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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:14 PM EDT

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Showing 721–744 of 913 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Stool Clear all
Completed Phase 4 Interventional

Safety of Stopping Pancreatic Enzyme Replacement Therapy in Children With Improved Pancreatic Function After Highly Effective Modulator Therapy

NCT07632768
View directory record Official record
Conditions
Cystic Fibrosis (CF), Pancreatic Insufficiency, Pancreas Disease, Exocrine Pancreatic Insufficiency, Exocrine Pancreatic Insufficiency in Subjects With Cystic Fibrosis, CFTR Gene Mutation
Interventions
Discontinuation of Pancreatic Enzyme Replacement Therapy
Drug
Lead sponsor
Indiana University
Other
Eligibility
0 Years to 18 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 24, 2026, 2:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Flatbush FHC Proactive Colorectal Cancer Screening and Navigation

NCT05646355
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Proactive CRC Screening Outreach, Usual Care
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
45 Years to 75 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 24, 2026, 2:14 PM 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 24, 2026, 2:14 PM EDT
Not yet recruiting Not applicable Interventional

Gut Microbiome Changes During Abemaciclib Therapy in Breast Cancer

NCT07406594
View directory record Official record
Conditions
Breast Cancer, HER-2 Positive Breast Cancer
Interventions
Resistant Potato Starch, Placebo control
Dietary Supplement
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 24, 2026, 2:14 PM EDT
Completed Phase 1 Interventional

Fecal Microbiota Transplant for Relapsing Clostridium Difficile Infection in Adults and Children Using a Frozen Encapsulated Inoculum

NCT01914731
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbiota Transplant
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 19, 2016 · Synced Oct 24, 2026, 2:14 PM EDT
Not listed Phase 1 Interventional

Reduction of C-Difficile Infection Using Stool Transplant

NCT02112279
View directory record Official record
Conditions
C-difficile
Interventions
Donor microbiota applied via colonoscopy.
Biological
Lead sponsor
Providence Holy Cross Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Mission Hills, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2015 · Synced Oct 24, 2026, 2:14 PM EDT
Active, not recruiting Phase 1 Interventional

Stool Transplant to Control Treatment-related Diarrhea

NCT04883762
View directory record Official record
Conditions
Fecal Microbiota Transplantation (FMT)
Interventions
Fecal Microbiota Transplantation (FMT)
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 24, 2026, 2:14 PM EDT
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 24, 2026, 2:14 PM EDT
Not listed Phase 2 Interventional

Fecal Microbiota Transplant and Pembrolizumab for Men With Metastatic Castration Resistant Prostate Cancer.

NCT04116775
View directory record Official record
Conditions
Prostate Cancer, Prostate Cancer Metastatic
Interventions
Fecal microbiota transplant, Pembrolizumab, Enzalutamide
Biological · Drug
Lead sponsor
Julie Graff, MD
Federal
Eligibility
18 Years and older · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 23, 2022 · Synced Oct 24, 2026, 2:14 PM 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 Oct 13, 2026 · Synced Oct 24, 2026, 2:14 PM EDT
Completed Phase 2 Interventional Results available

Pilot Study of Fundamental Modification of the Gut Microbiota in the Treatment of Refractory Crohn's Disease

NCT03476317
View directory record Official record
Conditions
Crohn Disease
Interventions
Vancomycin, Neomycin, Ciprofloxacin, Polyethylene Glycol 3350, Fluconazole
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Oct 24, 2026, 2:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Access to Colorectal Cancer Testing (IACCT) for Blacks

NCT03078348
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Carcinoma
Interventions
Fecal Immunochemical Test (FIT) Kit, Culturally targeted Photo Novella Booklet, Screen for Life Brochure
Other · Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
50 Years to 75 Years
Enrollment
331 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Oct 24, 2026, 2:14 PM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Genomic Resources for Enhancing Available Therapies (GREAT1.0) Study

