Regeneron, Sanofi Blockbuster Dupixent Scores FDA Nod For Rare Sinus Condition

• Regeneron Pharmaceuticals stock is facing resistance. Why are REGN shares declining?AFRS is a condition characterized by allergic hypersensitivity to fungi, which often leads to chronic sinus issues and surgery.The approval covers Dupixent for patients aged six years and older with a history of sino-nasal surgery.The approval is based on Phase 3 trial results that demonstrated Dupixent’s effectiveness in reducing nasal symptoms and the need for systemic corticosteroids or surgery compared to placebo.Dupi ...