Kiniksa announced Arcalyst (rilonacept) has been FDA-approved for the treatment of recurrent pericarditis. Rilonacept, an IL-1 inhibitor, also FDA approved for CAPS (Cryopyrin-Assoc Periodic Syndr) & DIRA (Defic IL-1 Recept Antag) https://t.co/erpiyuhsAv https://t.co/xp764WkWEI