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Showing 1–24 of 287 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational Accepts healthy volunteers

Endoscopic Tri-Modal Imaging in Patients With Barrett's Esophagus

NCT00586989
View directory record Official record
Conditions
Barretts Esophagus, High Grade Dysplasia, Early Esophageal Adenocarcinoma
Interventions
Upper endoscopy with biopsy
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 6, 2016 · Synced Sep 2, 2026, 10:56 AM EDT
Completed Not applicable Interventional

Lymphatic Mapping and Sentinel Lymph Node Biopsy in the Treatment of Colorectal Cancer

NCT00005640
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Preoperative Endoscopy, Technetium Tc 99m Sulfur Colloid, Gamma Probe, Biopsy of Sentinel Lymph Nodes
Procedure · Radiation
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 24, 2012 · Synced Sep 2, 2026, 10:56 AM EDT
Completed Not applicable Interventional

Safety and Efficacy of Endoscopic Ultrasound-Guided Portal Pressure Gradient Measurement

NCT06336850
View directory record Official record
Conditions
Liver Diseases
Interventions
Endoscopic Ultrasound-Guided Portal Pressure Gradient Measurement
Procedure
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Small Bowel Microbiota Characterization in Healthy Individuals Before and After Consumption of a Western Diet

NCT03266536
View directory record Official record
Conditions
Small Intestine Bacteria
Interventions
Western diet
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced Sep 2, 2026, 10:56 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

The Study of Folate Receptor-Mediated Staining Solution (FRD™) In Cervical Lesion Detection

NCT03366493
View directory record Official record
Conditions
Cervical Intraepithelial Neoplasia Grade 2/3
Interventions
FRD, Cytology, HPV testing, Colposcopy, ECC, Biospy
Combination Product · Other · Procedure
Lead sponsor
GY Highland Biotech LLC
Industry
Eligibility
20 Years to 60 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Sep 2, 2026, 10:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Transoral Endoscopic Liver Biopsy During Laparoscopic Gastric Bypass

NCT00512512
View directory record Official record
Conditions
Steatohepatitis, Morbid Obesity
Interventions
Transoral Endoscopic Liver Biopsy
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 30, 2010 · Synced Sep 2, 2026, 10:56 AM EDT
Completed Not applicable Interventional

Comparison and Outcomes of Endoscopic Ultrasound Liver Biopsies Versus Percutaneous Liver Biopsies

NCT04751045
View directory record Official record
Conditions
Chronic Liver Disease
Interventions
EUS liver biopsy
Procedure
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Not listed
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Sep 2, 2026, 10:56 AM EDT
Recruiting Phase 2 Interventional

Sonrotoclax, Rituximab, and Zanubrutinib in Treating Participants With Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, and Mantle Cell Lymphoma

NCT06839053
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Mantle Cell Lymphoma, Recurrent Chronic Lymphocytic Leukemia, Recurrent Mantle Cell Lymphoma, Recurrent Small Lymphocytic Lymphoma, Refractory Chronic Lymphocytic Leukemia, Refractory Mantle Cell Lymphoma, Refractory Small Lymphocytic Lymphoma, Small Lymphocytic Lymphoma
Interventions
Biospecimen Collection, Bone Marrow Biopsy, Computed Tomography, Gastrointestinal Endoscopy, Rituximab, Sonrotoclax, Zanubrutinib
Procedure · Biological · Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Active, not recruiting No phase listed Observational

AI for Onsite Cytology Evaluation in Endoscopic Ultrasound

NCT07228689
View directory record Official record
Conditions
Gastrointestinal Neoplasm, Mass Lesion
Interventions
EUS-guided fine needle biopsy
Diagnostic Test
Lead sponsor
Orlando Health, Inc.
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Completed No phase listed Observational

Prospective Analysis of Eosinophilic Esophagitis in Patients Presenting With Dysphagia

NCT00256529
View directory record Official record
Conditions
Esophagitis
Interventions
EGD with biopsies
Procedure
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 90 Years
Enrollment
483 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 14, 2014 · Synced Sep 2, 2026, 10:56 AM EDT
Active, not recruiting No phase listed Observational

Cell Marker Predictors in Barrett's Esophagus

NCT03316053
View directory record Official record
Conditions
Barrett's Esophagus Without Dysplasia
Interventions
Tissue sample for genetic testing
Other
Lead sponsor
The Guthrie Clinic
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Sayre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Completed No phase listed Observational Results available

Comparison of Virologic and Immunologic Responses to Raltegravir and Dolutegravir in the Gastrointestinal Tract of HIV-Positive Adults

NCT02218320
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Raltegravir, Dolutegravir, Colonoscopy with biopsy
Drug · Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 25, 2018 · Synced Sep 2, 2026, 10:56 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

Lenalidomide Combined With Modified DA-EPOCH and Rituximab (EPOCH-R2) in Primary Effusion Lymphoma or KSHV-associated Large Cell Lymphoma

NCT02911142
View directory record Official record
Conditions
Primary Effusion Lymphoma, B-Cell Neoplasm
Interventions
Lenalidomide, Rituximab, Prednisone, Etoposide, Doxorubicin, Vincristine, Cyclophosphamide, CT of neck, chest, abdomen and pelvis, 18FDG-PET scan, MRI Brain, Bone marrow biopsy, EKG, Echocardiogram, Ultrasound, Bronchoscopy, Endoscopy, CXR: PA/lat/decub
Drug · Diagnostic Test · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Active, not recruiting No phase listed Observational

