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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Functional Abdominal Pain Clear all
Completed Not applicable Interventional Results available

Efficacy of Ear Neurostimulation for Adolescents With Functional Abdominal Pain

NCT02367729
View directory record Official record
Conditions
Functional Disorder of Intestine, Nausea Persistent
Interventions
Neurostimulator, Sham
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
11 Years to 18 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Sep 26, 2026, 10:43 AM EDT
Terminated Not applicable Interventional

Vitamin D Supplementation in IBS

NCT03148288
View directory record Official record
Conditions
Irritable Bowel Syndrome, Vitamin D Deficiency, Abdominal Pain
Interventions
Vitamin D, placebo
Dietary Supplement
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2020 · Synced Sep 26, 2026, 10:43 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Migraine and Recurrent Abdominal Pain in Children

NCT00060619
View directory record Official record
Conditions
Migraine, Abdominal Pain
Interventions
thermal biofeedback, relaxation training, cognitive coping skills, parent education
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
7 Years to 17 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 26, 2026, 10:43 AM EDT
Completed Phase 2 Interventional Results available

(Hyoscine Butylbromide) for Abdominal Pain Associated With Cramping on Demand Basis

NCT00932737
View directory record Official record
Conditions
Abdominal Pain
Interventions
Placebo, HBB 20 mg
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
19
States / cities
Westlake Village, California • Hollywood, Florida • Jupiter, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Sep 26, 2026, 10:43 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Microneurography and Spinal Cord Stimulation in Chronic Visceral Pain

NCT00678717
View directory record Official record
Conditions
Chronic Pain
Interventions
Autonomic Evaluation
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 15, 2018 · Synced Sep 26, 2026, 10:43 AM EDT
Terminated Phase 3 Interventional

Recurrent Abdominal Pain and Exocrine Pancreatic Insufficiency

NCT04231279
View directory record Official record
Conditions
Abdominal Pain, Irritable Bowel Syndrome
Interventions
synthetic human secretin
Drug
Lead sponsor
Orlando Health, Inc.
Other
Eligibility
6 Months to 18 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Sep 26, 2026, 10:43 AM EDT
Completed Not applicable Interventional

GI Alpha-Gal Study

NCT06268717
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 26, 2026, 10:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Objective Integrated Multimodal Electrophysiological Index for the Quantification of Visceral Pain

NCT06381921
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Sep 26, 2026, 10:43 AM EDT
Completed Not applicable Interventional

Delivered Dietary Intervention for Children With Irritable Bowel Syndrome

NCT01339117
View directory record Official record
Conditions
Irritable Bowel Syndrome, Abdominal Pain
Interventions
Low fermentable substrate diet, High fermentable substrate diet
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 21, 2021 · Synced Sep 26, 2026, 10:43 AM EDT
Completed No phase listed Observational

Fecal Calprotectin Collection Protocol

NCT03143517
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 6, 2019 · Synced Sep 26, 2026, 10:43 AM EDT
Completed Phase 3 Interventional Results available

The Effect of Long-Acting Mesalamine on Post-Infective Irritable Bowel Syndrome- A Pilot Study

NCT01412372
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Mesalamine, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Sep 26, 2026, 10:43 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Transverse Abdominal Plane Anesthesia for Abdominal Wall Reconstruction

NCT02274077
View directory record Official record
Conditions
Hernia, Ventral
Interventions
EXPAREL, Normal Saline
Drug
Lead sponsor
Chester Mays
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2016 · Synced Sep 26, 2026, 10:43 AM EDT
Recruiting Phase 2Phase 3 Interventional

Home Transcutaneous Electrical Acustimulation (TEA)

NCT05519683
View directory record Official record
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 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Sep 26, 2026, 10:43 AM EDT
Recruiting Phase 2 Interventional

Psyllium in Pediatric IBS

NCT06639984
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Psyllium (0.7 g/year of age per day), Psyllium (0.5 g/year of age per day), Placebo, fructans
Drug · Other
Lead sponsor
Dr Bruno Chumpitazi, M.D.
Other
Eligibility
12 Years to 17 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 26, 2026, 10:43 AM EDT
Completed Not applicable Interventional

Neural Mechanisms of Treatment Response to ADAPT

NCT03518216
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 26, 2026, 10:43 AM EDT
Completed Not applicable Interventional Results available

Feeling and Body Investigators for Pediatric Abdominal Pain

NCT02075437
View directory record Official record
Conditions
Functional Abdominal Pain
Interventions
Feeling and Body Investigators with Functional Abdominal Pain, Treatment Strategies
Behavioral
Lead sponsor
Duke University
Other
Eligibility
60 Months to 107 Months
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced Sep 26, 2026, 10:43 AM EDT
Terminated Not applicable Interventional Results available

Neuromodulation for Children With Cystic Fibrosis Experiencing Chronic Abdominal Pain

NCT05515250
View directory record Official record
Conditions
Cystic Fibrosis, Irritable Bowel Syndrome, Chronic Pain
Interventions
Use of neurostimulation device
Device
Lead sponsor
St. Louis University
Other
Eligibility
11 Years to 18 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Sep 26, 2026, 10:43 AM EDT
Completed Phase 2 Interventional

A Study of Crofelemer to Treat Diarrhea Irritable Bowel Syndrome

NCT00101725
View directory record Official record
Conditions
Irritable Bowel Syndrome, Colonic Diseases, Diarrhea, Gastrointestinal Disease
Interventions
crofelemer
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
29
States / cities
Huntsville, Alabama • Chandler, Arizona • North Little Rock, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Sep 26, 2026, 10:43 AM EDT
Completed Phase 4 Interventional

Study of Medication for Functional Abdominal Pain in Children

NCT00564525
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 27, 2007 · Synced Sep 26, 2026, 10:43 AM 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 Sep 26, 2026, 10:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

QST Study: Predicting Treatment Response in Chronic Pancreatitis Using Quantitative Sensory Testing

NCT03434392
View directory record Official record
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 – 2031
U.S. locations
2
States / cities
Baltimore, Maryland • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 26, 2026, 10:43 AM EDT
Completed Not applicable Interventional

Improving Care for Youth With FAP: A Stepped Care CBT Delivery Approach

NCT03134950
View directory record Official record
Conditions
Functional Abdominal Pain Syndrome, Anxiety
Interventions
ADAPT
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
9 Years to 14 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 8, 2021 · Synced Sep 26, 2026, 10:43 AM EDT
Suspended Phase 2 Interventional

A Four Arm Study to Evaluate the Safety and Efficacy of 3 Different Doses of RVX-100 Versus Placebo in Subjects With Irritable Bowel Syndrome Accompanied by Diarrhea (IBS-D)

NCT01076699
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
0.075 mg RVX-100, 0.125 mg RVX-100, 0.250 mg RVX-100, placebo
Drug
Lead sponsor
Revogenex, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chevy Chase, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 18, 2010 · Synced Sep 26, 2026, 10:43 AM EDT
Terminated Phase 2 Interventional Results available

A Placebo-controlled Crossover Trial Using Cyproheptadine To Treat Children With Functional Abdominal Pain

NCT01675050
View directory record Official record
Conditions
Functional Abdominal Pain
Interventions
Cyproheptadine, sugar pill
Drug
Lead sponsor
University of Michigan
Other
Eligibility
8 Years to 18 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Sep 26, 2026, 10:43 AM EDT