT01689233
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
TRx0237 200 mg/day, Placebo
Drug
Lead sponsor
TauRx Therapeutics Ltd
Industry
Eligibility
Up to 89 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
58
States / cities
Phoenix, Arizona • Bellflower, California • Costa Mesa, California + 53 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2018 · Synced Oct 21, 2026, 6:37 PM EDT
Terminated Not applicable Interventional Results available

Sacral Neuromodulation in Dual Incontinence: Ultrasound and Afferent Nerve Sensation Assessment

NCT02357784
View directory record Official record
Conditions
Dual Incontinence, Fecal Incontinence, Urinary Incontinence, Sacral Neuromodulation
Interventions
Neurometer
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 16, 2023 · Synced Oct 21, 2026, 6:37 PM EDT
Recruiting No phase listed Observational

Microbiome Determinants of Adverse Effects of Stereotactic Radiosurgery

NCT07767981
View directory record Official record
Conditions
Adverse Radiation Effects, Radiation Necrosis
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 21, 2026, 6:37 PM EDT
Completed Not applicable Interventional Results available

Helping Patients and Providers Make Better Decisions About Colorectal Cancer Screening

NCT04683731
View directory record Official record
Conditions
Cancer Screening Tests
Interventions
Decision aid without personalized message, Decision aid with personalized message, Provider notification without personalized message, Provider notification with personalized message
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 75 Years
Enrollment
1,111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 13, 2024 · Synced Oct 21, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enteral Glutamine in Reducing Bloodstream Infections in Short Bowel Syndrome Infants

NCT01576003
View directory record Official record
Conditions
Bloodstream Infections, Short Bowel Syndrome, Development, Nutrition, Biological Markers
Interventions
Glutamine, L-alanine
Drug · Dietary Supplement
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Weeks to 12 Months
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
2
States / cities
Ann Arbor, Michigan • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Oct 21, 2026, 6:37 PM EDT