By contrast, in one other meta-analysis [46] , the beneficial impact of tocilizumab on COVID-19 mortality did not reach statistical significance (RR of 0.62, 95% CI of 0.31–1.22), and data from these studies are conflicting.
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Subcutaneous tocilizumab in adults with severe and critical COVID-19: A prospective open-label uncontrolled multicenter trial.
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However, in the COVACTA trial, only a positive trend in the time to hospital discharge was observed in the tocilizumab group, and the trial did not meet the main endpoints of significant improvements in clinical status and survival rate.