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ClinicalTrials.gov public records Last synced Nov 7, 2026, 9:20 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 362 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Irritable Bowel Syndrome Clear all

Conditions: Inflammatory Bowel Disease
Interventions: TD-1473, Itraconazole; Drug
Lead sponsor: Theravance Biopharma; Industry
Eligibility: 19 Years to 55 Years
Enrollment: 36 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018
U.S. locations: 1
States / cities: Lincoln, Nebraska

Conditions: Irritable Bowel Syndrome
Interventions: DS-01; Drug
Lead sponsor: Beth Israel Deaconess Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 48 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2022
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Stress, Irritable Bowel Syndrome, Obesity, Abdominal Pain
Interventions: Standard of Care; Other
Lead sponsor: National Institute of Nursing Research (NINR); NIH
Eligibility: 2 Years and older
Enrollment: 225 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2019
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Irritable Bowel Syndrome
Interventions: Food Elimination Diet; Other
Lead sponsor: Biomerica; Industry
Eligibility: 21 Years and older
Enrollment: 556 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2021
U.S. locations: 8
States / cities: Scottsdale, Arizona • Jacksonville, Florida • Wauconda, Illinois + 4 more

Conditions: Irritable Bowel Syndrome
Interventions: Chitin Fiber, Placebo; Dietary Supplement
Lead sponsor: Colorado State University; Other
Eligibility: 18 Years and older
Enrollment: 18 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Fort Collins, Colorado

Conditions: Irritable Bowel Syndrome (IBS)
Interventions: Naturopathic medicine; Other
Lead sponsor: National University of Natural Medicine; Other
Eligibility: 18 Years and older
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Portland, Oregon

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

Conditions: Irritable Bowel Syndrome
Interventions: Elemental Diet; Dietary Supplement
Lead sponsor: Cedars-Sinai Medical Center; Other
Eligibility: 18 Years to 85 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023
U.S. locations: 1
States / cities: Los Angeles, California

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

Conditions: Irritable Bowel Syndrome
Interventions: Dronabinol, Placebo; Drug
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 75 Years
Enrollment: 36 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2011
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Irritable Bowel Syndrome With Constipation (IBS-C)
Interventions: SYN-010 21 mg, SYN-010 42 mg, Placebo; Drug
Lead sponsor: Theriva Biologics, Inc.; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 63 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015
U.S. locations: 1
States / cities: Miami, Florida

Conditions: Irritable Bowel Syndrome With Constipation (IBS-C)
Interventions: Linaclotide, Placebo; Drug
Lead sponsor: Augusta University; Other
Eligibility: 18 Years to 64 Years
Enrollment: 39 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2018
U.S. locations: 1
States / cities: Augusta, Georgia

Conditions: Irritable Bowel Syndrome, Dyspepsia, Functional Bloating
Interventions: Biofeedback, Placebo; Behavioral
Lead sponsor: Hospital Universitari Vall d'Hebron Research Institute; Other
Eligibility: 18 Years to 80 Years
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Los Angeles, California

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

Conditions: Diabetes Mellitus, Type 2, End Stage Renal Disease, Irritable Bowel Syndrome
Interventions: None (Observational); Other
Lead sponsor: Indiana University; Other
Eligibility: 12 Years to 99 Years
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2030
U.S. locations: 1
States / cities: Indianapolis, Indiana

Conditions: Disorders of Gut-brain Interaction, Inflammatory Bowel Disease (IBD), Irritable Bowel Syndrome, Abdominal Pain, Esophageal Disease
Interventions: Gut directed hypnotherapy via telephone intervention, Educational recording; Behavioral
Lead sponsor: Stanford University; Other
Eligibility: 18 Years and older
Enrollment: 26 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Stanford, California

Conditions: Functional Gastrointestinal Disorders, Irritable Bowel Syndrome, Dyspepsia, Functional Abdominal Pain Syndrome
Interventions: Percutaneous neurostimulation; Device
Lead sponsor: Medical College of Wisconsin; Other
Eligibility: 12 Years to 18 Years
Enrollment: 8 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019
U.S. locations: 1
States / cities: Milwaukee, Wisconsin

