Pilot study evaluating the usefulness of a vascular endoscope in bronchoscopy for peripheral pulmonary lesions

Pilot study evaluating the usefulness of a vascular endoscope in bronchoscopy for peripheral pulmonary lesions - Pilot study evaluating the usefulness of a vascular endoscope in bronchoscopy for peripheral pulmonary lesions

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000018796

Enrollment

Registered

2015-09-01

Start date

2015-09-01

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

Peripheral pulmonary lesions

Interventions

Bronchoscopy with the use of a vascular endoscope

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients with small peripheral pulmonary lesion less than 3 cm in size. 2. Patients with suspected lung cancer. 3. Bronchus directly involved with the lesion is identified on CT. 4. 20 years old or more 5. Informed consent

Exclusion criteria

Exclusion criteria: 1. Lesions deemed as benign diseases on chest CT 2. Case with serious concomitant medical illness 3. SpO2 less than 90 % with supplemental oxygen 4. Disability of cessation of anticoagulant or antiplatelet. 5. Pregnancy 6. Other clinical difficulties in this trial.

Design outcomes

Primary

Measure	Time frame
Findings of peripheral pulmonary lesions with the use of a vascular endoscope.	—

Secondary

Measure	Time frame
1. Diagnostic yield on histology specimens. 2. Arrival rate of a vascular endoscope to the lesions. 3. Complications (Safety)	—

Countries

Japan

Contacts

Public ContactMakoto Kosaka

Shinshu University School of Medicine The First Department of Internal Medicine

kosaka@shinshu-u.ac.jp0263-37-2631

Outcome results

None listed

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