Efficacy of a Recombinant Humanized Anti-IL-6 Receptor Monoclonal Antibody Compared to Hemoperfusion in Severe COVID-19 Pneumonia: Ambispective Cohort Study
Abstract
Background: Coronavirus disease 2019 (COVID-19) is a newly emerging disease caused by the SARS-CoV-2 virus resulting in a global crisis. Activation of the cytokine cascades plays a crucial role in the pathophysiology of severe pneumonia caused by COVID-19. Several treatments targeting pro-inflammatory cytokines have been introduced, however, their efficacy remains controversial. We aimed to demonstrate the comparative efficacy between hemoperfusion and tocilizumab in the reduction of mortality from severe COVID-19 pneumonia. Method(s): A multicentered, ambispective study was conducted on adult patients who were diagnosed with COVID-19 pneumonia between January 1st, 2020, and December 31th, 2021. Clinical parameters including the specific therapy with hemoperfusion (Hemoadsorption cartridge, HA330 JACFRON) or tocilizumab were collected for analysis. Univariable and multivariable regression analyses were performed to determine the association between the specific therapy and the 28-day mortality. Result(s): A total of 92 patients with COVID-19 pneumonia were eligible for analyses (25 patients received hemoperfusion and 67 patients received tocilizumab). The 28-day mortality in the hemoperfusion and tocilizumab groups were 64.0% and 25.4% respectively (p=0.001). However, receiving Tocilizumab was not associated with mortality rate, compared to hemoperfusion in the multivariable analysis [OR 0.56 (95%CI 0.13 -2.39);p=0.428]. Receiving invasive mechanical ventilator (%), duration…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 92 participants or records.
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