A new study by Novateur Ventures provides global analysis of COVID-19 vaccines
2021-03-18
(Press-News.org) A new study by Novateur Ventures provides a comparative analysis of twelve COVID-19 Vaccines that had initiated or announced the Phase III clinical trial stage by early November 2020. The study highlights the early successes, as well as the hurdles and barriers yet to be overcome for ending the global COVID-19 pandemic.
COVID-19 vaccines analyzed for the study
messenger RNA - Moderna and Pfizer/BioNtech
Viral Vector-based (non-replicating) Vaccines - Astra Zeneca/University of Oxford, CanSino Biologics, Gamaleya Research Institute, Johnson & Johnson/Janssen (J&J))
Recombinant Protein-based Vaccines - Novavax and Medicago
Inactivated Virus - Three Chinese conglomerates and one Indian company
The study 'Target Product Profile Analysis of COVID-19 Vaccines in Phase III Clinical Trials and Beyond: An Early 2021 Perspective' appears in the Special Issue "Vaccines and Therapeutics against Coronaviruses" of the journal Viruses, an international peer-reviewed, open-access journal published monthly by the Multidisciplinary Publishing Institute (MDPI).
"The global concerted effort to develop vaccines to fight COVID-19 and deliver it to millions of citizens around the world in less than a year is an unprecedented feat in the history of medicine and a triumph for vaccine research and development said study co-author Ali Ardakani, Founder & Managing Director at Novateur Ventures. "Vaccination-mediated herd immunity will play a key role in helping us in returning to a world unhampered by restrictions and to global prosperity."
COVID-19 Vaccines belonging to four different platforms were analyzed in five different categories using a "harmonized" target product profile (TPP) version of guidance from the World Health Organization, Coalition for Epidemic Preparedness Innovations (CEPI) and Center for Biologics Evaluation and Research (CBER). Key analysis from the study -
Vaccine Efficacy - mRNA vaccines were a clear winner with efficacy in the 95% range and across a spectrum of ages, followed by the protein subunit platform with an efficacy of just under 90% in the UK. The inactivated virus platform ranks lowest based on currently available variable data.
Dosing regimen - All but two (CanSino and Johnson & Johnson/Janssen) of the 12 vaccines in the various platforms analyzed in this study use a two-dose regimen.
Logistics - mRNA vaccines rank lowest with their burdensome cold-chain requirements.
Safety/reactogenicity - The inactivated virus platform was the top performer. The viral vector platform scores below the other three platforms due to some lingering concerns related to paused trials and adverse events.
Target price/accessibility - The production of mRNA vaccines can be scaled-up at a reasonable pace, but they are currently among the most expensive COVID-19 vaccines; the viral vector vaccines are the cheapest to prepare. The inactivated virus vaccines are relatively easy to produce and are cheap if one considers Bharat Biotech's COVAXIN. However, there are some indications that the pricing of the vaccines made in China are very high.
"Ten out of twelve vaccines we analyzed have already received some form of authorization for use in different countries in a period of less than a year. This is a remarkable achievement," said study co-author Colin D. Funk, Scientific Lead at Novateur Ventures. "We hope that SARS-CoV-2 viral variants, emerging at an alarming rate in various countries, will not derail the successful vaccine efforts to date."
The study has also identified three main barriers/hurdles for ending the global COVID-19 pandemic -
While we know that antibody levels induced by natural infection with SARS-CoV-2 last several months, we do not know if there will be a requirement for repeat vaccine dosing on an annual (or other timeframe) basis. If repeat booster doses are required, especially related to the viral vector platform, will antibodies be directed to the vector and will this diminish vaccine efficacy?
Determining an immunological correlate of protection against SARS-CoV-2 is an important objective that still has not been achieved and will be crucial in facilitating future COVID-19 vaccine development and licensing.
Public perception and compliance in vaccine administration are also very large hurdles to surmount in order to achieve herd immunity in some countries/populations. While not discussed in this review, this is a key point that cannot be overlooked.
"The process of developing a vaccine from scratch normally takes place over several years but it's truly amazing that we already have approved vaccines to fight the spread of COVID-19. This speaks volumes about the efforts various countries have put into pandemic preparedness and response," said co-author Craig Laferrière, Head Vaccine Development at Novateur Ventures. This was made possible through concurrent pre-clinical and early Phase I studies, strategic risk measures and adaptive trial designs."
INFORMATION:
About Novateur Ventures
Novateur is an established global life sciences advisory with extensive experience related to business development and product development of therapeutics, medical devices and digital health products. For more information, visit: http://www.novateur.ca
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PR Associates
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