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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Functional Dyspepsia Clear all
Withdrawn Not applicable Interventional

Study to Evaluate Dietary Modification in Patients With Functional Dyspepsia.

NCT02863822
View directory record Official record
Conditions
Dyspepsia, Dietary Modification
Interventions
Low FODMAP Diet, Choose My Plate Diet
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Jul 22, 2026, 2:11 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Corticotropin Releasing Hormone (CRH) Responsiveness in Children With Functional Dyspepsia

NCT01373372
View directory record Official record
Conditions
Functional Dyspepsia
Interventions
Acthrel
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Jul 22, 2026, 2:11 AM EDT
Completed Not applicable Interventional

Advancing Nutritional Science for Children With Functional Dyspepsia

NCT04053049
View directory record Official record
Conditions
Dyspepsia
Interventions
Diet
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
10 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Jul 22, 2026, 2:11 AM EDT
Completed No phase listed Observational

SIBO, Immune Activation, and FGIDs in Children

NCT02872961
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 28, 2021 · Synced Jul 22, 2026, 2:11 AM EDT
Recruiting No phase listed Observational

Gastroparesis Registry 4

NCT05846802
View directory record Official record
Conditions
Gastroparesis, Gastroparesis Nondiabetic, Gastroparesis Due to Diabetes Mellitus Type I, Gastroparesis Due to Diabetes Mellitus Type II, Functional Disorder of Gastrointestinal Tract, Gastro-Intestinal Disorder
Interventions
Not listed
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 85 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Scottsdale, Arizona • Louisville, Kentucky • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Jul 22, 2026, 2:11 AM EDT
Completed No phase listed Observational

Functional Dyspepsia (FD) - Clinical Response to Montelukast in Children

NCT02360696
View directory record Official record
Conditions
Eosinophilia, Dyspepsia
Interventions
Not listed
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Jul 22, 2026, 2:11 AM EDT
Terminated Not applicable Interventional Results available

Effect of Nortriptyline on Abdominal Pain/Discomfort and Quality of Life in Patients With Nonulcer Dyspepsia

NCT00547703
View directory record Official record
Conditions
Non Ulcer Dyspepsia
Interventions
Nortriptyline, Placebo
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Jul 22, 2026, 2:11 AM EDT
Terminated Not applicable Interventional Results available

A Study of Randomized Sham-control Auricular TENS Unit Stimulation in Pediatric Functional Gastrointestinal Disorders

NCT04247100
View directory record Official record
Conditions
Functional Gastrointestinal Disorders, Vagus Nerve Autonomic Disorder, Irritable Bowel Syndrome, Nausea, Dyspepsia
Interventions
Transcutaneous Electrical Nerve Stimulation (TENS), Sham Transcutaneous Electrical Nerve Stimulation
Device
Lead sponsor
Gisela Grotewold Chelimsky
Other
Eligibility
12 Years to 18 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Jul 22, 2026, 2:11 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 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Jul 22, 2026, 2:11 AM EDT
Completed Not applicable Interventional Results available

Efficacy of Open Label Placebo in Children With FGIDs

NCT02389998
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Jul 22, 2026, 2:11 AM EDT
Completed Not applicable Interventional

Web-based Management of Pediatric Functional Abdominal Pain

NCT02327377
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced Jul 22, 2026, 2:11 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

GI Neuromuscular Pathology Prospective Registry

NCT02165059
View directory record Official record
Conditions
Gastroparesis
Interventions
Surgical Full Thickness Biopsy
Procedure
Lead sponsor
Indiana University
Other
Eligibility
6 Months to 90 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jul 22, 2026, 2:11 AM EDT
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers

Trenev Trio/Healthy Trinity for Symptoms of Diarrhea-predominant Irritable Bowel Syndrome (IBS) and Functional Dyspepsia

