Macrophage activation syndrome

MAS · Immunology · 1 drugs · 1 indications

A form of secondary HLH triggered by autoimmune diseases (especially Still's disease/sJIA). Same hyperinflammatory cascade as HLH but in the context of an underlying rheumatic condition. Can be life-threatening. Think of it as HLH caused by an autoimmune trigger rather than genetic defect.
Competitive Landscape (1 drugs)
DrugCompanyMechanismModalityRouteStage
GamifantSOBIAnti-interferon-gamma monoclonal antibodyMonoclonal antibodyIVAPPROVED
Indications (1)
HLH/MAS in Still's disease
Gamifant APPROVED
Upcoming Catalysts
Gamifant - IFN-gamma-driven Sepsis - Ph2b/3 Design DiscussionCLINICAL
SOBI2026
Data from Supabase · Updated 2026-03-24