Irritable bowel syndrome trials in United States

In United States 46 Also abroad 159

46 trials · From ClinicalTrials.gov, checked 13 November 2026. Ask the study team whether a trial fits you.

No phaseNot yet taking people in United States
Effects of nVNS on Stress Reactivity in IBS
Where
Los Angeles
Age
18 years to 50 years
People
200
Run by
University of California, Los Angeles
See details and how to joinNCT07926945
Phase 2Taking people
A Study of Brenipatide (LY3537031) in Participants With Irritable Bowel Syndrome-Constipation (IBS-C)
Where
Anaheim, Columbus, Hollywood, Lancaster, Los Alamitos, Louisville, McAllen, Mesa, New Albany, New York, Providence, San Antonio, Springfield, Webster
Age
18 years to 75 years
People
342 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT07545772 · EU 2025-524974-41-00
Phase 2Taking people
A Study of Brenipatide (LY3537031) in Participants With Irritable Bowel Syndrome-Diarrhea (IBS-D)
Where
Anaheim, Columbus, Hollywood, Kissimmee, Lancaster, Los Alamitos, Louisville, McAllen, Mesa, New Albany, Providence, Rochester, San Antonio, Springfield, Wyoming
Age
18 years to 75 years
People
531 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT07545759 · EU 2025-524973-17-00
No phaseTaking people
IBS Skin Patch Test Food Allergy Study
Where
North Wales, Philadelphia
Age
18 years and over
People
250
Run by
IBS-80, LLC
See details and how to joinNCT06288672
Phase 2Enrolling by invitation
Herbal Supplement (Biocidin REMOVE) for Bacterial Overgrowth in Irritable Bowel Syndrome
Where
Baltimore
Age
18 years and over
People
40
Run by
Johns Hopkins University
See details and how to joinNCT07768267
No phaseNot yet taking people in United States
The Mechanism Underlying the Analgesic Effect of the Music of IBS Pain
Where
New Haven
Age
18 years to 50 years
People
30
Run by
Yale University
See details and how to joinNCT06706778
No phaseNot yet taking people in United States
High-Resolution Measurements of Diet-Microbiome Interactions
Where
Stanford
Age
18 years to 75 years
People
40
Run by
Stanford University
See details and how to joinNCT07856823
No phaseNot yet taking people in United States
A Well-Being Intervention for People With IBS
Where
Madison
Age
18 years and over
People
150
Run by
University of Wisconsin, Madison
See details and how to joinNCT07600047
Phase 2Taking people
A Study to Investigate Abdominal Symptoms With Camlipixant Compared With Placebo in Adults With Irritable Bowel Syndrome - Diarrhea (IBS-D) and Irritable Bowel Syndrome - Mixed (IBS-M)
Where
Ames, Anaheim, Anniston, Atlanta, Aurora, Beavercreek, Boston, Brandon, Charlotte, Chattanooga, Chula Vista, Clearwater, Clinton Township, Colorado Springs, Columbus, Coral Gables, Coronado, Corsicana, Decatur, Doral, Fayetteville, Flint, Garden Grove, Georgetown, Greenville, Guntersville, Harlingen, Harrisburg, Hartsdale, Hazelwood, Hialeah, Homestead, Houma, Houston, Idaho Falls, Jacksonville, Johnson City, Kingsport, Kissimmee, Knoxville, Lancaster, Lawrenceville, Lone Tree, Los Angeles, Lynchburg, Mentor, Meridian, Mesquite, Miami, Miami Beach, Miami Lakes, Miami Springs, Missoula, Missouri City, Mobile, Morton, Murrieta, Nashville, New Port Richey, New Windsor, New York, Norman, North Massapequa, Oak Lawn, Ocala, Ogden, Orlando, Palm Harbor, Pasadena, Pearland, Pembroke Pines, Petersburg, Phoenix, Pittsburgh, Richmond, Richmond Hill, Rochester, Rocky Mount, Salisbury, San Antonio, San Diego, Sandy City, Saraland, Scottsdale, Sherman Oaks, Sunrise, Tampa, Tempe, Tucson, Tulsa, Union City, Uniontown, West Hills, Winston-Salem
Age
18 years to 80 years
People
420
Run by
GlaxoSmithKline
See details and how to joinNCT07519395
