The Impact of Colon Lesion Detection Using Narrow Band Imaging: A Randomized Controlled Trial by Modified Back-to-Back Colonoscopy

The Impact of Colon Lesion Detection Using Narrow Band Imaging: A Randomized Controlled Trial by Modified Back-to-Back Colonoscopy - Colon NBI study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000002934

Enrollment

800

Registered

2010-01-01

Start date

2009-10-01

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

the patient from 20 to 80 years old to perform colonoscopic examination

Interventions

the first NBI observation and second white light observation the first white light observation and second NBI observation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patient to perform colonoscopy

Exclusion criteria

Exclusion criteria: IBD FAP HNPCC A history of the colorectal surgery

Design outcomes

Primary

Measure	Time frame
The detection rate of the colon lesion at the time of the observation in the first time.	—

Secondary

Measure	Time frame
The miss rate of the colon lesion using either white light or narrow band imaging. The differentiation ability of neoplastic and non-neoplastic lesion.	—

Countries

Japan

Contacts

Public ContactHiroaki Ikematsu

National Cancer Center Hospital East Digestive Endoscopy

hikemats@east.ncc.go.jp04-7133-1111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026