Effects of Tea ingestion on COVID-19

JRCT ID: jRCT1050220067

Registered date:26/07/2022

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: SARS-CoV2 Infection
• Date of first enrollment: 26/07/2022
• Target sample size: 60
• Study type: Interventional

Intervention(s)

Subjects who give informed consent receive one of the following test beverage (#1 to 3) according to the classification.
#1 Green tea: "Ohi Ocha Koi Cha 600 mL (ITO EN. LTD.), 2 bottles per day (for 4 days).
#2 Black tea: "TEAS' TEA darjiling straight 285 mL (ITO EN. LTD.), 4 bottles per day (for 4 days).
#3 Barley tea: "Kenko Mineral Mugicha 600 mL (ITO EN. LTD.), 2 bottles per day (for 4 days).#1 Green tea: "Ohi Ocha Koi Cha 600 mL (ITO EN. LTD.), 2 bottles per day (for 4 days).

Outcome(s)

• Primary Outcome: Change in symptoms (body temperature, SpO2, complaints)
• Secondary Outcome: Change in viral RNA quantity in nasopharyngeal swab.

Key inclusion & exclusion criteria

• Age minimum: >= 20age old
• Age maximum: <= 75age old
• Gender: Both

Include criteria

1 Patients who test positive for SARS-CoV2 by PCR or antigen quantification (including both inpatients and outpatients).
2 Patietns who give written consent for enrollment in the study (including both male and femail).
3 Patients aged 20 to 75 at the time of the informed consent.

Exclude criteria

1 Patients who are diagnosed as having a decline in cognitive ability by a doctor.
2 Patients who are made ineligible for the study by a doctor.

Related Information

• Primary Sponsor: Mazda Osam
• Secondary Sponsor: Inaba Tohru,ITO EN. LTD.