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ClinicalTrials.gov public records Last synced Oct 19, 2026, 6:22 AM EDT

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Showing 121–144 of 235 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Stool Tests Clear all
Completed Not applicable Interventional

Randomized Trial of Follow-up to Mailed FIT Kits

NCT06805383
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
Phone call, Mailed FIT Kit
Behavioral · Other
Lead sponsor
University of Southern California
Other
Eligibility
45 Years to 59 Years
Enrollment
2,135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Martinez, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Oct 19, 2026, 6:22 AM EDT
Completed Not applicable Interventional Results available

Translation of Colorectal Cancer Screening Guidelines to Practice: A System Intervention

NCT00122187
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Electronic Consult System
Device
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
9
States / cities
Phoenix, Arizona • Tucson, Arizona • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2015 · Synced Oct 19, 2026, 6:22 AM EDT
Completed Not applicable Interventional Results available

Information With or Without Numbers For Optimizing Reasoning About Medical Decisions

NCT02477553
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
DA - Quantitative, DA - Verbal
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 75 Years
Enrollment
728 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Oct 19, 2026, 6:22 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Pulse Consumption, Gut Microbiome, and Appetite in Healthy Participants

NCT07043712
View directory record Official record
Conditions
Microbial Colonization, Metabolic Syndrome
Interventions
High pulse consumption
Dietary Supplement
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
20 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 19, 2026, 6:22 AM EDT
Completed Phase 4 Interventional Results available

A Within Subjects Comparison of Two Antegrade Flushing Regimens in Children

NCT02435069
View directory record Official record
Conditions
Fecal Incontinence, Neurogenic Bowel
Interventions
Dose Response - NS and USP Glycerin - First Intervention, Effectiveness - NS and USP Glycerin - Second Intervention
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
3 Years to 12 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 19, 2026, 6:22 AM EDT
Completed Not applicable Interventional

Urinary Prostaglandin E Metabolite (PGE-M), A Metabolite of Prostaglandin E2 (PGE2): A Novel Biomarker of Crohn's Disease Activity

NCT00496548
View directory record Official record
Conditions
Crohn's Disease
Interventions
Fecal calprotectin, Urinary PGE-M Level
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Oct 19, 2026, 6:22 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

PyloPlus Urea Breath Test System Pediatric Safety and Efficacy Study

NCT05276557
View directory record Official record
Conditions
Helicobacter Pylori, Safety, Efficacy
Interventions
PyloPlus Urea Breath Test System, Stool Antigen Test
Combination Product · Diagnostic Test
Lead sponsor
ARJ Medical, Inc.
Industry
Eligibility
3 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
3
States / cities
Doral, Florida • Orlando, Florida • El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 19, 2026, 6:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Variability in Microbial Response to Dietary Fiber

NCT06023940
View directory record Official record
Conditions
Microbial Colonization
Interventions
High fiber
Dietary Supplement
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
45 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Oct 19, 2026, 6:22 AM EDT
Completed Phase 1Phase 2 Interventional

Improving Fecal Occult Blood Test Completion Rates Among Veterans

NCT01516489
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Stage 1, Stage 2
Behavioral
Lead sponsor
Corporal Michael J. Crescenz VA Medical Center
Federal
Eligibility
Male only
Enrollment
1,549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 26, 2015 · Synced Oct 19, 2026, 6:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Serial SMS Reminders and an Opt-out Mailed FIT Kits to Improve Colorectal Screening Participation: A Single Center RCT

NCT03479645
View directory record Official record
Conditions
Bowel Cancer, Colon Cancer
Interventions
Serial text messages and mailed FIT kit
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 74 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Oct 19, 2026, 6:22 AM 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 19, 2026, 6:22 AM EDT
Not listed Phase 2 Interventional

Microbiota Transfer Therapy for Children and Adults With Both Pitt Hopkins Syndrome and Gastrointestinal Disorders

NCT06321796
View directory record Official record
Conditions
Pitt Hopkins Syndrome
Interventions
MTP-101P, Vancomycin, Magnesium Citrate, Antacid, Placebo MTP-101P, Placebo Vancomycin
Combination Product
Lead sponsor
Gut-Brain-Axis Therapeutics Inc.
Other
Eligibility
5 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 20, 2024 · Synced Oct 19, 2026, 6:22 AM EDT
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 7, 2026 · Synced Oct 19, 2026, 6:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Addressing Disparities in Colorectal Cancer Screening in Black and Underserved Phoenix Communities

NCT05447923
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Educational Intervention, Fecal Immunochemical Test, Patient Navigation, Questionnaire Administration
Other · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
45 Years and older
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2030
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 19, 2026, 6:22 AM EDT
Withdrawn Not applicable Interventional

