FDA reviewing AstraZeneca’s application for self-administration of Flumist

Flumist has the potential to be the only self-administered flu vaccine.

11/7/2023

AstraZeneca’s Supplemental Biologics License Application for the approval of a self- or caregiver-administered option for Flumist Quadrivalent (Influenza Vaccine Live, Intranasal), a needle-free nasal spray, has been accepted for review by the Food and Drug Administration.

If approved, Flumist Quadrivalent will be the first flu vaccine available to be self-administered by eligible patients or administered by caregivers, adding an additional option to be vaccinated against influenza.

The sBLA is supported by a usability study confirming that individuals older than 18 years of age could self-administer or administer Flumist Quadrivalent to eligible patients 2-49 years of age when given instructions. Flumist Quadrivalent, which is sprayed into the nose, has extensive data demonstrating comparable effectiveness and acceptable safety relative to other flu vaccines, AstraZeneca said.

The FDA’s date for a regulatory decision, is expected during the first quarter of 2024. If approved, Flumist Quadrivalent is anticipated to be available for self-administration in the United States for the 2024/2025 flu season.

“A self-administered option for Flumist Quadrivalent would leverage the unique attributes of the product, providing a convenient new choice for individuals and families who want to protect their loved ones against flu," Ravi Jhaveri, division head of infectious disease; Virginia H. Rogers professor in infectious diseases, professor of pediatrics (Infectious Diseases), at Northwestern University School of Medicine, Chicago, said. "Vaccination rates for children and adults under 50 years of age declined in the 2022-2023 flu season, highlighting a need for more accessible solutions. The ability for individuals and parents to choose where to administer an injection-free flu vaccine could help increase access and, subsequently, vaccination rates, and greatly benefit those most impacted by this serious and contagious respiratory illness.”

Iskra Reic, executive vice president, vaccines and immune therapies at AstraZeneca, said, “For more than 20 years, Flumist Quadrivalent has served as a critical public health tool as the only intranasal flu vaccine providing protection to communities around the world. Flumist Quadrivalent now has the potential to be the first and only self-administered flu vaccine, which could revolutionize flu vaccination. Our ambition is for Flumist Quadrivalent to be ordered directly to people’s homes, providing an innovative, more accessible option for individuals, families and communities.”

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