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J Korean Med Sci. 2012 Dec;27(12):1472-8. doi: 10.3346/jkms.2012.27.12.1472. Epub 2012 Dec 7.

Preventive effect of Korean red ginseng for acute respiratory illness: a randomized and double-blind clinical trial.

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1
Department of Internal Medicine, Chonbuk National University Medical School, Jeonju, Korea. lcsmd@jbnu.ac.kr

Abstract

Korean Red Ginseng (KRG) is a functional food and has been well known for keeping good health due to its anti-fatigue and immunomodulating activities. However, there is no data on Korean red ginseng for its preventive activity against acute respiratory illness (ARI). The study was conducted in a randomized, double-blinded, placebo-controlled trial in healthy volunteers (Clinical Trial Number: NCT01478009). Our primary efficacy end point was the number of ARI reported and secondary efficacy end point was severity of symptoms, number of symptoms, and duration of ARI. A total of 100 volunteers were enrolled in the study. Fewer subjects in the KRG group reported contracting at least 1 ARI than in the placebo group (12 [24.5%] vs 22 [44.9%], P = 0.034), the difference was statistically significant between the two groups. The symptom duration of the subjects who experienced the ARI, was similar between the two groups (KRG vs placebo; 5.2 ± 2.3 vs 6.3 ± 5.0, P = 0.475). The symptom scores were low tendency in KRG group (KRG vs placebo; 9.5 ± 4.5 vs 17.6 ± 23.1, P = 0.241). The study suggests that KRG may be effective in protecting subjects from contracting ARI, and may have the tendency to decrease the duration and scores of ARI symptoms.

KEYWORDS:

Ginseng; Influenza; Prevention and Control; Safety; Symptom Duration

PMID:
23255845
PMCID:
PMC3524425
DOI:
10.3346/jkms.2012.27.12.1472
[Indexed for MEDLINE]
Free PMC Article
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