HealthFlu: Mixed interim results for Moderna's messenger RNA vaccine

    Flu: Mixed interim results for Moderna’s messenger RNA vaccine

    Moderna’s clinical trial results do not yet reveal the effectiveness of the vaccine, but provide data on the immune response triggered by an injection, the company says.

    The American company Moderna announced this Thursday mixed interim results for its flu vaccine using messenger RNA technology, the same as for its vaccine against Covid-19.

    For the most prevalent influenza A subtypes known as H1N1 and H3N2, the immune response elicited by Moderna’s vaccine has been shown to be superior to other vaccines already licensed, but not against the Yamagata and Victoria lineages of the influenza B.

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    The trials were conducted on over 6,000 adults in Argentina, Australia, Colombia, Panama and the Philippines. Participants received either a dose of Moderna’s vaccine (mRNA-1010) or an already licensed vaccine.

    “We have already updated the vaccine”

    “Although we did not achieve non-inferiority for influenza B strains, which are more common in young people, we have already updated the vaccine,” said Stephen Hoge, president of the company, in a press release. Moderna.

    “We believe this could improve the immune response against influenza B, and will seek to quickly confirm these improvements in an upcoming clinical trial, thanks to the agility of our mRNA platform.”

    The vaccine was generally well tolerated, according to the company. Current flu vaccines use inactivated viruses that have lost their ability to cause infection, while eliciting an immune system response.

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    Pfizer has also launched trials

    But the strain used must be selected months in advance, and their effectiveness is between 40 and 60%. Messenger RNA technology works differently and should, in particular, make it possible to develop and adapt the vaccine more quickly.

    The World Health Organization estimates that influenza is responsible for around 3 to 5 million cases of serious illness each year, and 290,000 to 650,000 deaths. It particularly affects the elderly.

    Moderna currently has only one product on the market, its vaccine against Covid-19. The company is also working on combined vaccines, both against influenza, Covid-19, but also RSV (respiratory syncytial virus).

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    The American pharmaceutical giant Pfizer and its German partner BioNTech have also launched trials for a combined messenger RNA vaccine against influenza and Covid-19.

    Source: BFM TV

    This post is posted by Awutar staff members. Awutar is a global multimedia website. Our Email: [email protected]


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