Anakinra (brand name Kineret) is a drug used to treat rheumatoid arthritis.[Anakinra is an interleukin-1 (IL-1) receptor antagonist. Anakinra blocks the biologic activity of naturally occurring IL-1, including inflammation and cartilage degradation associated with rheumatoid arthritis, by competitively inhibiting the binding of IL-1 to the Interleukin-1 type receptor, which is expressed in many tissues and organs. IL-1 is produced in response to inflammatory stimuli and mediates various physiologic responses, including inflammatory and immunologic reactions.
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