Evaluation of short additional observation of the right-sided colon using NBI

Additional Right-colon Image-enhanced Surveillance for Enhanced detection in colonoscopy - ARISE study

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059447

Enrollment

1200

Registered

2025-10-17

Start date

2025-09-01

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

Colorectal polyps (adenoma and sessile serrated lesions)

Interventions

An additional short time observation of the right-sided colon using narrow band imaging following standard white-light imaging.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing screening colonoscopy at the study institution. Patients aged 18 years or older who receive an explanation of the study and provide written informed consent.

Exclusion criteria

Exclusion criteria: Patients with a history of right-sided colon resection, inflammatory bowel disease, polyposis syndromes, poor bowel preparation, or incomplete cecal intubation.

Design outcomes

Primary

Measure	Time frame
Additional detection rate of adenomas and sessile serrated lesions in the right-sided colon.	—

Countries

Japan

Contacts

Public ContactTakahiro Miyake

Kameda Medical Center Department of Gastroenterology

t.miyake@med.showa-u.ac.jp0470-92-2211

Outcome results

None listed

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