THOUSAND OAKS, Calif., Oct. 9, 2014 /PRNewswire/ — Amgen (NASDAQ: AMGN) today announced that the U.S. Food and Drug Administration (FDA) has accepted for review the Biologics License Application (BLA) for the investigational bispecific T cell engager (BiTE®) antibody construct, blinatumomab. The BLA is for the treatment of adults with Philadelphia-negative (Ph-) relapsed/refractory B-precursor acute lymphoblastic leukemia (ALL), a rapidly progressing cancer of the blood and bone marrow.1 As part of the acceptance, the FDA granted blinatumomab priority review with a Prescription Drug User Fee Act (PDUFA) action date of May 19, 2015.
A Marketing Authorization Application (MAA) has also been submitted to the European Medicines Agency(EMA) via the centralized procedure for approval to market blinatumomab for the treatment of adults with Ph- relapsed/refractory B-precursor ALL.
The submissions include data from a Phase 2 trial of adult patients with Ph- relapsed/refractory B-precursor ALL treated with blinatumomab, which met its primary endpoint.
“The FDA’s acceptance of our BLA submission and designation of priority review for blinatumomab underscores the need to provide new treatment approaches for adult patients with relapsed or refractory ALL, and we are encouraged by the Agency’s expedited review,” said Sean E. Harper, M.D., executive vice president of Research and Development at Amgen. “Blinatumomab has the potential to make a significant impact for these patients, and this milestone, along with other ongoing filings around the world, represents the potential of BiTE® technology in cancers that are challenging to treat.”
BiTE® antibody constructs represent an innovative immunotherapy approach that helps the body’s immune system target cancer cells. Blinatumomab, the first of the investigational BiTE® antibody constructs, has received orphan drug designation from the EMA and FDA, and breakthrough therapy and priority review designation from the FDA for the treatment of ALL.
According to the FDA, priority review designation is assigned to applications for drugs that treat serious conditions and would, if approved, provide significant improvements in the safety or effectiveness of the treatment, diagnosis, or prevention of serious conditions. A priority review designation will set a goal date for taking action on an application within six months of receipt.
In the U.S., more than 6,000 cases of ALL will be diagnosed in 2014, and in the European Union, it is estimated that more than 7,000 cases of ALL are diagnosed each year.2,3 In adult patients with relapsed or refractory ALL, median overall survival is just three to five months.4
About BiTE® Technology
Bispecific T cell engager (BiTE®) antibody constructs are a type of immunotherapy being investigated for fighting cancer by helping the body’s immune system to detect and target malignant cells. The modified antibodies are designed to engage two different targets simultaneously, thereby juxtaposing T cells (a type of white blood cell capable of killing other cells perceived as threats) to cancer cells. BiTE® antibody constructs help place the T cells within reach of the targeted cell, with the intent of allowing T cells to inject toxins and trigger the cancer cell to die (apoptosis). BiTE® antibody constructs are currently being investigated for their potential to treat a wide variety of cancers. For more information, visitwww.biteantibodies.com.
Blinatumomab is an investigational BiTE® antibody construct designed to direct the body’s cell-destroying T cells against target cells expressing CD19, a protein found on the surface of B-cell derived leukemias and lymphomas. Blinatumomab is the first of the BiTE® antibody constructs and Amgen has received orphan drug designation from the FDA for the treatment of ALL, chronic lymphocytic leukemia (CLL), hairy cell leukemia, prolymphocytic leukemia and indolent B-cell lymphoma and from the European Medicines Agency for the treatment of indolent B-cell lymphoma, ALL, CLL and mantle cell leukemia (MCL). Blinatumomab is also being investigated for its potential to treat pediatric relapsed/refractory ALL, relapsed/refractory Philadelphia positive (Ph+) B-precursor ALL, minimal residual disease positive (MRD+) B-precursor ALL, relapsed/refractory non-Hodgkin’s lymphoma (NHL), including relapsed/refractory diffuse large B-cell lymphoma (DLBCL).
Acute lymphoblastic leukemia (ALL) is an aggressive cancer of the blood and bone marrow, the spongy tissue inside bones where blood cells are made.1 The disease progresses rapidly and affects immature blood cells. Worldwide, ALL accounts for more than 12 percent of leukemia. Of the 42,000 people diagnosed worldwide, 31,000 will die from the disease. Patients with ALL have abnormal white blood cells (lymphocytes) that crowd out healthy white blood cells, red blood cells and platelets, leading to infection, anemia (fatigue), easy bleeding and other serious side effects.5
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.
This news release contains forward-looking statements that are based on the current expectations and beliefs of Amgen Inc. and its subsidiaries (Amgen or us) and are subject to a number of risks, uncertainties and assumptions that could cause actual results to differ materially from those described. All statements, other than statements of historical fact, are statements that could be deemed forward-looking statements, including estimates of revenues, operating margins, capital expenditures, cash, other financial metrics, expected legal, arbitration, political, regulatory or clinical results or practices, customer and prescriber patterns or practices, reimbursement activities and outcomes and other such estimates and results. Forward-looking statements involve significant risks and uncertainties, including those discussed below and more fully described in the Securities and Exchange Commission (SEC) reports filed by Amgen Inc., including Amgen Inc.’s most recent annual report on Form 10-K and any subsequent periodic reports on Form 10-Q and Form 8-K. Please refer to Amgen Inc.’s most recent Forms 10-K, 10-Q and 8-K for additional information on the uncertainties and risk factors related to our business. Unless otherwise noted, Amgen is providing this information as of Oct. 9, 2014, and expressly disclaims any duty to update information contained in this news release.
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The scientific information discussed in this news release related to our product candidates is preliminary and investigative. Such product candidates are not approved by the U.S. Food and Drug Administration(FDA), the European Medicines Agency (EMA) or other similar regulatory authorities, and no conclusions can or should be drawn regarding the safety or effectiveness of the product candidates.
CONTACT: Amgen, Thousand Oaks
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1.Mayo Clinic. “Acute lymphocytic leukemia.” Available at: . Accessed on September 29, 2014.
2.Gatta G, Maarten van der Zwan J, Casali P, et. al. Rare cancers are not so rare: The rare cancer burden in Europe. Eur J Cancer. 2011;47:2493-2511.
3.American Cancer Society. “Leukemia-Acute Lymphocytic.” Available at:. Accessed September 15, 2014.
4.Advani A.S. New immune strategies for the treatment of acute lymphoblastic leukemia: Antibodies and chimeric antigen receptors. Hematology Am Soc Hematol Educ Program. 2013;2013:131-7. Retrieved from: .
5.Mayo Clinic. “Acute lymphocytic leukemia: symptoms”. Available at:. Accessed on September 29, 2014.
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