The Effect of Ginseng (The Genus Panax) on Glycemic Control: A Systematic Review and Meta-Analysis of Randomized Controlled Clinical Trials

Esra' Shishtar, John L Sievenpiper, Vladimir Djedovic, Adrian I Cozma, Vanessa Ha, Viranda H Jayalath, David J A Jenkins, Sonia Blanco Meija, Russell J de Souza, Elena Jovanovski and Vladimir Vuksan

PLOS ONE, 2014, vol. 9, issue 9, 1-11

Abstract: Importance: Despite the widespread use of ginseng in the management of diabetes, supporting evidence of its anti-hyperglycemic efficacy is limited, necessitating the need for evidence-based recommendations for the potential inclusion of ginseng in diabetes management. Objective: To elucidate the effect of ginseng on glycemic control in a systematic review and meta-analysis of randomized controlled trials in people with and without diabetes. Data sources: MEDLINE, EMBASE, CINAHL and the Cochrane Library (through July 3, 2013). Study selection: Randomized controlled trials ≥30 days assessing the glycemic effects of ginseng in people with and without diabetes. Data extraction: Relevant data were extracted by 2 independent reviewers. Discrepancies were resolved by consensus. The Heyland Methodological Quality Score and the Cochrane risk of bias tool were used to assess study quality and risk of bias respectively. Data synthesis: Sixteen trials were included, in which 16 fasting blood glucose (n = 770), 10 fasting plasma insulin (n = 349), 9 glycated hemoglobin (n = 264), and 7 homeostasis model assessment of insulin resistance (n = 305) comparisons were reported. Ginseng significantly reduced fasting blood glucose compared to control (MD = −0.31 mmol/L [95% CI: −0.59 to −0.03], P = 0.03). Although there was no significant effect on fasting plasma insulin, glycated hemoglobin, or homeostasis model assessment of insulin resistance, a priori subgroup analyses did show significant reductions in glycated hemoglobin in parallel compared to crossover trials (MD = 0.22% [95%CI: 0.06 to 0.37], P = 0.01). Limitations: Most trials were of short duration (67% trials

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0107391

DOI: 10.1371/journal.pone.0107391

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