• Mario Fernández-Ruiz, Francisco López-Medrano, Octavio Carretero, Patricia Parra, Tamara Ruiz-Merlo, José María Aguado, and H12O Immunomodulation Therapy for COVID-19 Group.
• Unit of Infectious Diseases, Hospital Universitario "12 de Octubre", Instituto de Investigación Sanitaria Hospital "12 de Octubre" (imas12), Madrid, Spain; Department of Medicine, School of Medicine, Universidad Complutense, Madrid, Spain. Electronic address: mario_fdezruiz@yahoo.es.
• Med Clin (Barc). 2022 Jun 24; 158 (12): 608612608-612.

BackgroundThe effect of immunomodulatory therapy with tocilizumab for coronavirus disease 2019 (COVID-19) in real-life clinical practice remains controversial.MethodsSingle-center retrospective matched cohort analysis including 47 consecutive patients treated with intravenous tocilizumab for severe COVID-19 pneumonia ("TCZ group"), matched by age, comorbidities, time from symptoms onset and baseline SpO2/FiO2 ratio with 47 patients receiving standard of care alone ("SoC group").ResultsThere were no significant differences between the TCZ and SoC groups in the rate of clinical improvement (hospital discharge and/or a decrease of ≥2 points on a six-point ordinal scale) by day 7 (51.1% [24/47] versus 48.9% [23/47]; P-value=1.000). No differences were observed at day 14 in terms of clinical improvement (72.3% versus 76.6%; P-value=0.791), all-cause mortality (10.6% versus 12.8%; P-value=1.000), and the composite of invasive mechanical ventilation and/or death (25.5% versus 23.4%; P-value=1.000) either. Patients in the TCZ group had a more rapid normalization of C-reactive protein levels.ConclusionsNo apparent benefit was observed in patients with severe COVID-19 treated with tocilizumab as compared to a matched retrospective cohort.Copyright © 2021 Elsevier España, S.L.U. All rights reserved.

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