Phase 2/3Taking people
Home Transcutaneous Electrical Acustimulation (TEA)
Where
Ann Arbor
Age
18 years and over
People
160
Run by
University of Michigan
See details and how to joinNCT05519683
No phaseTaking people
Feasibility Study of a Guided Imagery Therapy Mobile Application for Functional Abdominal Pain Disorders in Children
Where
Austin, Houston
Age
7 years to 12 years
People
63
Run by
Baylor College of Medicine
See details and how to joinNCT07222943
No phaseTaking people
Transauricular Neurostimulation for Abdominal Pain Due to DGBI
Where
Columbus
Age
12 years to 18 years
People
30
Run by
Nationwide Children's Hospital
See details and how to joinNCT07798180
No phaseTaking people
Mechanisms of Gulf War Illness
Where
Memphis
Age
18 years to 65 years
People
80
Run by
VA Office of Research and Development
See details and how to joinNCT05972291
No phaseTaking people
Irritable Bowel Syndrome and Control Volunteers: Diet Challenge
Where
Los Angeles
Age
18 years to 75 years
People
72
Run by
University of California, Los Angeles
See details and how to joinNCT06668922
No phaseTaking people
Mucosal and Microbiota Changes During Acute Campylobacteriosis
Where
Rochester
Age
18 years to 80 years
People
150
Run by
Mayo Clinic
See details and how to joinNCT03223077
No phaseTaking people
A Study of Virtual Reality and Linaclotide for IBS-C
Where
Jacksonville
Age
18 years to 70 years
People
65
Run by
Mayo Clinic
See details and how to joinNCT05796388
No phaseNot yet taking people in United States
A Pilot Study Using Gut-Directed Hypnotherapy for Hospitalized Patients
Where
Stanford
Age
18 years and over
People
26
Run by
Stanford University
See details and how to joinNCT07676136
No phaseNot yet taking people in United States
Trans Auricular Vagal Nerve Stimulation in Patients With IBS-C
Where
Morgantown
Age
18 years and over
People
80
Run by
West Virginia University
See details and how to joinNCT07662083
No phaseTaking people
Well-being in IBS: Strengths and Happiness (WISH) 2.0
Where
Boston
Age
18 years and over
People
50
Run by
Massachusetts General Hospital
See details and how to joinNCT06866106
No phaseTaking people
Defining Objective Markers of Compliance for Dietary Therapies in IBS
Where
Ann Arbor
Age
18 years to 65 years
People
94
Run by
University of Michigan
See details and how to joinNCT07494968
No phaseTaking people
Indiana University Gastrointestinal Motility Diagnosis Registry
Where
Indianapolis
People
5,000
Run by
Indiana University
See details and how to joinNCT04506593
No phaseEnrolling by invitation
Enabling Microbiomics- Driven Personalized Nutrition
Where
Rochester
Age
18 years and over
People
4,001
Run by
Mayo Clinic
See details and how to joinNCT06657001
Phase 3Enrolling by invitation
Safety Study of Tenapanor for the Treatment of Pediatric Patients (6 to Less Than 18 Years Old) With IBS-C
Where
Abilene, Anaheim, Boys Town, Brooklyn, Charlotte, Doral, Durham, El Paso, Foley, Greenville, Harlingen, Indianapolis, Kingwood, Kissimmee, Mankato, Miami, Orlando, Peoria, Plano, Portland, San Antonio, Scottdale, Smithfield, South Miami, Sugar Land, The Bronx, Wilmington
Age
6 years to 18 years
People
150
Run by
Ardelyx
See details and how to joinNCT05905926
Phase 2Taking people
Psyllium in Pediatric IBS
Where
Durham
Age
12 years to 17 years
People
110
Run by
Dr Bruno Chumpitazi, M.D.
See details and how to joinNCT06639984
No phaseTaking people
A Study Evaluating the Impact of Regular FODMAP-targeting Digestive Enzyme Blend Use on Gastrointestinal Symptoms in Individuals With Self-Reported Bloating
Where
Los Angeles
Age
18 years and over
People
150
Run by
Kiwi Health Inc
See details and how to joinNCT07591584