Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 22, 2026, 12:56 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Functional Gastrointestinal Disorders
Interventions
Amitriptyline, Placebo
Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
8 Years to 17 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
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
Conditions
Functional Abdominal Pain Syndrome, Anxiety
Interventions
ADAPT
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
11 Years to 16 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Grand Rapids, Michigan
Conditions
Functional Abdominal Pain Disorders, Irritable Bowel Syndrome (IBS), Functional Gastrointestinal Disorders (FGIDs), Gastrointestinal and Digestive Disorder, Abdominal Pain/ Discomfort, Pain, Functional Dyspepsia
Interventions
Guided Imagery Therapy
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 12 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Austin, Texas • Houston, Texas
Conditions
Abdominal Pain
Interventions
IBS-PPSM intervention
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 50 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Storrs, Connecticut
Conditions
Abdominal Pain, Duodenitis
Interventions
Biofeedback-assisted relaxation training
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Kansas City, Missouri
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
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
Conditions
Chronic Pain Syndrome, Fibromyalgia, Chronic Headache Disorder, Functional Abdominal Pain Syndrome, Complex Regional Pain Syndromes
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
10 Years to 17 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Waltham, Massachusetts
Conditions
Infantile Colic, Infantile Functional Gastrointestinal Disorders
Interventions
Nepadutant
Drug
Lead sponsor
Menarini Group
Industry
Eligibility
6 Weeks to 24 Weeks
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
3
States / cities
Little Rock, Arkansas • Louisville, Kentucky • Cleveland, Ohio
Conditions
Irritable Bowel Syndrome With Constipation
Interventions
TEA, Lexapro
Device · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional

GI Alpha-Gal Study

NCT06268717
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
Small Intestinal Bacterial Overgrowth, Irritable Bowel Syndrome, Functional Dyspepsia, Functional Abdominal Pain
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
4 Years to 17 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Houston, Texas
Conditions
IBS - Irritable Bowel Syndrome
Interventions
Drink Poppi Soda
Dietary Supplement
Lead sponsor
Drink Poppi
Industry
Eligibility
18 Years to 45 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Terminated Not applicable Interventional Accepts healthy volunteers

Evaluating and Treating Potential Research Participants With Digestive Disorders

NCT01736280
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
Completed No phase listed Observational Accepts healthy volunteers

Heart Rate Variability in Children With a Functional Gastrointestinal Disorder

NCT00195975
Conditions
Abdominal Pain
Interventions
Not listed
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Kansas City, Missouri
Conditions
Irritable Bowel Syndrome, Digestive System Diseases, Gastrointestinal Diseases, Intestinal Diseases, Abdominal Pain
Interventions
Daikenchuto (TU-100), Placebo
Drug
Lead sponsor
Tsumura USA
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Staccato Granisetron® (AZ 010) for the Treatment of Cyclic Vomiting Syndrome

NCT04645953
Conditions
Cyclic Vomiting Syndrome
Interventions
3mg AZ-010, 1mg AZ010, Staccato Placebo
Combination Product
Lead sponsor
Alexza Pharmaceuticals, Inc.
Other
Eligibility
18 Years to 60 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
18
States / cities
Lancaster, California • Los Angeles, California • San Diego, California + 14 more
Conditions
Chronic Pancreatitis, Chronic Pain
Interventions
Quantitative Sensory Test 1, Quantitative Sensory Test 2, Quantitative Sensory Test 3
Diagnostic Test
Lead sponsor
Anna Evans Phillips
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland • Pittsburgh, Pennsylvania
Recruiting No phase listed Observational Accepts healthy volunteers

Overlapping Pain Trajectory Study

NCT05752396
Conditions
Migraine, Musculoskeletal Pain, Functional Abdominal Pain Disorders, Chronic Pain, Widespread Chronic Pain, Low Back Pain, Healthy Volunteers
Interventions
Conditioned Pain Modulation, Offset Analgesia, Spatial Summation, Temporal Summation
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 19 Years
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Cincinnati, Ohio
Completed Not applicable Interventional Results available

Efficacy of Open Label Placebo in Children With FGIDs

NCT02389998
Conditions
Functional Abdominal Pain, Functional Dyspepsia, Irritable Bowel Syndrome, Functional Gastrointestinal Disorders
Interventions
Placebo Suspension, Hyoscyamine
Other · Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
8 Years to 21 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 2 Interventional Results available

Comparison of Rimegepant and Placebo for Pain in IBS

NCT06221111
Conditions
Irritable Bowel Syndrome
Interventions
Rimegepant 75 MG [Nurtec]
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Gastrointestinal Disorders, Functional
Interventions
Online Cognitive Behavior Therapy, Online Education
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
11 Years to 17 Years
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Completed No phase listed Observational

Fecal Calprotectin Collection Protocol

NCT03143517
Conditions
Inflammatory Bowel Diseases, Irritable Bowel Syndrome, Ulcerative Colitis, Crohn Disease, Indeterminate Colitis, Chronic Diarrhea, Celiac Disease, Diverticulitis, Abdominal Pain, Distension, Weight Loss, Food Intolerance, Constipation
Interventions
Stool collection
Diagnostic Test
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
4 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
13
States / cities
Dothan, Alabama • Little Rock, Arkansas • Mission Hills, California + 10 more