Skip to content

Randomized controlled trial of the second generation Narrow Band Imaging compared with White Light Imaging for detection of early gastric cancer

Randomized controlled trial of the second generation Narrow Band Imaging compared with White Light Imaging for detection of early gastric cancer - Randomized controlled trial of NBI compared with WLI for detection of early gastric cancer (EGC Detection trial)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000014503
Enrollment
4520
Registered
2014-07-07
Start date
2014-09-12
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 gastric cancer

Interventions

Sponsors

Department of Gastroenterology, Ishikawa Prefectural Central Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who plan to undergo upper gastrointestinal endoscopy and who meet one of following (1)-(5) (1)Patients who have history of the endoscopic resection for early gastric cancer or adenoma (2)Patients whose endoscopy is performed for the present gastric cancer or adenoma (3)Patients who have history of the endoscopic resection for early esophageal cancer (4)Patients whose endoscopy is performed for the present esophageal cancer (5)Patients who have history of chemotherapy or radiotherapy for esophageal cancer

Exclusion criteria

Exclusion criteria: (1)Gastrectomy patients (2)Patients who have reconstructed gastric tube (3)Patients with severe underlying disease (4)Patients taking medicines which cause the trouble in obtaining a biopsy tissue (5)Patients who undergo urgent endoscopy (6)Patients who were enrolled in this trial within eight months (7)Patients whom a researcher judges to be inappropriate as a subject

Design outcomes

Primary

MeasureTime frame
Proportion of patients whose early gastric cancer is detected newly by non-magnifying endoscopy

Secondary

MeasureTime frame
(1)Positive predictive value of non-magnifying endoscopy (2)Sensitivity and specificity of non-magnifying endoscopy (3)Examination time (4)Assessment of lesions which are overlooked (5)The number of biopsies which are needed to diagnose gastric cancer (6)Sensitivity and specificity of Near-focus mode (7)Proportion of adverse events

Countries

Japan

Contacts

Public ContactNaohiro Yoshida, MD

Ishikawa Prefectural Central Hospital Department of Gastroenterology

ynaohiro@ipch.jp076-237-8211(81-76-237-8211)

Outcome results

None listed

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