Fabre-Kramer Resubmits Depression Drug NDA

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FDA has accepted for review a Fabre-Kramer Pharmaceuticals NDA resubmission for Exxua (gepirone HCl) extended-release tablets, novel serotonin (5HT) single receptor (1A) agonist that has demonstrated effectiveness and a favorable safety profile in clinical trials as monotherapy for major depressive disorder.

This is the fourth attempt to get gepirone approved since 2001 when Organon submitted an NDA under the trade name Ariza (gepirone ER tablets). In 2002, the submission was rejected due to efficacy concerns. In 2007, Fabre-Kramer and GlaxoSmithKline received a not-approvable letter that asked for an additional positive short-term trial as confirmatory evidence of efficacy. In 2016, FDA rejected the drug after FDA’s Psychopharmacologic Drugs Advisory Committee voted 9 to 13 to not recommend approval. Most panel members said the data did not support a favorable benefit-risk profile for treating MDD.

After the last rejection in 2016, Fabre-Kramer filed an appeal to FDA’s Office of New Drugs (OND), which concluded that its then-named Travivo (gepirone) demonstrated substantial evidence of effectiveness in treating major depressive disorder, and thereby overturning the agency’s previous position reached at a lower level. According to the company, then-OND director John Jenkins stated that in reaching his decision, he considered company-submitted materials, its two trials with effect sizes similar to already approved antidepressants, and consultations with staff including CDER Director of the Division of Biostatistics, Lisa LaVange.

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