Prospective trial to investigate whether white opaque substance as visualized is present in colonic hyper plastic polyps by magnifying endoscopy with narrow-band-imaging

Prospective trial to investigate whether white opaque substance as visualized is present in colonic hyper plastic polyps by magnifying endoscopy with narrow-band-imaging - White opaque substance study of colorectal hyper plastic polyp

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000016554

Enrollment

Registered

2015-02-16

Start date

2015-02-17

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 hyperplastic polyp

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.The patient's age is equal to or than. 2.The patients whose ECOG performance status should be 0 or 1. 3.The patients who gave written informed consent.

Exclusion criteria

Exclusion criteria: 1.Lesion pathologically diagnosed epithelial or non-epithelial tumor. 2.Patients with inflammatory bowel disease. 3.The patients with past history of colorectal surgery. 4.The patients with serious underlying disorder. 5.The lesion with erosion, ulceration or inappropriate to participate in the endoscopic observation. 6.Patients who were determined to be inappropriate to participate in the study because of severe mental disorder. 7.The patients that were determined to be inappropriate to participate in the study by the investigate.

Design outcomes

Primary

Measure	Time frame
To investigate whether white opaque substance, which obscure microvessels, is present in hyper plastic polyps	—

Secondary

Measure	Time frame
Histological investigation of clinical findings	—

Countries

Japan

Contacts

Public ContactHiroshi ishihara

Fukuoka University Chikushi Hospital Department of Gastroenterology

ishiharanoyoume@gmail.com090-2512-7479

Outcome results