Effects of geranium essential oil in aromatherapy treatment of healthy subjects

Effects of geranium essential oil on the autonomic nervous system during aromatherapy treatment in healthy subjects. In a state where the sense of smell is eliminated - Effects of geranium essential oil on the autonomic nervous system

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000052026

Enrollment

Registered

2023-09-01

Start date

2022-06-10

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

healthy subjects

Interventions

Treatment with control oil (macadamia nut oil) Treatment with oil containing 1% geranium essential oil

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Male and female students of International University of Health and Welfare, College of Pharmacy and Graduate School of Pharmacy who are willing to help us as volunteers.

Exclusion criteria

Exclusion criteria: Students with chemical sensitivity, skin conditions on the arms, or allergic diseases such as bronchial asthma or atopic dermatitis will be excluded in advance, as well as students with suspected allergies based on patch tests conducted in advance.

Design outcomes

Primary

Measure	Time frame
Heart rate variability will be analyzed from heartbeats obtained from fingertip and ear pulse waves immediately before (10 minutes), during (10 minutes), and after (10 minutes) aromatherapy treatments to determine the effects on the autonomic nervous system.	—

Countries

Japan

Contacts

Public ContactTadaaki Satou

International University of Health and Welfare Pharmaceutical Sciences

tsatou@iuhw.ac.jp0287-24-3591

Outcome results

None listed

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