A Multicenter Retrospective Observational Study on Changes in Detection Accuracy According to Version of Upper Endoscopy Image Diagnosis Support Program for Detection

A Multicenter Retrospective Observational Study on Changes in Detection Accuracy According to Version of Upper Endoscopy Image Diagnosis Support Program for Detection - A Multicenter Retrospective Observational Study on Changes in Detection Accuracy According to Version of Upper Endoscopy Image Diagnosis Support Program for Detection

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000060514

Enrollment

181

Registered

2026-01-29

Start date

2025-12-23

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

Esophageal disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Case videos were recorded for 181 cases (215 lesions) registered in the multi-institutional prospective observational study "Studying the usefulness of an endoscopic image diagnosis support system using artificial intelligence for esophageal cancer" (primary study UMIN000049887).

Exclusion criteria

Exclusion criteria: Cases of patients who expressed their intention to be excluded from the study after opting out Cases whose case videos are unsuitable for analysis

Design outcomes

Primary

Measure	Time frame
By observation mode (WLI/BLI/LCI), frequency of detection frames (average number per case and average number per unit examination time). However, detection frames generated for target lesions are excluded.	—

Secondary

Measure	Time frame
Sensitivity for target lesions Number of detection frames generated for each type of detected object (residue, bubbles, mucosal folds, benign polyps, inflammation, erosions, ulcer scars, others)	—

Countries

Japan

Contacts

Public ContactTAKAO MAEKITA

Wakayama Medical University Hospital Central endoscope section

maekita@wakayama-med.ac.jp0734410627

Outcome results