Acute upper respiratory tract inflammation
Conditions
Interventions
Intervention period: 12 weeks Tea beverage A taken 3 times/day
Intervention period: 12 weeks Tea beverage B taken 3 times/day
Sponsors
Graduate School of Pharmaceutical Sciences, Osaka University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. male and female ages 20 over 2. Subjects who show understanding of the clinical study procedures and agreement with participating the study by written informed consent.
Exclusion criteria
Exclusion criteria: 1. Subjects who caught the flu in the period from 8 months prior to the date of consent up until 24 hours before the start of the study 2. Subjects who had a flu vaccine within eight months prior to the date of consent 3. Subjects who have an allergy to tea (green tea, black tea, oolong tea, barley tea and others) 4. Subjects who have severe disease in digestive organs, heart, lungs, liver, kidneys, respiratory organs 5. Pregnant or expected pregnant, or lactating women 6. Others who have been determined ineligible by investigator 7. Those who do not comply with the test plan
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of upper respiratory tract inflammation symptoms (including influenza) during test period | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. The days until onset of acute upper respiratory tract inflammation from intervention start 2. The days to recovery from acute upper respiratory tract inflammation 3. The frequency of occurrence of acute upper respiratory tract inflammation symptoms for the term of intervention 4. The occurrence of influenza infection by clinical diagnosis | — |
Countries
Japan
Contacts
Public ContactShinsaku Nakagawa
Osaka University Graduate School of Pharmaceutical Sciences
Outcome results
None listed