Conditions: Pelvic Organ Prolapse, Constipation, Bowel Dysfunction, Irritable Bowel Syndrome
Interventions: Robotic sacral colpopexy; Procedure
Lead sponsor: Atlantic Health System; Other
Eligibility: Female only
Enrollment: 393 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2012
U.S. locations: 1
States / cities: Morristown, New Jersey

Conditions: Irritable Bowel Syndrome
Interventions: IBS Group, Healthy Control Group; Other
Lead sponsor: Thomas Jefferson University; Other
Eligibility: 18 Years and older
Enrollment: 50 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2025
U.S. locations: 2
States / cities: Philadelphia, Pennsylvania • Villanova, Pennsylvania

Conditions: Irritable Bowel Syndrome, Small Intestinal Bacterial Overgrowth
Interventions: Placebo, Rifaximin; Drug
Lead sponsor: US Department of Veterans Affairs; Federal
Eligibility: 35 Years to 72 Years
Enrollment: 54 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2013
U.S. locations: 1
States / cities: Salt Lake City, Utah

Conditions: Gastrointestinal Disease, Gastrointestinal Disorders, Nervous System
Interventions: Nonspecific Hypnotherapy for Relaxation, Gut-Directed Hypnotherapy (GDH), 3-month Follow-Up; Other
Lead sponsor: University of Central Florida; Other
Eligibility: 18 Years and older
Enrollment: 11 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025
U.S. locations: 1
States / cities: Orlando, Florida

Conditions: Alpha-Gal Syndrome, Irritable Bowel Syndrome, Diarrhea, Abdominal Pain, Vomiting
Interventions: Ground pork containing alpha-gal, Pork meat not containing alpha-gal; Other
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 18 Years to 99 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Irritable Bowel Syndrome-bile Acid Diarrhea
Interventions: BB01; Dietary Supplement
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 70 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Irritable Bowel Syndrome, Abdominal Pain
Interventions: Social Learning and Cognitive Behavioral Therapy (SLCBT), Attention Education Control; Behavioral
Lead sponsor: Seattle Children's Hospital; Other
Eligibility: 18 Years and older
Enrollment: 460 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2027
U.S. locations: 1
States / cities: Seattle, Washington

Search by objective public record fields.

Food-effect, Drug-Drug Interaction (DDI), and Formulation Bridging Study

SH-DS01 on Fecal Metagenomic Stability

Evaluating and Treating Potential Research Participants With Digestive Disorders

Endpoint Determination Study Protocol

Edible Insects: Good for the Gut and the Globe

Prospective Observational Study of Naturopathic Approaches to IBS

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

Elemental Diet and Gut Microbiome

Integrating Targeted MedlinePlus Health Prescriptions Into Clinic Practice Workflow

Effect of Cannabinoid Agonist on Gastrointestinal and Colonic Motor Functions in Patients With Irritable Bowel Syndrome (IBS)

A Study of the Effect of SYN-010 on Subjects With IBS-C

Investigation of Linaclotide's Effect on the Bi-directional Brain and Gut Axis in IBS-C Patients

Visible Abdominal Distension

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

Drug Interaction Potential of Pro-Inflammatory Conditions

A Pilot Study Using Gut-Directed Hypnotherapy for Hospitalized Patients

Does Improving Vagal Tone Increase Mitochondrial Bioenergetics

Cohort Study of Bowel Function Following Robotic-assisted Laparoscopic Sacrocolpopexy

Pilot Study of the Physiological Effects of an Integrative Medicine Approach in Irritable Bowel Syndrome

Gulf War Digestive Health Study

Telehealth-Delivered Gut-Directed Hypnotherapy for Managing GI Health

GI Alpha-Gal Study

A Study of Hemp Hull WFI for IBS Diarrhea

Online Social Learning Program for Parents With Irritable Bowel Syndrome: Raising Resilient Children