FDA Extends Neffy NDA Review

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FDA has extended by three months an ARS Pharmaceuticals NDA for neffy (intranasal epinephrine) for treating allergic reactions (Type 1), including anaphylaxis, for adults and children. The revised user fee review action target date is 9/19.

Shortly after a favorable 5/11 vote (see story) by FDA’s Pulmonary-Allergy Drug Advisory Committee (PADAC) meeting, the agency told the company it needed more review time for labeling and post-marketing commitment discussions, according to ARS. Additionally, the company recently submitted proposals for post-marketing commitments based on input from the advisory committee meeting that need to be reviewed.

Meanwhile, ARS was met with a citizen petition challenge last week (see story) from Viatris that urged the agency to require additional pharmacokinetic and pharmacodynamic studies to support the neffy NDA. “Viatris believes the totality of currently available evidence does not yet answer several critical questions regarding how [neffy] will perform in a real-world anaphylaxis event,” the petition said.

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