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ClinicalTrials.gov public records Last synced Sep 30, 2026, 2:09 AM EDT

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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Diarrhea-predominant Irritable Bowel Syndrome Clear all
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 Sep 30, 2026, 2:09 AM EDT
Completed Phase 2 Interventional

Diarrhea Predominant Irritable Bowel Syndrome in Females

NCT00461526
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
crofelemer
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
43
States / cities
Huntsville, Alabama • Chandler, Arizona • Tucson, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Sep 30, 2026, 2:09 AM EDT
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 Sep 30, 2026, 2:09 AM EDT
Completed Not applicable Interventional

Use of SBI in IBS Subjects Following a Successful Treatment of Small Intestinal Bacterial Overgrowth

NCT02251483
View directory record Official record
Conditions
Diarrhea Predominant Irritable Bowel Syndrome, Small Intestinal Bacterial Overgrowth
Interventions
Serum-derived bovine immunoglobulin protein isolate (SBI), Placebo
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2015 · Synced Sep 30, 2026, 2:09 AM 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)

NCT01553591
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
1,282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
257
States / cities
Athens, Alabama • Birmingham, Alabama • Foley, Alabama + 214 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2018 · Synced Sep 30, 2026, 2:09 AM EDT
Completed Not applicable Interventional

Safety and Tolerability of Serum Derived Bovine Immunoglobulin in Children With Diarrhea Predominant IBS

NCT02358694
View directory record Official record
Conditions
Diarrhea Predominant Irritable Bowel Syndrome
Interventions
Serum-Derived Bovine Immunoglobulin, Placebo
Dietary Supplement · Other
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
8 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 18, 2019 · Synced Sep 30, 2026, 2:09 AM EDT
Completed Phase 3 Interventional

Study Of Women With Severe Diarrhea-Predominant Irritable Bowel Syndrome Having Failed Conventional Therapy

NCT00067561
View directory record Official record
Conditions
Irritable Colon, Irritable Bowel Syndrome (IBS)
Interventions
Alosetron
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older · Female only
Enrollment
702 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
177
States / cities
Birmingham, Alabama • Calera, Alabama • Tuscaloosa, Alabama + 149 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2015 · Synced Sep 30, 2026, 2:09 AM EDT
Completed Phase 2 Interventional

A Multi-Center Trial to Determine the Safety and Efficacy of LX1033 in Subjects With Diarrhea-Predominant Irritable Bowel Syndrome

NCT01494233
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
250 mg LX1033 tablets, Placebo tablet
Drug
Lead sponsor
Lexicon Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
373 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
81
States / cities
Huntsville, Alabama • Tempe, Arizona • Tucson, Arizona + 75 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2015 · Synced Sep 30, 2026, 2:09 AM 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 Sep 30, 2026, 2:09 AM 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 Sep 30, 2026, 2:09 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate the Efficacy, Safety, and Tolerability of BOS-589 in the Treatment of Patients With Diarrhea-predominant Irritable Bowel Syndrome (IBS-D)

NCT03977155
View directory record Official record
Conditions
Diarrhea-predominant Irritable Bowel Syndrome
Interventions
BOS-589, Placebo
Drug
Lead sponsor
Boston Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
58
States / cities
Anniston, Alabama • Huntsville, Alabama • Chandler, Arizona + 48 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Sep 30, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Analyzing IBS to Identify Biomarkers and Microbiome Signatures

NCT02419963
View directory record Official record
Conditions
Diarrhoea Predominant Irritable Bowel Syndrome, IBS
Interventions
endoscopy for tissue biopsy, Blood Sample, Stool Sample
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 7, 2017 · Synced Sep 30, 2026, 2:09 AM EDT
Completed Phase 3 Interventional

Study In Women With Severe Diarrhea-Predominant Irritable Bowel Syndrome Having Failed Conventional Therapy

NCT00067457
View directory record Official record
Conditions
Irritable Colon, Irritable Bowel Syndrome (IBS)
Interventions
alosetron
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older · Female only
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
190
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 166 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2015 · Synced Sep 30, 2026, 2:09 AM EDT
Terminated Phase 1 Interventional

Effect of Olorinab on Gastrointestinal Transit in Patients With Irritable Bowel Syndrome

NCT04655599
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Olorinab, Placebo
Drug
Lead sponsor
Arena Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Sep 30, 2026, 2:09 AM EDT
Completed Not applicable Interventional

Gluten Intolerance in Patients With Diarrhea Predominant Irritable Bowel Syndrome

NCT01094041
View directory record Official record
Conditions
Diarrhea, Diarrhea Predominant Irritable Bowel Syndrome
Interventions
Gluten free diet, Gluten rich diet
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 10, 2013 · Synced Sep 30, 2026, 2:09 AM 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 Sep 30, 2026, 2:09 AM EDT
Completed Phase 2 Interventional

A Study of 3 Doses of Dextofisopam in Females With Irritable Bowel Syndrome

NCT00486876
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Dextofisopam
Drug
Lead sponsor
Pharmos
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
79
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 67 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2011 · Synced Sep 30, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SBI in Children With d-IBS

NCT02609529
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Medical Food, Placebo
Other
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
8 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 9, 2017 · Synced Sep 30, 2026, 2:09 AM 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 Sep 30, 2026, 2:09 AM 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 Sep 30, 2026, 2:09 AM EDT
Terminated Phase 2 Interventional Results available

Olorinab in Irritable Bowel Syndrome With Predominant Constipation (IBS-C) and Irritable Bowel Syndrome With Predominant Diarrhea (IBS-D)

NCT04043455
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Olorinab, Placebo
Drug
Lead sponsor
Arena Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
69
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Sep 30, 2026, 2:09 AM 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 Sep 30, 2026, 2:09 AM EDT
Completed Phase 2 Interventional

A Study of BMS-562086 in Patients With Irritable Bowel Syndrome

NCT00399438
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Placebo, BMS-562086
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 26, 2008 · Synced Sep 30, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mediterranean Diet and the Gut Microbiome

NCT03269032
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
American Diet, Mediterranean-style Diet
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Sep 30, 2026, 2:09 AM EDT