FDA Flags Deficiencies in Aquestive’s Anaphylm NDA

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FDA has told Aquestive Therapeutics that deficiencies have been identified in the company’s NDA for Anaphylm that currently preclude labeling and post-marketing commitments discussions, though the agency emphasized that its review remains ongoing and no final decision has been made.

In a regulatory update, the company said FDA did not specify the deficiencies in its notification. Chief executive Dan Barber said the company is working to understand and address the issues and underscored that the letter does not represent an approval decision. Anaphylm’s user fee review action target date is 1/31.

According to the company, FDA indicated it does not plan to issue a Discipline Review Letter but may request additional information during the remainder of the review. Aquestive warned that delays in receiving details on the deficiencies could push back a potential approval.

Anaphylm is a sublingual film formulation of an epinephrine prodrug intended for the treatment of severe allergic reactions, including anaphylaxis. The company said the development program demonstrated a pharmacokinetic profile comparable to leading epinephrine auto-injectors and a safety profile consistent with epinephrine.

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