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ClinicalTrials.gov public records Last synced Oct 5, 2026, 6:18 PM EDT

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Showing 25–48 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Diarrhea Predominant Irritable Bowel Syndrome Clear all
Terminated Phase 2 Interventional

Study to Evaluate the Effects of ONO-2952 on Pain Perception Produced by Rectal Distention in Female Subjects With Diarrhea-Predominant Irritable Bowel Syndrome (IBS-D)

NCT01887002
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
ONO-2952, Placebo comparator
Drug
Lead sponsor
Ono Pharma USA Inc
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
4
States / cities
Boston, Massachusetts • St Louis, Missouri • Chapel Hill, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2016 · Synced Oct 5, 2026, 6:18 PM EDT
Completed No phase listed Observational

LOTRONEX® in Severe Diarrhea-Predominant Irritable Bowel Syndrome (IBS-D)

NCT01257477
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
Prometheus Laboratories
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
67
States / cities
Tuscaloosa, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 60 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2013 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 2 Interventional Results available

Effect of a Cannabinoid Agonist on Colonic Sensory Functions in Patients With Irritable Bowel Syndrome

NCT01786109
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Michael Camilleri
Other
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 2 Interventional Results available

Efficacy of Mesalamine in Diarrhea-predominant Irritable Bowel Syndrome (dIBS)

NCT01327300
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Mesalamine, Placebo
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 12, 2014 · Synced Oct 5, 2026, 6:18 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 5, 2026, 6:18 PM EDT
Recruiting Phase 2 Interventional

Efficacy of Rifaximin With NAC in IBS-D

NCT06727422
View directory record Official record
Conditions
IBS (Irritable Bowel Syndrome), IBS-D (Diarrhea-predominant)
Interventions
rifaximin 66mg + N-acetylcysteine 560mg three times daily, RNIB21 containing rifaximin 132mg + N-acetylcysteine 560mg three times daily, Placebo
Drug
Lead sponsor
Mark Pimentel, MD
Other
Eligibility
18 Years and older
Enrollment
225 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 Apr 20, 2026 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 2 Interventional

Efficacy, Safety and Tolerability of DNK333 (25 mg Bid) in Women With Diarrhea-predominant Irritable Bowel Syndrome (IBS-D)

NCT00394173
View directory record Official record
Conditions
Irritable Bowel Syndrome With Diarrhea (IBS-D)
Interventions
DNK333, Placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
180 participants
Timeline
2006 – 2007
U.S. locations
37
States / cities
Tucson, Arizona • North Little Rock, Arkansas • Los Angeles, California + 34 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Oct 5, 2026, 6:18 PM EDT
Terminated Phase 2 Interventional

Study of the Research Medicine CIN-103 in Adults With Irritable Bowel Syndrome With Predominant Diarrhea (IBS-D).

NCT06153420
View directory record Official record
Conditions
Irritable Bowel Syndrome With Diarrhea
Interventions
CIN-103, Placebo
Drug
Lead sponsor
CinPhloro Pharma, LLC
Industry
Eligibility
18 Years and older
Enrollment
421 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
53
States / cities
Dothan, Alabama • Huntsville, Alabama • Phoenix, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 2 Interventional Results available

Trial to Understand Efficacy of Colesevelam in Diarrhea Predominant IBS Patients With Bile Acid Malabsorption

NCT03270085
View directory record Official record
Conditions
Chronic Diarrhea, Irritable Bowel Syndrome With Diarrhea, Bile Acid Malabsorption
Interventions
Colesevelam, Placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 27, 2020 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 2 Interventional

A Study of Crofelemer to Treat Diarrhea Irritable Bowel Syndrome

NCT00101725
View directory record Official record
Conditions
Irritable Bowel Syndrome, Colonic Diseases, Diarrhea, Gastrointestinal Disease
Interventions
crofelemer
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
29
States / cities
Huntsville, Alabama • Chandler, Arizona • North Little Rock, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Not applicable Interventional Results available

Effects of Low FODMAP Diet on Colonic Epithelial Physiology in Diarrhea-predominant Irritable Bowel Syndrome

NCT04542018
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
a low FODMAP diet for 4 weeks
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 5, 2026, 6:18 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 5, 2026, 6:18 PM EDT
Completed Not applicable Interventional

