Observational study to validate the diagnostic prediction score (TIP Score) for peripheral lung lesions using an ultrathin bronchoscope

Prospective Validation Study of the Diagnostic Prediction Model "TIP Score" for Peripheral Transbronchial Needle Aspiration (pTBNA) Using an Ultrathin Bronchoscope (PeriView FLEX) - TIP-pTBNA Study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000060388

Enrollment

100

Registered

2026-01-17

Start date

2026-01-19

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

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with peripheral pulmonary lesions confirmed by chest CT or other imaging modalities. Patients for whom transbronchial needle aspiration (pTBNA) using an ultrathin bronchoscope (PeriView FLEX) is indicated. Patients who have provided written informed consent to participate in this study. Patients aged 20 years or older at the time of informed consent.

Exclusion criteria

Exclusion criteria: Patients for whom bronchoscopy is deemed difficult due to poor general condition or other reasons. Patients with bleeding tendencies for whom biopsy procedures are contraindicated. Any other patients deemed inappropriate for participation in this study by the principal investigator.

Design outcomes

Primary

Measure	Time frame
Histological Diagnostic Yield	—

Secondary

Measure	Time frame
Core Acquisition Rate Safety (Incidence of complications such as pneumothorax and bleeding) Comparison of Histological Diagnostic Yield between TIP Score groups (High Score group vs. Low Score group)	—

Countries

Japan

Contacts

Public ContactToshiyuki Sumi Sumi

Hakodate Goryoukaku Hospital Pulmonary medicine

tsh715@gmail.com0138-51-2295

Outcome results