Professional Interview: Protein-Primarily based Vaccines for COVID-19

The COVID-19 public well being emergency might have ended, however vaccine producers are nonetheless laborious at work updating immunizations towards the SARS-CoV-2 virus. In an interview with Drug Matters, Seth Toback, MD, senior vp, medical affairs, at Novavax, mentioned the event of the corporate’s protein-based COVID-19 vaccine and shared some counseling pearls that pharmacists can use when discussing vaccination with their sufferers.

Are you able to briefly clarify the mechanism of motion of the Novavax COVID-19 vaccine?

The Novavax COVID‑19 Vaccine, Adjuvanted, is a protein subunit vaccine produced utilizing established expertise that has additionally been utilized in some seasonal influenza, human papillomavirus (HPV), and hepatitis B vaccines. The vaccine presents a innocent piece of the spike protein a part of the SARS-CoV-2 virus to the immune system, which triggers an immune response.

The vaccine additionally consists of an adjuvant, known as Matrix-M, which boosts the immune response to the spike protein. Matrix-M is proprietary to Novavax, and comes from saponins, naturally occurring compounds within the bark of the Quillaja Saponaria (Soapbark) tree, which is often present in Chile.

After studying how to reply to the spike protein, the immune system is ready to reply rapidly if/when uncovered to the precise virus spike protein, and subsequently may also help shield towards COVID-19.

Total, protein-based vaccines ship the protein ready-made, on to your immune system.

What’s the historical past of protein-based vaccines? Are there any advantages to most of these vaccines?

Protein-based vaccines, such because the hepatitis B vaccine launched within the Nineteen Eighties, have a protracted historical past of use. As talked about beforehand, they include innocent items of the pathogen—comparable to proteins or protein fragments—slightly than the entire organism. They don’t include any reside virus.

Protein-based vaccines have a protracted monitor report of security and efficacy, and have been used for years with well-documented security profiles. Moreover, protein-based vaccines could be saved and transported at normal fridge temperatures, which might simplify logistics and distribution. This might characterize a comfort to pharmacists from a workflow perspective.

The FDA, the CDC, and ACIP all signed off on modifications to the beneficial COVID-19 vaccination schedule. Is the Novavax vaccine an acceptable choice for sufferers who’ve acquired earlier mRNA immunizations?

On October 3, 2023, Novavax acquired Emergency Use Authorization (EUA) for the 2023-2024 formulation of its COVID-19 vaccine for people aged 12 years and older in the US.¹ This authorization from the FDA, together with the CDC Advisory Committee on Immunization Practices (ACIP) suggestion from the September 12, assembly,² makes Novavax’s vaccine the one protein-based, non-mRNA COVID-19 vaccine choice obtainable in the US.

Eligible sufferers can obtain the vaccine, no matter what COVID-19 vaccine kind they acquired up to now. For people beforehand vaccinated with any COVID-19 vaccine, a single dose of the Novavax COVID-19 vaccine could be administered a minimum of 2 months after receipt of their final COVID-19 vaccine.

We all know there may be nonetheless some hesitancy round COVID-19 vaccines on the whole. On condition that hesitancy, what are some takeaways and counseling pearls across the Novavax COVID-19 vaccine which you can share with pharmacists?

Pharmacists play a crucial function in addressing COVID-19 vaccine hesitancy and offering correct, well timed info to sufferers. The pandemic actually underscored the worth of the data and accessibility that pharmacists provide to their communities and public well being total. They’ve been and can proceed to be a trusted useful resource for his or her sufferers.

With so many immunizations occurring at pharmacies, pharmacists are in an optimum place to interact in a dialogue with sufferers about vaccines, perceive any hesitancies they might have, and proper any misinformation. By providing a protected, nonjudgmental surroundings, pharmacists can ask open-ended questions to hunt to grasp underlying considerations. In consequence, sufferers can really feel heard and revered, and pharmacists can present tailor-made counseling in a compassionate method.

When talking with acceptable sufferers in regards to the Novavax COVID-19 Vaccine, Adjuvanted (2023-2024 Method), there may be some info sufferers might need to know:

• The Novavax COVID-19 vaccine makes use of conventional, protein-based expertise. Many individuals might have already acquired a protein-based vaccine, because it makes use of comparable expertise to what’s utilized in some vaccines for influenza and hepatitis B.
• In the case of getting the COVID-19 vaccine, there are decisions. People aged 12 years and older can obtain the Novavax COVID-19 vaccine even when they beforehand acquired an mRNA COVID-19 vaccine
• Normal negative effects embody injection web site reactions, fatigue or feeling unwell, muscle ache, headache, joint ache, and nausea. For an entire listing, please check with the Vaccine Supplier Reality Sheet

Lastly, it might be useful to remind sufferers that per CDC steering, the Novavax COVID-19 vaccine could be co-administered with the flu and RSV vaccines to eligible sufferers.

Pharmacists can check with the Vaccine Supplier Reality Sheet at https://novavax.widen.internet/s/9tkdmzh9z6/us-eua-fact-sheet-hcp and go to https://us-hcp.novavaxcovidvaccine.com for extra info. They’ll additionally refer sufferers to the Vaccine Recipient Reality Sheet at https://novavax.widen.internet/s/9mtxjf6rjv/us-eua-fact-sheet-recipients and https://us.novavaxcovidvaccine.com for extra info.

Are there another key factors you’d like to the touch on that we haven’t coated?

Total, Novavax is worked up to supply sufferers a alternative of their COVID-19 vaccination kind, a COVID-19 vaccine that’s based mostly on a well-established vaccine expertise. The Novavax staff additionally acknowledges with gratitude the big function pharmacists play in offering immunization companies and serving to educate their communities.

References

1. FDA authorizes up to date Novavax COVID-19 vaccine formulated to raised shield towards presently circulating variants. Information launch. FDA. October 3, 2023. Accessed October 27, 2023. https://www.fda.gov/news-events/press-announcements/fda-authorizes-updated-novavax-covid-19-vaccine-formulated-better-protect-against-currently

2. Regan JJ, Moulia DL, Hyperlink-Gelles R, et al. Use of up to date COVID-19 vaccines 2023-2024 method for individuals aged ≥6 months: Suggestions from the Advisory Committee on Immunization Practices – United States, September 2023. MMWR Morb Mortal Wkly Rep. 2023;72(42):1140-1146. doi:10.15585/mmwr.mm7242e1