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ClinicalTrials.gov public records Last synced Oct 21, 2026, 11:02 AM EDT

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Showing 1–24 of 699 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Functional Gastrointestinal Disorders Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

Mitochondrial Function in Patients With Severe Liver Disease

NCT02457702
View directory record Official record
Conditions
Hepatic Insufficiency, Hypoalbuminemia
Interventions
Orally administered labeled glycerol
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 70 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 29, 2022 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Examining The Effect Of Hepatic Impairment On Safety, Toleration And How The Body Processes An Experimental Drug

NCT00645021
View directory record Official record
Conditions
Obesity, Hepatic Insufficiency
Interventions
CP-945,598
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
2
States / cities
Miami, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 27, 2009 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Microbiome Fructan Metabolism and Symptoms in Childhood IBS

NCT02842281
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Fructan, Maltodextrin
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 17 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Phase 2 Interventional

Glutamine Supplementation in Cystic Fibrosis

NCT01051999
View directory record Official record
Conditions
Cystic Fibrosis, Immune Function
Interventions
Glutamine, L-alanine
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 14, 2015 · Synced Oct 21, 2026, 11:02 AM EDT
Not listed No phase listed Observational

QUantitative Assessment of Swallowing After Radiation (QUASAR)

NCT04359199
View directory record Official record
Conditions
Head and Neck Cancer, Dysphagia, Oropharyngeal Dysphagia, Oropharynx Cancer, Oropharynx Squamous Cell Carcinoma
Interventions
Radiation Therapy, Cetuximab, Chemotherapy, Immunotherapy
Radiation · Drug
Lead sponsor
Loren Mell, MD
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2023 · Synced Oct 21, 2026, 11:02 AM EDT
Not listed Not applicable Interventional

A Clinical Trial Evaluating Diets for IBS

NCT05831306
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Diet A, Diet B
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 28, 2023 · Synced Oct 21, 2026, 11:02 AM EDT
Completed No phase listed Observational Results available

Predictors of the Ability to Protect the Airway in Long-term Ventilated Patients

NCT01618240
View directory record Official record
Conditions
Swallowing Disorder, Aspiration, Long Term Ventilation
Interventions
Muscle Strength Measurement, Ventilator
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 13, 2014 · Synced Oct 21, 2026, 11:02 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 9, 2024 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Integrative Approaches to Managing Irritable Bowel Syndrome (IBS)

NCT02436603
View directory record Official record
Conditions
Irritable Bowel Syndrome, IBS
Interventions
Nutrition/Mind-Body Coaching
Behavioral
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 14, 2018 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effect of Hepatic Function on the Pharmacokinetics and Safety of ASP1941

NCT01187186
View directory record Official record
Conditions
Liver Disease
Interventions
ASP1941
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
18 Years to 69 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 7, 2010 · Synced Oct 21, 2026, 11:02 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 22, 2021 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Not applicable Interventional Results available

Edwards CLASP TR EFS

NCT03745313
View directory record Official record
Conditions
Tricuspid Regurgitation
Interventions
Edwards PASCAL Transcatheter Valve Repair System
Device
Lead sponsor
Edwards Lifesciences
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
15
States / cities
Los Angeles, California • Atlanta, Georgia • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 21, 2026, 11:02 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 28, 2007 · Synced Oct 21, 2026, 11:02 AM EDT
Recruiting No phase listed Observational

Drug Interaction Potential of Pro-Inflammatory Conditions

NCT07360938
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, End Stage Renal Disease, Irritable Bowel Syndrome
Interventions
None (Observational)
Other
Lead sponsor
Indiana University
Other
Eligibility
12 Years to 99 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 21, 2026, 11:02 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Abdominal Symptom Phenotype Study in Children

NCT01204515
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 12 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Oct 21, 2026, 11:02 AM EDT
Completed No phase listed Observational

Functional MRC With Eovist for Acute Cholecystitis

NCT02100358
View directory record Official record
Conditions
Acute Cholecystitis
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Well-being in IBS: Strengths and Happiness (WISH)

NCT05289089
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Positive Psychology Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 22, 2025 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Pharmacokinetics Study of Linzagolix in Female Subjects With Normal and Impaired Hepatic Function

NCT03962049
View directory record Official record
Conditions
Hepatic Impairment, Healthy Participants
Interventions
Linzagolix
Drug
Lead sponsor
ObsEva SA
Industry
Eligibility
18 Years to 75 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
Hialeah, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Oct 21, 2026, 11:02 AM EDT
Active, not recruiting Phase 4 Interventional

A Study Assessing Esophageal Function and Remodeling With Dupilumab Compared With Placebo for 24 Weeks Followed by 104 Weeks Open Label in Adult Participants With EoE (REMOdeling With Dupilumab in Eosinophilic Esophagitis Long-term Trial)

NCT06101095
View directory record Official record
Conditions
Eosinophilic Oesophagitis
Interventions
Dupilumab, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
15
States / cities
Murrieta, California • San Francisco, California • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Phase 2 Interventional Results available

Pilot Study Testing the Effect of Ivacaftor on Lung Function in Subjects With Cystic Fibrosis and Residual CFTR Function

NCT01685801
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor, Placebo-matched-to-ivacaftor tablet
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 19, 2015 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Effectiveness of Biofeedback-Assisted Relaxation Training in Children With Eosinophilic Duodenitis

NCT00124501
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 30, 2008 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Phase 4 Interventional Results available

A Longitudinal Study to Identify IBS Phenotypes Using Fecal Microbiota and Hydrogen Breath Testing

NCT03219528
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Rifaximin 550 MG, Low FODMAP Diet
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Phase 2 Interventional Results available

SH-DS01 on Fecal Metagenomic Stability

NCT04598295
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
DS-01
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 21, 2026, 11:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Safety and Tolerability Study of CP-690,550 in Subjects With Hepatic Impairment and Normal Hepatic Function

NCT00969813
View directory record Official record
Conditions
Hepatic Insufficiency
Interventions
CP-690,550
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 11, 2010 · Synced Oct 21, 2026, 11:02 AM EDT