Moderna Delaying Pediatric Covid Vaccine EUA Filing

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Ongoing safety concerns with Moderna’s Covid-19 vaccine and its potential use in adolescents has led to a filing delay for an emergency user authorization (EUA) to use a smaller dose vaccine in the pediatric population (6-11 years of age). Last month, it was reported (see story) that FDA was delaying its decision on expanding the vaccine’s use in adolescents (12 to 17 years of age) while it further investigates myocarditis risks. The agency reportedly has been assessing the risk among younger men vaccinated with the Moderna vaccine after several Nordic countries limited its use due to similar risk concerns.

 

in July, asked Pfizer/BioNTech and Moderna to expand their trials of Covid vaccines to include several thousand school children before they seek final emergency use authorization for their vaccines (see earlier story). The expanded testing is intended to assess the risk of myocarditis, a rare inflammation of the heart muscle that has been seen in young adults shortly after vaccination and is more common in younger age groups.

 

Moderna also acknowledged 10/31 that FDA is now requiring additional time to complete its assessment of Moderna’s EUA request for the vaccine in adolescents, for the same reason. The agency told Moderna that the review may not be completed before January 2022.

 

Moderna says that, to date, over 1.5 million adolescents have received the vaccine. The observed rate of myocarditis reports in those less than 18 years of age in Moderna’s global safety database “does not suggest an increased risk of myocarditis in this population,” it says. “Moderna is committed to conducting its own careful review of new external analyses as they become available. The company does not yet have access to data from some recent international analyses.”

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