THOUSAND OAKS, Calif., Nov. 10, 2014 /PRNewswire/ -- Amgen AMGN, +2.00% today announced that the U.S. Food and Drug Administration (FDA) has accepted for review Amgen's Biologics License Application (BLA) for evolocumab for the treatment of high cholesterol. Evolocumab is an investigational fully human monoclonal antibody that inhibits proprotein convertase subtilisin/kexin type 9 (PCSK9), a protein that reduces the liver's ability to remove low-density lipoprotein cholesterol (LDL-C), or "bad" cholesterol, from the blood.1
"There is still a large unmet need among patients with high cardiovascular risk and elevated cholesterol who are unable to reach optimal LDL cholesterol levels with current therapies," said Sean E. Harper, M.D., executive vice president of Research and Development at Amgen. "Evolocumab has the potential to provide significant additional benefit when added to existing LDL cholesterol-lowering medications for patients with high cholesterol."
The BLA, submitted on Aug. 27, 2014, is based on data from approximately 6,800 patients, including more than 4,500 patients with high cholesterol in 10 Phase 3 trials. The Phase 3 studies evaluated the safety and efficacy of evolocumab in patients with elevated cholesterol on statins with or without other lipid-lowering therapies; patients who cannot tolerate statins; patients with heterozygous familial hypercholesterolemia (HeFH); and patients with homozygous familial hypercholesterolemia (HoFH).
The FDA has set a Prescription Drug User Fee Act (PDUFA) target action date of Aug. 27, 2015, for the evolocumab application.
High cholesterol, particularly elevated LDL-C, is the most common form of dyslipidemia, which is an abnormality of cholesterol and/or fats in the blood.2,3 Elevated LDL-C is recognized as a major risk factor for cardiovascular disease.4,5 Familial hypercholesterolemia (FH) is an inherited condition caused by genetic mutations which lead to high levels of LDL-C at an early age,6 and it is estimated that less than one percent of people with FH (heterozygous and homozygous forms) in the U.S. are diagnosed.7
Patients can have either one of two types of FH.6 Heterozygous FH is the more common type of FH and occurs globally in approximately one in 200 to 500 people.7 It can cause LDL-C levels twice as high as normal (e.g., >190 mg/dL).8 Individuals with HeFH have one altered copy of a cholesterol-regulating gene.8 Homozygous FH is the rare, more severe form, occurring in approximately one in a million individuals.9 It can cause LDL-C levels more than six times as high as normal (e.g., 650-1,000 mg/dL).9 An individual with HoFH has two altered copies of cholesterol-regulating genes (one from each parent).8 In 2013, the FDA granted evolocumab an orphan drug designation for HoFH.
Evolocumab is a fully human monoclonal antibody that inhibits proprotein convertase subtilisin/kexin type 9 (PCSK9).1 PCSK9 is a protein that targets LDL receptors for degradation and thereby reduces the liver's ability to remove LDL-C, or "bad" cholesterol, from the blood.10 Evolocumab, being developed by Amgen scientists, is designed to bind to PCSK9 and inhibit PCSK9 from binding to LDL receptors on the liver surface. In the absence of PCSK9, there are more LDL receptors on the surface of the liver to remove LDL-C from the blood.1
About PROFICIO: The Evolocumab Clinical Trial Program
PROFICIO, which stands for the Program to Reduce LDL-C and Cardiovascular Outcomes Following Inhibition of PCSK9 In Different POpulations, is a large and comprehensive clinical trial program evaluating evolocumab in 22 clinical trials, with a combined planned enrollment of approximately 35,000 patients.
The Phase 3 program includes 16 trials to evaluate evolocumab administered every two weeks and monthly in multiple patient populations, including in combination with statins in patients with hyperlipidemia (LAPLACE-2 and YUKAWA-2); in patients with hyperlipidemia who cannot tolerate statins (GAUSS-2 and GAUSS-3); as a stand-alone treatment in patients with hyperlipidemia (MENDEL-2); in patients whose elevated cholesterol is caused by genetic disorders called heterozygous (RUTHERFORD-2 and TAUSSIG) and homozygous (TESLA and TAUSSIG) familial hypercholesterolemia; the effects of evolocumab on lipoprotein metabolism (FLOREY); and the administration of evolocumab in statin-treated hyperlipidemic patients (THOMAS-1 and THOMAS-2).
