Prospective trial to investigate the nature of white opaque substance in colonic epithelial neoplasia as visualized by magnifying endoscopy with narrow-band imaging.

Prospective trial to investigate the nature of white opaque substance in colonic epithelial neoplasia as visualized by magnifying endoscopy with narrow-band imaging. - Colonic WOS study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000011220

Enrollment

Registered

2013-07-18

Start date

2013-07-18

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

Colonic epithelial neoplasia

Interventions

Magnifying colonoscopy with narrow-band imaging

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. The patients with colonic cancer or adenoma which were subjected to endoscopic resection (polypectomy or EMR). 2. The patients whose ECOG performance status should be 0 or 1. 3. The patients with age or more 20 years old. 4. The patients who gave written informed consent

Exclusion criteria

Exclusion criteria: 1. The neoplasias with erosion, ulceration or bleeding which disturb the endoscopic observation of surface morphology 2. The patients with serious underlying disorders 3. The patients with past history of colectomy 4. The patients that were determined to be inappropriate to participate in the study by the investigators

Design outcomes

Primary

Measure	Time frame
To investigate whether or not the presence of WOS within the superficial part of the colonic neoplasia is correlated with the presence of lipid droplets in the histological specimen.	—

Countries

Japan

Contacts

Public ContactKentaro imamura

Fukuoka University Chikushi Hospital Department of Gastroenterology

kentaro2316@live.jp090-8413-8001

Outcome results

None listed

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