The study of the effect of additional chromoendoscopy in the cases which are classified into low confidence in JNET classification

The study of the effect of additional chromoendoscopy in the cases which are classified into low confidence in JNET classification - The study of the effect of additional chromoendoscopy in the LC cases of JNET classification

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000023135

Enrollment

150

Registered

2016-07-13

Start date

2016-07-13

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

colon polys

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients who undergo a total colonoscopy with NBI magnification

Exclusion criteria

Exclusion criteria: 1.patients with a history of inflammatory bowel disease, hereditary polyposis syndrome, or Lynch syndrome 2.patients with poor bowel preparation 3.patients without polyps 4.patients whose polyp's histopathology had not been evaluated (including resect and discard cases)

Design outcomes

Primary

Measure	Time frame
The diagnostic performance of additional chromoendoscopy in JNET low confidence cases in distinguishing between neoplastic and non-neoplastic polyps	—

Secondary

Measure	Time frame
1.The accuracy of additional chromoendoscopy in JNET low confidence cases 2.The accuracy of additional chromoendoscopy in JNET type2B high confidence cases 3.The proportion of cases which need additional chromoendoscopy	—

Countries

Japan

Contacts

Public ContactUtsumi Takahiro

Sano Hospital Gastrointestinal Center

barce10_ronald@yahoo.co.jp81-78-785-1000

Outcome results