Stable liquid IL-1 antagonist formulations

摘要

Formulations of an interleukin-1 (IL-1) antagonist are provided including a pre-lyophilized formulation, a reconstituted lyophilized formulation, and a stable liquid formulation. Preferably, the IL-1 antagonist is an IL-1 trap composed of a dimer of two fusion proteins having an amino acid sequence of SEQ ID NO: 10. Stable liquid formulations made with and without sodium chloride, and made with phosphate or histidine buffer, are provided.