Catechin Gargling for Influenza Infection

University of Shizuoka

Status: Completed

Conditions: Influenza Infection

Treatments: Drug: catechin extracts (health food)

Study type: Interventional

Funder types: Other

Identifiers

NCT00239213

CT2005002

Details and patient eligibility

About

The purpose of this study is to clarify the preventive effects of catechin gargling on the influenza infection.

Full description

In-vitro experimental studies have revealed that tea catechin extracts induce preventive effects on influenza infection. However, few studies have been conducted on the effects of tea gargling on influenza infection, and the clinical evidence is unclear. Also there have been no studies reported on the gargling effects with tea catechin extracts on the prevention of influenza infection.

Sex: All

Ages: 20 to 65 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• healthy volunteers
• aged 20 to 65 years old
• obtained written informed concent before participation
• inoculated with influenza vaccine before entering the study

Exclusion criteria

• other gargling except water during the study
• possessing tea allergy

Trial design

Primary purpose: Prevention

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind