Comparison of diagnostic ability of endoscopic observational methods about demarcation of early eshophageal squamous cell carcinomas

Comparison of diagnostic ability of endoscopic observational methods about demarcation of early eshophageal squamous cell carcinomas - Diagnosis of demarcation of early esophageal squamous cell carcinomas

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000007640

Enrollment

100

Registered

2012-04-02

Start date

2011-07-01

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

early esophageal squamous cell carcinoma

Interventions

marking dots for demarcation of tumors marking dots for demarcation of tumors

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adult patients of early eshophagel squamous cell carcinoma who will undergo endoscopic submucosal dissection at our hospital and gave written informed consent

Exclusion criteria

Exclusion criteria: patients of residual cancers after endoscopic resection patients whose cancer was resected in a piecemeal fashion

Design outcomes

Primary

Measure	Time frame
The rate of accurate diagnosis of demarcation of early esophageal squamous cell carcinomas	—

Countries

Japan

Contacts

Public ContactItsuko Asada-Hirayama

Graduate School of Medicine, The University of Tokyo Department of Gastroenterology

ihirayama-tky@umin.ac.jp03-3815-5411

Outcome results

None listed

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