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Efficacy and safety of Huazhi Rougan granule in the treatment of non-alcoholic Fatty liver: a systematic review and meta-analysis.

BACKGROUND
This study aims to systematically assess the effectiveness and safety of Huazhi Rougan granule in the treatment of non-alcoholic fatty liver.


METHODS
The PubMed, Cochrane Library, EMBASE, China National Knowledge Infrastructure (CNKI), WanFang databases, VIP databases, Chinese Biomedical Literature Database (SinoMed) were searched to identify the relevant randomized controlled trials, from the establishment of the database to June 7, 2020. The Cochrane risk of bias tool for assessing risk of bias was employed to evaluate the quality of the literatures included. Meta-analyses were performed using RevMan 5.3 software.


RESULTS
A total of 23 related literature were retrieved, 9 studies with 1,142 participants were included in the meta-analysis. The overall quality of evidence for this study is low. Meta-analysis results suggest that, Huazhi Rougan granule combined with conventional treatment was significantly superior to the silybin control group in the improvement of liver B-ultrasound, reduction of serological indexes, increase of highdensity lipoprotein and total clinical effective rate, which was statistically significant. The improvement of serum lipid parameters included ALT: (MD =-10.49, 95% CI: -17.09, -3.90, P<0.05), AST: (MD =-9.44, 95% CI: -14.62, -4.26, P<0.05), TC: (MD =-0.77, 95% CI: -0.94, -0.60, P<0.05), TG: (MD =-0.40, 95% CI: -0.56, -0.24, P<0.05). Reduce low-density lipoprotein cholesterol: (MD =-0.40, 95% CI: -0.56, -0.24, P<0.05). Clinical effective rate: (RR =1.25, 95% CI: 1.16, 1.36, P<0.05). Occurrence of adverse reactions: Of the 9 studies included, 5 reported adverse reactions, of which 3 reported no drug-related adverse reactions. Adverse reactions were reported in 2 cases, all of which were mild adverse reactions.


CONCLUSIONS
The clinical efficacy of Huazhi Rougan granule combined with conventional basic therapy in the treatment of non-alcoholic fatty liver may be better than that of conventional basic therapy combined with silybin, which may improve the B-ultrasonic grading effect of the liver and reduce the serum lipid parameters of the patients. it may improve the clinical symptoms of non-alcoholic fatty liver, and the incidence of adverse reactions is low, but the number of existing clinical studies is small and the quality is low, in order to further verify the above conclusions. More high-quality clinical RCT trials need to be carried out, and internationally recognized outcome indicators should be selected and uniformly included in the scoring criteria.