Relationship between ALDH2/ADH1B phenotypes and ethanol/acetaldehyde levels in the oral cavity of teenagers

Relationship between ALDH2/ADH1B phenotypes and ethanol/acetaldehyde levels in the oral cavity of teenagers - Relationship between ALDH2/ADH1B phenotypes and ethanol/acetaldehyde levels in the oral cavity of teenagers

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000032993

Enrollment

100

Registered

2018-06-14

Start date

2018-07-01

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

A healthy teenager

Interventions

A subject is instructed to refrain from eating foods and drinking except water for 1 hour prior to the study. In this study, at first, a subject is sampled the endogenous breath using a gas bag, and t

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: -High school student at the age of 16-18. -Male and Female -A person who is provided sufficient explanations about this study and consented to it in writing by his/her own free will -A person who has no history of drinking and smoking

Exclusion criteria

Exclusion criteria: -an inappropriate person for this study

Design outcomes

Primary

Measure	Time frame
Breath ethanol and acetaldehyde levels	—

Secondary

Measure	Time frame
ADH1B and ALDH2 genotypes	—

Countries

Japan

Contacts

Public ContactAyako Himemiya-Hakucho

Graduate School of Medicine, Yamaguchi University Department of Legal Medicine

haku.a@yamaguchi-u.ac.jp0836-22-2234

Outcome results

None listed

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