Dupixent's sBLA Accepted for FDA Priority Review: A Game Changer for Bullous Pemphigoid Treatment
Marcus LeeTuesday, Feb 18, 2025 1:24 am ET

Dupixent (dupilumab), a key product for Regeneron Pharmaceuticals, Inc. (REGN), has received a significant boost with the acceptance of its supplemental Biologics License Application (sBLA) for FDA priority review in the targeted treatment of bullous pemphigoid (BP). This development could potentially transform the autoimmune disease market and strengthen Regeneron's competitive position. Let's delve into the implications of this news and explore the potential market size and revenue opportunity for Dupixent in the treatment of BP.
Dupixent, a fully human monoclonal antibody, is already approved for treating atopic dermatitis and asthma in adults and pediatrics. Its success in these indications has made it a crucial driver of Regeneron's revenue, with $4.9 billion generated in 2024. The acceptance of Dupixent's sBLA for priority review in BP signals the FDA's recognition of the drug's potential in treating this rare, autoimmune blistering skin disorder.
The global market for autoimmune diseases is substantial, with a combined market size estimated to reach $100 billion by 2027. Bullous pemphigoid, while less common than other autoimmune diseases, affects a significant number of patients worldwide. The prevalence of BP is estimated to be around 1.5 to 2.5 per 100,000 people, with a higher incidence in the elderly population. The market size for BP treatment is not explicitly stated in the provided information, but the potential for Dupixent in this indication is significant.
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