Novavax Announces Positive Preclinical Data for Combination Influenza and COVID-19 Vaccine Candidate
- Manuscript highlights development of robust responses to both influenza and COVID-19 and protection against the SARS-CoV-2 virus
- Data shared via preprint server for biology, bioRxiv, ahead of publication
GAITHERSBURG, Md., May 10, 2021 /PRNewswire/ -- Novavax, Inc. (Nasdaq: NVAX), a biotechnology company developing next-generation vaccines for serious infectious diseases, today announced data from a preclinical study of the company's combination quadrivalent seasonal flu vaccine (NanoFlu) and COVID-19 vaccine candidate (NVX-CoV2373). The NanoFlu/NVX-CoV2373 combination vaccine demonstrated positive immune responses to both influenza and SARS-CoV-2. A pre-print of the manuscript is available at bioRxiv.org.
The manuscript, titled 'Combination Respiratory Vaccine Containing Recombinant SARS-CoV-2 Spike and Quadrivalent Seasonal Influenza Hemagglutinin Nanoparticles with Matrix-M Adjuvant,' studied a combination vaccine comprising a quadrivalent nanoparticle influenza vaccine formulated together with a recombinant SARS-CoV-2 spike protein vaccine and Matrix-M adjuvant. The combination vaccine elicited robust responses to both influenza A and B and protected against the SARS-CoV-2 virus. Clinical studies of the combination vaccine are expected to begin by the end of the year.
"Despite low rates during the COVID-19 pandemic, influenza remains a significant risk to global public health and the need for versatile, more effective vaccines is as important as ever, including against the flu. This study's results build on our success to-date with NVX-CoV2373, and with NanoFlu, which successfully achieved all of its objectives in a pivotal Phase 3 trial announced last year," said Gregory M. Glenn, M.D., President of Research and Development, Novavax. "We believe that this novel combination vaccine candidate, which leverages Novavax' technology platform and Matrix-M adjuvant, could be an important future tool in the long-term fight against both of these harmful respiratory viruses."
The preclinical study found that the combination NanoFlu/NVX-CoV2373 (qNIV/CoV2373) vaccine induced functional influenza and COVID antibodies in ferrets. Hemagglutination inhibition (HAI) and ACE2 receptor-inhibiting titers were comparable between immunization with the combination vaccine and with its respective component vaccines. Antibody titers were elevated two weeks after a single dose and increased even further two weeks following a second immunization.
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