Influence of tea aroma on sleep and stress in asthmatic patients -cross-over study-

Influence of tea aroma on sleep and stress in asthmatic patients -cross-over study- - Influence of tea aroma on sleep and stress in asthmatic patients

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000052635

Enrollment

Registered

2023-11-01

Start date

2019-12-21

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Asthma

Interventions

During the first 2 weeks of Period I, the patients will be exposed to tea-scented water for 3 hours a day when they fall asleep using a diffuser. Placebo (water) will be diffused and volatilized when

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Patients diagnosed with bronchial asthma 2.Patients who have given written consent for the study

Exclusion criteria

Exclusion criteria: 1.Patients with tea allergy 2.Patients scheduled for hospitalization 3.Patients diagnosed with dementia 4.Patients currently participating in other clinical studies 5.Patients deemed inappropriate by the attending physician

Design outcomes

Primary

Measure	Time frame
Epwards drowsiness scale Athens Insomnia Scale Pittsburgh Sleep Scale microtag activity meter SCL30 SF-36 SDS salivary chromogranin	—

Secondary

Measure	Time frame
Asthma Control Test Feno	—

Countries

Japan

Contacts

Public ContactMiyuki Otsubo

Department of Nursing, Saga University School of Medicine Department of lifelong developmental nursing

tsubomi@cc.saga-u.ac.jp0952342559

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026