Randomized controlled study for delineating early gastric cancer by white light imaging (WLI) and narrow-band imaging (NBI)

Randomized controlled study for delineating early gastric cancer by white light imaging (WLI) and narrow-band imaging (NBI) - NBI-WLI study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000032323

Enrollment

Registered

2018-05-01

Start date

2017-11-18

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

white light imaging narrow-band imaging

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) En bloc resection in ESD. 2) Histopathological diagnosis is gastric cancer. 3) Gastric cancer within a diameter of 30mm.

Exclusion criteria

Exclusion criteria: 1) Histopathological diagnosis is impossible due to ESD. 2) Endoscopic diagnosis is impossible due to mucus and bleeding . 3) Histopathological diagnosis don't correspond endoscopic diagnosis. 4) Horizontal cut ends is not free of malignant tissue.

Design outcomes

Primary

Measure	Time frame
Comparison between concordance rates of WLI and NBI in delineating early gastric cancer.	—

Countries

Japan

Contacts

Public ContactToshiki Kojima

Fukuoka University Chikushi Hospital Department of gastroenterology

toshiki55imari@yahoo.co.jp092-921-1011

Outcome results

None listed

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