Zogenix (ZGNX) Gets FDA Approval of Zohydro ER

Shares of Zogenix, Inc. (Nasdaq:ZGNX), are up more than 5% to $1.42 in after-hours trading Friday following the company’s announcement that the FDA has approved a new formulation of Zohydro® ER (hydrocodone bitartrate) Extended-Release Capsules, CII, with BeadTek™.

  • BeadTek is a formulation technology designed to provide abuse-deterrent properties without changing the release properties of hydrocodone when Zohydro ER is used as intended.

Concurrently, Zogenix has ongoing Human Abuse Liability studies, which will further characterize the abuse-deterrent properties of the new formulation. Zogenix intends to submit these data in the second half of 2015 to the FDA to support an amended product label, including abuse-deterrent claims consistent with the FDA’s current draft Guidance for Industry, Abuse-Deterrent Opioids – Evaluation and Labeling.

BeadTek incorporates well-known pharmaceutical excipients that immediately form a viscous gel when crushed and dissolved in liquids or solvents.

  • Zohydro ER is the only long-acting hydrocodone product administered every 12 hours, and the new formulation maintains the same efficacy and pharmacokinetic profile of the original formulation.

Transition to Zohydro ER with BeadTek is expected to occur in the second quarter of 2015 for all prescribed strengths ranging from 10 mg to 50 mg, without disruption to patients currently on therapy.

“While we are very pleased with the outcomes from our safe use initiatives, implemented with the introduction of Zohydro ER last year, we believe moving forward with this formulation change at the earliest possible time is a responsible action for us to take,” said Stephen Farr, Ph.D., president of Zogenix. “We are also committed to completing the ongoing studies to seek additional changes in the product label relating to abuse-deterrent properties by the end of the year.”

Zohydro ER is indicated for the management of pain severe enough to require daily, around-the-clock, long-term opioid treatment and for which alternative treatment options are inadequate. Zohydro ER does not contain acetaminophen, unlike many immediate-release hydrocodone products, reducing the risk for potential liver toxicity due to overexposure of acetaminophen.

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