German SpA Inception Cohort analyses: TNFi assc w/ ⬇️ sacroiliitis and spinal dz progression in axSpA pts, but the effect is evident starting between 2 and 4 years post tx induction. #EULAR2021 Abstracts #OP0137 & #OP0139 @RheumNow https://t.co/uR9rug6zqI https://t.co/xF3wcxm4cf https://t.co/lEsUvOSJ6K