Metabolic effect of berberine–silymarin association: A meta‐analysis of randomized, double‐blind, placebo‐controlled clinical trials
2019
Fogacci, Federica | Grassi, Davide | Rizzo, Manfredi | Cicero, Arrigo F.G.
The aim of this study is to assess the impact of a combination of berberine and silymarin on serum lipids and fasting plasma glucose (FPG) through a systematic review of literature and meta‐analysis of the available randomized, double‐blind, placebo‐controlled clinical trials (RCTs). A systematic literature search in SCOPUS, PubMed‐Medline, ISI Web of Science, and Google Scholar databases was conducted up to October 2, 2018, in order to identify RCTs assessing changes in plasma concentrations of total cholesterol (TC), triglycerides (TG), high‐density lipoprotein cholesterol (HDL‐C), low‐density lipoprotein cholesterol (LDL‐C) and FPG during treatment with berberine and silymarin in combination. Two review authors independently extracted data on study characteristics, methods, and outcomes. Quantitative data synthesis was performed using a random‐effects model. We identified five eligible RCTs, with 497 subjects overall included. Berberine and silymarin combination treatment exerted a positive effect on TC (mean difference [MD]: −25.3, 95% CI [−39.2, −11.4] mg/dl; p < 0.001), TG (MD: −28, 95% CI [−35.3, −20.6] mg/dl; p < 0.001), HDL‐C [MD: 6, 95% CI [3.2, 8.8] mg/dl; p < 0.001), LDL‐C (MD: −29.1, 95% CI [−39.7, −18.6] mg/dl; p < 0.001), and FPG (MD: −7.5, 95% CI [−13, −1.9] mg/dl; p = 0.008). The present findings suggest that the coadministration of berberine and silymarin is associated with an advantageous improvement in lipid and glucose profile, suggesting the possible use of this nutraceutical combination in order to promote the cardiometabolic health.
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