npj Vaccines (Oct 2021)

A SARS-CoV-2 spike ferritin nanoparticle vaccine protects hamsters against Alpha and Beta virus variant challenge

  • Kathryn McGuckin Wuertz,
  • Erica K. Barkei,
  • Wei-Hung Chen,
  • Elizabeth J. Martinez,
  • Ines Lakhal-Naouar,
  • Linda L. Jagodzinski,
  • Dominic Paquin-Proulx,
  • Gregory D. Gromowski,
  • Isabella Swafford,
  • Akshaya Ganesh,
  • Ming Dong,
  • Xiankun Zeng,
  • Paul V. Thomas,
  • Rajeshwer S. Sankhala,
  • Agnes Hajduczki,
  • Caroline E. Peterson,
  • Caitlin Kuklis,
  • Sandrine Soman,
  • Lindsay Wieczorek,
  • Michelle Zemil,
  • Alexander Anderson,
  • Janice Darden,
  • Heather Hernandez,
  • Hannah Grove,
  • Vincent Dussupt,
  • Holly Hack,
  • Rafael de la Barrera,
  • Stasya Zarling,
  • James F. Wood,
  • Jeffrey W. Froude,
  • Matthew Gagne,
  • Amy R. Henry,
  • Elham Bayat Mokhtari,
  • Prakriti Mudvari,
  • Shelly J. Krebs,
  • Andrew S. Pekosz,
  • Jeffrey R. Currier,
  • Swagata Kar,
  • Maciel Porto,
  • Adrienne Winn,
  • Kamil Radzyminski,
  • Mark G. Lewis,
  • Sandhya Vasan,
  • Mehul Suthar,
  • Victoria R. Polonis,
  • Gary R. Matyas,
  • Eli A. Boritz,
  • Daniel C. Douek,
  • Robert A. Seder,
  • Sharon P. Daye,
  • Mangala Rao,
  • Sheila A. Peel,
  • M. Gordon Joyce,
  • Diane L. Bolton,
  • Nelson L. Michael,
  • Kayvon Modjarrad

DOI
https://doi.org/10.1038/s41541-021-00392-7
Journal volume & issue
Vol. 6, no. 1
pp. 1 – 11

Abstract

Read online

Abstract The emergence of SARS-CoV-2 variants of concern (VOC) requires adequate coverage of vaccine protection. We evaluated whether a SARS-CoV-2 spike ferritin nanoparticle vaccine (SpFN), adjuvanted with the Army Liposomal Formulation QS21 (ALFQ), conferred protection against the Alpha (B.1.1.7), and Beta (B.1.351) VOCs in Syrian golden hamsters. SpFN-ALFQ was administered as either single or double-vaccination (0 and 4 week) regimens, using a high (10 μg) or low (0.2 μg) dose. Animals were intranasally challenged at week 11. Binding antibody responses were comparable between high- and low-dose groups. Neutralizing antibody titers were equivalent against WA1, B.1.1.7, and B.1.351 variants following two high dose vaccinations. Dose-dependent SpFN-ALFQ vaccination protected against SARS-CoV-2-induced disease and viral replication following intranasal B.1.1.7 or B.1.351 challenge, as evidenced by reduced weight loss, lung pathology, and lung and nasal turbinate viral burden. These data support the development of SpFN-ALFQ as a broadly protective, next-generation SARS-CoV-2 vaccine.