Evaluation of the effect of the food product on daytime performance

Evaluation of the effect of the food product on daytime performance - Evaluation of the effect of the food product on daytime performance

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000044852

Enrollment

Registered

2021-07-13

Start date

2021-07-15

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 adults

Interventions

Placebo intake for 4 weeks - Washout period for 4 weeks - Food product intake for 4 weeks Food product intake for 4 weeks - Washout period for 4 weeks - Placebo intake for 4 weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Healthy adults between the ages of 40 and 59 (2) Subjects who are aware of impaired sleep quality

Exclusion criteria

Exclusion criteria: (1) Subjects with skin disorders on the face or head (2) Subjects have skin irritation due to application of 70 % ethanol (3) Subjects who use an artificial cardiac pacemaker (4) Subjects who are diagnosed with sleep disorders such as insomnia and sleep apnea syndrome (5) Subjects who take sleep improving medications (6) Smokers (7) Subjects with milk or soy allergies (8) Subjects with severe dry eye symptoms (9) Subjects participating in other clinical trials during the study period

Design outcomes

Primary

Measure	Time frame
Daytime performance (VAS questionnaires and electroencephalogram)	—

Secondary

Measure	Time frame
The relationship between daytime performance and stress response or sleep quality	—

Countries

Japan

Contacts

Public ContactKazunori Matsuda

Yakult Honsha Co., Ltd. Yakult Central Institute

kazunori-matsuda@yakult.co.jp042-577-8960

Outcome results

None listed

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