Effects of Dingchuan Decoction on Lung Function and Clinical Effectiveness Rate in Children with Asthma: A Systematic Review and Meta-Analysis.

Complement Med Res

Department of Respiration, The Second Affiliated Hospital, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China.

Published: December 2021

Dingchuan decoction (DCD) is a traditional Chinese prescription for asthma that remains popular today. To systematically evaluate the effect of DCD on lung function, clinical effectiveness rate, and safety in children with asthma, significant databases were searched for randomized controlled trials from their inception to September 9, 2019. Randomized controlled trials assessing the effect of DCD on lung function and clinical effectiveness rate in children with asthma were included in this meta-analysis. The methodological quality of the included trials was assessed using the Cochrane risk of bias tool. RevMan 5.3 was used for data analysis. Fourteen studies with 1,384 children were reviewed. FEV1 improvement rate (mean difference [MD] 12.50, 95% confidence interval [CI] 8.72-16.29), PEF improvement rate (MD 14.28, 95% CI 11.08-17.49), and clinical effectiveness rate (relative risk 1.19, 95% CI 1.14-1.25) significantly increased in the DCD group when compared to simple conventional medication. Four trials suggest that DCD is safe for children. In conclusion, the use of DCD combined with conventional medication improves lung function and clinical effectiveness rate better than simple conventional medication. However, the selected trials lack blinding and large-scale studies. Therefore, to better manage DCD in clinical practice, more randomized controlled trials and large-scale studies are required for further evaluation.

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http://dx.doi.org/10.1159/000512669DOI Listing

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