Provided herein are stable formulations comprising a chimeric cytokine protein (e.g., an IL-1β/IL-1Ra chimeric cytokine protein, e.g., P05) in a blow-fill-seal (BFS) container, and methods of producing chimeric cytokine protein formulations in BFS containers such that the formulations retain stability.本文中提供於吹氣成型充填密封(BFS)容器內穩定的配方,該配方包含一種嵌合型細胞激素蛋白質(譬如,一種IL-1β/IL-1Ra嵌合型細胞激素蛋白質,例如P05),以及生產BFS容器內嵌合型細胞激素蛋白質之方法,以使得該配方保留穩定性。210‧‧‧步驟220‧‧‧步驟230‧‧‧步驟240‧‧‧步驟