Basic research on the change in hydrogen gas concentrations in the expired air after intake of hydrogen-dissolved water and water containing indigestible sugars

Basic research on the change in hydrogen gas concentrations in the expired air after intake of hydrogen-dissolved water and water containing indigestible sugars - Hydrogen gas concentrations in the expired air after intake of hydrogen-dissolved water and water containing indigestible sugars

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023550

Enrollment

Registered

2016-08-10

Start date

2016-03-31

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

Normal subject

Interventions

Subjects were instructed to finish their dinner before 7 pm on the day before the experiment, and to consume only water, tea or coffee after 7 pm until the start of the experiment. The subjects were

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Normal subject

Exclusion criteria

Exclusion criteria: The exclusion criteria were a history of smoking and history of intake of antibiotics within the previous month.

Design outcomes

Primary

Measure	Time frame
expired-air hydrogen gas concentration	—

Countries

Japan

Contacts

Public ContactKenichi Kokubo

Kitasato University School of Allied Health Sciences

kokubo@kitasato-u.ac.jp+81-42-778-9643

Outcome results

None listed

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