Peng et al. 146 IgG4-RD in remission on immunomodulators+GC. 18 month follow-up. Withdraw IM+GC - 52% flare. Withdraw GC + continue IM 14.2% flare. Continue both 12.2% flare. Clear message that ongoing IM is the way Abstr#L16 #ACR23 #ACRbest @RheumNow https://t.co/3CAQhyTYqq https://t.co/qr1GOSvJYg