Beneficial Effect of Corticosteroids in Preventing Mortality in Patients Receiving Tocilizumab to Treat Severe COVID-19 Illness

Link to article at PubMed

Int J Infect Dis. 2020 Oct 6:S1201-9712(20)32202-5. doi: 10.1016/j.ijid.2020.09.1486. Online ahead of print.


OBJECTIVES: To assess the characteristics and risk factors for mortality in patients with severe COVID-19 treated with tocilizumab (TCZ), alone or in combination with corticosteroids (CS).

METHODS: From March 17 to April 7, 2020, a real-world observational retrospective analysis of consecutive hospitalized adult patients receiving TCZ to treat severe COVID-19 was conducted at our 750-bed university hospital. The main outcome was all-cause in-hospital mortality.

RESULTS: A total of 1,092 COVID-19 patients were admitted during the study period. Of them, 186 (17%) were treated with TCZ, of which 129 (87.8%) in combination with CS. Of the total 186, 155 (83.3 %) patients were receiving non-invasive ventilation when TCZ was initiated. Mean time from symptoms onset and hospital admission to TCZ use was 12 (± 4.3) and 4.3 days (± 3.4), respectively. Overall, 147 (79%) survived and 39 (21%) died. By multivariate analysis, mortality was associated with older age (HR = 1.09, p < 0.001), chronic heart failure (HR = 4.4, p = 0.003), and chronic liver disease (HR = 4.69, p = 0.004). The use of CS, in combination with TCZ, was identified as protective factor against mortality (HR = 0.26, p < 0.001) in such severe COVID-19 patients receiving TCZ. No serious superinfections were observed after a 30-day follow-up.

CONCLUSIONS: In severe COVID-19 patients receiving TCZ due to systemic host-immune inflammatory response syndrome, the use of CS in addition to TCZ therapy, showed beneficial effect in preventing in-hospital mortality.

PMID:33035673 | PMC:PMC7537652 | DOI:10.1016/j.ijid.2020.09.1486

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