Anifrolumab (original) (raw)

Anifrolumab, sold under the brand name Saphnelo, is a monoclonal antibody used for the treatment of systemic lupus erythematosus (SLE). It binds to the type I interferon receptor, blocking the activity of type I interferons such as interferon-α and interferon-β. Anifrolumab was approved for medical use in the United States in July 2021, and in the European Union in February 2022.