Effects of 1,8-cineole-added masks on brain function and psychological aspects of young healthy people

Effects of 1,8-cineole-added masks on brain function and psychological aspects of young healthy people - 1,8-cineole-added masks and brain function

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1071240045

Enrollment

Registered

2024-08-07

Start date

2024-08-07

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

Decreased concentration and energy status

Interventions

Non-woven mask coated with 7micro L of distilled water or 1,8-cineole

[G16.500.275.640]

1,8-cineole, mood and concentration

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: healthy young adult

Exclusion criteria

Exclusion criteria: 1.Those who are aware of a decreased sense of smell due to chronic sinusitis or upper respiratory tract infection, etc. 2.Persons with allergic rhinitis 3.Those who have experienced feeling unwell due to olfactory stimulation

Design outcomes

Primary

Measure	Time frame
1.Electro Encephalo Graphy 2.Event-related potential P300 3.Measurement of salivary biomarkers (alpha amylase, chromogranin A, serotonin)	—

Secondary

Measure	Time frame
1.Profile of Mood States 2nd Edition Shortened version for adults 2.Dual task of Purdue Pegboard Test two-handed assembly task and Paced Auditory Serial Additions Task Clinical Assessment for Attention 2 seconds condition 3.Paced Auditory Serial Additions Task Clinical Assessment for Attention1 second condition 4.Trail Making Test Assignment B	—

Contacts

Public ContactJunichi Iiyama

Kumamoto Health Science University

iiyama@kumamoto-hsu.ac.jp+81-96-275-2111

Outcome results

None listed

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