• Feng Li, Yongqing Jiang, Bei Yue, and Lili Luan.
• Department of Infectious Diseases, Zhongshan Hospital of Xiamen University, Xiamen, Fujian Province, People's Republic of China.
• Medicine (Baltimore). 2021 Jul 30; 100 (30): e26641e26641.

BackgroundThis review aims to evaluate the supportive effects of frequently used traditional Chinese medicine (TCM) for the treatment of coronavirus disease 2019 (COVID-19).MethodsFive databases were searched through July 7, 2020. Randomized controlled trials investigating the efficacy of TCM for use in the treatment of COVID-19 were included. Newcastle-Ottawa Scale (NOS) and modified Jadad score were used for the evaluation of the methodological quality of the included studies. Weighted mean difference, odds ratio (OR), and 95% confidence interval (95% CI) were calculated for pooling out results. Data were extracted for conducting a meta-analysis using STATA version 12.0.ResultsEight studies with a total of 750 patients were included in this meta-analysis. All included trial groups involved treatment with TCM and Western medicine, while the control groups were treated only with Western medicine. The intervention therapy significantly improved the overall effective rate (n = 346, OR = 2.5, 95% CIs = 1.46-4.29), fever symptom disappearance rate (n = 436; OR = 3.6; 95% CIs = 2.13-6.08), fatigue symptom disappearance rate (n = 436; OR = 3.04; 95% CIs = 1.76-5.26), cough symptom disappearance rate (n = 436; OR = 2.91; 95% CIs = 1.36-6.19), and sputum production reduction (n = 436; OR = 5.51; 95% CIs = 1.94-15.64). Based on the Newcastle-Ottawa Scale assessment, 6 studies received a score of 4, and 1 study achieved a score of 5. One study was assessed using the modified Jadad score, achieving a score of 6.ConclusionsThe integration of TCM with Western medicine has significantly improved the treatment for COVID-19 patients compared to Western medicine treatment alone. Combined therapy using TCM and Western medicine revealed the potential adjunctive role of TCM in treating COVID-19. However, high-quality clinical studies are still required to further evaluate the efficacy and safety of TCM in the treatment of COVID-19.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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