| Active, not recruiting | 3 | 41 | Europe, Canada, Japan, US, RoW | Emapalumab, NI-0501, emapalumab-lzsg, ATC code: L04AA39 (WHO) | Swedish Orphan Biovitrum | Macrophage Activation Syndrome, Secondary Hemophagocytic Lymphohistiocytosis, Still Disease, Systemic Lupus Erythematosus, SJIA, AOSD, MAS | 06/24 | 09/25 | | |