Clinical efficacy of magnification endoscopy for the diagnosis of colorectal neoplasms (a multicenter, prospective comparative study)

Clinical efficacy of magnification endoscopy for the diagnosis of colorectal neoplasms (a multicenter, prospective comparative study) - Clinical efficacy of magnification colonoscopy (a multicenter, prospective comparative study)

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000034549

Enrollment

800

Registered

2018-10-17

Start date

2018-10-01

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

colonic polyps

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. colonic polyps not investigated histogically. 2. patients who has a good general condition enough to undergo endoscopic procedure.

Exclusion criteria

Exclusion criteria: 1. colonic lesions suspected of advanced cancer, submucosal tumor, hamartoma, inflammatory polyp, and non-epithelial tumor. 2. cases in which histologic diagnosis is difficult.

Design outcomes

Primary

Measure	Time frame
Diagnostic accuracy of conventional colonoscopy, maginification colonoscopy with NBI, and magnification chromoendoscopy.	—

Secondary

Measure	Time frame
1. Confidence level of endoscopic diagnosis witheach modality 2. Degree of reflection of JNET classification and pit pattern classification to the endoscopic diagnosis.	—

Countries

Japan

Contacts

Public Contactkotaro Shibagaki

Faculty of Medicine, Shimane University gastroenterology

kotaro@med.shimane-u.ac.jp09011848131

Outcome results