Serum-Derived Bovine Immunoglobulin /Protein Isolate (SBI) 5.0 g Bid on Nutritional Status in Subjects With IBS-D

NCT02163213
View directory record Official record
Conditions
Diarrhea-predominant Irritable Bowel Syndrome
Interventions
Serum-derived bovine immunoglobulin protein isolate (SBI)
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 18, 2017 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 2 Interventional Results available

Glutamine for the Treatment of Patients With Irritable Bowel Syndrome

NCT01414244
View directory record Official record
Conditions
Diarrhea-Predominant Irritable Bowel Syndrome
Interventions
Glutamine
Drug
Lead sponsor
Tulane University
Other
Eligibility
18 Years to 72 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced Oct 5, 2026, 6:18 PM EDT
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers

Trenev Trio/Healthy Trinity for Symptoms of Diarrhea-predominant Irritable Bowel Syndrome (IBS) and Functional Dyspepsia

NCT01268618
View directory record Official record
Conditions
IBS-D and Functional Dyspepsia
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
Sprim Advanced Life Sciences
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Duluth, Georgia • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 21, 2011 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 4 Interventional

Hydrogen Breath Test an Instrument to Predict Rifaximin-Response in Irritable Bowel Syndrome Predominant Diarrhea

NCT03729271
View directory record Official record
Conditions
Irritable Bowel Syndrome, Irritable Bowel Syndrome With Diarrhea
Interventions
Rifaximin, Glucose and lactulose hydrogen breath testing
Drug · Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 80 Years
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 5, 2026, 6:18 PM EDT
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 5, 2026, 6:18 PM EDT
Completed Not applicable Interventional Results available

Effects of a Very Low Carbohydrate Diet on Symptoms of Irritable Bowel Syndrome (IBS)

NCT00616200
View directory record Official record
Conditions
Diarrhea Predominant Irritable Bowel Syndrome
Interventions
Very low carbohydrate diet
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2017 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 3 Interventional Results available

Efficacy, Safety, and Tolerability of Eluxadoline in the Treatment of Participants With Diarrhea-Predominant Irritable Bowel Syndrome (IBS-d)

NCT01553747
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Eluxadoline, Placebo
Drug
Lead sponsor
Furiex Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
232
States / cities
Birmingham, Alabama • Decatur, Alabama • Huntsville, Alabama + 189 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 2 Interventional Results available

Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial of BEKINDA (Ondansetron 12 mg Bimodal Release Tablets) for Diarrhea Predominant Irritable Bowel Syndrome (IBS-D)

NCT02757105
View directory record Official record
Conditions
Irritable Bowel Syndrome With Diarrhea
Interventions
BEKINDA, Placebo
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 80 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
16
States / cities
Huntsville, Alabama • Little Rock, Arkansas • North Little Rock, Arkansas + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Not applicable Interventional Results available

Gulf War Digestive Health Study

NCT00680836
View directory record Official record
Conditions
Irritable Bowel Syndrome, Small Intestinal Bacterial Overgrowth
Interventions
Placebo, Rifaximin
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
35 Years to 72 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 29, 2014 · Synced Oct 5, 2026, 6:18 PM EDT
Terminated Not applicable Interventional

Effect of Acupuncture on Symptoms of Diarrhea and Pain in IBS

NCT00219505
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
acupuncture
Procedure
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 90 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2017 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 2 Interventional

A Phase 2, Multi-center Study to Evaluate the Efficacy and Safety of ONO-2952 in Female Subjects With Diarrhea-Predominant Irritable Bowel Syndrome (IBS-D)

NCT01844180
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
ONO-2952, ONO-2952 Matching Placebo
Drug
Lead sponsor
Ono Pharma USA Inc
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
48
States / cities
Anniston, Alabama • Goodyear, Arizona • Tucson, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2016 · Synced Oct 5, 2026, 6:18 PM EDT
Completed Phase 2 Interventional Results available

Efficacy, Safety, and Tolerability of JNJ-27018966 (Eluxadoline) in the Treatment of Irritable Bowel Syndrome With Diarrhea

NCT01130272
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Eluxadoline, Placebo
Drug
Lead sponsor
Furiex Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
807 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
288
States / cities
Anniston, Alabama • Birmingham, Alabama • Dothan, Alabama + 225 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Oct 5, 2026, 6:18 PM EDT