A placebo-controlled trial of Korean red ginseng extract for preventing influenza-like illness in healthy adults.

ABSTRACT:

Background

Standardized Korean red ginseng extract has become the best-selling influenza-like illness (ILI) remedy in Korea, yet much controversy regarding the efficacy of the Korean red ginseng (KRG) in reducing ILI incidence remains. The aim of the study is to assess the efficacy of the KRG extract on the ILI incidence in healthy adults.

Methods/design

We will conduct a randomized, double-blind, placebo-controlled study at the onset of the influenza seasons. A total of 100 subjects 30-70 years of age will be recruited from the general populations. The subjects will be instructed to take 9 capsules per day of either the KRG extract or a placebo for a period of 3 months. The primary outcome measure is to assess the frequency of ILI onset in participated subjects. Secondary v

SUBMITTER: Ha KC 

PROVIDER: S-EPMC3297520 | biostudies-literature | 2012 Feb

REPOSITORIES: biostudies-literature