Nebulized Lidocaine in COVID-19, An Hypothesis

Med Hypotheses. 2020 Nov:144:109947. doi: 10.1016/j.mehy.2020.109947. Epub 2020 Jun 1.

Abstract

Coronavirus Diseases-2019 (COVID-19) has caused a large global outbreak and has been declared as a pandemic by the World Health Organization (WHO). It has been proposed that COVID-19-related hyperinflammation and dysregulated immune response might play a critical role in developing a cytokine storm which usually progresses to a life-threatening acute lung injury or acute respiratory distress syndrome in infected individuals. Lidocaine, a local analgesic and anti-arrhythmic, is known for its anti-inflammatory actions and has been used to reduce cough and improve respiratory symptoms in severe asthmatic patients. It has a demonstrated safety profile. It is proposed that nebulized lidocaine might be beneficial in reducing cytokines, protecting patients' lungs and improving outcomes in COVID-19 patients when administered via inhalation as an adjunctive treatment for severe respiratory symptoms in patients fighting the novel Coronavirus. Additional investigation is warranted.

Keywords: Anti-inflammatories; COVID-19; Cytokine-storm; Lidocaine; SARS-CoV-2.

MeSH terms

  • Administration, Inhalation
  • Anesthetics, Local / administration & dosage
  • Anti-Inflammatory Agents / administration & dosage
  • COVID-19 / complications
  • COVID-19 / immunology
  • COVID-19 Drug Treatment*
  • Cytokine Release Syndrome / drug therapy
  • Cytokine Release Syndrome / etiology
  • Cytokine Release Syndrome / immunology
  • Humans
  • Lidocaine / administration & dosage*
  • Models, Biological*
  • Nebulizers and Vaporizers
  • Pandemics
  • Respiratory Distress Syndrome / drug therapy
  • Respiratory Distress Syndrome / etiology
  • Respiratory Distress Syndrome / immunology

Substances

  • Anesthetics, Local
  • Anti-Inflammatory Agents
  • Lidocaine