Study of biologic/ts DMARD switching in 8,398 axial spondyloarthritis pts from 5 Nordic registries showed a low rate of multiple switches (refractory?) over 3 years; ≥3 DMARDs (8%), ≥4 (3%) & ≥ 5 (1%); more w/ women, comorbiditiy & psoriasis https://t.co/ZQDvl6AaZz