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RecruitingNCT07418450Updated Feb 18, 2026

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

An interventional study of EBUS-TBNA in Lung Cancer (Diagnosis), sponsored by University of Vienna. Recruiting at 1 site in Austria. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-02-18.

Sponsored by University of Vienna · Not applicable, Interventional, and Diagnostic

From the registry’s dates

  • Registered 3 months after the study started (first participant enrolled Nov 2025, registered Feb 2026).
  • Started Nov 2025; still recruiting 1 year later.
Phase
Not applicable
Study type
Interventional
Enrollment
30
Allocation
Non-randomized
Ages
18 Years and older
Sex
All
01

Study summary

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.

02

Conditions studied

  • Lung Cancer (Diagnosis)
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In context

Lung Neoplasms

5,422 studies on the registry are indexed under Lung Neoplasms; 1,346 are open to participants now.

This study's planned enrollment of 30 is below the median of 60 across 3,656 interventional studies indexed under Lung Neoplasms.

Browse Lung Neoplasms studies →

Lead sponsor

University of Vienna is the lead sponsor of 49 studies on the registry; 16 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

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

Exclusion criteria

Exclusion Criteria:

-

Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Histologically or cytologically confirmed

The diagnosis was confirmed by looking at a sample under a microscope: tissue from a biopsy or surgery (histology), or cells from a fluid or needle sample (cytology).

Your pathology report is the document that shows this.

05

Study design

Phase
Not applicable
Primary purpose
Diagnostic
Allocation
Non-randomized
Intervention model
Single group
Masking
None (open label)
Enrollment
30 participants (estimated)

Study arms

  • Experimental
    STudy group

    Diagnostic Test: EBUS-TBNA

Interventions

  • Diagnostic testEBUS-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.

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What researchers measure

Primary outcomes

  1. Agreement between the two rounds of EBUS staging

    Time frame: 18 months

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Study locations

1 of 1 sites recruiting
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References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Feb 18, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07418450
Lead sponsor
University of Vienna
Responsible party
Daniela Gompelmann (Prof. Dr. med., University of Vienna) — Principal investigator
First posted
Feb 18, 2026
Start date
Nov 5, 2025
Primary completion
May 2027 (estimated)
Completion
May 2027 (estimated)
Last update
Feb 18, 2026

Study contacts

Daniela Gompelmann
Contact
daniela.gompelmann@meduniwien.ac.at
0043 1 40400 47730

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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