Moderna is in talks with the Food and Drug Administration about a proposal to put as many as 15 doses in each vial of the company’s coronavirus vaccine — up from the current 10.
Doing so could alleviate limits on the final step of vaccine production, filling vials, the company said. “Beyond the amount of drug product available, one potential capacity constraint is how many vials can be filled in a given period of time,” a Moderna spokesperson said.
FDA did not immediately respond to request for comment. The New York Times first reported the talks between Moderna and FDA.
Why it matters: If the agency grants the company’s request, it could help speed up the pace of vaccination in the U.S. — a top priority for President Joe Biden’s administration and governors around the country. Biden’s team has centered its efforts to bring the pandemic under control on speeding the manufacturing and availability of vaccines.
The federal government this week finalized the purchase of 100 million additional doses each from Moderna and Pfizer, whose Covid-19 vaccines are the only ones so far authorized for U.S. use.
Background: The U.S. has signed contracts for 300 million doses of Moderna’s mRNA vaccine to be delivered by July.
Pfizer, which has also pledged 300 million shots, discovered that its vials contained enough vaccine for six doses instead of the planned five. It sought, and won, FDA authorization for health care providers to use those extra doses.
The company later reduced the number of vials it planned to deliver to the United States because of the FDA’s ruling, contingent on the availability of the ultra-efficient syringes needed to extract a sixth dose.
What’s next: Moderna said that any change to the number of doses per vial depends on final approval from regulators.
“Implementation of any such changes would be expected to be completed in approximately a two- to three-month period,” the Moderna spokesperson said.
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