Yesterday at #EULAR2021: Spacing trial: success in taper anti-TNF for stable SpA. POS0229 C-OPTIMSE study: Certolizumab w/d for SpA remission (continue full dose vs. 1/2 dose vs. placebo). Placebo group had ⬆️ activity scores, 77% flared. Ok to taper, but won't stop Rx @Rheumnow