The impact on human by nature

JRCT ID: jRCT1040210126

Registered date:09/01/2022

Basic Information

• Recruitment status: Pending
• Health condition(s) or Problem(s) studied: Healty person; Improvement of immune system
• Date of first enrollment: 24/01/2022
• Target sample size: 50
• Study type: Interventional
• Intervention(s): Air quality exposure in nature or indoor space

Outcome(s)

• Primary Outcome: the difference of the number or activity of immune cell between before and after exposure
• Secondary Outcome: the difference of the level of secreted cytokines between before and after exposure

Key inclusion & exclusion criteria

• Age minimum: >= 22age old
• Age maximum: < 65age old
• Gender: Both

Include criteria

1. A healthy person
2. Person with normal blood pressure

Exclude criteria

1. Those who have underlying illness
2. Those who take more than 200 mL of blood within 4 week
3. Those who is judged as an inappropiated person for tests by doctor

Related Information

• Primary Sponsor: Iwata Nakao
• Secondary Sponsor: Katahira Satoshi,Toyota motor corporation