Novel endoscopic views of colorectal neoplastic lesions by new endoscopic system using LASER source

Novel endoscopic views of colorectal neoplastic lesions by new endoscopic system using LASER source - LASER endoscopy to colorectal tumors

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000007304

Enrollment

100

Registered

2012-02-20

Start date

2012-03-01

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 tumors

Interventions

To diagnose colorectal tumors by two modality such as LASER endoscope and NBI

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: colorectal tumors diagnosed histopathlogically

Exclusion criteria

Exclusion criteria: to exclude cases with disorder of main organs

Design outcomes

Primary

Measure	Time frame
To caluculate the agreement of classification to colorectal tumors between LASER endoscpe and NBI according to NBI classification.	—

Secondary

Measure	Time frame
To compare the endoscopic diagnosis by LASER endoscope and histopathological diagnosis	—

Countries

Japan

Contacts

Public ContactNaohisa Yoshida

Kyoto Prefectural University of Medicine Department of Molecular Gastroenterology and Hepatology

naohisa@koto.kpu-m.ac.jp075-251-5519

Outcome results

None listed

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