Sanofi and Regeneron’s Dupixent to treat chronic spontaneous urticaria advances in EU with positive CHMP opinion Recommendation for adults and adolescents based on phase 3 studies showing Dupixent significantly reduced itch and hives at 24 weeks compared to placebo If approved, Dupixent would be the first targeted medicine in over a decade indicated for CSU in the EU Paris and Tarrytown, September 22, 2025. The European Medicines Agency’s Committee for Medicinal Products for Human Use (CHMP) has adopted a p ...