the effect of smell dysfunction using hydrogen gas for parkinson disease

the effect of smell dysfunction using hydrogen gas for parkinson disease - the effect of smell dysfunction using hydrogen gas for parkinson disease

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000019082

Enrollment

Registered

2015-09-22

Start date

2015-10-10

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

parkinson&#39

Interventions

we measured smell test and urine 8-OHdG before and after 3.5% hydrogen gas. After two month discontinuation of administration. we measured smell test and urine 8-OHdG before and after room air. we me

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: parkinson's disease no limitation ofsex, age

Exclusion criteria

Exclusion criteria: The patients who could not use the tools. The patients who did not obtain consent. The patients who have vascular disease, DM, nose disordes.

Design outcomes

Primary

Measure	Time frame
The primary endpoint with efficacy in PD was the change of smell test(OSIT-J) and urin 8-8OHdG from baseline to the one month.smell test and Urinary 8-OHdG were measured before treatment and after one month of intervention trial. then two months of discontinuation of the intervention was done. smell test and Urinary 8-OHdG were measured before treatment and after one month of intervention trial.	—

Countries

Japan

Contacts

Public ContactMasaaki Hirayama

Nagoya University Graduate School of Medicine department of clinical laboratory

hirasan@med.nagoya-u.ac.jp0527191184

Outcome results

None listed

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