Anakinra, sold under the brand name Kineret, is a biopharmaceutical medication used to treat rheumatoid arthritis, cryopyrin-associated periodic syndromes, familial Mediterranean fever, and Still's disease.[3] It is a slightly modified recombinant version of the human interleukin 1 receptor antagonist protein.[3] It is marketed by Swedish Orphan Biovitrum.[1] Anakinra is administered by subcutaneous injection.[2]