Inhaled interferons beta and SARS-COV2 infection: a preliminary therapeutic perspective

Expert Rev Respir Med. 2021 Nov 18. doi: 10.1080/17476348.2022.2008910. Online ahead of print.


Introduction: SARS-COV2 infection represents a therapeutic challenge due to the limited number of effective therapies available and due the fact that it is not clear which host response in terms of inflammation pattern is the most predictive for an optimal (and rapid) recovery. Interferon β pathway is impaired in SARS-COV2 infection and this is associated with a bigger disease burden. Exogenous inhaled interferon might be beneficial in this setting.

Areas covered: nebulized interferon-β is currently investigated as a potential therapy for SARS-COV2 because the available data from a phase II study demonstrate that this medication is able to accelerate the recovery from disease.

Expert opinion: further clinical studies are needed in order to better document the efficacy of this therapy especially in severe forms of COVID-19, the optimal duration of therapy and if such a medication is appropriate for domiciliary use. Also combined regimens with antivirals or with compounds which are able to enhance the endogenous production of interferon might be of promise.

PMID:34793285 | DOI:10.1080/17476348.2022.2008910

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