POS0277: proof of concept: Prophlx with canakinumab x 1 dose rather than steroids/colch/NSAIDS when starting pegloticase with MTX in pts with active, refractory gout: 11 pts: #gout flares 0 (compared 54% in MIRROR-C), infusion rxn 0, no safety signal @rheumnow https://t.co/4qFnQTOuq0