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ClinicalTrials.gov public records Last synced Oct 20, 2026, 10:07 PM EDT

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Showing 457–480 of 513 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Stool Clear all
Active, not recruiting Phase 1 Interventional

Implantation of BioSphincter TM for Treatment of Severe Passive Fecal Incontinence

NCT05616208
View directory record Official record
Conditions
Fecal Incontinence
Interventions
Bioengineered Internal Anal Sphincter
Biological
Lead sponsor
Cellf Bio LLC
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Oct 20, 2026, 10:07 PM EDT
Completed Not applicable Interventional

Vitamin D Supplementation in Older Adults With Urinary Incontinence

NCT01971801
View directory record Official record
Conditions
Urinary Incontinence, Vitamin D Deficiency
Interventions
Vitamin D3 50,000 IU, Placebo
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
50 Years and older · Female only
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 9, 2018 · Synced Oct 20, 2026, 10:07 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effects of Triphala and VSL#3 Probiotic Supplementation on Stool Microbiome Profiles and Inflammation

NCT03907501
View directory record Official record
Conditions
Human Microbiome
Interventions
Synbiotic, Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
65 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jul 6, 2023 · Synced Oct 20, 2026, 10:07 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

ALPCO Calprotectin CLIA Assay - Measurement of Calprotectin Levels in Human Stool

NCT06810518
View directory record Official record
Conditions
Inflammatory Bowel Disease (Crohn's Disease and Ulcerative Colitis), Inflammatory Bowel Syndrome
Interventions
ALPCO Calprotectin CLIA
Device
Lead sponsor
American Laboratory Products Company
Industry
Eligibility
22 Years and older
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Miami, Florida • Salem, New Hampshire • Westlake, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 20, 2026, 10:07 PM EDT
Completed Phase 1 Interventional

Microbial, Immune, and Metabolic Perturbations by Antibiotics (MIME Study)

NCT02707042
View directory record Official record
Conditions
Normal Physiology, Healthy
Interventions
Amoxicillin, Azithromycin, Control
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 20, 2026, 10:07 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Trial to Evaluate Fecobionics in Fecal Incontinence (FI) (NORMAL and ABNORMAL-FI)

NCT05412069
View directory record Official record
Conditions
Normal Subjects, Fecal Incontinence
Interventions
Fecobionics
Device
Lead sponsor
The California Medical Innovations Institute, Inc.
Other
Eligibility
18 Years to 75 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
2
States / cities
San Diego, California • Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Oct 20, 2026, 10:07 PM EDT
Completed No phase listed Observational

Stool Collection Sub-Study of Exact Sciences Protocol 2018-01

NCT04473625
View directory record Official record
Conditions
Colorectal Cancer, Colo-rectal Cancer, Cancer
Interventions
Stool Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
12
States / cities
Tucson, Arizona • Hot Springs, Arkansas • Little Rock, Arkansas + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Oct 20, 2026, 10:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Regimens for Constipation Symptoms

NCT03845673
View directory record Official record
Conditions
Constipation
Interventions
Psyllium, Bowel recipe
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 19, 2019 · Synced Oct 20, 2026, 10:07 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 20, 2026, 10:07 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 20, 2026, 10:07 PM EDT
Completed Not applicable Interventional

A Video Intervention to Decrease Patient Fear of Colonoscopy After a Positive Fecal Immunochemical Test

NCT05458986
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Media Intervention, Best Practice, Questionnaire Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
45 Years to 75 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 30, 2024 · Synced Oct 20, 2026, 10:07 PM EDT
Not listed No phase listed Observational

Stool Sample Collection Study

NCT06294873
View directory record Official record
Conditions
Colorectal Cancer
Interventions
A screening device for the detection of colorectal and other aerodigestive tract cancers
Diagnostic Test
Lead sponsor
Innovis LLC
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
3
States / cities
Anaheim, California • Ocala, Florida • Cordova, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Oct 20, 2026, 10:07 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

