Evaluation of the risk of metachronous squamous cell carcinoma of the esophagus and the head and neck after endoscopic resection for squamous cell carcinoma of the esophagus according to genetic polymorphisms of alcohol dehydrogense-1B and aldehyde dehydrogenase-2.

Evaluation of the risk of metachronous squamous cell carcinoma of the esophagus and the head and neck after endoscopic resection for squamous cell carcinoma of the esophagus according to genetic polymorphisms of alcohol dehydrogense-1B and aldehyde dehydrogenase-2. - Evaluation of the risk of metachronous squamous cell carcinoma of the esophagus and the head and neck after endoscopic resection for squamous cell carcinoma of the esophagus according to genetic polymorphisms of ADH1B and ALDH2.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000019852

Enrollment

300

Registered

2015-11-19

Start date

2015-11-19

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

squamous cell carcinoma of the esophagus and the head and neck

Interventions

It collected the saliva in all cases.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1 It is possible to take a saliva. 2 Written informed consent was obtained from all patients.

Exclusion criteria

Exclusion criteria: 1 Surgery was added. 2 Officer has determined to be inappropriate. 3 Less than 20 years old. 4 During pregnancy.

Design outcomes

Primary

Measure	Time frame
The incidence of metachronous squamous cell carcinoma of the esophagus and the head and neck according to genetic polymorphisms of alcohol dehydrogense-1B and aldehyde dehydrogenase-2.	—

Countries

Japan

Contacts

Public ContactSatoshi Abiko

Hokkaido University Graduate School of Medicine Department of Gastroenterology

abiko1982@gmail.com011-716-1161

Outcome results

None listed

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