A real-world study in Galicia showed nirsevimab reduced RSV-related hospitalizations by 85.9% in the first season and 55.3% in the second. The RSV prevention market is expanding to cover high-risk children, with Beyfortus the only antibody approved for second-season use. The FDA has cited Sanofi for misleading promotional claims about the product.
Sanofi announces leadership transition with CEO departure and interim appointment, while reporting key regulatory milestones including FDA Breakthrough Therapy designation for venglustat and expanded Dupixent approvals. The company advances an observational RSV study in Australia and outlines strategic initiatives in AI drug discovery and potential consumer healthcare spin-off.
A French cohort study found nirsevimab at birth reduces RSV-related hospitalizations in infants by 22% compared to maternal vaccination. UK data shows the maternal RSV vaccine provides over 80% protection when given at least four weeks before birth. Both strategies aim to protect vulnerable infants during their first months of life.