An 8-Week Study Evaluating Gut and Digestive Health After Use of a Dietary Supplement System

NCT07421596
View directory record Official record
Conditions
Gastrointestinal Symptoms, Digestive Health, Gut Health
Interventions
PhytoPower 1 and PhytoPower 2
Dietary Supplement
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 20, 2026, 10:07 PM EDT
Active, not recruiting Phase 3 Interventional

An Open Label Study of CM-AT for the Treatment of Children With Autism

NCT02649959
View directory record Official record
Conditions
Autism
Interventions
CM-AT
Drug
Lead sponsor
Curemark
Industry
Eligibility
3 Years to 17 Years
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2028
U.S. locations
31
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 20, 2026, 10:07 PM EDT
Completed Not applicable Interventional Results available

A Study to Evaluate the Safety, Tolerability and Effectiveness of the Renew Insert in Treating Accidental Bowel Leakage

NCT01475474
View directory record Official record
Conditions
Bowel Incontinence
Interventions
Renew Insert
Device
Lead sponsor
Renew Medical
Industry
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
Los Gatos, California • San Diego, California • Weston, Florida
Source: ClinicalTrials.gov public record
Updated Nov 28, 2013 · Synced Oct 20, 2026, 10:07 PM EDT
Active, not recruiting Phase 2 Interventional

Fecal Microbiota Transplant as Treatment of Hepatic Encephalopathy

NCT03420482
View directory record Official record
Conditions
Hepatic Encephalopathy
Interventions
Fecal Microbiota Transplant (FMT) oral capsules, Placebo oral capsule
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 31, 2025 · Synced Oct 20, 2026, 10:07 PM EDT
Completed Phase 4 Interventional

Fecal Microbiota Transplant

NCT04090346
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbiota Transplant
Drug
Lead sponsor
Methodist Health System
Other
Eligibility
Not listed
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 20, 2026, 10:07 PM EDT
Completed Not applicable Interventional

Posterior Tibial Nerve Stimulation for Children With Pelvic Floor Dyssynergia

NCT06528470
View directory record Official record
Conditions
Constipation, Fecal Incontinence in Children, Pelvic Floor Dyssynergia
Interventions
Posterior Tibial Nerve Stimulation (PTNS), Sham Stimulation
Device
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
8 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 6, 2026 · Synced Oct 20, 2026, 10:07 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 20, 2026, 10:07 PM EDT
Active, not recruiting Early Phase 1 Interventional

Fecal Microbiota Transplant for Autobrewery Syndrome

NCT06083142
View directory record Official record
Conditions
Auto-Brewery Syndrome, Gut Fermentation Syndrome
Interventions
Fecal microbiota transplantation capsules
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 20, 2026, 10:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Patient Portal Messaging Before Mailing Fecal Immunochemical Testing Kit on Colorectal Cancer Screening Rates

NCT05115916
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Neoplasms, Colorectal Cancer Screening
Interventions
MyChart Priming Message
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
51 Years to 75 Years
Enrollment
3,880 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Westwood, Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 10, 2021 · Synced Oct 20, 2026, 10:07 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Fecal Microbiota Transplant for Improvement of Metabolism

NCT02530385
View directory record Official record
Conditions
Obesity
Interventions
Placebo Capsules, FMT Capsules
Other · Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
25 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 25, 2019 · Synced Oct 20, 2026, 10:07 PM EDT
Completed Not applicable Interventional Results available

A Clinical Evaluation of a Vaginal Bowel Control System for the Treatment of Fecal Incontinence in Women (LIFE)

NCT01655498
View directory record Official record
Conditions
Fecal Incontinence
Interventions
vaginal bowel control system (LivSure)
Device
Lead sponsor
Pelvalon, Inc.
Industry
Eligibility
19 Years to 75 Years · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Oct 20, 2026, 10:07 PM 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 29, 2023 · Synced Oct 20, 2026, 10:07 PM EDT