Do biologics work in relapsing polychondritis? French cohort of 41 pts use 105 biologics (TNFi=60; TCZ 17; anakinra 15; RTX 7; ABA6). While 63% resp in 1st 6 mos (on pred!), a complete response rate was 19%. Steroid sparing variable, high infx rates. https://t.co/knZqEAw9mb