P265 Burden of psoriatic nail disease and response to biologic therapy in a PsA cohort

Background Psoriatic nail disease is one of the six disease manifestations of psoriatic arthritis (PsA) in addition to peripheral arthritis, psoriasis, enthesitis, dactylitis and axial disease. Nail pitting is associated with an increased risk of developing PsA and onycholysis is associated with radiographic damage at the distal interphalangeal joints. Quantitative assessment of psoriatic nail disease is rarely performed in clinical practice...