Evaluation of the current therapeutic approaches for COVID-19: a meta-analysis
Abstract
Background and rationale
Limited data on the efficacy and safety of currently applied COVID-19 therapeutics and their impact on COVID-19 outcomes have raised additional concern.
Aim and Methods
We estimated the impact of the current treatments on the efficacy and safety of COVID-19 by a meta-analysis. The comprehensive search included studies reporting clinical features and treatment strategies published from January 21, 2020, to May 15, 2020.
Results
We included 52 studies that involved 13,966 COVID-19 patients. We found that the most prevalent treatments were antivirals (proportion: 0.74, 95% CI 1 : [0.65, 0.83]) and antibiotics (proportion: 0.73, 95% CI: [0.62, 0.83]). The COVID-19 severity increased among patients taking glucocorticoids (risk ratio (RR) 2 = 1.71, 95% CI: [1.06, 2.76]) or immunoglobulins (RR = 3.83, 95% CI: [1.27, 11.53]), and renal replacement therapy (RRT) and glucocorticoids increased the length of ICU stay (RRT 3 : RR = 11.89, 95% CI: [3.26, 43.39]; glucocorticoids: RR = 3.10, 95% CI: [1.52, 6.29]). The COVID-19 severity and mortality increased among patients taking tocilizumab (severity: F = 25.53, P = 0.02; mortality: F 4 = 19.37, P = 0.02). The most effective treatment was the combination of arbidol with lopinavir/ritonavir compared with placebo (mean difference = 0.5, 95% CI [-0.60, 1.66]), and the safest combination was remdesivir and lopinavir/ritonavir (RR = 0.78, 95% CI [0.32, 1.91]).
Conclusion
glucocorticoids, immunoglobulins, RRT, and tocilizumab might worsen COVID-19 outcomes, and themost effective and safest treatment strategy for COVID-19 is the combination of different antivirals.
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