Discrimination of N2a and N2b by EBUS-TBNA: is a Change of the Needle Necessary?

February 10, 2026 updated by: Daniela Gompelmann, University of Vienna

Discrimination of N2a and N2b by EBUS-TBNA: is a Needle Change Necessary? - a Prospective Pilot Study

During EBUS staging in patients with mediastinal lymphadenopathy, it is planned to perform a first round of staging with change of the needle between all lymph nodes and a second round of staging without change of the needle.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

30

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Pulmonary lesion suspicious for lung cancer or histologically confirmed lung cancer
  • indication for mediastinal staging

Exclusion Criteria:

-

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: STudy group
Diagnostic test: EBUS-TBNA
During EBUS staging, the needle well be changed between all lymph node stations in a first round. The EBUS staging will be repeated without the change of the needle between the lymph node stations.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Agreement between the two rounds of EBUS staging
Time Frame: 18 months
18 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Vienna

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 5, 2025

Primary Completion (Estimated)

May 1, 2027

Study Completion (Estimated)

May 1, 2027

Study Registration Dates

First Submitted

February 10, 2026

First Submitted That Met QC Criteria

February 10, 2026

First Posted (Actual)

February 18, 2026

Study Record Updates

Last Update Posted (Actual)

February 18, 2026

Last Update Submitted That Met QC Criteria

February 10, 2026

Last Verified

February 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 1.1 Needle change

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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