Abstract:Background: Early observational studies suggested that tocilizumab might produce clinical improvement in covid-19 patients leading to the use of tocilizumab. Early underpowered randomised controlled trials (RCTs) however did not show benefit until the most recent largest trial. RECOVERY trial. We aimed to compare the evidence from RCTs and observational studies of the effect of tocilizumab on in-hospital mortality in patients with covid-19. Materials and Methods: Embase and PubMed were searched from July 2020… Show more
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