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Showing 1–24 of 227 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Endoscopic Resection Clear all
Completed Not applicable Interventional

Laparoscopy-Assisted Transanal Endoscopy Rectosigmoid Resection for Rectal Cancer

NCT01340755
View directory record Official record
Conditions
Adenocarcinoma of the Rectum
Interventions
Transanal endoscopic surgery
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Sep 5, 2026, 5:05 PM EDT
Active, not recruiting Not applicable Interventional

PARADIGM - En Bloc Trial With the EndoQuest Endoluminal Surgical (ELS) System

NCT06133387
View directory record Official record
Conditions
Colorectal Lesion, Colorectal Adenoma, Colorectal Polyp, Rectal Lesion, Rectal Adenoma, Rectal Polyp, Sigmoid; Lesion, Sigmoid Colon Polyp
Interventions
Endoscopic submucosal dissection using the ELS System
Device
Lead sponsor
EndoQuest Robotics, Inc.
Industry
Eligibility
22 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
6
States / cities
Scottsdale, Arizona • Orlando, Florida • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 5, 2026, 5:05 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Laser Enucleation of Prostate (LEP) Versus Transurethral Resection of Prostate (TURP)

NCT03062111
View directory record Official record
Conditions
Benign Prostatic Hyperplasia
Interventions
ProTouch Laser Enucleation of Prostate (LEP), Transurethral Resection of Prostate (TURP)
Procedure
Lead sponsor
Boston University
Other
Eligibility
50 Years and older · Male only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Sep 5, 2026, 5:05 PM EDT
Completed No phase listed Observational

Predicting Local and Distant Recurrence in T1 Colorectal Cancer

NCT06314971
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Neoplasms, Colorectal Adenocarcinoma, Colorectal Cancer Stage I, Colorectal Neoplasms Malignant, Colorectal Cancer Recurrent
Interventions
Tw1CE
Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Sep 5, 2026, 5:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparing Clinical Performance of Novice Trainee Endoscopists Using Conventional Air Insufflation Versus Warm Water Infusion Colonoscopy

NCT01482546
View directory record Official record
Conditions
Colonoscopy Education
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2017 · Synced Sep 5, 2026, 5:05 PM EDT
Recruiting Phase 2 Interventional

Photodynamic Diagnosis of Upper Tract Urothelial Carcinoma Using Fluorescence Endoscopy and Oral 5-ALA

NCT06948552
View directory record Official record
Conditions
Upper Tract Urothelial Carcinoma
Interventions
5-Aminolevulinic acid Hydrochloride (Gliolan®)
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 5, 2026, 5:05 PM EDT
Active, not recruiting No phase listed Observational

Percutaneous Cholangiopancreatoscopy Registry

NCT05210322
View directory record Official record
Conditions
Biliary Stones, Cholangiocarcinoma, Intrahepatic, Biliary Stricture, Cholelithiasis, Choledocholithiasis
Interventions
Percutaneous cholangiopancreatoscopy
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
679 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 5, 2026, 5:05 PM EDT
Completed Phase 1 Interventional

Evaluation of Endoscopic Surgical Field Clarity Using Hot Saline Versus Lactated Ringer's Irrigation

NCT05161780
View directory record Official record
Conditions
Irrigation
Interventions
Lactated Ringer's Irrigation, Normal Saline
Drug
Lead sponsor
Carl Snyderman
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 5, 2026, 5:05 PM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Adjunctive Treatment for Chronic Rhinosinusitis With Nasal Polyposis

NCT03607175
View directory record Official record
Conditions
Chronic Rhinosinusitis, Nasal Polyps
Interventions
Triamcinolone-impregnated CMC foam, Propel Stent
Drug · Device
Lead sponsor
Marina Boruk
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 5, 2026, 5:05 PM EDT
Terminated Not applicable Interventional Results available

TECR & ECM Placement for Esophageal High Grade Dysplasia

NCT02396745
View directory record Official record
Conditions
Barrett Esophagus, Esophagus, High Grade Dysplasia
Interventions
Subjects undergoing TECR with ECM placement (ACell MatriStem, Boston Scientific WallFlex))
Device
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 18, 2019 · Synced Sep 5, 2026, 5:05 PM 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 5, 2026, 5:05 PM EDT
Completed Phase 2 Interventional Results available

Minimally Invasive Surgery and rtPA for Intracerebral Hemorrhage Evacuation

NCT00224770
View directory record Official record
Conditions
Intracerebral Hemorrhage
Interventions
MIS+Cathflo Activase (drug), Intraoperative stereotactic CT-Guided Endoscopic Surgery
Drug · Procedure
Lead sponsor
Daniel Hanley
Other
Eligibility
18 Years to 80 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
26
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2015 · Synced Sep 5, 2026, 5:05 PM EDT
Recruiting No phase listed Observational

Novel Bipolar Radiofrequency Ablation Knife in Esophageal Lesions

NCT06476678
View directory record Official record
Conditions
Esophageal Neoplasm, Esophageal Polyp, Endoscopic Submucosal Dissection, Bipolar Electrocautery
Interventions
Speedboat™ Ultraslim
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 5, 2026, 5:05 PM EDT
Recruiting Not applicable Interventional

