• The FDA has granted Orphan Drug Designation to NS-229, a selective JAK1 inhibitor being developed by NS Pharma for eosinophilic granulomatosis with polyangiitis (EGPA).
• NS-229 targets the JAK1 enzyme to regulate immune cell function and prevent tissue damage in EGPA, a rare autoimmune disease affecting between 5,600 and 14,500 Americans.
• The designation provides NS Pharma with seven years of market exclusivity, supporting the ongoing Phase 2 global clinical trial of the investigational therapy.