An observational study for comparison of diagnostic yield, maneuverability and safety between 22-gauge and 25-gauge needles for endobronchial ultrasound-guided transbronchial needle aspiration.

An observational study for comparison of diagnostic yield, maneuverability and safety between 22-gauge and 25-gauge needles for endobronchial ultrasound-guided transbronchial needle aspiration. - An observational study for comparison of diagnostic yield, maneuverability and safety between 22-gauge and 25-gauge needles for endobronchial ultrasound-guided transbronchial needle aspiration.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000034705

Enrollment

Registered

2018-11-01

Start date

2018-11-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

malignant and benign mediastinal hilar lymphadenopathy.

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with hilar and mediastinal lymphadenopathy. 20 years old and above

Exclusion criteria

Exclusion criteria: Patients who are considered as inappropriate by physician. Rebiopsy to detect resistance mutation

Design outcomes

Primary

Measure	Time frame
Comparison of the diagnostic yield between 22-gauge and 25-gauge needles for endobronchial ultrasound-guided transbronchial needle aspiration.	—

Secondary

Measure	Time frame
Comparison of the diagnostic yield based on malignant and benign regions, histological diagnostic yield and cytological diagnostic yield, quantity of histological core tissue, maneuverability, safety	—

Countries

Japan

Contacts

Public ContactTadashi Sakaguchi

Matsusaka Municipal Hospital Department of respiratory medicine

mchsakaguchi@city-hosp.matsusaka.mie.jp0598-23-1515

Outcome results