Swapping is Better than Cycling in Psoriatic Arthritis A real-world cohort study suggests that psoriatic arthritis failing to respond to TNF inhibitors (TNFi) may do better if they subsequently swap to an IL-17 inhibitor (IL-17i), rather than cycling to another TNFi.… https://t.co/VREQCx8TfI https://t.co/ylzYPHhedi