Globenewswire·2026-02-24 14:30Core Insights - The FDA has approved Dupixent (dupilumab) as the first and only treatment for allergic fungal rhinosinusitis (AFRS) in patients aged 6 years and older with a history of sino-nasal surgery, marking a significant advancement in the treatment of this condition [2][3][4] Group 1: Approval and Indications - Dupixent is now approved for treating nine distinct diseases driven by type 2 inflammation, including sino-nasal, skin, gut, and respiratory system diseases [6] - The approval was based on the LIBERTY-AFRS-AIMS phase 3 study, which demonstrated significant improvements in sinus opacification scores and nasal symptoms compared to placebo [4][10] Group 2: Clinical Study Results - In the LIBERTY-AFRS-AIMS study, Dupixent improved sinus opacification scores by 50% compared to 10% for placebo at Week 52, with a significant reduction also observed at Week 24 [4][11] - Patient-reported nasal congestion improved by 67% at Week 24 and 81% at Week 52 compared to 25% and 11% for placebo, respectively [7][13] - Dupixent reduced the risk of systemic corticosteroid use and/or surgery by 92%, with only 3% of patients on Dupixent requiring systemic corticosteroids compared to 31% on placebo [13] Group 3: Safety Profile - The safety profile of Dupixent in the LIBERTY-AFRS-AIMS study was consistent with its known safety profile in chronic rhinosinusitis with nasal polyps (CRSwNP), with common adverse reactions including injection site reactions and conjunctivitis [8][9] Group 4: Market Impact and Future Plans - Dupixent's approval is expected to establish a new standard of care for patients with AFRS, addressing a high unmet need in the treatment landscape [9] - Sanofi and Regeneron plan to submit additional applications to regulatory authorities worldwide to expand access to Dupixent [9][17]