Prospective observational study to investigate the visibility of endoscopic findings of esophageal and gastric cancers using the GIF-1200N ultra-fine diameter general-purpose upper gastrointestinal videoscope

Visibility evaluation study of upper gastrointestinal endoscopy for esophageal and gastric cancer using the GIF-1200N ultra-fine diameter general-purpose upper gastrointestinal videoscope - Visibility study of upper gastrointestinal endoscopy for esophageal and gastric cancer

Status

Recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000044640

Enrollment

100

Registered

2021-06-30

Start date

2021-08-01

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

Esophageal cancer, Gastric cancer

Interventions

At the time of upper endoscopy, endoscopic observation of the lesion will be performed using GIF-XZ1200 or GIF-EZ1500. 5 minutes later, endoscopic observation of the lesion will be performed using GIF

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Patients who are at least 20 years old at the time of participation in this study. (2) Patients who are scheduled to undergo endoscopic resection. (3) Patients who have given written consent to use the GIF-1200N and the GIF-EZ1500 or GIF-XZ1200 for observation immediately before endoscopic resection.

Exclusion criteria

Exclusion criteria: Patients whose participation in this study is judged inappropriate by the physician in charge.

Design outcomes

Primary

Measure	Time frame
Evaluation of the equivalence between the visibility of endoscopic findings of GIF-1200N and those of GIF-EZ1500 and GIF-XZ1200	—

Countries

Japan

Contacts

Public ContactYasuaki Furue

Kitasato university School of Medicine Gatroenterology

yfurue@kitasato-u.ac.jp042-778-8111

Outcome results

None listed

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