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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Upper GI Endoscopy Clear all
Completed Not applicable Interventional

Cryotherapy for Malignant Dysphagia in Patients With Advanced Esophageal Cancer

NCT02606396
View directory record Official record
Conditions
Esophageal Adenocarcinoma
Interventions
Cryotherapy, Esophagogastroduodenoscopy (EGD), Endoscopic ultrasound (EUS)
Procedure
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Not applicable Interventional Results available

Study of Early Endocapsule (EC) in Clinical Decision Unit Versus Standard of Care Work-up for GI Bleeding

NCT03955055
View directory record Official record
Conditions
Gastro Intestinal Bleeding, Hematemesis, Melena
Interventions
Video Capsule Endoscopy
Device
Lead sponsor
Christopher Marshall
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2023 · Synced Sep 20, 2026, 4:38 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Demographics and Findings of Upper Endoscopy Patients

NCT00576992
View directory record Official record
Conditions
Barrett Esophagus, Gastroesophageal Reflux
Interventions
Not listed
Lead sponsor
Midwest Biomedical Research
Other
Eligibility
18 Years and older
Enrollment
1,177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2017
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 20, 2026, 4:38 AM EDT
Enrolling by invitation No phase listed Observational

Comparing Immune Activation and Latent HIV Reservoir Size Between People Living With HIV on Tenofovir-containing Versus NRTI-free ART

NCT05584397
View directory record Official record
Conditions
HIV-1-infection, HIV Disease Progression, Inflammation, HIV
Interventions
Venipuncture, Targeted physical medical exam, Urine pregnancy test, Anoscopy, Esophagogastroduodenoscopy (EGD)
Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 20, 2026, 4:38 AM EDT
Active, not recruiting Phase 3 Interventional

Endoscopic Evidence of Maintenance of Healing With Oral NEXIUM in Patients 1 to 11 Years Old With Erosive Esophagitis.

NCT05267613
View directory record Official record
Conditions
Erosive Esophagitis
Interventions
Nexium 20mg, Nexium 10mg
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
1 Year to 11 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
11
States / cities
Mobile, Alabama • Sacramento, California • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 20, 2026, 4:38 AM EDT
Recruiting No phase listed Observational

Efficacy and Safety of Endoscopic Antral Myotomy as a Novel Weight Loss Procedure

NCT05711758
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Obesity, Primary, Metabolic Disease, Delayed Gastric Emptying Following Procedure
Interventions
PSAM Treatment Patients
Procedure
Lead sponsor
Christopher C. Thompson, MD, MSc
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Not applicable Interventional

Per-Oral Endoscopic Esophagomyotomy (POEM)

NCT01635374
View directory record Official record
Conditions
Achalasia
Interventions
Per-Oral Endoscopic Esophagomyotomy
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 5, 2015 · Synced Sep 20, 2026, 4:38 AM EDT
Terminated Not applicable Interventional Results available

Cap Assisted Upper Endoscopy Versus High Definition White Light Endoscopy and Narrow Band Imaging Alone In The Detection Of Visible Lesions Barrett's Esophagus: A Randomized Tandem Study

NCT03417570
View directory record Official record
Conditions
Barrett Esophagus
Interventions
Esophagogastroduodenoscopy with high definition-white light end endoscopy (HD-WLE) and narrow band imaging (NBI), Olympus Disposable Distal Attachment Cap
Procedure · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Sep 20, 2026, 4:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Can We Predict Who Has Gastroesophageal Reflux Disease (GERD)?

NCT01204931
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
254 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 19, 2016 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Not applicable Interventional Results available

Patient Acceptance and Preference Among Screening Modalities for Detection of Barrett's Esophagus

NCT04301986
View directory record Official record
Conditions
Barrett Esophagus, GERD
Interventions
Cytosponge, Transnasal Endoscopy (TNE), Esophagogastroduodenoscopy
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2023 · Synced Sep 20, 2026, 4:38 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Virtual Reality to Reduce Pre-Operative Anxiety

NCT04268914
View directory record Official record
Conditions
Virtual Reality, Augmented Reality, IV Stick, Mask Induction, Ambulatory Surgery, Pain, Anxiety
Interventions
Oculus Go VR, Mira Prism VR
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
10 Years to 21 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Not applicable Interventional

Endoscopic Pyloromyotomy for Refractory Gastroparesis

NCT03356067
View directory record Official record
Conditions
Gastroparesis
Interventions
Gastric endoscopic peroral pyloromyotomy, Esophago-gastro-duodenoscopy
Procedure
Lead sponsor
Institute for Clinical and Experimental Medicine
Government
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Phase 4 Interventional

Esophageal and Laryngeal Tissue Changes in Patients Suspected of Having Laryngopharyngeal Reflux

NCT00373997
View directory record Official record
Conditions
Larynx Disease, Gastroesophageal Reflux
Interventions
Esophageal and Laryngeal biopsies, egd with biopsy
Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 30, 2014 · Synced Sep 20, 2026, 4:38 AM EDT
Recruiting Phase 1Phase 2 Interventional

