Assessment of Still and Moving Images in the Diagnosis of Gastric Lesions Using Magnifying Narrow-Band Imaging in a Multicenter Trial

Assessment of Still and Moving Images in the Diagnosis of Gastric Lesions Using Magnifying Narrow-Band Imaging in a Multicenter Trial - NBI-SM Study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000008048

Enrollment

Registered

2012-06-01

Start date

2012-07-13

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

gastric cancer

Interventions

Each study participant was first tested using the still images only (still image test), and then tested a month later using both the still and moving images (moving image test).

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: participating doctors will not be limited.

Exclusion criteria

Exclusion criteria: nothing.

Design outcomes

Primary

Measure	Time frame
difference in the accuracy of diagnosis of cancerous versus non-cancerous lesions between the still image test and the moving image test	—

Secondary

Measure	Time frame
subgroup analysis of the characteristics of the participants, including whether or not they were board-certified by the Japan Gastroenterological Endoscopy Society, and their relative experience with the M-NBI procedure	—

Countries

Japan

Contacts

Public ContactTomoyuki Hayashi

Ishikawa Prefectural Central Hospital Department of Gastroenterology

hayasix0917@gmail.com076-237-8211

Outcome results

None listed

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