NCT01268618
View directory record Official record
Conditions
IBS-D and Functional Dyspepsia
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
Sprim Advanced Life Sciences
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Duluth, Georgia • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 20, 2011 · Synced Jul 22, 2026, 2:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Small Intestinal Bacterial Overgrowth Contribute to Functional Dyspepsia

NCT00956397
View directory record Official record
Conditions
Functional Dyspepsia, Small Intestinal Bacterial Overgrowth, Chronic Abdominal Discomfort
Interventions
Rifaximin, Lactulose Breath Test, Placebo
Drug · Procedure
Lead sponsor
Henry C. Lin, MD
Federal
Eligibility
21 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Oct 23, 2012 · Synced Jul 22, 2026, 2:11 AM EDT
Completed Not applicable Interventional Results available

Does Improving Vagal Tone Increase Mitochondrial Bioenergetics

NCT03931330
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 20, 2021 · Synced Jul 22, 2026, 2:11 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Biomagnetic Characterization of Gastric Dysrhythmias III

NCT03176927
View directory record Official record
Conditions
Diabetics Without Symptoms of Gastroparesis, Diabetic Gastroparesis, Idiopathic Gastroparesis, Total or Partial Gastrectomy, Chronic Nausea, Functional Dyspepsia
Interventions
magnetogastrogram
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
12 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jul 22, 2026, 2:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gastric Motor Function Measurement in Dyspepsia and Normal Subjects

NCT00296582
View directory record Official record
Conditions
Dyspepsia
Interventions
Gastric Motor Function Measurement
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 22, 2011 · Synced Jul 22, 2026, 2:11 AM EDT
Completed No phase listed Observational

Functional Dyspepsia Microbiome Study

NCT02340312
View directory record Official record
Conditions
Functional Dyspepsia
Interventions
EGD, Collection of Stool Specimens
Procedure · Other
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Jul 22, 2026, 2:11 AM EDT
Withdrawn Not applicable Interventional

Confocal Endomicroscopy for Non-Erosive Reflux Disease (CE NERD)

NCT02039869
View directory record Official record
Conditions
Gastroesophageal Reflux Disease, Non Erosive Reflux Disease, Dyspepsia
Interventions
Confocal endomicroscopy, Proton pump inhibitor, Sucralfate
Device · Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 79 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
3
States / cities
Kenner, Louisiana • Charleston, South Carolina • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 8, 2015 · Synced Jul 22, 2026, 2:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Intestinal Permeability in Children/Adolescents With Functional Dyspepsia

NCT00363597
View directory record Official record
Conditions
Functional Dyspepsia
Interventions
Not listed
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 18, 2020 · Synced Jul 22, 2026, 2:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Mucosal Impedance in Pediatric Population

NCT02320981
View directory record Official record
Conditions
Gastroesophageal Reflux Disease (GERD), Eosinophilic Esophagitis (EoE), Functional Dyspepsia
Interventions
Standard of Care esophagogastroduodenoscopy (EGD) with measurement of mucosal impedance
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
1 Year to 18 Years
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 30, 2017 · Synced Jul 22, 2026, 2:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Ghrelin and Gastric Emptying in Children With Functional Dyspepsia

NCT01591174
View directory record Official record
Conditions
Functional Dyspepsia
Interventions
Not listed
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 19, 2019 · Synced Jul 22, 2026, 2:11 AM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety of Cannabidiol for Gastroparesis and Functional Dyspepsia

NCT03941288
View directory record Official record
Conditions
Gastroparesis, Dyspepsia
Interventions
Cannabidiol, placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Jul 22, 2026, 2:11 AM EDT
Completed Not applicable Interventional

Controlled Trial of Gastric Electrical Stimulation in Children

NCT07474415
View directory record Official record
Conditions
Gastroparesis, Functional Dyspepsia, Vomiting Syndrome
Interventions
Temporary Gastric Electrical Stimulation
Device
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Up to 21 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jul 22, 2026, 2:11 AM EDT