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Showing 1–24 of 343 matching trials from the live ClinicalTrials.gov search.
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Recruiting Not applicable Interventional

Mechanisms of Gulf War Illness

NCT05972291
View directory record Official record
Conditions
Gulf War Illness, Irritable Bowel Syndrome, Gastrointestinal Symptoms
Interventions
Oral Glutamine, Control Arm
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Jun 10, 2026, 1:26 PM EDT
Completed No phase listed Observational

Neurological Effects of Chemotherapy and Radiation Therapy in Patients With Colon Cancer

NCT00410618
View directory record Official record
Conditions
Cognitive/Functional Effects, Colorectal Cancer, Long-term Effects Secondary to Cancer Therapy in Adults
Interventions
cognitive assessment, magnetic resonance imaging, management of therapy complications
Procedure
Lead sponsor
University of Arizona
Other
Eligibility
Not listed
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Jun 10, 2026, 1:26 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 21, 2019 · Synced Jun 10, 2026, 1:26 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 11, 2026 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Phase 4 Interventional Results available

Open Trial of Duloxetine in Outpatients With Irritable Bowel Syndrome Symptoms and Co-Morbid Major Depression

NCT01754493
View directory record Official record
Conditions
Major Depression, Irritable Bowel Syndrome
Interventions
Duloxetine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Jun 10, 2026, 1:26 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

MAPP Investigation of Pelvic Floor-Brain Neurobiologic Axis in IC/IBS and IBS

NCT01280864
View directory record Official record
Conditions
Interstitial Cystitis, Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 22, 2018 · Synced Jun 10, 2026, 1:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterizing Protein Biomarkers of Post-infection Irritable Bowel Syndrome

NCT06032117
View directory record Official record
Conditions
Post-infectious Irritable Bowel Syndrome, Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years to 100 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Jun 10, 2026, 1:26 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 5, 2015 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Phase 2Phase 3 Interventional

Nursing Management of Irritable Bowel Syndrome:Improving Outcomes

NCT00167635
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
cognitive-behavioral
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 70 Years
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 24, 2009 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Intestinal Microecology in Chronic Constipation

NCT00934479
View directory record Official record
Conditions
Other Constipation, Irritable Bowel Syndrome
Interventions
Lubiprostone
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 16, 2013 · Synced Jun 10, 2026, 1:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Correlation Between Central Sensitization Inventory and Posturographic Data

NCT03058003
View directory record Official record
Conditions
Central Nervous System Sensitization
Interventions
Posturography Evaluation, Central Sensitization Inventory
Diagnostic Test · Other
Lead sponsor
Caps Research Network
Other
Eligibility
18 Years to 65 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Marietta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 3, 2021 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Effects of ROSE-010 on GI Transit in Constipation Predominant Irritable Bowel Syndrome (C-IBS) Patients

NCT01056107
View directory record Official record
Conditions
Irritable Bowel Syndrome Constipation Predominant
Interventions
ROSE-010, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 30, 2013 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Not applicable Interventional

Neuroimaging and Biomarkers in Chronic Visceral Pain

NCT01602575
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Mindfulness based Stress Reduction Training (MBSR)
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 13, 2018 · Synced Jun 10, 2026, 1:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Contribution of Pain and Inflammation in IBS

NCT01436760
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
Not listed
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 25, 2012 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Phase 4 Interventional Results available

Pregabalin on Colonic Motor and Sensory Function in Constipation Predominant Irritable Bowel Syndrome

NCT01331213
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Pregabalin, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 2, 2014 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Not applicable Interventional Results available

Mindfulness-Based Stress Reduction for Bowel Symptoms: Collection of Pilot Survey Data

NCT00880256
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
mindfulness-based stress reduction
Behavioral
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older · Male only
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 26, 2012 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Phase 3 Interventional Results available

Long Term Safety Study of Plecanatide

NCT02706483
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Plecanatide
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
2,272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
204
States / cities
Athens, Alabama • Birmingham, Alabama • Dothan, Alabama + 200 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Not applicable Interventional

Irritable Bowel Syndrome and Food Sensitivity

NCT02186743
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Personalized Dietary Advice
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 17, 2017 · Synced Jun 10, 2026, 1:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sucrose Breath Test to Determine Intestinal Permeability in IBS

NCT01674088
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
Metabolic Solutions Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 9, 2014 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Not applicable Interventional

Pilot Study Using a Dietary Intervention for Children With Irritable Bowel Syndrome

NCT01018498
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Restricted FODMAPs diet
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 17 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Jun 10, 2026, 1:26 PM EDT
Recruiting Phase 1Phase 2 Interventional

Study of CP-383 in Patients With Advanced or Metastatic Solid Tumors

NCT07030257
View directory record Official record
Conditions
Solid Tumor Malignancies, Colorectal Carcinoma, Small Cell Lung Cancer ( SCLC ), Head and Neck (HNSCC), Bladder Cancer, Non-Small Cell Lung Cancer, Pancreatic Cancer, Advanced or Metastatic
Interventions
CP-383
Drug
Lead sponsor
Tasca Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
13
States / cities
Denver, Colorado • Orlando, Florida • Grand Rapids, Michigan + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Jun 10, 2026, 1:26 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study Evaluating the Impact of Regular FODMAP-targeting Digestive Enzyme Blend Use on Gastrointestinal Symptoms in Individuals With Self-Reported Bloating

NCT07591584
View directory record Official record
Conditions
IBS (Irritable Bowel Syndrome), Bloating, Abdominal Pain, Gut Health
Interventions
FODMAP-targeting digestive enzyme blend, Placebo
Dietary Supplement · Other
Lead sponsor
Kiwi Health Inc
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jun 10, 2026, 1:26 PM EDT
Completed Phase 2 Interventional

A Safety and Efficacy Study of Daikenchuto (TU-100) to Relieve Abdominal Bloating in Female Subjects With Irritable Bowel Syndrome

NCT02074579
View directory record Official record
Conditions
Irritable Bowel Syndrome in Females
Interventions
TU-100, Placebo
Drug
Lead sponsor
Tsumura USA
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Jun 10, 2026, 1:26 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 26, 2017 · Synced Jun 10, 2026, 1:26 PM EDT