Randomized clinical study on Narrow Band Imaging (NBI) for diagnosis of superficial head and nack and esophageal cancer

Randomized clinical study on Narrow Band Imaging (NBI) for diagnosis of superficial head and nack and esophageal cancer - H&N and Esophagus NBI-STUDY

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-C000000242

Enrollment

300

Registered

2005-09-20

Start date

2005-03-01

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

Interventions

NBI control

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: esophageal cancer squamous cell carcinoma no prior radiotherapy and chemotherapy

Exclusion criteria

Exclusion criteria: esophageal stenosis esophageal varices

Design outcomes

Primary

Measure	Time frame
Comparison of the detection rate of superficial head and neck cancer between NBI and conventional obseravation in the esophageal caner patients	—

Secondary

Measure	Time frame
Comparison of the diagnostic accuracy of superficial head and neck cancer between NBI and conventional obseravation in the esophageal caner patients	—

Countries

Japan

Contacts

Public ContactManabu Muto

Natioanal Cancer Center Hospital East Division of Digestive Endoscopy and GI Oncology

04-7133-1111

Outcome results

None listed

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