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

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 - 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

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000034980

Enrollment

220

Registered

2018-11-23

Start date

2018-10-02

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

head and neck cancer, esophageal cancer

Interventions

It collected the saliva in all cases.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1 It is possible to take saliva. 2 Written informed consent after an enough explanation 3 Endoscopic resection was performed for head and neck cancer. 4 Squamous cell carcinoma was histologically confirmed in resected specimen. 5 Endoscopic complete resection

Exclusion criteria

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

Design outcomes

Primary

Measure	Time frame
the risk of metachronous head and neck cancer after endoscopic resection	—

Countries

Japan

Contacts

Public ContactMasaki Inoue

Graduate School of Medicine and Faculty of Medicine, Hokkaido University Department of Gastroenterology and Hepatology

mokomokomomon@gmail.com011-716-1161

Outcome results

None listed

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