ArticleInfection and drug resistance2024
Using Tocilizumab in Hematologic Malignant Patients with Severe COVID-19 Infection - Case Series Report.
Article in Infection and drug resistance, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors at 2 institutions in 1 country.
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Abstract
Background: Patients with hematologic malignancies usually have severe immunodeficiency and are much more likely to be severe after COVID-19 infection. Tocilizumab is a monoclonal antibody of interleukin-6 (IL-6) and is recommended for treating severe conditions in the latest COVID-19 treatment guidelines. However, the efficacy and safety of tocilizumab in hematologic malignancy patients have yet to be clarified. We report five hematologic malignancy patients with severe COVID-19 infection who were all successfully recovered with tocilizumab treatment. Methods: We reported five hematologic malignant patients who developed severe COVID-19 infection and received tocilizumab at the First Affiliated Hospital of Zhejiang University School of Medicine during the COVID-19 pandemic in China from Dec 2022 to Mar 2023. We observed the effect of tocilizumab on COVID-19 infection and evaluated its safety. Results: Five hematologic malignancy patients with severe COVID-19 infection were retrospectively enrolled. The dosage of tocilizumab was 400-480mg once; one patient used a second dose of tocilizumab on the third day of medication. After receiving tocilizumab treatment, all five patients experienced a rapid decrease in body temperature and C-reactive protein (CRP) within 24 hours and improved oxygen requirement within one to three days (one patient did not experience hypoxia). Chest CT scans after one week showed absorption of lung infection. The serum IL-6 levels of three patients showed an initial increase followed by a decrease. None of the patients experienced grade 3-4 hematologic or non-hematologic toxicity. Conclusion: Tocilizumab can improve the outcome of severe COVID-19 infection in hematologic malignancy patients with severe immunodeficiency without severe adverse reactions.
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