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CSL Limited ADR news reflects developments from a global biopharma company focused on plasma-derived therapies, vaccines and biotechnology medicines. Recurring updates cover CSL Behring, CSL Seqirus and CSL Vifor activities, including hemophilia and immune-deficiency therapies, influenza vaccines, iron-deficiency and nephrology treatments, and hereditary angioedema products.
Company news also includes clinical data and regulatory decisions for products such as HEMGENIX, ANDEMBRY and FILSPARI, manufacturing investments tied to plasma-therapy capacity and advanced production processes, and ADR program administration for the U.S. over-the-counter security.
CSL and Arcturus Therapeutics announced pivotal data published in Nature Communications demonstrating the efficacy and tolerability of their novel self-amplifying (sa-mRNA) COVID-19 vaccine, ARCT-154. The vaccine, the first of its kind approved in Japan, showed 100% efficacy against severe COVID-19 in healthy adults aged 18-59 and over 90% efficacy in older adults or those with comorbidities. The study, covering phases 1 through 3b, indicated that two 5 μg doses were well-tolerated and provided robust protection against multiple strains, including Omicron BA 4/5. The results underline the potential of the sa-mRNA technology to offer long-lasting immunity and superior protection compared to traditional mRNA vaccines.
CSL and Arcturus Therapeutics announced that Nature Communications published results from an integrated phase 1/2/3a/3b study on ARCT-154, a self-amplifying mRNA COVID-19 vaccine. The study demonstrates that two 5 μg doses of ARCT-154 were well-tolerated and provided significant protection against multiple COVID-19 strains. The vaccine showed 100% efficacy against severe COVID-19 in healthy individuals aged 18-59 and over 90% efficacy in at-risk populations. These results add to previous findings showing superior immunogenicity to Omicron BA 4/5 and longer-lasting immunity compared to conventional mRNA boosters. The vaccine's approval in Japan marks a significant milestone in the fight against COVID-19.
CSL Seqirus, a business of CSL, announced a real-world evidence study showing that a cell-based quadrivalent influenza vaccine was more effective than egg-based vaccines in preventing test-confirmed influenza over three seasons. The study revealed a relative vaccine effectiveness of at least 10% higher for the cell-based vaccine across three flu seasons.
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