GSK announces that the FDA has agreed to review its application to expand the indication for Arexvy, its vaccine against respiratory syncytial virus (RSV), to adults aged 18 to 49 years at increased risk.

This vaccine is currently approved in the United States to prevent lower respiratory tract infections caused by RSV in adults aged 60 and older, as well as in adults aged 50 to 59 who are at high risk.

This submission is based on a Phase IIIb study showing an immune response and safety profile comparable to those seen in older adults. GSK notes that a regulatory decision from the FDA is expected in H1 2026.

In addition, the group is continuing its efforts to expand the indications for Arexvy in other regions, including Europe and Japan.


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