Prospective trial to investigate the morphological features of the white opaque substance (WOS) in colorectal epithelial neoplasms

Prospective trial to investigate the morphological features of the white opaque substance (WOS) in colorectal epithelial neoplasms - Prospective trial to investigate the morphological features of the WOS in colorectal epithelial neoplasms

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000021167

Enrollment

300

Registered

2016-02-24

Start date

2016-02-24

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 epithelial neoplasia

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients with early colorectal cancer or adenoma which were subjected to endoscopic resection or surgery.

Exclusion criteria

Exclusion criteria: 1. The neoplasias with erosion, ulceration or bleeding which disturb the endoscopic observation 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 5. The patients wih inflammatory bowel disease 6. The patients with familial adenomatous polyposis 7. The patients with advanced colonic cancer

Design outcomes

Primary

Measure	Time frame
The frequency of colorectal neoplasm with regular/irregular WOS	—

Secondary

Measure	Time frame
To investigate the depth and clinicopathological characteristics between WOS-negative/regular WOS-positive/irregular WOS-positive	—

Countries

Japan

Contacts

Public ContactKazutomo Yamasaki

Fukuoka University Chikushi Hospital Department of Gastroenterology

ky875416@yahoo.co.jp080-3974-4626

Outcome results