Comparison of standard versus high definition colonoscopy for polyp detection

Comparison of standard versus high definition colonoscopy for polyp detection: a randomised controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN60128262

Enrollment

390

Registered

2009-09-04

Start date

2008-05-07

Completion date

Unknown

Last updated

2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal polyps, colonoscopy Digestive System Other diseases of anus and rectum

Interventions

In the SC group, a standard-resolution, standard-angle (140°) videocolonoscope - Olympus (Tokyo, Japan) was used with a high-definition 1080-line screen - Olympus (OEV191H, Tokyo, Japan). In the HD

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients were eligible if they were aged 50 years and older, either sex

Exclusion criteria

Exclusion criteria: 1. Polyposis syndromes 2. Hereditary nonpolyposis colorectal cancer (CRC) 3. Previous surgical resection of the colon or rectum 4. Active anticoagulation 5. Inflammatory bowel disease

Design outcomes

Primary

Measure	Time frame
Performance of the colonoscopy, measured 10/10/2008.	—

Secondary

Measure	Time frame
Detection of small polyps (less than or equal to 5 mm), measured 10/10/2009.	—

Countries

Greece

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026