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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
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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 24, 2016 · Synced Sep 28, 2026, 4:52 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 25, 2008 · Synced Sep 28, 2026, 4:52 AM EDT
Completed Phase 2 Interventional

A Phase 2 Pilot Study to Assess ASP7147 in Patients With Diarrhea Predominant Irritable Bowel Syndrome (IBS-D)

NCT01896583
View directory record Official record
Conditions
Diarrhea Predominant Irritable Bowel Syndrome
Interventions
ASP7147, Placebo
Drug
Lead sponsor
Seldar Pharma, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
13
States / cities
Phoenix, Arizona • Encino, California • La Mesa, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Sep 28, 2026, 4:52 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 3, 2018 · Synced Sep 28, 2026, 4:52 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 26, 2020 · Synced Sep 28, 2026, 4:52 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 22, 2015 · Synced Sep 28, 2026, 4:52 AM 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 17, 2017 · Synced Sep 28, 2026, 4:52 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 24, 2019 · Synced Sep 28, 2026, 4:52 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 15, 2015 · Synced Sep 28, 2026, 4:52 AM EDT
Completed Not applicable Interventional

Effects of Low FODMAP Diet on Leaky Gut

NCT04526808
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
FODMAP diet
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Sep 28, 2026, 4:52 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 6, 2017 · Synced Sep 28, 2026, 4:52 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 17, 2019 · Synced Sep 28, 2026, 4:52 AM EDT
Completed Phase 3 Interventional

Study of Asimadoline to Treat Diarrhea-Predominant Irritable Bowel Syndrome (D-IBS)

NCT01100684
View directory record Official record
Conditions
Diarrhea Predominant Irritable Bowel Syndrome
Interventions
Asimadoline, Placebo
Drug
Lead sponsor
Tioga Pharmaceuticals
Industry
Eligibility
18 Years to 79 Years
Enrollment
611 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
142
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 125 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2013 · Synced Sep 28, 2026, 4:52 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 9, 2013 · Synced Sep 28, 2026, 4:52 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 15, 2015 · Synced Sep 28, 2026, 4:52 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 19, 2026 · Synced Sep 28, 2026, 4:52 AM 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 14, 2016 · Synced Sep 28, 2026, 4:52 AM EDT
Completed Phase 2 Interventional

Efficacy, Safety and Tolerability of DNK333 (25 and 100 mg Bid) in Women With Diarrhea-Predominant Irritable Bowel Syndrome (IBS-D)

NCT00699166
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
DNK333
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older · Female only
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
29
States / cities
Anniston, Alabama • Huntsville, Alabama • Northport, Alabama + 26 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2008 · Synced Sep 28, 2026, 4:52 AM 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 15, 2017 · Synced Sep 28, 2026, 4:52 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 28, 2015 · Synced Sep 28, 2026, 4:52 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 24, 2019 · Synced Sep 28, 2026, 4:52 AM 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 27, 2018 · Synced Sep 28, 2026, 4:52 AM 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 8, 2017 · Synced Sep 28, 2026, 4:52 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 21, 2023 · Synced Sep 28, 2026, 4:52 AM EDT