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ClinicalTrials.gov public records Last synced Oct 9, 2026, 11:49 PM EDT

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Showing 49–72 of 234 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Irritable Bowel Syndrome (IBS) Clear all
Completed No phase listed Observational Accepts healthy volunteers

Fecal Metabolome and the Intestinal Microbiota in Irritable Bowel Syndrome

NCT02981888
View directory record Official record
Conditions
IBS
Interventions
X-Ray
Radiation
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Oct 9, 2026, 11:49 PM EDT
Enrolling by invitation Phase 3 Interventional

A Study Evaluating Oral Eluxadoline Administered to Pediatric Participants With Irritable Bowel Syndrome With Diarrhea (IBS-D)

NCT04880876
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
25mg Eluxadoline, 100mg Eluxadoline
Drug
Lead sponsor
AbbVie
Industry
Eligibility
6 Years to 17 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2032
U.S. locations
6
States / cities
Corona, California • Miami, Florida • Stockbridge, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced Oct 9, 2026, 11:49 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Role of Intestinal Inflammation in Irritable Bowel Syndrome (IBS)

NCT01072903
View directory record Official record
Conditions
Inflammation, Colon, Irritable, Colonic Diseases, Functional, Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 12, 2013 · Synced Oct 9, 2026, 11:49 PM EDT
Recruiting Not applicable Interventional

Defining Objective Markers of Compliance for Dietary Therapies in IBS

NCT07494968
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Diet A - elimination diet, Diet B - healthy eating diet
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
94 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 Jun 22, 2026 · Synced Oct 9, 2026, 11:49 PM EDT
Completed Phase 1 Interventional

Lubiprostone Effects on Visceral Pain Sensitivity

NCT01166789
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Lubiprostone, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 16, 2011 · Synced Oct 9, 2026, 11:49 PM 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 Oct 9, 2026, 11:49 PM EDT
Completed Not applicable Interventional

Sex Differences in Effectiveness of CBT on IBS Project 3

NCT05155631
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
COGNITIVE BEHAVIORAL THERAPY
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 55 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Oct 9, 2026, 11:49 PM EDT
Completed Not applicable Interventional

Stress Management for Irritable Bowel Syndrome

NCT01886027
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Emotional Awareness and Expression Training, Relaxation Training
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 70 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Oct 9, 2026, 11:49 PM EDT
Completed Not applicable Interventional Results available

Effects of Lubiprostone on Gastrointestinal Transit & pH in Irritable Bowel Syndrome (IBS) With Constipation

NCT01162863
View directory record Official record
Conditions
Irritable Bowel Syndrome, Constipation
Interventions
Lubiprostone, Placebo, Smartpill wireless motility capsule
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 27, 2017 · Synced Oct 9, 2026, 11:49 PM EDT
Recruiting Not applicable Interventional

IBS Skin Patch Test Food Allergy Study

NCT06288672
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
True avoidance diet, Sham avoidance diet
Other
Lead sponsor
IBS-80, LLC
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
North Wales, Pennsylvania • Barboursville, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 9, 2026, 11:49 PM 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 Oct 9, 2026, 11:49 PM EDT
Completed Phase 3 Interventional Results available

A 26-Week Study to Evaluate the Efficacy and Safety of Tenapanor in IBS-C

NCT02686138
View directory record Official record
Conditions
Constipation Predominant Irritable Bowel Syndrome
Interventions
Tenapanor, Placebo
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 75 Years
Enrollment
593 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
117
States / cities
Dothan, Alabama • Foley, Alabama • Huntsville, Alabama + 98 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2020 · Synced Oct 9, 2026, 11:49 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 9, 2026, 11:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Efficacy of Arrae's Bloat & Calm Alchemy Capsules to Reduce Bloating, Heartburn and Gas, and Alleviate the Intensity of IBS Symptoms

NCT05197413
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome, Anxiety
Interventions
Arrae bloat supplement
Dietary Supplement
Lead sponsor
Arrae
Industry
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Oct 9, 2026, 11:49 PM EDT
Terminated Phase 2 Interventional Results available

Milnacipran (Savella) in Irritable Bowel Syndrome (IBS)

NCT01471379
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Milnacipran, Placebo
Drug
Lead sponsor
Spencer Dorn, MD, MPH
Other
Eligibility
18 Years to 79 Years · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Oct 9, 2026, 11:49 PM EDT
Completed Not applicable Interventional

SMART Program in Irritable Bowel Syndrome (IBS)

NCT03454386
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Stress Management and Resilience Training Program, Self-Management Stress Reduction Program
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 70 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2020 · Synced Oct 9, 2026, 11:49 PM EDT
Not yet recruiting Phase 2 Interventional

Herbal Supplement (Biocidin REMOVE) for Bacterial Overgrowth in Irritable Bowel Syndrome

NCT07768267
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS), Small Intestinal Bacterial Overgrowth Syndrome (SIBO)
Interventions
Biocidin REMOVE, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 9, 2026, 11:49 PM EDT
Terminated Phase 2 Interventional Results available

Long-term Safety Study of Brodalumab in Adults With Crohn's Disease

NCT01199302
View directory record Official record
Conditions
Crohn's Disease
Interventions
Brodalumab
Biological
Lead sponsor
Amgen
Industry
Eligibility
Not listed
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
11
States / cities
Birmingham, Alabama • Jacksonville, Florida • Hammond, Louisiana + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2021 · Synced Oct 9, 2026, 11:49 PM EDT
Completed Not applicable Interventional

Efficacy of Probiotic Bacteria in Subjects With IBS or Functional Diarrhea/ Bloating

NCT00618904
View directory record Official record
Conditions
Pain
Interventions
Probiotics - Lactobacillus and bifidobacterium, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 9, 2013 · Synced Oct 9, 2026, 11:49 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Clinical Research Study to Evaluate Selegiline in the Treatment of Borderline Personality Disorder

NCT01912391
View directory record Official record
Conditions
Borderline Personality Disorder
Interventions
Selegiline, Placebo (for Selegiline)
Drug
Lead sponsor
Mood and Anxiety Research, Inc
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Oct 9, 2026, 11:49 PM EDT
Completed Not applicable Interventional

Comparing the Effectiveness of 2 Diets for Patients With Irritable Bowel Syndrome

NCT01624610
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Dietary intervention
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Indianapolis, Indiana • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 31, 2016 · Synced Oct 9, 2026, 11:49 PM 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 Oct 9, 2026, 11:49 PM EDT
Completed Not applicable Interventional

Effects of a Novel Machine Learning Mobile App on Diet Adherence in Individuals Following the Low Fodmap Diet

NCT04256551
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
Heali mobile application + Registered Dietitian, Heali mobile application, Standard Dietary Education
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 8, 2020 · Synced Oct 9, 2026, 11:49 PM EDT
Completed Phase 2 Interventional Results available

A Single-Dose, Open-Label, Study to Evaluate the Sustainability of the Effects of SYN-010 in Patients With IBS-C

NCT02493036
View directory record Official record
Conditions
Irritable Bowel Syndrome With Constipation (IBS-C)
Interventions
SYN-010
Drug
Lead sponsor
Theriva Biologics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
11
States / cities
Hialeah, Florida • Miami, Florida • Miami Lakes, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 27, 2018 · Synced Oct 9, 2026, 11:49 PM EDT