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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:30 AM EDT

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Showing 361–384 of 913 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Stool Clear all
Terminated No phase listed Observational Results available

Predictors of Tumor Response and of Radiation Therapy Side Effects in Patients With Gastrointestinal Cancers

NCT01445327
View directory record Official record
Conditions
Esophageal Cancer, Stomach Cancer, Pancreatic Cancer
Interventions
Specimen collection
Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Oct 23, 2026, 1:30 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 29, 2026 · Synced Oct 23, 2026, 1:30 AM EDT
Enrolling by invitation No phase listed Observational

Physiologic and Functional Adaptations of Insulin Sensitive Tissues

NCT03407833
View directory record Official record
Conditions
Diabetes, Insulin Resistance, Obesity, Bariatric Surgery Candidate, Roux-en-y Gastric Bypass, Liver Diseases
Interventions
Endoscopy biopsy, Surgical biopsy, Mixed-meal tolerance test, Excised Liver Tissue Sampling
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 23, 2026, 1:30 AM EDT
Completed No phase listed Observational

Development of an Instrument to Measure Quality of Life in Children With Chronic Constipation and Soiling

NCT00677508
View directory record Official record
Conditions
Constipation, Fecal Incontinence
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
2 Years to 18 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 30, 2020 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Transdermal Administration by a Novel Wireless Iontophoresis Device

NCT06351852
View directory record Official record
Conditions
Spinal Cord Injuries, Constipation, Fecal Incontinence, Neurogenic Bowel
Interventions
Combination of Neostigmine and Glycopyrrolate, I-Box by Dynatronics
Drug · Device
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Dietary Sodium Supplementation on Growth & Intestinal Microbiome

NCT05546814
View directory record Official record
Conditions
Preterm Birth
Interventions
Sodium algorithm
Procedure
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
25 Weeks to 30 Weeks
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 23, 2026, 1:30 AM 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 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional

Prevention of Hepatic Encephalopathy With Mobile Application Based Lactulose Titration

NCT05526404
View directory record Official record
Conditions
Hepatic Encephalopathy
Interventions
Dieta mobile application
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 18, 2023 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Fecal Microbiota Transplantation for the Treatment of Recurrent Urinary Tract Infections

NCT03050515
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 23, 2026, 1:30 AM EDT
Recruiting Not applicable Interventional

Functional Outcomes in Ulcerative Colitis Patients With Ileal Pouch Anal Anastomosis Treated With High Intensity Focused Electromagnetic Stimulation

NCT07034443
View directory record Official record
Conditions
Fecal Incontinence
Interventions
High Intensity Focused Electromagnetic Stimulation
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Phase 4 Interventional Results available

Studies of COVID-19 Patients Treated With Oral Bismuth Subsalicylate (Pepto-Bismol)

NCT04811339
View directory record Official record
Conditions
Diarrhea, COVID-19
Interventions
Bismuth Subsalicylate 262 milligram (mg) Oral Tablet, Chewable, Placebo oral tablet without BSS
Drug · Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Oct 23, 2026, 1:30 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Investigating the Genetic and Phenotypic Presentation of Ataxia and Nucleotide Repeat Diseases

NCT04529252
View directory record Official record
Conditions
Spinocerebellar Ataxias, Cerebellar Ataxia, Nucleotide Repeat Disease
Interventions
Specimen collection
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 23, 2026, 1:30 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Does a Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Nat hx With Its Numerous Co-morbidities?

NCT06616363
View directory record Official record
Conditions
POTS - Postural Orthostatic Tachycardia Syndrome
Interventions
Questionnaires to be competed, Provide list of medication and lifetime events, Use phone App to record new life events, Will wear an activity monitor, Periodic 24-hour urine sodium check, A fMRI scan, A bedside tilt test will be performed, IV placed to collect blood samples, Stool Sample
Behavioral · Device · Other + 1 more
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Phase 3 Interventional Results available

Controlling Anal Incontinence by Performing Anal Exercises With Biofeedback or Loperamide (CAPABLe)

NCT02008565
View directory record Official record
Conditions
Fecal Incontinence
Interventions
Loperamide, Placebo, Anal exercises with biofeedback, Usual Care
Drug · Behavioral
Lead sponsor
NICHD Pelvic Floor Disorders Network
Network
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
9
States / cities
Birmingham, Alabama • La Jolla, California • San Diego, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Oct 23, 2026, 1:30 AM 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 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ketogenic Diet Health and Longevity

NCT05939011
View directory record Official record
Conditions
Ketogenic Dieting, Ketoses, Metabolic, Ketosis
Interventions
Well-formulated Ketogenic Diet
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
30 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Oct 23, 2026, 1:30 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Does Percutaneous Tibial Nerve Stimulation (PTNS) Improve Outcomes in Patients Presenting With Fecal Incontinence

NCT01274585
View directory record Official record
Conditions
Fecal Incontinence
Interventions
Posterior tibial nerve stimulation (PTNS), Posterior tibial nerve stimulation
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 5, 2018 · Synced Oct 23, 2026, 1:30 AM EDT
Recruiting Phase 1Phase 2 Interventional

Tributyrin for Progressive Supranuclear Palsy (PSP): Virtual Trial

NCT07863180
View directory record Official record
Conditions
Parkinson Disease, Multiple System Atrophy, Progressive Supranuclear Palsy(PSP)
Interventions
Tributyrin, Placebo
Drug
Lead sponsor
Prabesh Kanel
Other
Eligibility
45 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Peanut Protein Supplementation to Augment Muscle Growth and Improve Markers of Muscle Quality and Health in Older Adults

NCT04015479
View directory record Official record
Conditions
Aging, Sarcopenia
Interventions
Peanut Protein Powder, Full body resistance training
Dietary Supplement · Behavioral
Lead sponsor
Auburn University
Other
Eligibility
50 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Oct 23, 2026, 1:30 AM EDT
Active, not recruiting Phase 1 Interventional

CP101 for the Treatment of Ulcerative Colitis

NCT05852574
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
CP-101, CP-101 + Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Oct 23, 2026, 1:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Stool Testing for Pancreatic Cancer

NCT01104129
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 85 Years
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Oct 23, 2026, 1:30 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Predicting Responsiveness in Oncology Patients Based on Host Response Evaluation During Anti Cancer Treatments, Using Multiomics

NCT05736029
View directory record Official record
Conditions
Non Small Cell Lung Cancer, Healthy
Interventions
blood, stool and tissue samples collection
Other
Lead sponsor
OncoHost Ltd.
Industry
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 23, 2026, 1:30 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Irritable Bowel Syndrome and Control Volunteers: Diet Challenge

NCT06668922
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Inulin
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 23, 2026, 1:30 AM EDT
Completed No phase listed Observational

Immune Response Under Immunotherapy in Metastatic NSCLC: Sputum, Blood Samples and Microbioata Study

NCT04804137
View directory record Official record
Conditions
Non-squamous Lung Cancer, Metastatic Lung Cancer
Interventions
Blood, sputum, saliva, stool
Other
Lead sponsor
University Hospital, Tours
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 23, 2026, 1:30 AM EDT