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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Gastroenterology Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

13C-Spirulina Nitrogen Content GEBT Study

NCT04635306
View directory record Official record
Conditions
Gastroparesis
Interventions
Approved GEBT test meal
Diagnostic Test
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
18 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Brentwood, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 2, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Outcome of Colonoscopy Screening and Surveillance

NCT01827241
View directory record Official record
Conditions
Gastroenterology
Interventions
Chart Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Not applicable Interventional

Digital Therapeutic for Adolescent Depressive Symptoms in Cardiology and Gastroenterology

NCT05461599
View directory record Official record
Conditions
Depressive Symptoms, Major Depressive Disorder, Depression, Cardiology, Gastrointestinal Diseases, Depressive Disorder, Depressive Episode, Adolescent Behavior, Adolescent - Emotional Problem
Interventions
SparkRx Mobile App
Device
Lead sponsor
Limbix Health, Inc.
Industry
Eligibility
13 Years to 22 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 18, 2023 · Synced Jul 21, 2026, 4:00 PM 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 Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional

Predicting Response to Vedolizumab in Pediatric Inflammatory Bowel Diseases

NCT02862132
View directory record Official record
Conditions
Crohn's Disease, Ulcerative Colitis, Inflammatory Bowel Disease
Interventions
Vedolizumab
Drug
Lead sponsor
Shaare Zedek Medical Center
Other
Eligibility
Up to 18 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
4
States / cities
Hartford, Connecticut • Morristown, New Jersey • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

GEBT Telehealth Administration Usability Study

NCT04684992
View directory record Official record
Conditions
Gastroparesis
Interventions
GEBT Telehealth Administration Usability
Device
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Brentwood, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Correlation of Toxins With Gastrointestinal (GI) and Overall Health

NCT06278311
View directory record Official record
Conditions
Gastrointestinal Diseases
Interventions
Not listed
Lead sponsor
Vibrant America Clinical Lab
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Los Angeles, California • Santa Clara, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Not yet recruiting Not applicable Interventional

Applying the Intention-Action Framework to Specialty Referrals

NCT07671976
View directory record Official record
Conditions
Cardiology, Gastroenterology, Pulmonology
Interventions
Information provision, Auditing, Checklist
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Enrolling by invitation Not applicable Interventional

A Rapid Clinical Care Pathway to Care for Patients Affected by Chronic Constipation

NCT07032376
View directory record Official record
Conditions
Constipation
Interventions
Survey, Rectal Expulsion Device use
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breath and Blood Ammonia Response to an Oral Protein Challenge

NCT02650245
View directory record Official record
Conditions
Cirrhosis
Interventions
EAS Myoplex Protein Drink + 10gm lactulose
Dietary Supplement
Lead sponsor
St. Luke's Hospital and Health Network, Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 12, 2016 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Early Phase 1 Interventional

Use of the Napoleon to Improve Polyp Measurement in Gastroenterology Fellows

NCT04858477
View directory record Official record
Conditions
Colonic Polyp
Interventions
Visual estimation of polyp size, Napoleon measurement of polyp size
Other · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
45 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional

Guideline to Implementation: A Rapid Clinical Care Pathway to Care for Patients Affected by Chronic Constipation

NCT06352827
View directory record Official record
Conditions
Constipation
Interventions
Survey
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

GEBT Lot-to-Lot and Biological Variability

NCT04772261
View directory record Official record
Conditions
Gastroparesis
Interventions
13C-Spirulina GEBT
Diagnostic Test
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
18 Years to 85 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Brentwood, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 17, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Not listed No phase listed Observational

Interventional Endoscopy Database for Pancreatico-biliary, Gastrointestinal and Esophageal Disorders

NCT01438385
View directory record Official record
Conditions
Ampullary Cancer, Duodenal Cancer, Bile Duct Cancer, Bile Duct Disorders, Gallstones, Obstructive Jaundice, Pancreatic Disorders (Noncancerous), Colorectal Cancer, Esophageal Cancer, Barrett's Esophagus, Gastric Malignancies, Pancreatic Cancer, Pediatric Gastroenterology, Cholangiocarcinoma, Pancreatic Pseudocysts, Acute and Chronic Pancreatitis, Recurrent Pancreatitis, Cholangitis, Bile Leak, Biliary Strictures, Pancreatic Divisum, Biliary and Pancreatic Stones, Choledocholithiasis
Interventions
Interventional Endoscopy
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
12,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 19, 2017 · Synced Jul 21, 2026, 4:00 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

AI_Colonoscopy_for_Fellows

NCT07661914
View directory record Official record
Conditions
AI-assisted Colonoscopy
Interventions
AI assisted colonoscopy, Conventional Colonoscopy
Device · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
Not listed
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional

Efficacy of a Novel Prototype Gastrostomy Tube Anchor Dressing

NCT07115134
View directory record Official record
Conditions
Gastroenterology Surgery, Tube Feeding
Interventions
Bearables Gastrostomy Tube Dressing
Device
Lead sponsor
Children's National Research Institute
Other
Eligibility
7 Years to 21 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ABCA2 GIRMS Analytical Validation Clinical Performance Study

NCT04607304
View directory record Official record
Conditions
Gastroparesis
Interventions
ABCA2 GIRMS
Device
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
18 Years to 85 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Brentwood, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Withdrawn Phase 3 Interventional

Calprotectin-Directed Humira® Maintenance Therapy (CADHUM)

NCT01674413
View directory record Official record
Conditions
Crohn's Disease
Interventions
Adalimumab, Adalimumab PRN, Placebo
Drug
Lead sponsor
Peter Higgins
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 23, 2017 · Synced Jul 21, 2026, 4:00 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

VR to Reduce Pain/Anxiety During Painful Procedures

NCT04268901
View directory record Official record
Conditions
Phlebotomy, Orthopedics, Radiology, Pain, Anxiety, Virtual Reality, Allergy, Gastroenterology
Interventions
Samsung Gear VR, Merge VR, Oculus Go
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
7 Years to 21 Years
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Phase 4 Interventional

Effect of Dupilumab on the Muscle Function of the Esophagus (food Pipe) in Participants with Eosinophilic Esophagitis (EoE)

NCT06665971
View directory record Official record
Conditions
Eosinophilic Esophagitis (EoE)
Interventions
Dupilumab 300 MG/2 ML Subcutaneous Solution [DUPIXENT]
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
22 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Diagnostic Yield of EUS-Guided Tissue Sampling

NCT02979509
View directory record Official record
Conditions
Gastroenterology, Lesions
Interventions
Endoscopic ultrasound- (EUS) guided tissue sampling
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 5, 2020 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 3 Interventional

A Clinical Trial of Natalizumab in Individuals With Moderately to Severely Active Crohn's Disease

NCT00078611
View directory record Official record
Conditions
Crohn's Disease
Interventions
natalizumab
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years and older
Enrollment
462 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
63
States / cities
Oro Valley, Arizona • Tucson, Arizona • Anaheim, California + 54 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2016 · Synced Jul 21, 2026, 4:00 PM EDT
Enrolling by invitation No phase listed Observational

The Clinical Impact and Outcomes of Interventional Endoscopy Procedures

NCT01492231
View directory record Official record
Conditions
Gastrointestinal Diseases
Interventions
Not listed
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
3,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2026
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Feb 25, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Not yet recruiting No phase listed Observational

Longitudinal Immunophenotyping of Patients With Inflammatory Bowel Disease

NCT07619547
View directory record Official record
Conditions
Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2036
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 21, 2026, 4:00 PM EDT