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Safety and Efficacy of Chinese Herbal Patent Medicines for COVID-19: an Umbrella Review
LI Bo, XU Liu, XIE Yuqing, WANG Yiying, DONG Shuai, LIAN Jie, LI Guodong, CAO Huijuan
2025, 22(2):
155-161.
DOI: 10.19803/j.1672-8629.20240011
Objective To summarize the current systematic review evidence for evaluating the efficacy and safety of Chinese herbal patent medicines (CHPMs) for the treatment of novel coronavirus pneumonia, assess the safety and efficacy of CHPMs as an intervention for the treatment of COVID-19, and to evaluate the quality of related evidence. Methods PubMed, Cochrane, Embase, Sinomed, China National Knowledge Infrastructure (CNKI), Wanfang database, and VIP were searched for systematic reviews of CHPMs in the treatment of COVID-19 that were published from the inception to June 15, 2023. Revman 5.3 software was used to conduct a secondary meta-analysis, AMSTAR-II was adopted to assess the methodological quality of articles, and the GRADE system was employed to evaluate the level of evidence before the results of evaluation were presented in the form of a bubble chart. Results Finally, 13 systematic reviews involving a total of 17 053 cases were included. Meta-analysis results showed that CHPMs combined with STs with Western medicine enjoyed advantages over STs with Western medicine alone in multiple outcome indicators, including the all-cause mortality (RR=0.26, 95%CI=0.09~0.81,P=0.02, I 2= 0%), viral clearance rate (RR=1.12, 95%CI=1.01~1.23, P=0.03, I 2= 44 %), rate of conversion to severe cases (RR=0.49, 95%CI=0.37~0.64, P<0.000 01, I 2= 0%), improvement in pulmonary imaging, clinical symptom recovery rate (including fever, cough, fatigue and shortness of breath) and recovery time of clinical symptoms (especially fatigue). There was no significant difference between the two groups in terms of adverse events or therapeutic efficacy against sore throat and diarrhea. Bubble chart results showed that there was extremely low-level evidence suggesting the effectiveness of Reyaning compounds. Jinhuaqinggan granules, Lianhuaqingwen granules, Shenhuag granules, Shufeng Jiedu capsules, Lianhuaqingwen capsules, Xuebijing injection, and Lianhuaqingke granules could make a big difference to nucleic acid conversion to negative, the incidence of severe cases, and to the recovery rate of pulmonary imaging, respectively. Conclusion CHPMs combined with conventional STs show better efficacy in treating novel coronavirus pneumonia compared to ST alone. However, the overall quality of evidence in these studies is generally low, and high-quality clinical trials are needed to validate these findings.
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