Paclitaxel-Coated Balloon Treatment of Chronic Rhinosinusitis

NCT07290140
View directory record Official record
Conditions
Chronic Rhinosinusitis (CRS) With and Without Nasal Polyps
Interventions
Airiver ESSpand DCB, ESS
Combination Product · Procedure
Lead sponsor
Airiver Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
10
States / cities
Birmingham, Alabama • San Diego, California • Colorado Springs, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 5, 2026, 5:05 PM EDT
Recruiting Not applicable Interventional

Image Guided VATS vs. VATS Resection

NCT03623958
View directory record Official record
Conditions
Lung Cancer
Interventions
Image guided Video-Assisted Thoracic Surgery (VATS) resection, Video-Assisted Thoracic Surgery
Device · Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Sep 5, 2026, 5:05 PM EDT
Terminated Not applicable Interventional Results available

Randomized Study to Compare CyberKnife to Surgical Resection In Stage I Non-small Cell Lung Cancer

NCT00840749
View directory record Official record
Conditions
Non-small Cell Lung Cancer
Interventions
CyberKnife Stereotactic Radiotherapy, Surgery
Radiation · Procedure
Lead sponsor
Accuray Incorporated
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
14
States / cities
Fresno, California • Colorado Springs, Colorado • Lone Tree, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Sep 5, 2026, 5:05 PM EDT
Terminated Not applicable Interventional Results available

Study of a Lumen- Apposing, Covered, Self-Expanding Metal Stent (Axios™) Versus Multiple Double Pigtail Stents

NCT02673541
View directory record Official record
Conditions
Pancreatic Necrosis
Interventions
AXIOS™ stent, Double Pigtail Stents
Device
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 5, 2020 · Synced Sep 5, 2026, 5:05 PM 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 5, 2026, 5:05 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Prospective Multicenter Human Randomized Controlled Evaluation of NOTES® Cholecystectomy

NCT01171027
View directory record Official record
Conditions
Gall Bladder Diseases
Interventions
NOTES Cholecystectomy, Laparoscopic Cholecystectomy
Procedure
Lead sponsor
Natural Orifice Surgery Consortium for Assessment and Research
Other
Eligibility
18 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
6
States / cities
San Diego, California • New Haven, Connecticut • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2011 · Synced Sep 5, 2026, 5:05 PM EDT
Active, not recruiting Phase 2 Interventional

Photoradiation With Verteporfin to Facilitate Immunologic Activity of Pembrolizumab in Unresectable, Locally Advanced or Metastatic Pancreatic Cancer

NCT06381154
View directory record Official record
Conditions
Locally Advanced Pancreatic Adenocarcinoma, Metastatic Pancreatic Adenocarcinoma, Stage II Pancreatic Cancer AJCC v8, Stage III Pancreatic Cancer AJCC v8, Stage IV Pancreatic Cancer AJCC v8, Unresectable Pancreatic Adenocarcinoma
Interventions
Biopsy, Biospecimen Collection, Computed Tomography, Endoscopic Ultrasound, Fluorouracil, Irinotecan, Leucovorin, Lymph Node Biopsy, Magnetic Resonance Imaging, Oxaliplatin, Pembrolizumab, Photodynamic Therapy, Positron Emission Tomography, Questionnaire Administration, Verteporfin
Procedure · Drug · Biological + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 5, 2026, 5:05 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Endoscopic Resection of Large Colorectal Polyps: An Observational Cohort Study

NCT04220905
View directory record Official record
Conditions
Colonic Polyp, Colonoscopy, Complication, Recurrence, Duodenal Polyp
Interventions
Not listed
Lead sponsor
White River Junction Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
1
States / cities
White River Junction, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 4, 2024 · Synced Sep 5, 2026, 5:05 PM EDT
Not listed Not applicable Interventional

Wide-Area Transepithelial Sampling in Endoscopic Eradication Therapy for Barrett's Esophagus

NCT05056051
View directory record Official record
Conditions
Barrett Esophagus, Esophageal Cancer
Interventions
WATS-3D tissue sampling prior to forceps biopsies, WATS-3D tissue sampling following forceps biopsies
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
4
States / cities
Los Angeles, California • Aurora, Colorado • Chicago, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 5, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility Trial to Evaluate the Ability of the SuMO Tissue Access and Resection System

NCT01322737
View directory record Official record
Conditions
Colon Disease, Gastric Disease
Interventions
Tissue Access and Resection System
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 15, 2014 · Synced Sep 5, 2026, 5:05 PM EDT
Completed Not applicable Interventional Results available

Laparoscopy vs. Robotic Surgery for Endometriosis (LAROSE): a Prospective Randomized Controlled Trial

NCT01556204
View directory record Official record
Conditions
Endometriosis
Interventions
Robotic surgery, Laparoscopic Surgery
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
3
States / cities
Scottsdale, Arizona • Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 13, 2017 · Synced Sep 5, 2026, 5:05 PM EDT