NCT04306939
View directory record Official record
Conditions
Chronic Pancreatitis, Inflammatory Bowel Diseases, Hepatitis, NASH - Nonalcoholic Steatohepatitis, Acute Pancreatitis, Rheumatoid Arthritis, Diabetes Mellitus, Dyslipidemias, Multiple Sclerosis, Irritable Bowel Syndrome, Chronic Pain, Chronic Disease, Chronic Kidney Diseases, Crohn Disease, Celiac Disease, Biliary Cirrhosis, Bile Acid Synthesis Defect, Gastritis, Cholecystitis, Cholelithiases, IPMN, Cyst Pancreas, Cystic Fibrosis, Pancreatic Exocrine Insufficiency, Diarrhea Chronic, Constipation - Functional, Constipation Chronic Idiopathic
Interventions
venipuncture, Questionnaires, Additional Sample Collections
Other · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years and older
Enrollment
120,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 24, 2026, 2:14 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Personalized Screening Plans to Increase Colorectal Cancer Screening in Healthy Participants

NCT00617071
View directory record Official record
Conditions
Colorectal Cancer
Interventions
medical chart review, survey administration, fecal occult blood test, screening colonoscopy
Other · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
50 Years to 74 Years
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 18, 2013 · Synced Oct 24, 2026, 2:14 PM EDT
Recruiting No phase listed Observational

Role of Gut Microbiome in Cancer Therapy

NCT05112614
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 24, 2026, 2:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Maltodextrin Supplementation: Gastrointestinal Health

NCT02733263
View directory record Official record
Conditions
Healthy
Interventions
15 g RMD, 25 g RMD, 0 g RMD
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 2, 2018 · Synced Oct 24, 2026, 2:14 PM EDT
Recruiting No phase listed Observational

Evaluating the Association Among Changes in Gut Microbiome, Fatigue, and Chemotherapy-Induced Nausea in Early Stage Breast Cancer

NCT05417867
View directory record Official record
Conditions
Chemotherapy-Related Nausea and/or Vomiting, Early Stage Breast Carcinoma, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8
Interventions
Biospecimen Collection, Questionnaire Administration
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
5
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Albert Lea, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 24, 2026, 2:14 PM EDT
Completed No phase listed Observational

KidneyCare Cohort Study (KCC-S)

NCT06898632
View directory record Official record
Conditions
Kidney Cancer
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 24, 2026, 2:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Fiber on Gastrointestinal Function

NCT01495182
View directory record Official record
Conditions
Gastrointestinal Health
Interventions
Dietary fiber
Other
Lead sponsor
Ingredion Incorporated
Industry
Eligibility
18 Years to 54 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Glen Ellyn, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 21, 2016 · Synced Oct 24, 2026, 2:14 PM EDT
Completed Not applicable Interventional

A Study of the Effect of Probiotics on Gastrointestinal Function During Pregnancy

NCT03320226
View directory record Official record
Conditions
Pregnancy Early, Nausea Gravidarum, Vomiting of Pregnancy
Interventions
Probiotic 10 (Nature's Bounty)
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 9, 2023 · Synced Oct 24, 2026, 2:14 PM EDT
Recruiting Not applicable Interventional

Gut Microbiome and Sex as Risk Factors for Kidney Stones After Bariatric Surgery

NCT04590690
View directory record Official record
Conditions
Bariatric Surgery Candidate
Interventions
Special diet
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 130 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 24, 2026, 2:14 PM EDT
Completed Not applicable Interventional Results available

Evaluation of the Bowel Cleansing in Hospitalized Patients Using Pure-Vu System

NCT03503162
View directory record Official record
Conditions
Gastrointestinal Disease, Colorectal Cancer
Interventions
Pure-Vu System
Device
Lead sponsor
Motus GI Medical Technologies Ltd
Industry
Eligibility
22 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Oct 24, 2026, 2:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Role of Intestinal Inflammation in the Pathogenesis of Type 1 Diabetes

NCT01940835
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Upper endoscopy with small bowel biopsies and brushings., Blood draw, Stool sample
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Oct 24, 2026, 2:14 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Real-Time Feedback (RTFB) to Improve Colonoscopy

NCT05241210
View directory record Official record
Conditions
Colorectal Cancer
Interventions
AI program for colonoscopy
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
4,150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
3
States / cities
Baltimore, Maryland • Minneapolis, Minnesota • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 24, 2026, 2:14 PM EDT