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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Forceps Biopsy Clear all
Completed Not applicable Interventional Results available

Study of Forceps Cannulation During ERCP

NCT05336630
View directory record Official record
Conditions
Post-ERCP Acute Pancreatitis
Interventions
Forceps
Device
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 7, 2026, 4:28 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 7, 2026, 4:28 PM EDT
Recruiting Phase 4 Interventional

Comprehensive Esophageal Diagnostics Study

NCT04641702
View directory record Official record
Conditions
Achalasia
Interventions
Atropine challenge, Esophageal muscle biopsy
Drug · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 7, 2026, 4:28 PM EDT
Completed No phase listed Observational

The Evaluation of Patients With Esophageal and Foregut Disorders With WATS (Wide Area Transepithelial Sample With 3-Dimensional Computer-Assisted Analysis) vs. 4-Quadrant Forceps Biopsy

NCT03859557
View directory record Official record
Conditions
GERD, Barrett Esophagus, Low Grade Esophageal Glandular Dysplasia, Esophageal Diseases
Interventions
Not listed
Lead sponsor
CDx Diagnostics
Industry
Eligibility
18 Years and older
Enrollment
1,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 28, 2019 · Synced Sep 7, 2026, 4:28 PM EDT
Terminated Not applicable Interventional

Comparison Bile Duct Brushings, Cholangioscopy-Directed Biopsies and Pediatric Forceps Biopsies in Biliary Strictures

NCT03211169
View directory record Official record
Conditions
Cholangiocarcinoma, Stricture; Bile Duct
Interventions
Biopsies of bile duct stricture with pediatric biopsy forceps, Biopsies of bile duct stricture with cholangioscopy-directed biopsies
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2019 · Synced Sep 7, 2026, 4:28 PM EDT
Terminated Not applicable Interventional

Cryobiopsy Versus Forceps Biopsy for Pulmonary Lesions

NCT02983903
View directory record Official record
Conditions
Solitary Pulmonary Nodule, Multiple Pulmonary Nodules
Interventions
transbronchial biopsy
Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Sep 7, 2026, 4:28 PM EDT
Withdrawn Not applicable Interventional

A Trial to Evaluate Natural Orifice Transgastric Endoscopic Cholecystectomy With Laparoscopic Assistance

NCT00979186
View directory record Official record
Conditions
Cholecystectomy
Interventions
NOTES GEN 1 Toolbox
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2011 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optical Diagnosis Versus Laser Measurement of Polyps' Size During Colonoscopy and Implications for Surveillance

NCT05489380
View directory record Official record
Conditions
Colorectal Polyp
Interventions
AccuMeasure
Device
Lead sponsor
Radboud University Medical Center
Other
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Indianapolis, Indiana • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Sep 7, 2026, 4:28 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Confocal Endomicroscopy for Permeability of Esophageal Wall in Refractory Gastroesophageal Reflux Disease (GERD)

NCT03228407
View directory record Official record
Conditions
Gastro Esophageal Reflux, Barrett Esophagus, Erosive Esophagitis
Interventions
Confocal endomicroscopy, Endoscopic biopsies, Mucosal impedance (MI)
Procedure · Diagnostic Test
Lead sponsor
McGuire Research Institute
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 15, 2018 · Synced Sep 7, 2026, 4:28 PM EDT
Recruiting Not applicable Interventional

Cryoprobe Biopsy and Chronic Rejection in Lung Transplant Recipients

NCT06824402
View directory record Official record
Conditions
Lung Transplant Rejection
Interventions
Forceps Biopsy, Cryoprobe Biopsy
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional Results available

Natural Orifice Transgastric Endoscopic (NOTES) Transgastric Diagnostic Peritoneoscopy With Laparoscopic Assistance

NCT00962650
View directory record Official record
Conditions
Abdominal Adhesions
Interventions
Transgastric diagnostic peritoneoscopy with laparoscopic assistance
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 28, 2012 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Colonoscopic Removal of Aberrant Crypt Foci: a Prospective, Randomized, Blinded Trial

NCT00623883
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Surgical removal of ACF, Colonoscopic evaluation only
Procedure
Lead sponsor
National Naval Medical Center
Federal
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 25, 2008 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional

Novel Imaging Techniques in Barrett's Esophagus

NCT00576498
View directory record Official record
Conditions
Barrett Esophagus, Gastroesophageal Reflux
Interventions
NBI-AFI imaging, Standard Endoscopy
Other
Lead sponsor
Midwest Biomedical Research
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
2
States / cities
Kansas City, Missouri • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 28, 2012 · Synced Sep 7, 2026, 4:28 PM EDT
Completed No phase listed Observational

