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ClinicalTrials.gov public records Last synced Oct 23, 2026, 12:30 AM EDT

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Showing 49–72 of 583 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: GI Clear all
Completed No phase listed Observational Results available

Giving Information Systematically and Transparently in Lung and GI Cancer Phase 1

NCT04158908
View directory record Official record
Conditions
Critical Illness, Oncology, Communication
Interventions
Oncolo-GIST
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2023 · Synced Oct 23, 2026, 12:30 AM EDT
Completed Phase 4 Interventional

Improving Hepatitis C Treatment in Injection Drug Users

NCT00148031
View directory record Official record
Conditions
Hepatitis C, Liver Diseases, Drug Abuse, Alcoholism
Interventions
Pegylated Interferon and Ribavirin, Psychosocial, On-site (MMT Clinic) HCV evaluation and treatment, Off-site HCV evaluation and treatment
Drug · Behavioral
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 65 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
2
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2013 · Synced Oct 23, 2026, 12:30 AM EDT
Completed No phase listed Observational

Intestinal Microbiome, Oral Microbiome, and Whole Blood Transcriptome Analyses in Gastrointestinal Malignancies

NCT05462314
View directory record Official record
Conditions
Gastrointestinal Cancer, Pancreatic Cancer, Esophageal Cancer, Gastric Cancer, Rectal Cancer, Liver Cancer, Biliary Cancer
Interventions
Not listed
Lead sponsor
Viome
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 23, 2026, 12:30 AM EDT
Completed Not applicable Interventional

Development and Validation of the Automated Evaluation of Gastrointestinal Symptoms (AEGIS) Platform

NCT02436057
View directory record Official record
Conditions
Abdominal Pain, Deglutition Disorders, Fecal Incontinence, Nausea, Diarrhea, Constipation, Gastroesophageal Reflux
Interventions
AEGIS (Automated Evaluation of Gastrointestinal Symptoms)
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
3
States / cities
Los Angeles, California • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 15, 2016 · Synced Oct 23, 2026, 12:30 AM EDT
Suspended No phase listed Observational

Medical Mindfulness: Virtual Reality Mindfulness Therapy for Anxiety and Pain Management in Patients With Acute and Chronic Pain

NCT04534101
View directory record Official record
Conditions
Acute Pain, Chronic Pain
Interventions
Virtual Reality Mindfulness
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
5 Years to 80 Years
Enrollment
500 participants
Timeline
2018 – 2023
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2022 · Synced Oct 23, 2026, 12:30 AM EDT
Completed No phase listed Observational

Use of an Ambulatory Capsule to Characterize Gastrointestinal Pressure Patterns in Children

NCT01026922
View directory record Official record
Conditions
Upper Gastrointestinal Motility Disorders
Interventions
Not listed
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
10 Years to 18 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 19, 2018 · Synced Oct 23, 2026, 12:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Natural History of Gastroesophageal Reflux (GER) in Children < 12 Years of Age

NCT01048840
View directory record Official record
Conditions
Gastroesophageal Reflux
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2020 · Synced Oct 23, 2026, 12:30 AM EDT
Completed Phase 1 Interventional Results available

Effect of Bismuth Subsalicylate on the Gut Microbiome and Host Response in Healthy Adults

NCT05930197
View directory record Official record
Conditions
Healthy Adults
Interventions
Bismuth subsalicylate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 23, 2026, 12:30 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

BSGM to Evaluate Patients With GI Symptoms

NCT05880199
View directory record Official record
Conditions
Gastrointestinal Motility Disorders in Children, Functional Gastrointestinal Disorders, Gastroparesis, Dyspepsia and Other Specified Disorders of Function of Stomach
Interventions
Body surface gastric mapping device
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 25 Years
Enrollment
685 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
5
States / cities
San Diego, California • Kansas City, Missouri • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 23, 2026, 12:30 AM EDT
Recruiting Phase 1Phase 2 Interventional

Somatostatin-Receptors (SSTR)-Agonist [212Pb]VMT-alpha-NET in Metastatic or Inoperable SSTR+ Gastrointestinal Neuroendocrine Tumor and Pheochromocytoma/Paraganglioma Previously Treated With Systemic Targeted Radioligand Therapy

NCT06427798
View directory record Official record
Conditions
Somatostatin Receptor Positive, Gastrointestinal Neuroendocrine Tumors, Pheochromocytoma, Paragangliomas
Interventions
68Ga-DOTATATE, [203Pb]VMT-alpha-NET, [212Pb]VMT-alpha-NET
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2039
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 23, 2026, 12:30 AM EDT
Completed Phase 1 Interventional Results available

A Study to Find a Safe and Effective Dose of BI 905711 in Patients With Advanced Gastrointestinal Cancer

