Does biologic therapy impact the development of PsA among patients with psoriasis?
Elana MeerJoseph F MerolaRobert FitzsimmonsThorvardur Jon LoveShiyu WangDaniel ShinYong ChenSharon XieHyon ChoiYuqing ZhangJose U ScherChristopher T RitchlinJoel M GelfandPhilip S HelliwellPublished in: Annals of the rheumatic diseases (2021)
In this retrospective cohort study, biologic use was associated with the development of PsA among patients with psoriasis. This may be related to confounding by indication and protopathic bias. Prospective studies are needed to address this important question.