Evaluation of the Lungs of Individuals With Lung Disease

NCT00224198
View directory record Official record
Conditions
Lung Disease, Bronchitis, Emphysema, COPD, Asthma
Interventions
Lung Disease
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 2, 2016 · Synced Sep 7, 2026, 4:28 PM EDT
Active, not recruiting Not applicable Interventional

The Lung PCA: A Multi-Dimensional Atlas of Pulmonary Premalignancy

NCT03881098
View directory record Official record
Conditions
Lung Cancer
Interventions
Bronchoscopies, Sputum Sample, Venipuncture
Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional

Diagnostic Yield of Intranodal Forceps Biopsies in Mediastinal Adenopathy

NCT05374447
View directory record Official record
Conditions
Mediastinal Lymphadenopathy, Sarcoidosis, Pulmonary, Mediastinal Diseases
Interventions
Endobronchial Ultrasound-Guided Intranodal Forceps Biopsy
Procedure
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 99 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional Results available

Ultrathin Bronchoscope and Radial Endobronchial Ultrasound (R-EBUS) With Fluoroscopy Versus Standard Fiberoptic Bronchoscopy (FB) (P00029233 )

NCT02146131
View directory record Official record
Conditions
Pulmonary Lesions, Pulmonary Nodules, Pulmonary Mass
Interventions
Standard FB with fluoroscopy, R-EBUS with ultrathin bronchoscope
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
22 Years and older
Enrollment
339 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Gainesville, Florida • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional

Cryoprobe Versus Forceps for Transbronchial Biopsy

NCT05751278
View directory record Official record
Conditions
Lung Diseases
Interventions
ERBECRYO® 2 Cryosurgical Unit and Accessories - K190651, Radial Jaw 4 Pulmonary Biopsy Forceps
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
9
States / cities
Chicago, Illinois • Baltimore, Maryland • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Cold Forcep and Cold Snare Polypectomy for Polyps Less Than or Equal to 3mm in Size During Colonoscopy

NCT04551001
View directory record Official record
Conditions
Colo-rectal Cancer, Polyp of Colon, Adenomatous Polyp of Colon
Interventions
Cold forcep polypectomy, Cold snare polypectomy
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Sep 7, 2026, 4:28 PM EDT
Recruiting Not applicable Interventional

Seattle Biopsy Protocol Versus Wide-Area Transepithelial Sampling in Patients With Barrett's Esophagus Undergoing Surveillance

NCT05530343
View directory record Official record
Conditions
Barrett Esophagus, Barretts Esophagus With Dysplasia, Esophageal Adenocarcinoma
Interventions
Seattle protocol, WATS3D brushings
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
2,298 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
14
States / cities
Gilbert, Arizona • Los Angeles, California • Oakland, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pathogenesis of Chronic Sinusitis in Relationship to Tobacco Smoke Exposure

NCT01179139
View directory record Official record
Conditions
Chronic Rhinosinusitis
Interventions
Biopsy
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 70 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional

Comparison of Transbronchial, Cryoprobe, and VATS Biopsy for the Diagnosis of Interstitial Lung Disease

NCT02075762
View directory record Official record
Conditions
Interstitial Lung Disease
Interventions
Transbronchial biopsy, Cryoprobe biopsy, VATS biopsy
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 17, 2019 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Biopsy Forceps Versus Cold Snare for the Resection of Small Colonic Polyps

NCT02239549
View directory record Official record
Conditions
Colonic Polyps
Interventions
Jumbo cold forceps polypectomy, Cold snare polypectomy
Device
Lead sponsor
San Diego Veterans Healthcare System
Federal
Eligibility
18 Years to 80 Years
Enrollment
419 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2014 · Synced Sep 7, 2026, 4:28 PM EDT
Completed Early Phase 1 Interventional

Vitamin D Supplementation on 15-Prostaglandin Dehydrogenase Expression in Barrett's Esophagus

NCT01465113
View directory record Official record
Conditions
Short Segment Barrett's Esophagus, Long Segment Barrett's Esophagus
Interventions
Omeprazole, Vitamin D3, upper endoscopy, Metformin
Drug · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
3
States / cities
Beachwood, Ohio • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 9, 2016 · Synced Sep 7, 2026, 4:28 PM EDT