Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 25, 2026, 4:16 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
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
Conditions
NSCLC (Non-small Cell Lung Cancer), Metastatic NSCLC - Non-Small Cell Lung Cancer
Interventions
Core Needle, Forceps, or Punch Biopsy
Procedure
Lead sponsor
Elephas
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
7
States / cities
Los Angeles, California • Frederick, Maryland • Shirley, New York + 4 more
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
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
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
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
Conditions
Accuracy of Tissue Diagnosis, Bile Duct Stricture, Pancreatic Duct Stricture
Interventions
ERCP with cholangiopancreatoscopy
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
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
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
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
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
Conditions
Immunotherapy, Cancer, Bladder Cancer, Urothelial Carcinoma Bladder, Kidney Cancer, Clear Cell Renal Cell Cancer (ccRCC), Colorectal Cancer, MSI-H Colorectal Cancer, DMMR Colorectal Cancer, Head and Neck Cancer (H&N), Squamous Cell Carcinoma Head and Neck Cancer (HNSCC), Liver Cancer, Hepatocellular Carcinoma (HCC), Lung Cancer (NSCLC), NSCLC (Non-small Cell Lung Cancer), Skin Cancer, Cutaneous Melanoma, Endometrial Cancer, Solid Tumor Cancer
Interventions
Core Needle Biopsy, Forceps Biopsy, Punch Biopsy
Procedure
Lead sponsor
Elephas
Industry
Eligibility
18 Years and older
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
12
States / cities
Little Rock, Arkansas • Salinas, California • Orlando, Florida + 9 more
Recruiting No phase listed Observational Accepts healthy volunteers

Parkinson's Disease Biomarkers in Nerve Cells in the Gut

NCT05347407
Conditions
Parkinson Disease
Interventions
Colonoscopy
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
New York, New York
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
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT02239549
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
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
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 – 2028
U.S. locations
2
States / cities
Atlanta, Georgia
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
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
New York, New York
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
Completed Not applicable Interventional Accepts healthy volunteers

Pathogenesis of Chronic Sinusitis in Relationship to Tobacco Smoke Exposure

NCT01179139
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
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
Completed Not applicable Interventional Results available

Study of Forceps Cannulation During ERCP

NCT05336630
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
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