EMA Accepts GSK's Filing for Expanded Use of RSV Vaccine Arexvy

Group 1: Regulatory Developments - GSK announced that the European Medicines Agency (EMA) has accepted the regulatory application for the expanded use of its RSV vaccine, Arexvy, for adults aged 18 years and above, with a final decision expected in the first half of 2026 [1] - Arexvy is currently approved for individuals aged 60 years and above and high-risk individuals aged 50-59 years [2][7] Group 2: Sales Performance - Arexvy generated sales of £78 million in the first quarter of 2025, reflecting a 57% year-over-year decline due to lower demand in the United States [8][7] - Year to date, GSK shares have risen 20.8%, contrasting with a 0.6% decline in the industry [4] Group 3: Market Context - Other RSV vaccine makers include Pfizer's Abrysvo, which is approved for individuals aged 60 years and above and high-risk adults aged 18-59 years [9] - Moderna's RSV vaccine, mResvia, was approved for older adults and is also being expanded for high-risk adults aged 18-59 years [11] - The overall RSV vaccine market has seen weak sales for the 2024-2025 vaccination season, attributed to restrictive recommendations from the U.S. CDC [12]