<prompt> Anakinra is a ?IL - 1 antagonistIL - 2 antagonistIL - 6 antagonistIL - 10 antagonist  <response>: Ans. is a i.e., IL-1 antagonist Anakinra is an IL-1 antagonist. It is used for some rare syndromes dependent on IL-1 production : Neonatal - onset inflammatory disease Muckle - Wells syndrome Familial cold uicaria Systemic juvenile - onset inflammatory ahritis RA 