Effects of ginseng on C-reactive protein level: A systematic review and metaanalysis of clinical trials

Saboori, Somayeh and Falahi, Ebrahim and Yousefi Rad, Esmaeil and Asbaghi, Omid and Zeinali Khosroshahi, Mohammad (2019) Effects of ginseng on C-reactive protein level: A systematic review and metaanalysis of clinical trials. Complementary Therapies in Medicine.

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Abstract

Objective: The aim of this meta-analysis was to assess effects of ginseng supplementation on CRP/hs-CRP levels in clinical trial studies. Design: A systematic literature search was carried out for clinical trials published in ISI web of Science, Scopus, PubMed and Cochrane Library databases from the beginning to 16th February 2018. Of 83 articles found in the first step of the systematic search, seven studies with nine arms included in this meta-analysis. Results: Results of pooled random-effect size analysis of nine trials showed non-significant decreasing effects of ginseng supplementation on CRP level (WMD: −0.1mg/l, 95% CI, −0.26, 0.1; P=0.27) with significant heterogeneity shown within the studies. The subgroup analysis showed that ginseng supplementation could significantly reduce CRP level by 0.51 (95% CI: −0.68, −0.34; P < 0001, test for heterogeneity: P=0.44, I2=0.0%) in patients with a baseline serum CRP level of greater than 3mg/dl. Trial duration and dose of ginseng supplementation included no significant effects on CRP level in this meta-analysis. Conclusion: Results of the current meta-analysis study have shown that ginseng supplementation can decrease significantly serum CRP/hsCRP levels in patients with elevated serum level of this inflammatory marker.

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