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ClinicalTrials.gov public records Last synced Oct 22, 2026, 9:05 PM EDT

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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Forceps Biopsy Clear all
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 29, 2012 · Synced Oct 22, 2026, 9:05 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 6, 2026 · Synced Oct 22, 2026, 9:05 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 18, 2018 · Synced Oct 22, 2026, 9:05 PM EDT
Terminated No phase listed Observational

Wnt, Notch and Hedgehog Activity in Chemo-Naive Tumors Collected During Staging of Esophageal Cancer Patients

NCT02221245
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Tumor Biopsy via Ultrasound Endoscopy
Procedure
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Oct 22, 2026, 9:05 PM EDT
Completed Not applicable Interventional

Pleuroscopy First Versus Thoracentesis First in Patients With Suspected Malignant Pleural Effusions

NCT06892691
View directory record Official record
Conditions
Pleural Effusion, Cancer
Interventions
Pleuroscopy first, Thoracentesis first
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 22, 2026, 9:05 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 25, 2020 · Synced Oct 22, 2026, 9:05 PM EDT
Recruiting Not applicable Interventional

Rice Technologies for Cervical Cancer Screening and Diagnosis

NCT05372484
View directory record Official record
Conditions
Cervical Cancer
Interventions
Multimodal optical imaging
Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
25 Years to 49 Years · Female only
Enrollment
678 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 22, 2026, 9:05 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 26, 2008 · Synced Oct 22, 2026, 9:05 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 17, 2024 · Synced Oct 22, 2026, 9:05 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 17, 2022 · Synced Oct 22, 2026, 9:05 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 18, 2019 · Synced Oct 22, 2026, 9:05 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 25, 2018 · Synced Oct 22, 2026, 9:05 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 24, 2011 · Synced Oct 22, 2026, 9:05 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 10, 2015 · Synced Oct 22, 2026, 9:05 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 14, 2026 · Synced Oct 22, 2026, 9:05 PM EDT
Completed Not applicable Interventional

Cryoprobe Transbronchial Lung Biopsy in Lung Transplant Patients

NCT01694615
View directory record Official record
Conditions
Lung Transplantation
Interventions
Cryoprobe biopsy, Forceps Biopsy
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 4, 2016 · Synced Oct 22, 2026, 9:05 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 21, 2024 · Synced Oct 22, 2026, 9:05 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 10, 2016 · Synced Oct 22, 2026, 9:05 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 3, 2016 · Synced Oct 22, 2026, 9:05 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 Mar 1, 2019 · Synced Oct 22, 2026, 9:05 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 Oct 14, 2026 · Synced Oct 22, 2026, 9:05 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 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 22, 2026, 9:05 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 9, 2018 · Synced Oct 22, 2026, 9:05 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 12, 2014 · Synced Oct 22, 2026, 9:05 PM EDT