Efficacy and mechanisms of traditional Chinese medicine for COVID-19: a systematic review

  • Xiaomin Kang
  • , De Jin
  • , Linlin Jiang
  • , Yuqing Zhang
  • , Yuehong Zhang
  • , Xuedong An
  • , Liyun Duan
  • , Cunqing Yang
  • , Rongrong Zhou
  • , Yingying Duan
  • , Yuting Sun
  • , Fengmei Lian

Research output: Journal PublicationReview articlepeer-review

59 Citations (Scopus)

Abstract

Since the outbreak of coronavirus disease 2019 (COVID-19), traditional Chinese medicine (TCM) has made an important contribution to the prevention and control of the epidemic. This review aimed to evaluate the efficacy and explore the mechanisms of TCM for COVID-19. We systematically searched 7 databases from their inception up to July 21, 2021, to distinguish randomized controlled trials (RCTs), cohort studies (CSs), and case–control studies (CCSs) of TCM for COVID-19. Two reviewers independently completed the screening of literature, extraction of data, and quality assessment of included studies. Meta-analysis was performed using Review Manager 5.4 software. Eventually, 29 RCTs involving 3060 patients and 28 retrospective studies (RSs) involving 12,460 patients were included. The meta-analysis demonstrated that TCM could decrease the proportion of patients progressing to severe cases by 55% and the mortality rate of severe or critical patients by 49%. Moreover, TCM could relieve clinical symptoms, curtail the length of hospital stay, improve laboratory indicators, and so on. In addition, we consulted the literature and obtained 149 components of Chinese medicinal herbs that could stably bind to antiviral targets or anti-inflammatory or immune-regulating targets by the prediction of molecular docking. It suggested that the mechanisms involved anti-virus, anti-inflammation, and regulation of immunity. Our study made a systematic review on the efficacy of TCM for COVID-19 and discussed the possible mechanisms, which provided clinical reference and theoretical basis for further research on the mechanism of TCM for COVID-19.

Original languageEnglish
Article number30
JournalChinese Medicine (United Kingdom)
Volume17
Issue number1
DOIs
Publication statusPublished - Dec 2022
Externally publishedYes

Free Keywords

  • Coronavirus disease 2019
  • COVID-19
  • Efficacy
  • Mechanism
  • Systematic review
  • Traditional Chinese medicine

ASJC Scopus subject areas

  • Pharmacology
  • Complementary and alternative medicine

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