Metagenomic Evaluation of the Gut Microbiome in Patients With Lynch Syndrome and Other Hereditary Colonic Polyposis Syndromes

NCT02371135
View directory record Official record
Conditions
Lynch Syndrome, Hereditary Colonic Polyposis Syndromes
Interventions
colonic biopsies, questionnaires
Genetic
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Efficacy of EsoGuard Assay on Esophageal Surface Cells Collected With EsoCheck vs EGD for the Diagnosis of BE or EAC

NCT04295811
View directory record Official record
Conditions
Barrett Esophagus, Esophageal Adenocarcinoma, Barretts Esophagus With Dysplasia, Barrett's Esophagus Without Dysplasia
Interventions
EsoGuard (lab assay), Esophagogastroduodenoscopy
Device · Diagnostic Test
Lead sponsor
Lucid Diagnostics, Inc.
Industry
Eligibility
50 Years and older · Male only
Enrollment
470 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
32
States / cities
Birmingham, Alabama • Orange, California • Aurora, Colorado + 27 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2023 · Synced Sep 2, 2026, 10:56 AM EDT
Not listed Not applicable Interventional

Intestinal Inflammation and Carbohydrate Digestion in Autistic Children

NCT00227487
View directory record Official record
Conditions
Autism, Inflammation
Interventions
Stool collection, Administration of carbohydrate solution during clinically indicated endoscopy, Questionnaires
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Months to 17 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2017
U.S. locations
2
States / cities
Boston, Massachusetts • Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Sep 2, 2026, 10:56 AM EDT
Terminated Not applicable Interventional Results available

Endoscopic Ultrasound (EUS) Guided Fine Needle Aspiration (FNA) EUS-FNA of Solid Pancreatic Mass Lesions Using a Novel Corkscrew Technique: a Pilot Study

NCT02116322
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
EUS-FNA with Corkscrew technique, Expect 19 G Flex needle
Procedure · Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 90 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 23, 2017 · Synced Sep 2, 2026, 10:56 AM EDT
Completed No phase listed Observational

Assessment of Duodenal Epithelial Integrity in Celiac Disease With Mucosal Impedance

NCT03152279
View directory record Official record
Conditions
Celiac Disease
Interventions
Mucosal Impedance Catheter, Blood sample
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Sep 2, 2026, 10:56 AM EDT
Completed Phase 1Phase 2 Interventional Results available

PRevention Using EPA Against coloREctal Cancer

NCT04216251
View directory record Official record
Conditions
Colorectal Adenoma, Colorectal Cancer, Endoscopic Surgery, Eicosapentaenoic Acid, Gastrointestinal Microbiome
Interventions
AMR101
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Sep 2, 2026, 10:56 AM EDT
Withdrawn No phase listed Observational

Incidence of HIV Infection in Screening Indian Men Who Have Sex With Men

NCT04142385
View directory record Official record
Conditions
HIV Infection
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Medical Examination, Physical Examination, Proctoscopy with Biopsy, Questionnaire Administration
Other · Procedure
Lead sponsor
AIDS Malignancy Consortium
Network
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Sep 2, 2026, 10:56 AM EDT
Terminated No phase listed Observational

Wnt, Notch and Hedgehog Activity in Chemo-Naive Tumors Collected During Staging of Esophageal Cancer Patients

NCT02221245
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Tumor Biopsy via Ultrasound Endoscopy
Procedure
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 2, 2026, 10:56 AM EDT
Completed Phase 1 Interventional Results available

Durvalumab and Vicineum in Subjects With High-Grade Non-Muscle-Invasive Bladder Cancer Previously Treated With Bacillus Calmette-Guerin (BCG)

NCT03258593
View directory record Official record
Conditions
Urinary Bladder Neoplasms
Interventions
Durvalumab, Vicineum, Acetaminophen, Antihistamine, Bladder Biopsy, TURBT, Cystoscopy, Urine cytology, Electrocardiogram, CT, MRI
Drug · Procedure · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Terminated Phase 4 Interventional Results available

The Frequency of Eosinophilic Esophagitis in Patients With Heartburn That is Refractory to Proton Pump Inhibitors

NCT01404832
View directory record Official record
Conditions
Gastroesophageal Reflux Disease, Eosinophilic Esophagitis
Interventions
Treat with lansoprazole 30 mg BID for 2 weeks, endoscopic examination with esophageal biopsy for patients with persistent symptoms
Drug
Lead sponsor
Dallas VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 26, 2013 · Synced Sep 2, 2026, 10:56 AM EDT
Completed Phase 1 Interventional

GCC Agonist Signal in the Small Intestine

NCT05107219
View directory record Official record
Conditions
Barrett Esophagus, Gastroesophageal Reflux Disease, Malignant Digestive System Neoplasm
Interventions
Biopsy, Biospecimen Collection, Esophagogastroduodenoscopy, Linaclotide, Plecanatide
Procedure · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
4
States / cities
Scottsdale, Arizona • Philadelphia, Pennsylvania • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 2, 2026, 10:56 AM EDT