Systematic review: RX of macrophage activation syndr (MAS), included 57 reports, 1148 MAS pts (889 sJIA, 137 SLE). Most effective was high-dose GCs, IL-1 (83%) & IFNγ (93%) inhibitors, especially in sJIA-MAS. Also Ciclosporin, etoposide, Ruxolitinib https://t.co/4EnMOnlcYl https://t.co/PQnAZLvVwq