Time Course of Exhaled Hydrogen Concentration Following Oral Administration of a Hydrogen-Rich Jelly

Time Course of Exhaled Hydrogen Concentration Following Oral Administration of a Hydrogen-Rich Jelly - Time Course of Exhaled Hydrogen Concentration Following Oral Administration of a Hydrogen-Rich Jelly

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000061272

Enrollment

Registered

2026-04-15

Start date

2026-04-15

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

Healthy

Interventions

At the first test session, participants consume the same standardized commercially available meal, and at the second test session, they consume hydrogen-rich jelly (10 g containing 0.3 mg of hydrogen)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy

Exclusion criteria

Exclusion criteria: 1) Individuals currently taking medicines and/or dietary supplements 2) Individuals with food allergies 3) Individuals currently participating in another clinical study, or who have participated in another clinical study within the past 3 months 4) Individuals who are pregnant, may be pregnant, or are breastfeeding 5) Individuals judged by the principal investigator or sub-investigator to be ineligible for participation in this study

Design outcomes

Primary

Measure	Time frame
Increase in exhaled hydrogen concentration from baseline during 0-180 min following oral administration of hydrogen-rich jelly	—

Secondary

Measure	Time frame
- Cmax and AUC of the increase in exhaled hydrogen concentration from baseline during 0-180 min following oral administration of hydrogen-rich jelly - Postprandial increase in exhaled hydrogen concentration from baseline during 0-8 h, and its Cmax and AUC - Association between gut microbiome profiles and exhaled hydrogen and methane concentrations following oral administration of hydrogen-rich jelly	—

Measure

Time frame

- Cmax and AUC of the increase in exhaled hydrogen concentration from baseline during 0-180 min following oral administration of hydrogen-rich jelly - Postprandial increase in exhaled hydrogen concentration from baseline during 0-8 h, and its Cmax and AUC - Association between gut microbiome profiles and exhaled hydrogen and methane concentrations following oral administration of hydrogen-rich jelly

—

Countries

Japan

Contacts

Public ContactFumiko Higashikawa

Hiroshima University Hospital Medical Center for Translational and Clinical Research

healthy-life@hiroshima-u.ac.jp082-257-1909

Outcome results

None listed

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