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.

Phase 2Taking people
Fecal Microbiota Transplantation for IBS
Where
Rochester
Age
18 years to 70 years
People
43
Run by
Madhusudan (Madhu) Grover, MBBS
See details and how to joinNCT05776914
No phaseTaking people
A Prospective Trial of a Variable Compression System for Moderate to Severe Irritable Bowel Syndrome
Where
Bolingbrook, Kissimmee, Southhaven
Age
18 years to 60 years
People
20
Run by
PGP Health
See details and how to joinNCT07540312
Phase 2Taking people
Efficacy of Rifaximin With NAC in IBS-D
Where
Los Angeles
Age
18 years and over
People
225
Run by
Mark Pimentel, MD
See details and how to joinNCT06727422
No phaseTaking people
Home-based Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) for IBS Pain
Where
New Haven
Age
18 years to 29 years
People
80
Run by
Yale University
See details and how to joinNCT06847360
No phaseNot yet taking people in United States
Naturopathic Approaches to Ulcerative Colitis
Where
Portland
Age
18 years and over
People
50
Run by
National University of Natural Medicine
See details and how to joinNCT07521904
No phaseEnrolling by invitation
Specimen and Data Collection for a Novel Biomarker Combination for the Differential Diagnosis of Inflammatory Bowel Disease and Irritable Bowel Syndrome.
Where
Minneapolis
Age
2 years and over
People
300 worldwide
Run by
DiaSorin Inc.
See details and how to joinNCT07471490
Early phase 1Not yet taking people in United States
Psilocybin-Assisted Psychotherapy in Treating Irritable Bowel Syndrome (IBS)
Where
New York
Age
18 years to 75 years
People
10
Run by
NYU Langone Health
See details and how to joinNCT06760533
No phaseTaking people
Online Social Learning Program for Parents With Irritable Bowel Syndrome: Raising Resilient Children
Where
Seattle
Age
18 years and over
People
460
Run by
Seattle Children's Hospital
See details and how to joinNCT05730491
No phaseTaking people
Drug Interaction Potential of Pro-Inflammatory Conditions
Where
Indianapolis
Age
12 years to 99 years
People
150
Run by
Indiana University
See details and how to joinNCT07360938
Early phase 1Taking people
Novel Pilot Study to Treat Symptoms of IBS With Diarrhea Using Combination Therapy of a Low-FODMAP Diet and a Neuromodulator
Where
Jacksonville
Age
18 years to 70 years
People
20
Run by
Mayo Clinic
See details and how to joinNCT06684470
No phaseTaking people
Diet and Motility in IBS
Where
Philadelphia
Age
8 years to 18 years
People
90
Run by
Children's Hospital of Philadelphia
See details and how to joinNCT07283341
Early phase 1Not yet taking people in United States
Use of A Complex Gut Bacterial Consortium (MITI 001) for the Treatment of Irritable Bowel Syndrome With Diarrhea
Where
Redwood City, Stanford
Age
18 years to 65 years
People
13
Run by
Stanford University
See details and how to joinNCT07238790
No phaseTaking people
Visible Abdominal Distension
Where
Los Angeles
Age
18 years to 80 years
People
100 worldwide
Run by
Hospital Universitari Vall d'Hebron Research Institute
See details and how to joinNCT06369753
No phaseTaking people
Assessing Symptom and Mood Dynamics in Pain Using the Smartphone Application SOMA
Where
Providence
Age
18 years and over
People
800
Run by
Brown University
See details and how to joinNCT05754190
No phaseTaking people
Objective Integrated Multimodal Electrophysiological Index for the Quantification of Visceral Pain
Where
Storrs
Age
18 years to 50 years
People
120
Run by
University of Connecticut
See details and how to joinNCT06381921
Phase 3Enrolling by invitation
A Study Evaluating Oral Eluxadoline Administered to Pediatric Participants With Irritable Bowel Syndrome With Diarrhea (IBS-D)
Where
Corona, Miami, Oklahoma City, Pittsburgh, Stockbridge
Age
6 years to 17 years
People
124
Run by
AbbVie
See details and how to joinNCT04880876
No phaseTaking people
Low FODMAP Plus PEG 3350 for the Treatment of Patients with Irritable Bowel Syndrome-Constipation
Where
Ann Arbor
Age
18 years and over
People
78
Run by
University of Michigan
See details and how to joinNCT03687814
Phase 2Taking people
The Use of Directed Probiotics in ME/CFS: Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Where
Fort Lauderdale
Age
45 years to 70 years
People
100
Run by
Nova Southeastern University
See details and how to joinNCT06211062
No phaseTaking people
Prospective Observational Study of Naturopathic Approaches to IBS
Where
Portland
Age
18 years and over
People
50
Run by
National University of Natural Medicine
See details and how to joinNCT06721624
No phaseTaking people
Standardized Yoga & Meditation Program for Stress Reduction for Adolescents With Irritable Bowel Syndrome
Where
Camden
Age
12 years to 21 years
People
10
Run by
Cooper Norcross Health
See details and how to joinNCT05719246
No phaseTaking people
Capsule Microbiota Sampling in IBS/Functional Gastrointestinal Disease
Where
Redwood City
Age
18 years to 70 years
People
40
Run by
Stanford University
See details and how to joinNCT06215222