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FDA grants priority review to single-dose flu drug

Genentech announced that the U.S. Food and Drug Administration (FDA) has accepted a New Drug Application (NDA) and granted Priority Review for baloxavir marboxil as a single-dose, oral treatment for acute, uncomplicated influenza in people 12 years and older.

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SOUTH SAN FRANCISCO, Calif. — Genentech announced that the U.S. Food and Drug Administration (FDA) has accepted a New Drug Application (NDA) and granted Priority Review for baloxavir marboxil as a single-dose, oral treatment for acute, uncomplicated influenza in people 12 years and older. The FDA is expected to make a decision on approval by December 24, 2018. A Priority Review designation is granted to medicines that the FDA has determined to have the potential to provide significant improvements in the treatment, prevention or diagnosis of a disease.

“The severity of the recent flu season underscores the need for new options beyond currently available treatments, and if approved, baloxavir marboxil would be the first flu medicine with a novel proposed mechanism of action in nearly 20 years,” said Sandra Horning, chief medical officer and head of global product development. “Baloxavir marboxil has been shown in clinical trials to decrease the duration of symptoms with one dose, and demonstrated a significant reduction in viral shedding in just one day. We look forward to working with the FDA during the review process.”

Baloxavir marboxil is a first-in-class, single-dose investigational oral medicine with a novel proposed mechanism of action designed to target the flu virus, including oseltamivir-resistant strains and avian strains (H7N9, H5N1). Unlike other currently available antiviral treatments, baloxavir marboxil is designed to inhibit the cap-dependent endonuclease protein within the flu virus, which is essential for viral replication.

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