ong-term follow-up study for the microlesions of the pharynx and esophagus detected by narrow-band imaging (NBI).
Not Applicable
Recruiting
- Conditions
- Pharyngeal or esophageal cancer.
- Registration Number
- JPRN-UMIN000016473
- Lead Sponsor
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 50
Inclusion Criteria
Not provided
Exclusion Criteria
1)Patients taking medication that might interfere with the collection of a biopsy. 2)considered ineligible by attendant doctors.
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method The incidence of carcinoma derived from the microlesions of the pharynx and esophagus.
- Secondary Outcome Measures
Name Time Method The progression of the microlesions of the pharynx and esophagus. Relationship with drinking or smoking or family history.