UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000061755
Receipt number R000070671
Scientific Title A prospective clinical study of AI-assisted endoscopic diagnosis in chronic nasopharyngitis
Date of disclosure of the study information 2026/06/01
Last modified on 2026/05/31 20:54:41

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Basic information

Public title

Prospective observational study of AI-assisted endoscopic diagnosis in chronic nasopharyngitis

Acronym

NASO-AI Study

Scientific Title

A prospective clinical study of AI-assisted endoscopic diagnosis in chronic nasopharyngitis

Scientific Title:Acronym

NASO-AI Clinical Study

Region

Japan


Condition

Condition

Chronic nasopharyngitis

Classification by specialty

Oto-rhino-laryngology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The aim of this study is to prospectively validate the performance of an AI-assisted endoscopic diagnostic model developed in a retrospective study and to evaluate its clinical utility in standardizing diagnosis and assessing treatment response in chronic nasopharyngitis.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Agreement between AI-derived scores and expert evaluations (weighted kappa coefficient and intraclass correlation coefficient)

Key secondary outcomes

Changes in AI scores before and after treatment, correlation with symptom visual analog scale scores, prediction of symptom improvement, diagnostic performance assessed by ROC-AUC and PR-AUC, calibration assessed by Brier score, and clinical utility evaluated by decision curve analysis


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

15 years-old <=

Age-upper limit

80 years-old >

Gender

Male and Female

Key inclusion criteria

Adult patients diagnosed with chronic nasopharyngitis who are scheduled to undergo epipharyngeal abrasive therapy and provide written informed consent

Key exclusion criteria

Patients with inadequate image quality, those who do not provide written informed consent, and those deemed ineligible by the principal investigator

Target sample size

120


Research contact person

Name of lead principal investigator

1st name Manabu
Middle name
Last name Mogitate

Organization

Mogitate ENT Clinic

Division name

Mogitate ENT Clinic

Zip code

2130011

Address

4F-401, Sekiguchi Daiichi Building, 1-2-5 Hisamoto, Takatsu-ku, Kawasaki-shi, Kanagawa, Japan

TEL

0448654187

Email

mogitateentjp@m08.itscom.net


Public contact

Name of contact person

1st name Manabu
Middle name
Last name Mogitate

Organization

Mogitate Medical Corporation

Division name

Mogitate ENT Clinic

Zip code

2130011

Address

4F-401, Sekiguchi Daiichi Building, 1-2-5 Hisamoto, Takatsu-ku, Kawasaki-shi, Kanagawa, Japan

TEL

0448654187

Homepage URL


Email

mogitateentjp@m08.itscom.net


Sponsor or person

Institute

Mogitate ENT Clinic

Institute

Department

Personal name

Manabu Mogitate


Funding Source

Organization

Mogitate ENT Clinic

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board: Rinko General Hospital Ethics Committee

Address

3-13-1 Nakajima, Kawasaki-ku, Kawasaki-shi, Kanagawa, Japan

Tel

0442339336

Email

None


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 06 Month 01 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

2026 Year 01 Month 22 Day

Date of IRB

2026 Year 05 Month 22 Day

Anticipated trial start date

2026 Year 06 Month 01 Day

Last follow-up date

2028 Year 05 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This is a single-center prospective observational study using endoscopic images and clinical data obtained during routine clinical practice without any additional intervention for research purposes.


Management information

Registered date

2026 Year 05 Month 31 Day

Last modified on

2026 Year 05 Month 31 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000070671