Five ongoing studies in the evolocumab Phase 3 program will provide long-term safety and efficacy data. These include FOURIER (Further Cardiovascular OUtcomes Research with PCSK9 Inhibition in Subjects with Elevated Risk), which will assess whether treatment with evolocumab in combination with statin therapy compared to placebo and statin therapy reduces recurrent cardiovascular events in approximately 27,500 patients with cardiovascular disease; EBBINGHAUS (Evaluating PCSK9 Binding AntiBody Influence oN CoGnitive HeAlth in High CardiovascUlar Risk Subjects), which will evaluate the effect of evolocumab on cognitive function in a subset of patients enrolled in FOURIER; OSLER-2 (Open Label Study of Long TERm Evaluation Against LDL-C Trial-2) in patients with high cholesterol who completed any of the Phase 3 studies; GLAGOV (GLobal Assessment of Plaque ReGression with a PCSK9 AntibOdy as Measured by IntraVascular Ultrasound), which will determine the effect of evolocumab on coronary atherosclerosis in approximately 950 patients undergoing cardiac catheterization; and TAUSSIG (Trial Assessing Long Term USe of PCSK9 Inhibition in Subjects with Genetic LDL Disorders), which will assess the long-term safety and efficacy of evolocumab on LDL-C in patients with severe familial hypercholesterolemia including patients with homozygous familial hypercholesterolemia. The DESCARTES (Durable Effect of PCSK9 Antibody CompARed wiTh PlacEbo Study) study, a long-term safety and efficacy trial in patients with hyperlipidemia at risk for cardiovascular disease, has been completed, presented and published.
About Amgen's Commitment to Cardiovascular Disease
Amgen is dedicated to addressing important scientific questions in order to advance care and improve the lives of patients with cardiovascular disease. Through its own research and development efforts and innovative partnerships, Amgen has built a robust cardiology pipeline consisting of several investigational molecules in an effort to address a number of today's important unmet patient needs, such as high cholesterol and heart failure.
Amgen is committed to unlocking the potential of biology for patients suffering from serious illnesses by discovering, developing, manufacturing and delivering innovative human therapeutics. This approach begins by using tools like advanced human genetics to unravel the complexities of disease and understand the fundamentals of human biology.
Amgen focuses on areas of high unmet medical need and leverages its biologics manufacturing expertise to strive for solutions that improve health outcomes and dramatically improve people's lives. A biotechnology pioneer since 1980, Amgen has grown to be the world's largest independent biotechnology company, has reached millions of patients around the world and is developing a pipeline of medicines with breakaway potential.
For more information, visit www.amgen.com and follow us on www.twitter.com/amgen.
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CONTACT: Amgen, Thousand Oaks
Kristen Davis, 805-447-3008 (media)
Trish Hawkins, 805-447-5631 (media)
Arvind Sood, 805-447-1060 (investors)
Amgen Data on File, Investigator Brochure.
World Health Organization. Quantifying Selected Major Risks to Health. In: The World Health Report 2002 - Reducing Risks, Promoting Healthy Life. Geneva. 2002:49-97.
Merck Manuals website. http://www.merckmanuals.com/professional/endocrine_and_metabolic_disorders/lipid_disorders/dyslipidemia.html. Accessed October 2014.
American Heart Association (2012). Why Cholesterol Matters. http://www.heart.org/HEARTORG/Conditions/Cholesterol/WhyCholesterolMatters/Why-Cholesterol-Matters_UCM_001212_Article.jsp. Accessed October 2014.
World Health Organization. Global Status Report on Noncommunicable Diseases 2010. Geneva. 2011.
National Human Genome Research Institute. Learning About Familial Hypercholesterolemia. http://www.genome.gov/25520184. Accessed October 2014.
Nordestgaard BG, Chapman MJ, Humphries SE, et al. Familial Hypercholesterolaemia is Underdiagnosed and Undertreated in the General Population: Guidance for Clinicians to Prevent Coronary Heart Disease. Eur Heart J. 2013;34:3478-3490.
Hopkins PN, Toth PP, Ballantyne CM, et al. Familial Hypercholesterolemias: Prevalence, Genetics, Diagnosis and Screening Recommendations From the National Lipid Association Expert Panel on Familial Hypercholesterolemia. J Clin Lipidol. 2011:5(3S):S9-S17.
Daniels SR, Samuel SG, de Ferranti SD. Pediatric Aspects of Familial Hypercholesterolemias: Recommendations from the National Lipid Association Expert Panel on Familial Hypercholesterolemia. J Clin Lipidol. 2011:5(3S):S30-S37.
Abifadel M, Varret M, Rabes JP, et al. Mutations in PCSK9 Cause Autosomal Dominant Hypercholesterolemia. Nat Genet. 2003;34:154-156.
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