Usefulness of bronchoscopy in combination with endobronchial ultrasonography, ultrafast papanicolaou stain, and virtual bronchoscopic navigation

Usefulness of bronchoscopy in combination with endobronchial ultrasonography, ultrafast papanicolaou stain, and virtual bronchoscopic navigation - usefulness of triple combination device in bronchoscopy

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000014289

Enrollment

Registered

2014-06-17

Start date

2014-06-17

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

peripheral pulmonary nodule

Interventions

endobronchial ultrasonography, ultrafast papanicolaou stain, and virtual bronchoscopic navigation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Peripheral nodule cases of 3 cm or less chest CT 2)Cases that can be pointed out that shadow on chest radiograph 3)Cases a direct visualization not endoscopically 4)Cases consent was obtained in writing to the person or family

Exclusion criteria

Exclusion criteria: 1)Heart failure patients and severe arrhythmia 2)Severe cases respiratory failure, chronic respiratory failure cases 3)Cases are complicated by respiratory active infection 4)Cases of lidocaine allergy 5)Pneumothorax cases 6)Patients have a bleeding tendency 7)Cases can not be obtained the cooperation of the patient 8)Other cases principal investigator was deemed inappropriate as the object of the study

Design outcomes

Primary

Measure	Time frame
diagnostic yield	—

Secondary

Measure	Time frame
examination time, number of biopsy , complications	—

Countries

Japan

Contacts

Public ContactToshiya Maekura

National Hospital Organization Kinki-chuo Chest Medical Center Internal Medicine

toshiya1027@gmail.com072-252-3021

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026