Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 6:20 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–72 of 359 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Irritable Colon Clear all
Completed Phase 2 Interventional Results available

A Study of MD-7246 to Treat Abdominal Pain in Patients With Diarrhea-predominant Irritable Bowel Syndrome

NCT03931785
View directory record Official record
Conditions
Irritable Bowel Syndrome With Diarrhea (IBS-D)
Interventions
MD-7246, Placebo
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
80
States / cities
Huntsville, Alabama • Phoenix, Arizona • North Little Rock, Arkansas + 65 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2021 · Synced Oct 23, 2026, 6:20 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Effect of Ranolazine on Gastrointestinal Motor Function and Pain in Patients With IBS-D

NCT02239926
View directory record Official record
Conditions
Diarrhea Predominant Irritable Bowel Syndrome
Interventions
Ranolazine, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 15, 2016 · Synced Oct 23, 2026, 6:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sucrose Breath Test to Determine Intestinal Permeability in IBS

NCT01674088
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
Metabolic Solutions Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 10, 2014 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Phase 3 Interventional Results available

Rifaximin 3 Times/Day (TID) for Non-Constipation Irritable Bowel Syndrome (IBS)

NCT00731679
View directory record Official record
Conditions
Non-Constipation Irritable Bowel Syndrome
Interventions
Rifaximin, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
86
States / cities
Hueytown, Alabama • Phoenix, Arizona • Sierra Vista, Arizona + 78 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2019 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Not applicable Interventional

Investigation of Linaclotide's Effect on the Bi-directional Brain and Gut Axis in IBS-C Patients

NCT02078323
View directory record Official record
Conditions
Irritable Bowel Syndrome With Constipation (IBS-C)
Interventions
Linaclotide, Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 64 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Oct 23, 2026, 6:20 PM EDT
Recruiting Not applicable Interventional

Mechanisms of Gulf War Illness

NCT05972291
View directory record Official record
Conditions
Gulf War Illness, Irritable Bowel Syndrome, Gastrointestinal Symptoms
Interventions
Oral Glutamine, Control Arm
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Phase 4 Interventional Results available

Ability of Mayo Clinic High-performance Liquid Chromatography (HPLC) Method to Measure Fecal Bile Acids

NCT02111603
View directory record Official record
Conditions
Diarrhea Predominant Irritable Bowel Syndrome
Interventions
Colesevelam
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Oct 23, 2026, 6:20 PM EDT
Terminated Phase 2 Interventional Results available

A Safety and Efficacy Study of a Range of Linaclotide Doses Administered Orally to Children Ages 7-17 Years, With Irritable Bowel Syndrome With Constipation

NCT02559817
View directory record Official record
Conditions
Irritable Bowel Syndrome With Constipation
Interventions
Linaclotide Dose A, Linaclotide Dose B, Linaclotide Dose C, Linaclotide Approved Adult Dose, Matching Placebo
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
7 Years to 17 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
46
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • Anaheim, California + 39 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2020 · Synced Oct 23, 2026, 6:20 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Effect of Menstrual Cycle on Central Nervous System (CNS) Processing of Gut Stimuli in Irritable Bowel Syndrome (IBS) and Control

NCT00219531
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
perception of rectal balloon distention
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2015
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 29, 2017 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Phase 2 Interventional Results available

A Trial for New Treatment of Adult Participants With Irritable Bowel Syndrome

NCT03721107
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Blautix, Placebo
Biological · Other
Lead sponsor
4D pharma plc
Industry
Eligibility
18 Years to 70 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
24
States / cities
Huntsville, Alabama • Phoenix, Arizona • North Hollywood, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Phase 4 Interventional Results available

Open Trial of Duloxetine in Outpatients With Irritable Bowel Syndrome Symptoms and Co-Morbid Major Depression

NCT01754493
View directory record Official record
Conditions
Major Depression, Irritable Bowel Syndrome
Interventions
Duloxetine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Not applicable Interventional

