validation study of an endoscopic diagnosis algorithm for Major papilla using magnified endoscopic examination with image-enhanced endoscopy

validation study of an endoscopic diagnosis algorithm for Major papilla using magnified endoscopic examination with image-enhanced endoscopy - VEP study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000051918

Enrollment

Registered

2023-08-20

Start date

2025-12-10

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

Major papilla tumor

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: a

Exclusion criteria

Exclusion criteria: a

Design outcomes

Primary

Measure	Time frame
diagnostic ability of magnified endoscopic examination with image-enhanced endoscopy	—

Secondary

Measure	Time frame
success rate of magnified endoscopic examination of major pappilla, tumor and non-tumor ratio of endoscopic classification, pathological malignant ratio, time taken of endoscopic examination, the success rate of observing major papilla	—

Countries

Japan

Contacts

Public ContactShintaro Kawasaki

Keio University Endoscopic diagnosis and therapeutic center

s.kawasaki@keio.jp03-3353-1211

Outcome results