In the past half-century, scores of investigational drugs for lupus have seemingly failed in clinical trials. GSK’s Benlysta (belimumab) is unique in winning approval from the FDA and European regulatory authorities. Anifrolumab from AstraZeneca, which would be a first-in-class type I interferon inhibitor, is one of the most promising investigational drugs for treating systemic lupus…

A recent post hoc analysis from AstraZeneca (LON:AZN) found that the monoclonal antibody anifrolumab (Saphnelo) led to consistent improvements in skin rash and arthritis in patients with systemic lupus erythematosus (SLE), which is the most common lupus type. A pooled analysis of the Phase 3 TULIP-1 and TULIP-2 clinical trials investigating anifrolumab showed the drug led…