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ClinicalTrials.gov public records Last synced Oct 27, 2026, 3:51 PM EDT

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Showing 1–24 of 303 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Gastrointestinal Irritation Clear all
Not listed Phase 2 Interventional

Acupuncture/Moxibustion for Irritable Bowel Syndrome (IBS)

NCT00945074
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Standard Acupuncture/Moxibustion (fixed protocol), Individualized Acupuncture/Moxibustion, Sham/Placebo Acupuncture/Moxibustion
Other
Lead sponsor
New York University
Other
Eligibility
18 Years to 70 Years
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 22, 2016 · Synced Oct 27, 2026, 3:51 PM EDT
Completed Not applicable Interventional

Nursing Management of Irritable Bowel Syndrome (IBS) 2008

NCT00907790
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Usual Care (Control Group), Comprehensive Self-Management (CSM)
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 70 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced Oct 27, 2026, 3:51 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 27, 2026, 3:51 PM 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 Oct 27, 2026, 3:51 PM EDT
Completed Not applicable Interventional

Implementing a Low FODMAP Diet in Irritable Bowel Syndrome Patients

NCT03948854
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
Registered dietitian, On-line video program, Printed handout, Dietitian-led group
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 14, 2022 · Synced Oct 27, 2026, 3:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Characterization of Pain Processing Mechanisms in Irritable Bowel Syndrome

NCT00100425
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Viceral Perception Testing
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 72 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2000
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 21, 2009 · Synced Oct 27, 2026, 3:51 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 27, 2026, 3:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Integrating Targeted MedlinePlus Health Prescriptions Into Clinic Practice Workflow

NCT00634608
View directory record Official record
Conditions
Allergic Rhinitis, Asthma, Back Pain, Benign Prostatic Hypertrophy, Bursitis, Depression, Anxiety, Diabetes Mellitus, Esophageal Reflux, HIV Infections, Hyperlipidemia, Hypertension, Insomnia, Irritable Bowel Syndrome, Obesity, Osteoporosis (Senile), Shoulder Pain, Sinusitis, Symptomatic Menopause, Urinary Incontinence, Urinary Tract Infection, Vaginitis
Interventions
Health Information Prescription
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 30, 2016 · Synced Oct 27, 2026, 3:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Irritable Bowel Syndrome and Control Volunteers: Diet Challenge

NCT06668922
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Inulin
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 27, 2026, 3:51 PM EDT
Completed Not applicable Interventional

Relaxation Music for Chronic Pain

NCT06993272
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome, IBD - Inflammatory Bowel Disease
Interventions
MIndful Jazz, Reggae Stereotypes, Traditional Mindfulness, Pain psychoeducation
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 27, 2026, 3:51 PM EDT
Completed Phase 1Phase 2 Interventional

Acupuncture for Irritable Bowel Syndrome

NCT00065403
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Acupuncture
Device
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 80 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2006 · Synced Oct 27, 2026, 3:51 PM EDT
Completed Phase 2 Interventional Results available

A Placebo-Controlled Trial of St. John's Wort for Irritable Bowel Syndrome

NCT00587860
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
St. John's wort, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2010 · Synced Oct 27, 2026, 3:51 PM EDT
Terminated Phase 1 Interventional

Pilot Study to Assess the Effects of AV608 on Irritable Bowel Syndrome

NCT00316550
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
AV608
Drug
Lead sponsor
Avera Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 25, 2008 · Synced Oct 27, 2026, 3:51 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Abdominal Symptom Phenotype Study in Children

NCT01204515
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 12 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Oct 27, 2026, 3:51 PM EDT
Not yet recruiting Not applicable Interventional

The Mechanism Underlying the Analgesic Effect of the Music of IBS Pain

NCT06706778
View directory record Official record
Conditions
Abdominal Pain/ Discomfort, Irritable Bowel Syndrome
Interventions
Music intervention
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 27, 2026 · Synced Oct 27, 2026, 3:51 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 27, 2026, 3:51 PM EDT
Completed Phase 2 Interventional Results available

Does Welchol (Colesevelam Hydrochloride) Improve Colonic Transit in Diarrhea-predominant Irritable Bowel Syndrome (D-IBS)?

NCT00911612
View directory record Official record
Conditions
Irritable Bowel Syndrome, Diarrhea
Interventions
Colesevelam, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 4, 2012 · Synced Oct 27, 2026, 3:51 PM EDT
Terminated No phase listed Observational

Systems Biology of Gastrointestinal and Related Diseases

NCT05579444
View directory record Official record
Conditions
Ulcerative Colitis, Crohn Disease, Obesity, Colon Polyp, Eosinophilic Esophagitis, GERD, Gastro Esophageal Reflux, Barrett Esophagus, Esophageal Cancer, Gastritis, Gastric Ulcer, Duodenal Ulcer, Intestinal Metaplasia, Gastric Cancer, Lymphocytic Colitis, Microscopic Colitis, Celiac Sprue, IBS, Irritable Bowel Syndrome, SIBO, NAFLD, Gallstone Disease
Interventions
Not listed
Lead sponsor
Viome
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Dec 15, 2023 · Synced Oct 27, 2026, 3:51 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 27, 2026, 3:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effect of BIO-K+ on Symptoms of Irritable Bowel Syndrome

NCT01545037
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
L. acidophilus CL1285® + L. casei LBC80R® + L. rhamnosus CLR2®, Placebo
Dietary Supplement · Other
Lead sponsor
Bio-K Plus International Inc.
Industry
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
3
States / cities
Garden Grove, California • San Francisco, California • Westlake Village, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Oct 27, 2026, 3:51 PM EDT
Not listed Not applicable Interventional

Integrating Behavioral Health and Primary Care for Comorbid Behavioral and Medical Problems

NCT02868983
View directory record Official record
Conditions
Arthritis, Asthma, Chronic Obstructive Lung Disease, Diabetes, Heart Failure, Hypertension, Anxiety, Chronic Pain, Depression, Fibromyalgia, Insomnia, Irritable Bowel Syndrome, Problem Drinking, Substance Use Disorder
Interventions
Integration
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
4,025 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Oct 27, 2026, 3:51 PM EDT
Completed Phase 2 Interventional

Recurrent Abdominal Pain in Children

NCT00526903
View directory record Official record
Conditions
Abdominal Pain, Irritable Bowel Syndrome
Interventions
Elimination Diet
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 18 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2016 · Synced Oct 27, 2026, 3:51 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 27, 2026, 3:51 PM EDT
Completed Phase 3 Interventional Results available

The Effect of Long-Acting Mesalamine on Post-Infective Irritable Bowel Syndrome- A Pilot Study

NCT01412372
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Mesalamine, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 31, 2020 · Synced Oct 27, 2026, 3:51 PM EDT