NCT04137289
View directory record Official record
Conditions
Gastrointestinal Neoplasms, Cholangiocarcinoma, Pancreatic Neoplasms
Interventions
BI 905711
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
4
States / cities
New Haven, Connecticut • New York, New York • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Oct 23, 2026, 12:30 AM EDT
Terminated Phase 1 Interventional

Phase I Study MK-3475 With Chemotherapy in Patients With Advanced GI Cancers

NCT02268825
View directory record Official record
Conditions
Advanced GI Cancer
Interventions
MK-3475
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Oct 23, 2026, 12:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Atrial Fibrillation Ablation on Gastric Motility "The AF Gut Study"

NCT01396356
View directory record Official record
Conditions
Atrial Fibrillation Ablation Procedure
Interventions
GI procedures
Procedure
Lead sponsor
Dhanunjaya Lakkireddy, MD, FACC
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 10, 2013 · Synced Oct 23, 2026, 12:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Natural History of Gastroesophageal Reflux (GER) in Children and Adolescents

NCT00181805
View directory record Official record
Conditions
Gastroesophageal Reflux
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2020 · Synced Oct 23, 2026, 12:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fermented Vegetables and Gut Microbiome Pilot Study

NCT06883994
View directory record Official record
Conditions
Fermented Vegetable Intake, Fermented Vegetable Acceptability, Gut Health, Gut Microbiome, Gastrointestinal Immune Function, Microbiome
Interventions
Fermented vegetable intervention
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 23, 2026, 12:30 AM EDT
Completed Phase 2 Interventional Results available

Sulforaphane to Reduce Symptoms of Schizophrenia

NCT02810964
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Sulforaphane Nutraceutical, Identical-appearing Placebo
Drug
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Oct 23, 2026, 12:30 AM EDT
Not listed No phase listed Observational

Pediatric Acute Gastrointestinal Bleeding Registry

NCT03090945
View directory record Official record
Conditions
Upper Gastrointestinal Bleeding, Gastro Intestinal Bleeding
Interventions
This is an obsevational cohort study
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 21 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
3
States / cities
Chicago, Illinois • Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Oct 23, 2026, 12:30 AM EDT
Completed No phase listed Observational

Registry for Upper Gastrointestinal Bleeding

NCT04211194
View directory record Official record
Conditions
Peptic Ulcer Hemorrhage, Peptic Ulcer, Acute With Hemorrhage
Interventions
Upper GI Endoscopy
Procedure
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
2,999 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Oct 23, 2026, 12:30 AM EDT
Recruiting Not applicable Interventional

Systemic Sclerosis DIet for GastrointESTinal Symptoms

NCT07402226
View directory record Official record
Conditions
Systemic Sclerosis (SSc)
Interventions
Diet 1: Restriction of fermentable carbohydrates, Diet 2: Elimination of foods harmful to gut barrier and microbiome, Diet 3: Regular meal patterns, soluble fiber, and portion control
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 23, 2026, 12:30 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Mechanisms of Hypoglycemia in Patients Without Diabetes

NCT04428723
View directory record Official record
Conditions
Hypoglycemia
Interventions
Entry of demographic and medical history data into a deidentified database, Blood sample for DNA analysis, Stool sample for microbiome analysis, Mixed meal tolerance test, Continuous glucose monitoring, activity monitor
Other · Genetic · Diagnostic Test
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 70 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 23, 2026, 12:30 AM EDT
Completed Phase 2 Interventional

Combination Chemotherapy Plus Interferon Alfa Followed by Filgrastim in Treating Patients With Gastrointestinal Tract Cancer

NCT00019474
View directory record Official record
Conditions
Extrahepatic Bile Duct Cancer, Gastric Cancer, Gastrointestinal Carcinoid Tumor, Liver Cancer, Pancreatic Cancer, Small Intestine Cancer
Interventions
filgrastim, recombinant interferon alfa, fluorouracil, hydroxyurea
Biological · Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 120 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2000
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 14, 2018 · Synced Oct 23, 2026, 12:30 AM EDT
Completed Not applicable Interventional

EHR-based Patient Identification and Panel Management of Patients With Iron Deficiency Anemia

NCT05365308
View directory record Official record
Conditions
Iron-deficiency Anemia
Interventions
Clinical supports
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
21 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 23, 2026, 12:30 AM EDT
Recruiting Early Phase 1 Interventional

Oral 5 Strain Probiotic for GI Toxicity Mitigation During Pelvic Radiation

NCT07231588
View directory record Official record
Conditions
Radiation Injuries
Interventions
Pendulum Glucose Control (PGC)
Biological
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 23, 2026, 12:30 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Botanical Blend on the Gut Microbiome and Gut-Skin-Axis in Small Intestinal Bacterial Overgrowth (SIBO)

NCT04867512
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth (SIBO)
Interventions
Liquid Tincture, GI Detox, Olivirex
Dietary Supplement
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
18 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Oct 23, 2026, 12:30 AM EDT