News Release

Zogenix Announces Issuance of U.S. Patent for ZX008 in Dravet Syndrome

Issued Patent is First Covering Company’s Treatment of Seizures Associated with Dravet Syndrome Using Fenfluramine as an Adjunctive Therapy

EMERYVILLE, Calif., Jan. 30, 2017 (GLOBE NEWSWIRE) -- Zogenix, Inc. (NASDAQ:ZGNX), a pharmaceutical company developing therapies for the treatment of orphan and central nervous system (CNS) disorders, announced today the recent issuance of U.S. Patent No. 9,549,909 from the U.S. Patent & Trademark Office.  The patent, entitled “Method for the Treatment of Dravet Syndrome”, covers claims related to a method for the adjunctive treatment of seizures associated with Dravet syndrome with ZX008.  This patent is expected to provide protection of the associated claims through 2033.

“This represents the first issued patent covering the treatment of seizures associated with Dravet syndrome using fenfluramine as an adjunctive therapy, and is an important milestone for our ZX008 development program,” said Stephen J. Farr, Ph.D., President and CEO.  “We are continuing to pursue multiple additional patent families related to ZX008 globally in order to further protect our lead product candidate.  In addition, we are conducting certain pre-clinical and clinical development work in order to leverage additional potential intellectual property opportunities.”

Zogenix’s Phase 3 program for ZX008 in Dravet syndrome continues to enroll patients in the U.S. and internationally.  ZX008 is designated as an orphan drug in both the U.S. and Europe, and also received Fast Track designation in the U.S., for the treatment of Dravet syndrome.

The assignees of this U.S. patent are University of Leuven and University Hospital Antwerp, in Belgium.  Zogenix secured exclusive world-wide rights to the recently issued U.S. patent and additional intellectual property through its 2014 acquisition of Brabant Pharma Limited, pursuant to a sale and purchase agreement with Brabant. 

About Zogenix
Zogenix, Inc. is a pharmaceutical company committed to developing and commercializing CNS therapies that address specific clinical needs for people living with orphan and other CNS disorders who need innovative treatment alternatives to improve their daily functioning.

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Forward Looking Statements
Zogenix cautions you that statements included in this press release that are not a description of historical facts are forward-looking statements. Words such as "believes," "anticipates," "plans," "expects," "indicates," "will," "intends," "potential," "suggests," "assuming," "designed" and similar expressions are intended to identify forward-looking statements. These statements are based on the company's current beliefs and expectations. These forward-looking statements include statements regarding the expiration of the newly issued patent covering the treatment of seizures associated with Dravet syndrome using fenfluramine as an adjunctive therapy; ZX008’s potential as a treatment for seizures associated with Dravet syndrome; and the enrollment of patients in the two on-going Phase 3 clinical trials of ZX008 for patients with Dravet syndrome;. The inclusion of forward-looking statements should not be regarded as a representation by Zogenix that any of its plans will be achieved. Actual results may differ from those set forth in this release due to the risks and uncertainties inherent in Zogenix's business, including, without limitation: the uncertainties associated with the clinical development and regulatory approval of product candidates such as ZX008, including potential delays in the commencement, enrollment and completion of clinical trials; the potential that earlier clinical trials and studies may not be predictive of future results; Zogenix's reliance on third parties to conduct its clinical trials, enroll patients, manufacture its preclinical and clinical drug supplies and manufacture commercial supplies of its drug products, if approved; unexpected adverse side effects or inadequate therapeutic efficacy of ZX008 that could limit approval and/or commercialization, or that could result in recalls or product liability claims; Zogenix's ability to fully comply with numerous federal, state and local laws and regulatory requirements, as well as rules and regulations outside the United States, that apply to its product development activities; Fast Track designation may not result in an expedited regulatory review process; and other risks described in Zogenix's prior press releases as well as in public periodic filings with the Securities and Exchange Commission. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof, and Zogenix undertakes no obligation to revise or update this press release to reflect events or circumstances after the date hereof. All forward-looking statements are qualified in their entirety by this cautionary statement. This caution is made under the safe harbor provisions of Section 21E of the Private Securities Litigation Reform Act of 1995.

CONTACT: Investors: Andrew McDonald
Founding Partner, LifeSci Advisors LLC
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