Monoclonal antibody blocking the type I interferon receptor

Anifrolumab (أنيفرولوماب)

Anifrolumab is a biologic medicine added to usual treatment for adults with moderate to severe active systemic lupus erythematosus. It is given as a drip into a vein in clinic and increases the risk of infection, especially shingles and chest infections.

This medicine is used under close medical supervision, usually by a specialist. Never start, stop or change it without your doctor.

What it is used for

  • Add-on treatment for active systemic lupus erythematosus despite usual treatment
  • Reducing flares and the need for steroids

How it is used

  • It is given as a drip into a vein by a nurse or doctor at regular intervals set by your doctor
  • Continue your other lupus medicines as prescribed
  • Attend regular check-ups and tests

Possible side effects

  • Nose and throat infections and bronchitis
  • Shingles
  • Infusion reactions such as headache and nausea
  • Cough
  • Allergic reactions

Who should not use it

  • Allergy to anifrolumab or any of its ingredients

Before and while using it

  • Tell your doctor about fever or any signs of infection; treatment is not started during a serious active infection
  • Report a painful blistering rash on one side of the body, which may be shingles
  • You are checked for tuberculosis before treatment, and live vaccines are avoided
  • It has not been studied in severe active lupus nephritis or severe lupus of the nervous system

Medicine interactions

  • Do not combine it with other biologic lupus medicines such as belimumab
  • Live vaccines

Pregnancy and breastfeeding

  • Information is limited; it is avoided in pregnancy unless your doctor decides the benefit is greater, so tell them if you plan a pregnancy
  • Ask your doctor if you are breastfeeding

How to store it

  • It is kept in the fridge and prepared in hospital

Get medical help straight away if

  • Your face, lips or tongue swell, or you find it hard to breathe.
  • You get a severe rash, blistering or peeling skin.
  • A side effect worries you or doesn’t go away: contact your doctor or pharmacist.

Questions about this medicine?

Talk to a doctor by video, or send your question by text.

Source: Standard international medicine references

This guide is general information and doesn’t replace advice from your doctor or pharmacist. Don’t start, stop or change a medicine without asking them, and always read the leaflet in the pack.