The usefulness of magnifying endoscopy with Blue LASER Imaging (ME-BLI) for superficial esophageal squamous cell carcinoma (SCC)

The usefulness of magnifying endoscopy with Blue LASER Imaging (ME-BLI) for superficial esophageal squamous cell carcinoma (SCC) - Esophageal BLI (Blue LASER Imaging) study

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000013893

Enrollment

178

Registered

2014-05-07

Start date

2014-11-01

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

superficial esophageal SCC

Interventions

To diagnose the invasion depth of superficial esophageal SCC by two modalities such as ME-BLI and ME-NBI (two examinations are performed in the different days

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) The patients with superficial esophageal SCCs treated by endoscopic resection or surgical resection 2) The patients who agreed with informed consent

Exclusion criteria

Exclusion criteria: 1) The patients with previous histological diagnosis of esophageal dysplasia or cancer 2) The patients with any previous treatments for esophageal diseases

Design outcomes

Primary

Measure	Time frame
The accuracy rate of invasion depth of the targeted region in superficial esophageal SCC	—

Secondary

Measure	Time frame
Interobserver agreement between two blind reviewers for the diagnosis of invasion depth of the targeted area in superficial esophageal SCC	—

Countries

Japan

Contacts

Public ContactWaku Hatta

Tohoku University Hospital Division of Gastroenterology

waku-style@festa.ocn.ne.jp022-717-7171

Outcome results

None listed

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