A verification study of effectiveness to sleep and of influence on cognitive function of the black tea fragrance

A verification study of effectiveness to sleep and of influence on cognitive function of the black tea fragrance - A verification study of effectiveness to sleep and of influence on cognitive function of the black tea fragrance

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000032742

Enrollment

Registered

2018-05-30

Start date

2018-05-31

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

None listed

Interventions

During 4 weeks of first term, smell the fragrance of black tea for 3 hours a day at bedtime. Then visit the clinic, answer the QOL questionnaires, take the brain stress test and attend the walking mea

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Male and females aged over 40 years old who recognize by themselves that they can't sleep well physiologically. (For examples, subjects who can't fall in sleep within 30 min, subjects who have middle awakening and/or subjects who are short of sleeping time) (2) Subjects who don't dislike black tea. (3) Subjects who show understanding of the clinical study procedures and agreement with participating the study by written informed consent prior to the study.

Exclusion criteria

Exclusion criteria: (1)Subjects who have been determined ineligible by the investigator of this clinical test.

Design outcomes

Primary

Measure	Time frame
1. Evaluation of sleep : QOL questionnaire 2.Evaluation of cognitive function : Brain stress test, Walking measurement	—

Countries

Japan

Contacts

Public ContactMakoto Ichinohe

CPCC Company Limited Planning & Sales Department

cpcc-contact@cpcc.co.jp03-5297-3112

Outcome results