Sanofi(US:SNY) 智通财经网·2025-09-04 09:23Core Viewpoint - Sanofi's experimental drug for atopic dermatitis, amlitelimab, has underperformed in late-stage trials, disappointing investors and leading to a pre-market stock drop of up to 9.3% [1]. Group 1: Drug Performance and Market Impact - Amlitelimab showed improvement in skin clearance and disease severity compared to placebo after 24 weeks of treatment, but the efficacy was still lower than Sanofi's best-selling drug, Dupixent [1]. - The stock has declined by 18% over the past 12 months, reflecting investor concerns about the drug's potential [1]. - Analysts believe the results of the amlitelimab trial are critical for Sanofi, especially given the uncertain future of another key drug, itepekimab [1]. Group 2: Future Projections and Comparisons - Dupixent is projected to generate over €21 billion (approximately $25 billion) annually at its peak, and Sanofi is actively seeking alternatives to replace it [3]. - Amlitelimab is expected to generate around €1.5 billion (approximately $1.75 billion) in annual revenue by 2031 [3]. - Amlitelimab has a dosing advantage, requiring administration every three months compared to Dupixent's more frequent dosing schedule [3]. Group 3: Additional Drug Development - The efficacy results of itepekimab, developed in collaboration with Regeneron, have shown contrasting outcomes in late-stage trials [4].