“…It commonly affects the clavicle, sternum, and sternoclavicular and sternocostal joints. 1 PAO is treated by removal of focal infection, 2,3 non-steroidal anti-inflammatory drugs (NSAIDs), 4 cyclosporin, 5,6 apremilast, 7,8 methotrexate, sulfasalazine and/or biologics. 9,10 In Japan, guselkumab (GUS), an anti-interleukin-23p19 antibody, was approved for PPP in 2018.…”