UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060388
Receipt number R000069088
Scientific Title Prospective Validation Study of the Diagnostic Prediction Model "TIP Score" for Peripheral Transbronchial Needle Aspiration (pTBNA) Using an Ultrathin Bronchoscope (PeriView FLEX)
Date of disclosure of the study information 2026/01/17
Last modified on 2026/01/17 14:28:01

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Basic information

Public title

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

Acronym

TIP-pTBNA

Scientific Title

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

Scientific Title:Acronym

TIP-pTBNA Study

Region

Japan


Condition

Condition

Peripheral pulmonary lesions

Classification by specialty

Pneumology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To prospectively validate the utility and validity of the diagnostic prediction model "TIP Score" for transbronchial needle aspiration (pTBNA) using an ultrathin bronchoscope (PeriView FLEX), which was developed in a retrospective study.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Histological Diagnostic Yield

Key secondary outcomes

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)


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key 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.

Key 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.

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Toshiyuki
Middle name
Last name Sumi

Organization

Hakodate Goryoukaku Hospital

Division name

Pulmonary medicine

Zip code

040-8611

Address

38-3 Goryoukaku-cho Hakodate Hokkaido Japan

TEL

0138-51-2295

Email

tsh715@gmail.com


Public contact

Name of contact person

1st name Toshiyuki Sumi
Middle name
Last name Sumi

Organization

Hakodate Goryoukaku Hospital

Division name

Pulmonary medicine

Zip code

040-8611

Address

38-3 Goryoukaku-cho Hakodate Hokkaido Japan

TEL

0138-51-2295

Homepage URL


Email

tsh715@gmail.com


Sponsor or person

Institute

Hakodate Goryoukaku Hospital

Institute

Department

Personal name

Toshiyuki Sumi


Funding Source

Organization

self funding

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Hakodate Goryoukaku Hospital IRB

Address

38-3 Goryoukaku-cho Hakodate Hokkaido Japan

Tel

0138-51-2295

Email

tsh715@gmail.com


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 01 Month 17 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2025 Year 12 Month 05 Day

Date of IRB

2026 Year 01 Month 14 Day

Anticipated trial start date

2026 Year 01 Month 19 Day

Last follow-up date

2026 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This is a prospective study designed to validate the diagnostic prediction model (TIP Score) developed in a preceding retrospective exploratory study.

This study is funded by the departmental budget of the principal investigator. There is no funding from specific industries, and no conflict of interest (COI) to declare.

This study is conducted as an investigator-initiated clinical study (observational study).


Management information

Registered date

2026 Year 01 Month 17 Day

Last modified on

2026 Year 01 Month 17 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069088