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Synageva BioPharma™ Issued U.S. Patent for Treatment of LAL Deficiency
Synageva BioPharma Corp. (Synageva) (GEVA), a biopharmaceutical company developing therapeutic products for rare diseases, announced that the U.S. Patent and Trademark Office today issued U.S. Patent No. 8,663,631 covering methods of treating lysosomal acid lipase deficiency (LAL Deficiency). This patent provides protection until 2031, not including any patent term extension. The patent complements Synageva’s existing and planned global patent portfolio covering its LAL Deficiency program, which includes intellectual property directed to composition of matter, methods of use, and manufacturing.
Sebelipase alfa for LAL Deficiency
LAL Deficiency is a rare autosomal recessive lysosomal storage disease (LSD) caused by a marked decrease in LAL enzyme activity. LAL Deficiency presenting in children and adults, historically called Cholesteryl Ester Storage Disease (CESD), is an underappreciated cause of cirrhosis and accelerated atherosclerosis. These complications are due to the buildup of fatty material in the liver, blood vessel walls and other tissues as a result of the decreased LAL enzyme activity. Infants presenting with LAL Deficiency, historically called Wolman disease, show very rapid progression with death, usually in the first six months of life. Affected infants develop severe malabsorption, growth failure and liver complications.
Sebelipase alfa (SBC-102) is a recombinant form of the human LAL enzyme being developed by Synageva as an enzyme replacement therapy for LAL Deficiency. Synageva is evaluating sebelipase alfa in global Phase 3 clinical trials in infants, children and adults with LAL Deficiency. Sebelipase alfa has been granted orphan designation by the U.S. Food and Drug Administration (FDA), the European Medicines Agency (EMA), and the Japanese Ministry of Health, Labour and Welfare. Additionally, sebelipase alfa received fast track designation by the FDA, and Breakthrough Therapy designation by the FDA for LAL Deficiency presenting in infants.
SBC-103 for MPS IIIB
The mucopolysaccharidoses (MPS) consist of a group of rare LSDs caused by a deficiency of enzymes needed to break down complex sugars called glycosaminoglycans. The MPS III syndromes (also known as Sanfilippo syndromes) share complications with other MPS diseases but represent a clinically distinct subset with marked central nervous system degeneration.Mucopolysaccharidosis IIIB (MPS IIIB, also known as Sanfilippo B syndrome) is caused by a marked decrease in alpha-N-acetyl-glucosaminidase (NAGLU) enzyme activity which leads to the buildup of abnormal amounts of heparan sulfates (HS) in the brain and other organs. The accumulation of abnormal HS, particularly in the central nervous system, leads to severe cognitive decline, behavioral problems, speech loss, increasing loss of mobility, and premature death.
SBC-103 is a recombinant form of the human NAGLU enzyme being developed by Synageva as an enzyme replacement therapy for MPS IIIB. Using various dosing approaches, SBC-103 reduced HS substrate storage in the brain, liver and kidney in an MPS IIIB animal model. SBC-103 has been granted orphan designation by the FDA and the EMA.
Synageva’s additional pipeline programs and manufacturing platform
Synageva’s additional pipeline programs include other proteins targeting rare diseases at various stages of preclinical development. These diseases are characterized by significant morbidity and mortality and these programs are selected based on scientific rationale, high unmet medical need, potential to impact disease course and strategic alignment with our corporate focus. In addition to these novel pipeline programs, Synageva is leveraging its manufacturing platform to develop improved biologic therapies for diseases with high unmet medical need.
Synageva’s proprietary manufacturing platform utilizes technology to produce drug product with consistent characteristics that enable robustness and flexibility during scale-up. In addition, the platform can provide favorable structural properties for bio-distribution and cell targeting in comparison to glycoproteins produced from other sources.
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This news release contains "forward-looking statements". Such statements generally can be identified by the use of words such as "anticipate," "expect," "plan," "could," "intend," "believe," "may," "will," "estimate," "forecast," "project," or words of similar meaning. These forward-looking statements address, among other matters, potential for patent term extension, plans for our global patent portfolio, plans for leveraging our manufacturing platform, and our belief that our platform can provide favorable structural properties. Many factors may cause actual results to differ materially from forward-looking statements, including inaccurate assumptions and a broad variety of risks and uncertainties some of which are known, including, our ability to maintain and protect our patent portfolio, our ability to defend our patent portfolio against challenges from third parties, the ability to maintain the current favorable protein structural properties for bio-distribution, and the risks identified under the heading "Risk Factors" in Synageva's Annual Report on Form 10-K filed with the Securities and Exchange Commission (the "SEC") on March 3, 2014, and others of which are not known. No forward-looking statement is a guarantee of future results or events, and investors should avoid placing undue reliance on such statements. Synageva undertakes no obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise. Our business is subject to substantial risks and uncertainties, including those referenced above. Investors, potential investors, and others should give careful consideration to these risks and uncertainties.
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Matthew Osborne, 781-357-9947