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

Evaluating the Efficacy of the Mediterranean Diet to the Low- Fermentable, Oligosaccharides, Disaccharides, Monosaccharides, and Polyols (FODMAP) Diet in Treating Irritable Bowel Syndrome(IBS)

NCT05807919
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Diet low in all FODMAP groups, Diet - Mediterranean
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Sep 9, 2026, 1:55 AM EDT
Terminated Phase 2Phase 3 Interventional

Safety and Efficacy of Recombinant Adeno-Associated Virus Containing the CFTR Gene in the Treatment of Cystic Fibrosis

NCT00073463
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
tgAAVCF
Genetic
Lead sponsor
Targeted Genetics Corporation
Industry
Eligibility
12 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
11
States / cities
Birmingham, Alabama • Palo Alto, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2008 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Phase 1Phase 2 Interventional

Acupuncture for Irritable Bowel Syndrome

NCT00065403
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Acupuncture
Device
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 80 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Phase 2 Interventional Results available

Citalopram in Irritable Bowel Syndrome

NCT00477165
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Citalopram, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Not applicable Interventional

Symptom Management for Irritable Bowel Syndrome

NCT02079857
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Standard protocol, Individualized protocol, Sham acupuncture/Placebo moxa
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 70 Years
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Sep 9, 2026, 1:55 AM EDT
Terminated Not applicable Interventional Results available

Irritable Bowel Syndrome (IBS) Functional Magnetic Resonance Imaging (fMRI) With Desipramine

NCT00880594
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Desipramine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Not applicable Interventional Results available

Comparison of 19g FNA and 19g FNB Needles for EUS-LB

NCT03408171
View directory record Official record
Conditions
Abnormal Liver Function
Interventions
19-gauge FNA needle, 19-gauge FNB needle
Device
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Sep 9, 2026, 1:55 AM EDT
Terminated No phase listed Observational

EndoFLIP Use in Upper GI Tract Stenosis

NCT02354716
View directory record Official record
Conditions
Esophageal Stricture, Eosinophilic Esophagitis, Zenkers Diverticulum, Schatzki Ring
Interventions
EndoFLIP
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Not applicable Interventional Results available

Online Dietary and Resistance Training to Improve Physical Function in Older Cancer Survivors, E-PROOF Trial

NCT06016725
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Stage I Colorectal Cancer AJCC v8, Stage I Prostate Cancer AJCC v8, Stage II Colorectal Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage III Prostate Cancer AJCC v8
Interventions
Exercise Intervention, Informational Intervention, Nutritional Assessment, Physical Performance Testing, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
65 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Acetaminophen Adduct Formation in Non-Drinkers Taking Therapeutic Doses of Acetaminophen for Ten Consecutive Days

NCT00616018
View directory record Official record
Conditions
Drug Induced Liver Injury
Interventions
acetaminophen
Drug
Lead sponsor
Kennon Heard
Other
Eligibility
21 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 11, 2012 · Synced Sep 9, 2026, 1:55 AM EDT
Completed No phase listed Observational

Study of Fetal Swallowing

NCT00004566
View directory record Official record
Conditions
Deglutition Disorder, High Risk Pregnancy
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 9, 2026, 1:55 AM EDT
Completed No phase listed Observational

Beyond Performance Status: Electronic Activity Monitoring to Assess Functional Activity of Patients With Gastrointestinal Malignancy During Chemotherapy.

NCT02909062
View directory record Official record
Conditions
Gastrointestinal Cancer
Interventions
Electronic Activity Monitoring (EAM), Daily Questionnaire
Device · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
6
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Commack, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Not applicable Interventional

Effects of a Novel Machine Learning Mobile App on Diet Adherence in Individuals Following the Low Fodmap Diet

NCT04256551
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
Heali mobile application + Registered Dietitian, Heali mobile application, Standard Dietary Education
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Probiotics on Stress-associated Gastrointestinal Function in University Students

NCT03056846
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Probiotic Combination, Bifidobacterium bifidum, Bifidobacterium longum
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
634 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 24, 2019 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Phase 2 Interventional

Characterization of Pain Processing Mechanisms in Irritable Bowel Syndrome

NCT00108446
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
dextromethorphan, naloxone, fentanyl, lidocaine
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Sep 9, 2026, 1:55 AM EDT
Not listed Not applicable Interventional

Integrating Behavioral Health and Primary Care for Comorbid Behavioral and Medical Problems

NCT02868983
View directory record Official record
Conditions
Arthritis, Asthma, Chronic Obstructive Lung Disease, Diabetes, Heart Failure, Hypertension, Anxiety, Chronic Pain, Depression, Fibromyalgia, Insomnia, Irritable Bowel Syndrome, Problem Drinking, Substance Use Disorder
Interventions
Integration
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
4,025 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 4, 2021 · Synced Sep 9, 2026, 1:55 AM EDT
Completed No phase listed Observational

Donor Recipient Kidney Function Following Open Surgical vs. Laparoscopic Kidney Donation

NCT00100516
View directory record Official record
Conditions
Kidney Transplantation
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
21 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Not applicable Interventional

Audio-recorded Gut-Hypnotherapy for Sleep and Pain in Pediatric Abdominal Pain Disorders

NCT07216092
View directory record Official record
Conditions
Irritable Bowel Syndrome, Disorders of Gut-brain Interaction
Interventions
Gut-directed Hypnotherapy
Other
Lead sponsor
Children's Hospital at Montefiore
Other
Eligibility
8 Years to 18 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Mahwah, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Lepodisiran (LY3819469) in Participants With Normal, Mild, Moderate, or Severe Liver Function

NCT06916078
View directory record Official record
Conditions
Liver Dysfunction, Healthy
Interventions
Lepodisiran
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Miami, Florida • Orlando, Florida • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 9, 2026, 1:55 AM EDT
Completed Phase 2 Interventional

Phase 2 Study of MD-1100 Acetate on Gastrointestinal Transit in Patients With C-IBS

NCT00258193
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
MD-1100 Acetate
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 19, 2006 · Synced Sep 9, 2026, 1:55 AM EDT
Not listed Early Phase 1 Interventional

Pembrolizumab Plus Y90 Radioembolization in HCC Subjects

NCT03099564
View directory record Official record
Conditions
Hepatocellular Carcinoma
Interventions
Pembrolizumab, Y90 radioembolization
Drug · Device
Lead sponsor
Ashwin Somasundaram
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
3
States / cities
Indianapolis, Indiana • Chapel Hill, North Carolina • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 5, 2023 · Synced Sep 9, 2026, 1:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Gastrointestinal Myoelectric Activity Protocol, the G-Tech EEnG Protocol

NCT01697397
View directory record Official record
Conditions
Gastrointestinal Diseases
Interventions
Recording of Myoelectric Signals
Device
Lead sponsor
G-Tech Corporation
Industry
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Sep 9, 2026, 1:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epidemiology and Pathophysiology of Post-Infectious Functional GI Disorders

NCT03266068
View directory record Official record
Conditions
Campylobacter Infections, Irritable Bowel Syndrome
Interventions
DNA Analysis of Blood Sample, Flexible sigmoidoscopy with colonic biopsies, Small bowel and colonic gastrointestinal permeability, Stool sample analysis
Genetic · Procedure · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Sep 9, 2026, 1:55 AM EDT
Terminated Phase 2 Interventional Results available

Rifaximin on Visceral Hypersensitivity

NCT03462966
View directory record Official record
Conditions
Visceral Hypersensitivity, Irritable Bowel Syndrome
Interventions
Rifaximin
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2022 · Synced Sep 9, 2026, 1:55 AM EDT