Other Monoclonal Antibodies

Other Monoclonal Antibodes

Casirivimab, Imdevimab and Sotrovimab are US FDA approved recombinant neutralizing human IgG1 monoclonal antibodies that target the receptor binding domain of the spike protein of SARS-CoV-2. Whilst not yet evaluated and NICE approved in UK, they may become available for use in the near future; updates to follow.

COVID Sarilumab (IL-6 inhibitor)

COVID Sarilumab

(IL-6 inhibitor)

Definition

Invasive mechanical ventilation: any method of controlled ventilation delivered through a translaryngeal or tracheostomy tube, or other methods as defined by the Intensive Care National Audit & Research Centre definition of ‘advanced respiratory support’.

Conditional recommendation

Consider sarilumab for adults in hospital with COVID-19 only if tocilizumab cannot be used or is unavailable. Use the same eligibility criteria as those for tocilizumab. That is, if all of the following apply:
  • they are having or have completed a course of corticosteroids such as dexamethasone, unless they cannot have corticosteroids
  • they have not had another interleukin-6 inhibitor during this admission
  • there is no evidence of a bacterial or viral infection (other than SARS-CoV-2) that might be worsened by sarilumab.
And they either:
  • need supplemental oxygen and have a C-reactive protein level of 75 mg/litre or more, or
  • are within 48 hours of starting high-flow nasal oxygen, continuous positive airway pressure, non-invasive ventilation or invasive mechanical ventilation.
In April 2021, the marketing authorisations for sarilumab do not cover use in COVID-19. See NICE’s information on prescribing medicines for more about off-label and unlicensed use of medicines. The recommended dosage for sarilumab is a single dose of 400 mg by intravenous infusion. For sarilumab use in pregnancy, follow the Royal College of Obstetrics and Gynaecology guidance on coronavirus (COVID-19) infection and pregnancy. For full details of adverse events and contraindications, see the summaries of product characteristics. See NHS England’s Interim Clinical Commissioning Policy on sarilumab for critically ill patients with COVID-19 pneumonia (adults) for further information. COVID-19 rapid guideline: managing COVID-19 (NG191) © NICE 2021. All rights reserved. Subject to Notice of rights (https://www.nice.org.uk/terms-andconditions#notice-of-rights). Last updated 3 June 2021