Influenza Infection Clinical Trial
Official title:
Effects of Gargling With Green Tea on Preventing Influenza Infection Among High School Students: A Randomized Clinical Study
Experimental and clinical studies in adults have reported that green tea catechins prevent influenza infection. In this clinical randomized study, the investigators aimed to determine the effects of gargling with green tea on the prophylaxis of influenza infection among high school teenagers.
Influenza infection is the principal cause of acute respiratory illnesses and occurs in
epidemic or pandemic worldwide. It spreads easily among high school students and from them
to the rest of the community; therefore the prevention of influenza is very important.
Experimental studies have revealed that some components of green tea can prevent influenza
infection in vitro. In clinically, gargling with green tea catechins has been reported to
have possibilities to preventing influenza infection in adults; however, little clinical
evidence in teenagers has so far been existed. Based on this background, the investigators
designed a randomized study to evaluate the clinical efficacy of gargling with green tea in
preventing influenza infection among high school students.
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Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention
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