anakinra

noun

an·​a·​kin·​ra ˌa-nə-ˈkin-rə 

: a drug that blocks the activity of interleukin-1 and is administered as a subcutaneous injection chiefly in the treatment of rheumatoid arthritis

Note: Anakinra is a recombinant form of an endogenous antagonist of interleukin-1 receptor and is marketed under the trademark Kineret.