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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

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 8, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

Feasibility of Performing Peripheral Pulmonary Lesion Biopsy Using Robotic Bronchoscopy-Guided Cryoprobe

NCT05399082
View directory record Official record
Conditions
Bronchi--Diseases, Lung Diseases, Obstructive, Lesions Mass
Interventions
Cryoprobe biopsy, Forceps biopsy
Device · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 8, 2026, 6:02 PM EDT
Not listed Not applicable Interventional

Evaluation of Pancreatic Cystic Lesions Via EUS-guided Fine Needle Aspiration With and Without Micro Forceps Biopsies

NCT04404101
View directory record Official record
Conditions
Pancreatic Cyst
Interventions
1). EUS-FNA plus MFB, 2). EUS-FNA Alone
Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Irvine, California • Aurora, Colorado • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Sep 8, 2026, 6:02 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 8, 2026, 6:02 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 8, 2026, 6:02 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 8, 2026, 6:02 PM EDT
Completed Phase 2 Interventional

Safety of Lung Cryobiopsy in People With Cancer

NCT04548830
View directory record Official record
Conditions
Lung Cancer
Interventions
Transbronchial cryobiopsy
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 8, 2026, 6:02 PM EDT
Active, not recruiting Not applicable Interventional

Pilot Study for Evaluation of Cryobiopsy and Correlation With Standard Forceps Biopsy

NCT03566160
View directory record Official record
Conditions
Gastrointestinal Disease
Interventions
Cryobiopsy probe, administered to study participants
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Sep 8, 2026, 6:02 PM EDT
Terminated Not applicable Interventional Results available

EUS-CNB Versus EUS-SINK for Diagnosis of Upper Gastrointestinal (UGI) Subepithelial Tumors

NCT02282111
View directory record Official record
Conditions
Esophageal Subepithelial Lesions
Interventions
22-gauge Procore needle (ProCore, Cook Medical Inc., Winston-Salem, NC), conventional needle-knife sphincterotome (Microknife XL; Boston Scientific Inc, Natick, Mass)
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2018 · Synced Sep 8, 2026, 6:02 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 8, 2026, 6:02 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 8, 2026, 6:02 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 8, 2026, 6:02 PM EDT
Recruiting Not applicable Interventional

Evaluation of the CONVIVO System

NCT05139277
View directory record Official record
Conditions
Glioblastoma, Glial Tumor, Brain Metastases, Meningioma, Schwannoma, Pituitary Tumor
Interventions
CONVIVO system, Conventional histologic evaluation
Diagnostic Test · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 8, 2026, 6:02 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 8, 2026, 6:02 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 8, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Two Types of Biopsy Forceps for Obtaining Cold Biopsy Polypectomy for Small Sessile Colorectal Polyps Less Than 6 mm in Diameter

NCT00855790
View directory record Official record
Conditions
Colorectal Polyps
Interventions
evaluate the effectiveness of the RJ4 biopsy forcep versus the RJ3 biopsy forcep
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 22, 2015 · Synced Sep 8, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

EBUS-Miniforceps Biopsy Specimen Acquisition for PD-L1 Testing in Nonsmall Cell Lung Cancer

NCT04159025
View directory record Official record
Conditions
Non Small Cell Lung Cancer, NSCLC
Interventions
CoreDx Pulmonary Mini-Forceps
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Sep 8, 2026, 6:02 PM EDT
Active, not recruiting Not applicable Interventional

Microbiome and Rectal Cancer

NCT04223102
View directory record Official record
Conditions
Rectal Cancer, Locally Advanced Malignant Neoplasm
Interventions
Tissue collection
Procedure
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
3
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Sep 8, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

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

NCT00889928
View directory record Official record
Conditions
Gallbladder Disease
Interventions
NOTES GEN 1 Toolbox
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 23, 2011 · Synced Sep 8, 2026, 6:02 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 8, 2026, 6:02 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 8, 2026, 6:02 PM EDT
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 8, 2026, 6:02 PM EDT
Completed Not applicable Interventional

The Analysis of the EBUS Scope as a Hybrid Bronchoscope

NCT02360306
View directory record Official record
Conditions
Lymphadenopathy
Interventions
Endobronchial Ultrasound
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 9, 2015 · Synced Sep 8, 2026, 6:02 PM EDT
Recruiting No phase listed Observational

Impact of RFA on Esophageal Distensibility and Mucosal Impedance

NCT07126535
View directory record Official record
Conditions
Dysplastic Barrett's Esophagus, Radiofrequency Ablation, Barrett Esophagus
Interventions
Radiofrequency ablation alone
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 8, 2026, 6:02 PM EDT