Preoperative bronchoscopic marking using virtual bronchoscopic navigation to improve surgical precision for small lung nodules

Preoperative bronchoscopic marking using virtual bronchoscopic navigation to improve surgical precision for small lung nodules - Accurate preoperative bronchoscopic marking for small lung nodules

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023939

Enrollment

200

Registered

2016-10-01

Start date

2017-01-04

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

Small lung nodules

Interventions

Using bronchoscopy, a catheter was inserted into a selected bronchus close to the pleura. 1 mL of dye (ICG, contrast agent) was injected. This was used as references in the subsequent operation to sec

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Among patients who will undergo surgery at Thoracic Surgery, Kyoto University Hospital, those who clinically needs preoperative marking.

Exclusion criteria

Exclusion criteria: 1 ) Patients with history of allergy to ICG, or contrast agent. 2 ) patients with bronchial asthma . 3 ) Minors and dementia patients.

Design outcomes

Primary

Measure	Time frame
Accuracy and visibility of markings.	—

Secondary

Measure	Time frame
the rate of complete resection of small lung nodules.	—

Countries

Japan

Contacts

Public ContactToyofumi F. Chen-Yoshikawa

Graduate School of Medicine, Kyoto University Thoracic Surgery

fengshic@kuhp.kyoto-u.ac.jp075-751-4975

Outcome results

None listed

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