Vanda Pharmaceuticals Granted Orphan Designation for Imsidolimab for the Treatment of Generalized Pustular Psoriasis by the European Commission
WASHINGTON, Aug. 24, 2026 /PRNewswire/ -- Vanda Pharmaceuticals Inc. (Vanda) (Nasdaq: VNDA) today announced that its investigational drug imsidolimab has received Orphan Designation from the European Commission, based on the positive opinion received from the European Medicines Agency's (EMA) Committee for Orphan Medicinal Products (COMP), for the treatment of Generalized Pustular Psoriasis (GPP), which is a severe, chronic, and potentially life-threatening inflammatory skin disease driven by dysregulation in the interleukin-36 (IL-36) signaling pathway.1 The US Food and Drug Administration (FDA) and Japan's Ministry of Health, Labour and Welfare have previously granted Orphan Drug Designation to imsidolimab for the treatment of GPP. This marks the first time the European Commission has granted orphan designation recognition for a drug to treat GPP in the European Union (EU).