Effect of light effect on human body

JRCT ID: jRCT1070240004

Registered date:05/04/2024

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: Healthy volunteer
• Date of first enrollment: 01/04/2024
• Target sample size: 40
• Study type: Interventional
• Intervention(s): Evaluating cerebral hemodynamic response in an experimental room, under comparing the illuminance of 300lux and 9000lux

Outcome(s)

• Primary Outcome: Cerebral hemodynamic response

Secondary Outcome

1. Anthropometry
2. Physiology
3. Psychological tests

Key inclusion & exclusion criteria

• Age minimum: >= 20age old
• Age maximum: < 40age old
• Gender: Male

Include criteria

1. Age should be between 20 and 39
2. Participants should be healthy

Exclude criteria

(Exclusion criteria in terms of validation)
1. Drinking alcohol more than 3 days in the previous 2 weeks, or drinking more than 20g of alcohol in a day
2. Smoker
3. Having a medication record for sleeping pills (eg. ramelteon, suvorexant, or benzodiazepines) within 2 weeks
4. Having underlying health conditions
5. Having prescribed medication by hospitals
6. More than 3 days a week of waking up and acting between 10 p.m. and 5 a.m.

Related Information

• Primary Sponsor: Asakawa Akihiro