Detectability of colorectal lesions using the novel endoscopic system which 330 degrees wide viewing angle was wquipped with: a multicenter randomized controlled trial

Detectability of colorectal lesions using the novel endoscopic system which 330 degrees wide viewing angle was wquipped with: a multicenter randomized controlled trial - Detectability of colorectal lesions using the novel endoscopic system which 330 degrees wide viewing angle was wquipped with: a multicenter randomized controlled trial (FUSE STUDY)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000020448

Enrollment

340

Registered

2016-01-07

Start date

2016-01-18

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 lesions

Interventions

Wide viewing angle colonoscope Study period: one year Conventional forward-viewing colonoscope Study period: one year

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients whom colonoscopy is performed in for the first time The patients who had been treated all colon polyps before and that it has been judged that there was no information about their polyps

Exclusion criteria

Exclusion criteria: Inflammatory bowel disease Familial adenomatous pplyposis The patients with a history of colorectal surgical resection The patients with the haemorrhage of digestive tract Colonic stenosis Acute diverticulitis Toxic megacolon

Design outcomes

Primary

Measure	Time frame
The miss rates of colorectal adenomatous lesions	—

Secondary

Measure	Time frame
The miss rates of colorectal any lesions The number of detected colorectal adenomatous lesions The number of detected colorectal any lesions Procedure time	—

Countries

Japan

Contacts

Public ContactToyoki Kudo

Showa University Northern Yokohama Hospital Digestive Disease Center

s6027@nms.ac.jp045-949-7000

Outcome results

None listed

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