The Effect of Yogurt in Cancer Patient With Moderate Gastrointestinal (GI) Symptoms

NCT03177681
View directory record Official record
Conditions
Malignant Neoplasms of Independent (Primary) Multiple Sites
Interventions
Tongue Assessment, Stool Sample, Questionnaires, Holter Monitor, Yogurt
Other · Behavioral · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Oct 19, 2026, 6:22 AM EDT
Terminated Not applicable Interventional

Comparison of Barium Enema, Computed Tomographic Colonography, and Colonoscopy in Detecting Colon Cancer

NCT00016029
View directory record Official record
Conditions
Colorectal Cancer
Interventions
screening questionnaire administration, barium enema injection, computed tomography, computed tomography colonography, diagnostic colonoscopy, screening colonoscopy
Other · Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
775 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
14
States / cities
La Jolla, California • San Francisco, California • Vero Beach, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2013 · Synced Oct 19, 2026, 6:22 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

User Testing of the Evivo Screening Test

NCT03601936
View directory record Official record
Conditions
Gut Microbiome
Interventions
Evivo Infant Gut Bifidobacterium Screening Test
Device
Lead sponsor
Evolve BioSystems, Inc.
Industry
Eligibility
Up to 6 Months
Enrollment
231 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
5
States / cities
Los Angeles, California • Marietta, Georgia • Gresham, Oregon + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 19, 2026, 6:22 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Mechanisms of Hypoglycemia in Patients Without Diabetes

NCT04428723
View directory record Official record
Conditions
Hypoglycemia
Interventions
Entry of demographic and medical history data into a deidentified database, Blood sample for DNA analysis, Stool sample for microbiome analysis, Mixed meal tolerance test, Continuous glucose monitoring, activity monitor
Other · Genetic · Diagnostic Test
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 70 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 19, 2026, 6:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Multilevel Intervention to Increase Colorectal Cancer Screening Tests in Patients With Abnormal Fecal Immunochemical Test Results, PROACT Trial

NCT06822530
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Best Practice, Educational Intervention, Electronic Health Record Review, Interview, Supportive Care, Survey Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
45 Years to 75 Years
Enrollment
682 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 19, 2026, 6:22 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Colonoscopy or Fecal Occult Blood Test in Screening Healthy Participants for Colorectal Cancer

NCT00102011
View directory record Official record
Conditions
Colorectal Cancer
Interventions
annual screening, fecal occult blood test, screening colonoscopy, standard follow-up care
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
40 Years to 69 Years
Enrollment
4,952 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2026
U.S. locations
4
States / cities
Shreveport, Louisiana • Minneapolis, Minnesota • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 19, 2026, 6:22 AM EDT
Completed No phase listed Observational

Multi-marker Stool Test for Detection of Colorectal Neoplasia: Marker Panel Selection and Technical Development Studies

NCT01260168
View directory record Official record
Conditions
Colorectal Neoplasms, Digestive System Diseases, Colonic Diseases, Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years to 90 Years
Enrollment
435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
20
States / cities
Birmingham, Alabama • Huntsville, Alabama • Atlanta, Georgia + 14 more
Source: ClinicalTrials.gov public record
Updated May 13, 2015 · Synced Oct 19, 2026, 6:22 AM EDT
Completed Not applicable Interventional Results available

Validation of the GenePOC CDiff Assay for the Detection of the Toxin B Gene From Toxigenic Clostridium Difficile Strains

NCT02968758
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Comparison between GenePOC PCR and Reference Method
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
Not listed
Enrollment
2,461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
5
States / cities
Indianapolis, Indiana • Baltimore, Maryland • Detroit, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Oct 19, 2026, 6:22 AM EDT
Active, not recruiting No phase listed Observational

Exercise, Fitness and Tumor Profiling in Breast Cancer Patients

NCT03424915
View directory record Official record
Conditions
Breast Cancer
Interventions
Harvard Health Professionals survey, Blood draw, CPET Procedures, stool sample, Research Tissue sampling
Behavioral · Other · Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years to 80 Years · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 19, 2026, 6:22 AM EDT
Terminated No phase listed Observational

Colorectal Screening Strategies in Underserved Populations

NCT05107661
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Telephone Prompt
Behavioral
Lead sponsor
Virtua Health, Inc.
Other
Eligibility
45 Years to 64 Years
Enrollment
62 participants
Timeline
2021 – 2023
U.S. locations
1
States / cities
Voorhees Township, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 19, 2026, 6:22 AM EDT