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ClinicalTrials.gov public records Last synced Oct 23, 2026, 10:06 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1201–1224 of 1,738 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Endoscopy Clear all
Completed No phase listed Observational Accepts healthy volunteers

Large Scale Cerebral Oximetry During Sinus Endoscopy

NCT02692794
View directory record Official record
Conditions
Endoscopic Sinus Surgery, Chronic Rhinosinusitis
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 10, 2017 · Synced Oct 23, 2026, 10:06 PM EDT
Completed No phase listed Observational

Confocal Laser Microscopy in Non Erosive Reflux Disease

NCT00588939
View directory record Official record
Conditions
Acid Reflux Disease, Heartburn
Interventions
Cell~vizio (Laser connfocal microscopy)
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 21, 2013 · Synced Oct 23, 2026, 10:06 PM EDT
Terminated Not applicable Interventional Results available

A Study to Evaluate Safety and Effectiveness of G-POEM for Gastroparesis

NCT04869670
View directory record Official record
Conditions
Gastroparesis
Interventions
Gastric peroral endoscopic myotomy., Sham Gastric peroral endoscopic myotomy.
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Phase 1 Interventional

Transoral Robotic Surgery or Standard Surgery in Treating Patients With Benign or Malignant Tumors of the Larynx and Pharynx

NCT00918762
View directory record Official record
Conditions
Head and Neck Cancer, Perioperative/Postoperative Complications, Precancerous Condition
Interventions
assessment of therapy complications, diagnostic endoscopic surgery, quality-of-life assessment, therapeutic conventional surgery, therapeutic endoscopic surgery, transoral robotic surgery, video-assisted surgery
Procedure
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 23, 2026, 10:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Breast Duct: Pilot Study of Genomic Sequencing of Exfoliated Ductal Cells Obtained Through Endoscopy and Lavage

NCT02121873
View directory record Official record
Conditions
Breast Cancer, Preneoplastic Conditions, Ductal Carcinoma in Situ
Interventions
Nipple aspirator, Ductal lavage microcatheter, Blood draw
Device
Lead sponsor
Atossa Therapeutics, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jul 20, 2023 · Synced Oct 23, 2026, 10:06 PM EDT
Withdrawn Phase 2 Interventional

Same-day, Reduced Volume Bowel Preparation

NCT01044394
View directory record Official record
Conditions
Bowel Preparation
Interventions
polyethylene glycol (PEG-ELS) and bisacodyl tablets
Drug
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2012 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Phase 4 Interventional Results available

Pain Control Following Sinus Surgery

NCT03783702
View directory record Official record
Conditions
Sinusitis, Opioid Use, Opioid Abuse, Narcotic Use, Otolaryngologic Disease, Postoperative Pain, Pain
Interventions
OxyCODONE 5 Mg (milligram) Oral Tablet, Ibuprofen 600 Mg (milligram) Oral Tablet, Acetaminophen 650 MG (milligram) Oral Tablet
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
5
States / cities
Stanford, California • Evanston, Illinois • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2021 · Synced Oct 23, 2026, 10:06 PM EDT
Not yet recruiting Not applicable Interventional

Endoscopic Sleeve Gastroplasty Technique Comparison for Weight Loss

NCT06299644
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Metabolic Disease, Weight, Body
Interventions
Endoscopic Sleeve Gastroplasty - Belt and Suspenders, Endoscopic Sleeve Gastroplasty - Belt
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 23, 2026, 10:06 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Percutaneous Endoscopic Gastrostomy Versus Percutaneous Endoscopic Gastrostomy With Jejunal Extension

NCT06717321
View directory record Official record
Conditions
Aspiration Pneumonias, Tube Feeding, Enteral Feeds
Interventions
(Arm 1): PEG, (Arm 2): PEG-J
Procedure
Lead sponsor
Jerry Dang
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Not applicable Interventional

Endoscopic Retrograde Cholangiopancreatography (ERCP) Based Sampling of Indeterminate Bile Duct Strictures

NCT01580709
View directory record Official record
Conditions
Indeterminate Bile Duct Stricture
Interventions
Multiple brushings, Multimodality tissue sampling
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Indianapolis, Indiana • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2016 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Not applicable Interventional Results available

Evaluation of PillCam™ Colon 2 in Visualization of the Colon

NCT01087528
View directory record Official record
Conditions
Colonic Diseases, Bowel Diseases
Interventions
PillCam™ (Capsule Endoscopy) Colon 2 capsule
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
4
States / cities
Indianapolis, Indiana • Chapel Hill, North Carolina • Beavercreek, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Phase 4 Interventional

