Passive approach shows promise in crowded infant RSV space

19 January 2021

The British medicines regulator has granted a Promising Innovative Medicine (PIM) designation to nirsevimab, a monoclonal antibody designed to immunize unborn babies via maternal administration.

The biologic is being investigated by AstraZeneca (LSE: AZN) and Sanofi (Euronext: SAN).

In July 2020, results published in the New England Journal of Medicine (NEJM) showed that the novel kind of immunization could help protect premature babies from respiratory syncytial viruses (RSV).

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