This medicine is now withdrawn from use in the European Union https://www.ema.europa.eu/medicines/human/EPAR/rilonacept-regeneron-previously-arcalyst 2012 false United Kingdom French English syndication feed Product containing rilonacept (medicinal product) orphan drug production rilonacept rilonacept recombinant fusion proteins recombinant fusion proteins drug approval drug labeling treatment outcome drug evaluation, preclinical drug compounding cryopyrin-associated periodic syndromes adult adolescent injections, subcutaneous drug interactions pregnancy breast feeding Interleukin-1alpha Interleukin-1beta rilonacept recombinant fusion proteins drug evaluation summary of product characteristics package leaflet