After bDMARD treatment for 1 year in AxSpA, the gut microbiota composition: ◦ more resembled controls ◦ Enrichment of Collinsella remained stable ◦ Depletion of some species in HLA-B27+ patients from baseline https://t.co/Mw4MToqFcQ Poddubnyy et al @ProftDr #ACR22 @RheumNow