Elemental Diet and Gut Microbiome

NCT05978973
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Elemental Diet
Dietary Supplement
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 23, 2024 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Phase 2 Interventional

Study to Determine the Effectiveness of the Probiotic E. Coli Strain M17 in Treating Irritable Bowel Syndrome (IBS)

NCT00194922
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
E. Coli Strain M17 Probiotic
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 4, 2008 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Phase 3 Interventional Results available

A Long-Term Safety Study of Tenapanor for the Treatment of IBS-C

NCT02727751
View directory record Official record
Conditions
Constipation Predominant Irritable Bowel Syndrome
Interventions
Tenapanor
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 75 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2020 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Phase 3 Interventional Results available

Rifaximin 3 Times/Day (TID) for Non-Constipation Irritable Bowel Syndrome (IBS)

NCT00724126
View directory record Official record
Conditions
Non-Constipation Irritable Bowel Syndrome
Interventions
Rifaximin, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
88
States / cities
Anniston, Alabama • Birmingham, Alabama • Huntsville, Alabama + 83 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2019 · Synced Oct 23, 2026, 6:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

ALPCO Calprotectin ELISA - Measurement of Calprotectin Levels in Human Stool

NCT03082287
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Irritable Bowel Syndrome
Interventions
Fecal Calprotectin Level
Device
Lead sponsor
American Laboratory Products Company
Industry
Eligibility
22 Years and older
Enrollment
424 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Salem, New Hampshire
Source: ClinicalTrials.gov public record
Updated Nov 5, 2019 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of a Yoga Intervention on Pain and Multiomics in Participants With IBS

NCT04315714
View directory record Official record
Conditions
Irritable Bowel Syndrome, Abdominal Pain
Interventions
Yoga Program
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 2, 2021 · Synced Oct 23, 2026, 6:20 PM EDT
Not yet recruiting Early Phase 1 Interventional

Psilocybin-Assisted Psychotherapy in Treating Irritable Bowel Syndrome (IBS)

NCT06760533
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
Psilocybin 25 mg, Psychotherapy Treatment Session, Niacin 100 mg
Drug · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 23, 2026, 6:20 PM EDT
Completed No phase listed Observational

Efficacy of Psychological Therapies in Patients With Functional Bowel Disorders

NCT04060121
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome, Constipation
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Phase 1 Interventional

A Lactation Study in Women Who Are Breastfeeding or Pumping and Are Receiving Linaclotide Therapeutically

NCT02220348
View directory record Official record
Conditions
Breast Feeding, Constipation, Irritable Bowel Syndrome
Interventions
linaclotide
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Iowa City, Iowa • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Phase 1Phase 2 Interventional

Effect of TU-100 in Patients With Irritable Bowel Syndrome (IBS)

NCT01890837
View directory record Official record
Conditions
Irritable Bowel Syndrome, Digestive System Diseases, Gastrointestinal Diseases, Intestinal Diseases, Abdominal Pain
Interventions
Daikenchuto (TU-100), Placebo
Drug
Lead sponsor
Tsumura USA
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 13, 2016 · Synced Oct 23, 2026, 6:20 PM EDT
Recruiting Not applicable Interventional

A Prospective Trial of a Variable Compression System for Moderate to Severe Irritable Bowel Syndrome

NCT07540312
View directory record Official record
Conditions
IBS (Irritable Bowel Syndrome)
Interventions
Variable Compression System
Device
Lead sponsor
PGP Health
Industry
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
3
States / cities
Kissimmee, Florida • Bolingbrook, Illinois • Southhaven, Mississippi
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 23, 2026, 6:20 PM EDT
Recruiting No phase listed Observational

Mucosal and Microbiota Changes During Acute Campylobacteriosis

NCT03223077
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 23, 2026, 6:20 PM EDT
Completed Not applicable Interventional

Comparing Two Types of Diets on Psychological and Gastrointestinal Symptoms

NCT03035799
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Paleolithic diet, General Healthful Diet
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 7, 2020 · Synced Oct 23, 2026, 6:20 PM EDT