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Vol. 17. Issue 10.
Pages 559-561 (December 2021)
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Vol. 17. Issue 10.
Pages 559-561 (December 2021)
Special Article
Anakinra as a potential alternative in the treatment of severe acute respiratory infection associated with SARS-CoV-2 refractory to tocilizumab
Anakinra, una alternativa potencial en el tratamiento de la infección respiratoria grave por SARS-CoV-2 refractaria a tocilizumab
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Luis Figuero-Péreza,b,
,
, Alejandro Olivares-Hernándeza,b,, Roberto A. Escala-Cornejob,c, Eduardo Terán-Bragea,b, Álvaro López-Gutiérreza,b, Juan J. Cruz-Hernándeza,b
a Servicio de Oncología Médica, Complejo Universitario de Salamanca, Salamanca, Spain
b Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
c Servicio de Oncología Médica, Complejo Universitario de Ávila, Ávila, Spain
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Table 1. Patient's analytical values during hospital admission.
Abstract

SARS-CoV-2 is a new RNA virus which causes coronavirus disease 2019 (COVID-19), declared a pandemic by the World Health Organization (WHO). It triggers an atypical pneumonia that can progress to multiorgan failure. COVID-19 can cause dysregulation of the immune system, triggering an inflammatory response, and simulate haemophagocytic lymphohistiocytosis. Several studies have proposed that anti-IL-6 receptor antibodies, such as tocilizumab, play an important role in the treatment of severe acute respiratory infection associated with SARS-CoV-2. However, the role of anti-IL-1 receptor antibodies, such as anakinra, in the treatment of COVID-19 has not been established.

We present a case report of a 51-year-old man diagnosed with severe respiratory infection associated with SARS-CoV-2 that was refractory to antiviral and anti-IL-6 treatment, with a favourable clinical outcome and analytical improvement after treatment with anti-IL-1 (anakinra).

Keywords:
Anakinra
SARS-CoV-2
Cytokine storm
Tocilizumab
Resumen

El virus SARS-CoV-2 es un nuevo virus RNA causante de la enfermedad COVID-19, declarada como pandemia por la Organización Mundial de la Salud (OMS). Produce un cuadro de neumonía atípica que puede desembocar en un fallo multiorgánico. La desregulación del sistema inmune secundaria a la infección produce un cuadro similar al síndrome de linfohistiocitosis hemofagocítica (SLHH). Varios estudios han definido la importancia que los inhibidores de la IL-6 (Tocilizumab) tienen en el tratamiento de la infección por SARS-CoV-2, sin embargo, la indicación de tratamiento con inhibidores de IL-1 (anakinra) no se encuentra establecida de forma clara.

Presentamos el caso de un paciente de 51 años con neumonía bilateral secundaria a infección por SARS-CoV-2 refractaria al tratamiento antiviral y anti-IL-6 que presentó mejoría clínica y analítica tras el tratamiento con anti-IL-1 (anakinra).

Palabras clave:
Anakinra
SARS-CoV-2
Tormenta de citoquinas
Tocilizumab

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