Modified Immune Cells (Autologous Dendritic Cells) and a Vaccine (Prevnar) Combined With Immune Checkpoint Inhibition After High-Dose External Beam Radiation Therapy in Treating Patients With Unresectable Liver Cancer

NCT03942328
View directory record Official record
Conditions
Stage III Hepatocellular Carcinoma AJCC v8, Stage III Intrahepatic Cholangiocarcinoma AJCC v8, Stage IV Hepatocellular Carcinoma AJCC v8, Stage IV Intrahepatic Cholangiocarcinoma AJCC v8, Unresectable Hepatocellular Carcinoma, Unresectable Intrahepatic Cholangiocarcinoma
Interventions
Atezolizumab, Bevacizumab, External Beam Radiation Therapy, Pheresis, Pneumococcal 13-valent Conjugate Vaccine, Therapeutic Autologous Dendritic Cells, Durvalumab, Esophagogastroduodenoscopy, Computed Tomography, Positron Emission Tomography, Magnetic Resonance Imaging, Biopsy Procedure, Biospecimen Collection
Biological · Radiation · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2031
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Non-endoscopic Brushing of the Esophagus Using a Non-endoscopic Inflatable Balloon of the Esophagus in Screening for Barrett Esophagus

NCT02451124
View directory record Official record
Conditions
Barrett Esophagus
Interventions
non-endoscopic inflatable balloon for the esophagus, Questionnaire Administration, Laboratory Biomarker Analysis, esophagogastroduodenoscopy
Device · Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 5, 2019 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparative Effectiveness of Endoscopic Assessment of Gastroesophageal Reflux and Barretts Esophagus

NCT01288612
View directory record Official record
Conditions
Barrett's Esophagus
Interventions
Sedated Endoscopy, Transnasal Endoscopy
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 95 Years
Enrollment
459 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 6, 2015 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Phase 2Phase 3 Interventional Results available

A Safety Study of AQUAVAN® (Fospropofol Disodium) Injection for Sedation During Minor Surgical Procedures.

NCT00327392
View directory record Official record
Conditions
Procedural Sedation
Interventions
AQUAVAN® (fospropofol disodium) Injection
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
15
States / cities
Phoenix, Arizona • Jacksonville, Florida • Louisville, Kentucky + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Sep 20, 2026, 4:38 AM EDT
Withdrawn Not applicable Interventional

Functional Luminal Imaging Probe (FLIP) Topography Use in Patients With Scleroderma and Trouble Swallowing

NCT03270722
View directory record Official record
Conditions
Scleroderma, Dysphagia, GERD - Gastro-Esophageal Reflux Disease
Interventions
FLIP topography, Upper Endoscopy
Device · Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 20, 2026, 4:38 AM EDT
Terminated No phase listed Observational

Incidence of Adverse Airway Events in High Risk Patients Undergoing Upper GI Endoscopy Under Anesthesia

NCT02011607
View directory record Official record
Conditions
SEDLine, Accoustic Respiratory Monitor RAD87, Adverse Events, Advanced Endoscopic Procedures
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 6, 2024 · Synced Sep 20, 2026, 4:38 AM EDT
Active, not recruiting No phase listed Observational

Outcomes After Medical and Surgical Treatment of Gastroesophageal Reflux Disease

NCT00260572
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
Questionnaires to evaluate QOL, Questionnaires to evaluate heartburn and quality of life, Questionnaire to evaluate satisfaction with treatment, Questionnaire to evaluate presence or absence of pain
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2050
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 20, 2026, 4:38 AM EDT
Completed No phase listed Observational

Mechanisms of Weight Loss in Patients Diagnosed With Achalasia

NCT03063463
View directory record Official record
Conditions
Achalasia
Interventions
pneumatic dilation, surgical myotomy
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Not applicable Interventional Results available

Endotracheal Tube Versus Laryngeal Mask Airway for Esophagogastroduodenoscopy

NCT01936662
View directory record Official record
Conditions
Airway Morbidity
Interventions
LMA, ETT
Device
Lead sponsor
Indiana University
Other
Eligibility
3 Years to 17 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 1, 2016 · Synced Sep 20, 2026, 4:38 AM EDT
Completed Not applicable Interventional

Utility Of Mutational Load As A Predictor For Endoscopic Treatment Response In Barrett's Esophagus

NCT04316975
View directory record Official record
Conditions
Barretts Esophagus With Dysplasia, Intramucosal Adenocarcinoma
Interventions
Study Driven Procurement of Biopsies
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 7, 2024 · Synced Sep 20, 2026, 4:38 AM EDT
Completed No phase listed Observational

GLP-1 Receptor Agonist Use and Incidence of Retained Gastric Food on Endoscopy

NCT05875636
View directory record Official record
Conditions
Gastric Content Aspiration
Interventions
Esophagogastroduodenoscopy
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 20, 2026, 4:38 AM EDT