Risk assessment of metachronous squamous cell carcinoma after endoscopic resection for head and neck cancer based on the genetic polymorphisms of alcoholdehydrogenase-1B aldehydedehydrogenase-2
Not Applicable
- Conditions
- head and neck cancer, esophageal cancer
- Registration Number
- JPRN-UMIN000034980
- Lead Sponsor
- Hokkaido University
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 200
Inclusion Criteria
Not provided
Exclusion Criteria
1 Surgery was added. 2 Patients who had an an operation of total laryngectomy. 3 Ineligible for participating in this study according to the principal investigators 4 Less than 20 years old 5 During pregnancy
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method the risk of metachronous head and neck cancer after endoscopic resection
- Secondary Outcome Measures
Name Time Method