A Study to Evaluate the Efficacy, Safety and Pharmacokinetics of Emapalumab in Adult Patients With HLH

Study NI-0501-10 is an open-label, single arm, multicenter, Phase 2/3 interventional study. The study enrolls adult patients with hemophagocytic lymphohistiocytosis (HLH), specifically newly diagnosed patients with malignancy-associated HLH (M-HLH), and newly diagnosed or previously treated patients with non-malignancy-associated HLH.