Rilonacept (Arcalyst) for Recurrent Pericarditis

Date: 
September 6, 2021

Issue #: 

1632

Summary: 
Rilonacept (Arcalyst – Kiniksa), an interleukin-1 (IL-1)
antagonist that has been available for years for
treatment of cryopyrin-associated periodic syndromes,
has now been approved by the FDA for treatment
of recurrent pericarditis and prevention of further
recurrences in patients ≥12 years old. It is the first drug
to be approved in the US for this indication. Anakinra
(Kineret), an IL-1 receptor antagonist FDA-approved for
treatment of rheumatoid arthritis, has been used off-label
for years for treatment of recurrent pericarditis.