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Tocilizumab treatment in COVID‐19: A single center experience

Open access
Luo, Pan, Liu, Yi, Qiu, Lin, Liu, Xiulan, Liu, Dong, Li, Juan·2020·Journal of Medical Virology

Abstract

Tocilizumab (TCZ), a monoclonal antibody against interleukin‐6 (IL‐6), emerged as an alternative treatment for COVID‐19 patients with a risk of cytokine storms recently. In the present study, we aimed to discuss the treatment response of TCZ therapy in COVID‐19 infected patients. The demographic, treatment, laboratory parameters of C‐reactive protein (CRP) and IL‐6 before and after TCZ therapy and clinical outcome in the 15 COVID‐19 patients were retrospectively assessed. Totally 15 patients with COVID‐19 were included in this study. Two of them were moderately ill, six were seriously ill and seven were critically ill. The TCZ was used in combination with methylprednisolone in eight patients. Five patients received the TCZ administration twice or more. Although TCZ treatment ameliorated the increased CRP in all patients rapidly, for the four critically ill patients who received an only single dose of TCZ, three of them (No. 1, 2, and 3) still dead and the CRP level in the rest one patient (No. 7) failed to return to normal range with a clinical outcome of disease aggravation. Serum IL‐6 level tended to further spiked firstly and then decreased after TCZ therapy in 10 patients. A persistent and dramatic increase of IL‐6 was observed in these four patients who failed treatment. TCZ appears to be an effective treatment option in COVID‐19 patients with a risk of cytokine storms. And for these critically ill patients with elevated IL‐6, the repeated dose of the TCZ is recommended.

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Metadata

Authors
Luo, P., Liu, Y., Qiu, L., Liu, X., Liu, D., & Li, J.
Venue
Journal of Medical Virology
Publisher
Wiley
Published
2020-04-15
Volume
92
Issue
7
Pages
814-818
ISSN
  • 0146-6615 (ISSN-L)
  • 1096-9071
OpenAlex
W3014333693
Cited by
1,237
References
3
FWCI
35.91
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Tocilizumab treatment in COVID‐19: A single center experience. https://app.cochat.ai/papers/10.1002/jmv.25801
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Luo, P., Liu, Y., Qiu, L., Liu, X., Liu, D., & Li, J. (2020). Tocilizumab treatment in COVID‐19: A single center experience. Journal of Medical Virology. https://doi.org/10.1002/jmv.25801

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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