A prospective randomized study to compare the tolerability of the magnifying narrow-band imaging endoscopy with lugol chromoendoscopy for esophageal cancer screening

A prospective randomized study to compare the tolerability of the magnifying narrow-band imaging endoscopy with lugol chromoendoscopy for esophageal cancer screening - A prospective randomized study to compare the tolerability of the magnifying narrow-band imaging endoscopy with lugol chromoendoscopy for esophageal cancer screening

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000012097

Enrollment

Registered

2013-10-22

Start date

2012-03-21

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

magnifying narrow-band imaging endoscopy lugol chromoendoscopy

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who have more than six points in health risk appraisal-flushing score for esophageal cancer or patients who have history of head and neck squamous cell carcinoma

Exclusion criteria

Exclusion criteria: 1)patients with iodine allergy 2)patients with severe organ failure 3)patients who have been judged as inappropriate for this study

Design outcomes

Primary

Measure	Time frame
Visual analogue scale for heartburn after the examination	—

Secondary

Measure	Time frame
Visual analogue scale for retrosternal pain or dyspnea after the examination	—

Countries

Japan

Contacts

Public ContactYasushi Yamasaki

Tsuyama central hospital Department of Gastroenterology

yasshifive@yahoo.co.jp0868-21-8111

Outcome results

None listed

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