Long-term follow-up study for the microlesions of the pharynx and esophagus detected by narrow-band imaging (NBI).

Long-term follow-up study for the microlesions of the pharynx and esophagus detected by narrow-band imaging (NBI). - Long-term follow-up for the microlesions of the pharynx and esophagus detected by NBI.

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000016473

Enrollment

Registered

2015-02-10

Start date

2015-04-01

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

Pharyngeal or esophageal cancer.

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients diagnosed as having microlesions of the pharynx and esophagus detected by NBI.

Exclusion criteria

Exclusion criteria: 1)Patients taking medication that might interfere with the collection of a biopsy. 2)considered ineligible by attendant doctors.

Design outcomes

Primary

Measure	Time frame
The incidence of carcinoma derived from the microlesions of the pharynx and esophagus.	—

Secondary

Measure	Time frame
The progression of the microlesions of the pharynx and esophagus. Relationship with drinking or smoking or family history.	—

Countries

Japan

Contacts

Public ContactHiroyoshi Nakanishi

Ishikawa Prefectural Central Hospital Department of Gastroenterology

nakanishi@ipch.jp076-237-8211

Outcome results