Abst1830 #ACR21 @RheumNow d/c of TNFi in PsA/PSO: probability of d/c TNFi ⬆️ by 9.6% for each additional biologic trial. Former smoker &PsA duration correlated w/ discontinuation. most commonly reason for d/c TNFi was secondary failure (33%). infliximab had lower d/c rate https://t.co/BXd2ALX2qo