GSK Boostrix Vaccine Sales Gains In Medicare Population May Hinge On ACIP
FDA approval of GlaxoSmithKline’s Tdap vaccine Boostrix in adults 65 years and older could lead to stronger recommendations for immunization against tetanus, diphtheria and pertussis in the Medicare population.
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Efficacy against moderate to severe/critical COVID-19 was 66%-67%, well above the FDA’s stated 50% efficacy threshold for an EUA but far short of the 94%+ efficacy rates posted by the Pfizer and Moderna vaccines against symptomatic disease; agency says efficacy against specific variants cannot be evaluated at this time because sequencing data are incomplete.
Oncology Center of Excellence’s ‘industry-wide evaluation’ of accelerated approvals leads to removal of indications for two PD-1/L-1 inhibitors, AstraZeneca’s Imfinzi and Bristol-Myers Squibb’s Opdivo, both of which had failed confirmatory trials.
Modified vaccines targeted at new SARS-CoV-2 variants must generate immune response rates not more than 10% below those of the original vaccine, agency says in one of a suite of guidances on medical product development to address variants.