Sobi announced that the U.S. Food and Drug Administration approved Gamifant (emapalumab-lzsg) for the treatment of adult and pediatric (newborn and older) patients with hemophagocytic lymphohistiocytosis (HLH)/macrophage activation syndrome (MAS) in known or suspected Still's disease, including systemic Juvenile Idiopathic Arthritis (sJIA), with an inadequate response or intolerance to glucocorticoids, or with recurrent MAS.
Macrophage activation syndrome, a form of HLH, is a severe complication of rheumatic diseases, occurring most frequently in Still's disease including systemic juvenile idiopathic arthritis and adult-onset Still's disease. Hemophagocytic lymphohistiocytosis/macrophage activation syndrome is a rare systemic disorder of interferon gamma (IFNy) driven hyperinflammation with common clinical manifestations such as high persistent fever, elevated ferritin, cytopenias, coagulopathies, and hepatosplenomegaly.
Gamifant, an interferon gamma (IFN?)-blocking antibody, is the first and only FDA approved treatment for adult and pediatric (newborn and older) patients with primary HLH with refractory, recurrent, or progressive disease or intolerance with conventional HLH therapy.
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Business News
May 22, 2026 14:46 ET Minutes of the latest Fed policy session was the highlight of the week along with survey data on the U.S. housing market. In Europe, survey data signaled the trends in the euro area private sector. Further, consumer price inflation data from the U.K. was in focus. In Asia, various economic indicators from China drew attention to the health of the economy.