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J Immunother Cancer ; 8(2)2020 08.
Article in English | MEDLINE | ID: covidwho-713881

ABSTRACT

BACKGROUND: The inflammatory pathology observed in severe COVID-19 disease caused by the 2019 novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is characterized by elevated serum levels of C reactive protein (CRP) and cytokines, including interferon gamma, interleukin 8 (IL-8), and interleukin 6 (IL-6). Initial reports from the outbreak in Italy, China and the USA have provided anecdotal evidence of improved outcomes with the administration of anti-IL-6 agents, and large-scale trials evaluating these therapies are ongoing. STUDY DESCRIPTION: In this retrospective case series, clinical outcomes and correlates of response to treatment with the IL-6 receptor antagonist sarilumab are described for 15 patients with COVID-19 from a single institution in Southern Italy. Among 10 patients whose symptoms improved after sarilumab treatment, rapid decreases in CRP levels corresponded with clinical improvement. Lower levels of IL-6 at baseline as well as lower neutrophil to lymphocyte ratio as compared with patients whose COVID-19 did not improve with treatment were associated with sarilumab-responsive disease. CONCLUSIONS: This observation may reflect a possible clinical benefit regarding early intervention with IL-6-modulatory therapies for COVID-19 and that CRP could be a potential biomarker of response to treatment.


Subject(s)
Antibodies, Monoclonal, Humanized/therapeutic use , Biomarkers, Pharmacological/blood , Coronavirus Infections/drug therapy , Interleukin-6/blood , Pneumonia, Viral/drug therapy , Aged , Antiviral Agents/therapeutic use , COVID-19 , Coronavirus Infections/complications , Coronavirus Infections/diagnostic imaging , Female , Humans , Italy , Lymphocyte Count , Male , Middle Aged , Neutrophils , Pandemics , Pneumonia, Viral/complications , Pneumonia, Viral/diagnostic imaging , Receptors, Interleukin-6/antagonists & inhibitors , Retrospective Studies , Treatment Outcome
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