The Impact of Infliximab on Hyperinflammation State in Hospitalized COVID-19 Patients: A Retrospective Study

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Background and Objectives: Elevated levels of pro-inflammatory cytokines have been linked to increased mortality in COVID-19 patients. Infliximab, a tumor necrosis factor inhibitor, has been reported to improve outcomes in COVID-19 patients by targeting the hyperinflammatory response. Our objective was to evaluate the effectiveness of incorporating Infliximab into standard care guidelines for the management of COVID-19. Materials and Methods: A retrospective analysis was conducted on 111 participants who were moderate to severe COVID-19 patients admitted to the hospital. Among them, 74 individuals received solely standard treatment, while 37 received standard therapy plus Infliximab. The primary outcomes of the study centered around the changes in laboratory test parameters. The secondary clinical findings included clinical recovery defined as improvement in patient oxygenation, time till recovery, and assessing necessity for ICU admission, and mortality rates. Results: There was no statistical difference observed in the inflammatory markers including, LDH, Ferritin, CRP, neutrophil to lymphocyte ratio (NLR), and P/F ratio between both groups and in the clinical outcomes including clinical recovery (p = 1.0), time to improvement (p = 0.436), and mortality rate (p = 0.601). However, there was a significant increase in secondary infection (45.9%, 20.3%; p = 0.005), and in liver enzymes, ALT (79.5, 50.0 IU/L; p = 0.02) and AST (57.5, 38.0 IU/L; p = 0.019) in the Infliximab group and the standard care group, respectively. Conclusions: Infliximab therapy did not demonstrate significant benefits compared to standard of care in moderate to severe hospitalized COVID-19 patients.

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