Prospective study of efficacy of magnifying endoscopy with narrow band imaging in the differential diagnosis of sporadic nonampullary duodenal low-grade dysplasia or high-grade dysplasia/intramucosal carcinoma

Prospective study of efficacy of magnifying endoscopy with narrow band imaging in the differential diagnosis of sporadic nonampullary duodenal low-grade dysplasia or high-grade dysplasia/intramucosal carcinoma - Magnifying endoscopy with narrow band imaging in the differential diagnosis of duodenal adenomatous lesion

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000009838

Enrollment

Registered

2013-01-22

Start date

2012-01-01

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

sporadic nonampullary duodenal adenomatous lesion

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with nonampullary duodenal adenomatous lesion

Exclusion criteria

Exclusion criteria: Patients with polyposis syndrome or evaluated incompetent by doctors in attendance

Design outcomes

Primary

Measure	Time frame
The findings of lesions using magnifying endoscopy with narrow band imaging	—

Countries

Japan

Contacts

Public ContactMakoto Arai

Chiba University Hospital Gastroenterology

araim-cib@umin.ac.jp043-226-2083

Outcome results