Arexvy is accepted under Priority Review in US for the prevention of RSV disease in adults aged 50-59 at increased risk
GSK plc announced that the FDA has accepted under priority review an application to extend the indication of GSK’s adjuvanted respiratory syncytial virus (RSV) vaccine to adults aged 50-59 who are at increased risk for RSV disease
If approved, GSK’s RSV vaccine would be the first vaccine available to help protect this population. Arexvy is currently approved in the US in adults aged 60 and over for the prevention of lower respiratory tract disease (LRTD) caused by RSV.
The application is supported by positive results from a phase III trial [NCT05590403]4 evaluating the immune response and safety of GSK’s RSV vaccine in adults aged 50-59, including those at increased risk for RSV-LRTD due to underlying medical conditions.
GSK used a Priority Review Voucher to reduce the US FDA review period of a supplemental Biologics License Application (sBLA) by four months. The Prescription Drug User Fee Act date, the FDA action date for their regulatory decision, is 7 June 2024.
The burden of RSV disease in adults is likely to be underestimated due to lack of awareness, a lack of standardised testing, and under-detection in surveillance studies. People with underlying medical conditions, such as chronic obstructive pulmonary disease (COPD), asthma, chronic heart failure6 and diabetes, are at increased risk for RSV disease. RSV can exacerbate these conditions and lead to pneumonia, hospitalisation, or death.
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