Galapagos GLPG3667 phase 2 hits topline in DM, but misses in SLE
Galapagos announced the topline results from 2 phase 2 studies evaluating the efficacy and safety of GLPG3667 (TYK2 inhibitor) in dermatomyositis (DM, GALARISSO study) and active systemic lupus erythematosus (SLE, GALACELA study). The GALARISSO study in DM met its primary endpoint showing a 14.26 delta on the TIS measure at 24 weeks, which compares favourably to brepocitinib (TYK2/JAK1 inhibitor) in our view. In the GALACELA study in SLE patients, primary endpoint at 32 weeks was not met, but final data at 48 weeks in 2Q26 will inform next steps. Galapagos will evaluate all strategic alternati...