Comparison FloShield Air System Versus Clearify Visualization System (D-HELP)

NCT02419911
View directory record Official record
Conditions
Laparoscopic Surgery
Interventions
Laparoscopic surgery, FloShield Defogging and Cleaning System, Clearify Defogging and Cleaning System
Procedure · Device
Lead sponsor
Minimally Invasive Devices, Inc.
Industry
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
3
States / cities
South Miami, Florida • Las Vegas, Nevada • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Not applicable Interventional Results available

Clinical Evaluation of the Steroid-Eluting Sinexus Intranasal Splint When Used Following Functional Endoscopic Sinus Surgery (FESS) in Patients With Chronic Sinusitis

NCT00912405
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
Steroid-Eluting Sinexus Intranasal Splint
Device
Lead sponsor
Intersect ENT
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2015 · Synced Oct 23, 2026, 10:06 PM 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 19, 2024 · Synced Oct 23, 2026, 10:06 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pyloric Sphincter Abnormalities in Patients With Gastroparesis Symptoms

NCT04661215
View directory record Official record
Conditions
Gastroparesis, Idiopathic Gastric Motility Disorder, Diabetic Gastroparesis
Interventions
Not listed
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
5
States / cities
Scottsdale, Arizona • Louisville, Kentucky • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 23, 2026, 10:06 PM EDT
Withdrawn Not applicable Interventional

Improvement of Outcomes in Draf III/Endoscopic Modified Lothrop Procedure

NCT02981017
View directory record Official record
Conditions
Chronic Sinusitis, Frontal Sinusitis
Interventions
Porcine Intestinal submucosal xenograft
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2020 · Synced Oct 23, 2026, 10:06 PM EDT
Withdrawn Not applicable Interventional

Balloon Dilation Methods for Benign Esophageal Stricture

NCT04730076
View directory record Official record
Conditions
Esophageal Stricture
Interventions
Standard Balloon Dilation, Progressive Balloon Dilation
Procedure
Lead sponsor
Samuel H Mardini
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 23, 2022 · Synced Oct 23, 2026, 10:06 PM 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 29, 2026 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Phase 3 Interventional Results available

HeartLight Ablation in Patients With Paroxysmal Atrial Fibrillation (PAF)

NCT01456000
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
EAS-AC (HeartLight), Control Arm Ablation
Device · Procedure
Lead sponsor
CardioFocus
Industry
Eligibility
18 Years to 75 Years
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
21
States / cities
Birminham, Alabama • Palo Alto, California • Sacramento, California + 18 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Utility of Syringe Based Suction Versus Channel Suction in Bronchoalveolar Lavage

NCT01853904
View directory record Official record
Conditions
Bronchoscopy
Interventions
Bronchoscopy/ BAL with Channel Suction, Bronchoscopy/BAL with Syringe Suction
Procedure
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 7, 2014 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prospective Study to Compare the Efficacy of E.G.Scan to Detect Barrett's Esophagus Compared With Standard Endoscopy

NCT02066233
View directory record Official record
Conditions
Barrett's Esophagus
Interventions
EG Scan II (transnasal endoscopy), Standard Endoscopy
Device · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Oct 23, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Evaluation of the BD Onclarity™ HPV Assay on the BD Viper™ LT System With Cervical Specimens

NCT01944722
View directory record Official record
Conditions
Uterine Cervical Neoplasms
Interventions
BD Onclarity™ HPV assay on BD Viper™ LT, Colposcopy
Device · Procedure
Lead sponsor
Becton, Dickinson and Company
Industry
Eligibility
21 Years and older · Female only
Enrollment
33,858 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
41
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Oct 23, 2026, 10:06 PM EDT
Completed No phase listed Observational

Preliminary Longitudinal Validation of Biomarkers Predictive of Barrett's Esophagus

NCT00844077
View directory record Official record
Conditions
Barrett's Esophagus
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 80 Years
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
5
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2011 · Synced Oct 23, 2026, 10:06 PM EDT
Not listed No phase listed Observational

Minimally Invasive Surgery: Using Natural Orifice Translumenal Endoscopic Surgery (NOTES)

NCT00531219
View directory record Official record
Conditions
Appendicitis, Cholelithiasis
Interventions
Transgastric Appendectomy, Transgastric Cholecystectomy
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Oct 23, 2026, 10:06 PM EDT