Healthcare Industry News: primary immunodeficiency
News Release - May 21, 2014
Baxter Provides U.S. Regulatory Update on HyQvia, Its Investigational Subcutaneous Treatment for Primary ImmunodeficiencyDEERFIELD, Ill. & SAN DIEGO--(Healthcare Sales & Marketing Network)--Baxter International Inc. (BAX) and Halozyme Therapeutics, Inc., (HALO) today announced that the U.S. Food and Drug Administration (FDA) has extended the Prescription Drug User Fee Act (PDUFA) date for its review of the Biologics License Application (BLA) for HYQVIA [Immune Globulin Infusion 10% (Human) with Recombinant Human Hyaluronidase], the company’s investigational subcutaneous treatment for patients with primary immunodeficiency (PI).
The FDA is requiring additional time to review supplemental data that Baxter provided as part of the ongoing BLA process for HyQvia approval. The PDUFA date has been extended by three months, which is the standard extension period. As part of the FDA’s extended review of the HyQvia BLA amendment, Baxter now expects to participate in a Blood Products Advisory Committee (BPAC) meeting, which the agency has scheduled for July 31, 2014.
HyQvia was approved by the European Commission for EU member states in 2013 and is available in several European countries, including Germany, Netherlands, Sweden, Norway, Denmark, Ireland and Italy.
HyQvia is a product consisting of human normal immunoglobulin (IG 10%) and recombinant human hyaluronidase (licensed from Halozyme Therapeutics). The IG provides the therapeutic effect and the recombinant human hyaluronidase facilitates the dispersion and absorption of the IG administered subcutaneously, increasing its bioavailability. The IG is a 10% solution that is prepared from human plasma consisting of at least 98% IgG, which contains a broad spectrum of antibodies.
HyQvia is indicated in Europe as replacement therapy in adults (≥18 years) with primary immunodeficiency syndromes and in myeloma or chronic lymphocytic leukaemia (CLL) with severe secondary hypogammaglobulinaemia and recurrent infections.
Important Risk Information
HyQvia should not be used by patients with a hypersensitivity to human immunoglobulins, especially in very rare cases of IgA deficiency when the patient has antibodies against IgA. HyQvia should not be used by patients with a systemic hypersensitivity to hyaluronidase or recombinant human hyaluronidase. HyQvia should not be used by patients with a hypersensitivity to any of the excipients, including glycine.
HyQvia must not be given intravenously.
HyQvia should not be used by women who are pregnant, or are planning to become pregnant, or are breast-feeding.
Patients should be closely monitored and carefully observed for any adverse reactions throughout the infusion period, particularly patients starting with HyQvia treatment. In case of adverse reaction, either the rate of administration must be reduced or the infusion stopped. The treatment required depends on the nature and severity of the adverse reaction. In case of shock, standard medical treatment for shock should be implemented.
Thromboembolic events (e.g. myocardial infarction, cerebral vascular accident, deep vein thrombosis, and pulmonary embolism), renal dysfunction/failure, aseptic meningitis syndrome, and hemolysis have been observed with IG 10% administered intravenously and cannot be excluded with use of HyQvia. Thrombotic events and haemolysis have also been reported in association with the subcutaneous administration of immunoglobulin products.
Human normal immunoglobulin and human serum albumin (stabilizer of the recombinant human hyaluronidase) are produced from human plasma and may carry a risk of transmitting infectious agents.
About Baxter International Inc.
Baxter International Inc., through its subsidiaries, develops, manufactures and markets products that save and sustain the lives of people with hemophilia, immune disorders, cancer, infectious diseases, kidney disease, trauma and other chronic and acute medical conditions. As a global, diversified healthcare company, Baxter applies a unique combination of expertise in medical devices, pharmaceuticals and biotechnology to create products that advance patient care worldwide.
About Halozyme Therapeutics
Halozyme Therapeutics is a biopharmaceutical company dedicated to developing and commercializing innovative products that advance patient care. With a diversified portfolio of enzymes that target the extracellular matrix, the Company's research focuses primarily on a family of human enzymes, known as hyaluronidases, which increase the absorption and dispersion of biologics, drugs and fluids. Halozyme's pipeline addresses therapeutic areas, including oncology, diabetes, and dermatology that have significant unmet medical need. The Company markets Hylenex® recombinant (hyaluronidase human injection) and has partnerships with Roche, Pfizer, and Baxter. Halozyme is headquartered in San Diego. For more information on how we are innovating, please visit our corporate website at www.halozyme.com.
This release includes forward-looking statements concerning HyQvia, including expectations with regard to pending regulatory review in the US. The statements are based on assumptions about many important factors, including the following, which could cause actual results to differ materially from those in the forward-looking statements: satisfaction of regulatory and other requirements; actions of regulatory bodies and other governmental authorities; additional clinical results; changes in laws and regulations; product quality or supply or patient safety issues; and other risks identified in each of the company's most recent filings on Form 10-K and other SEC filings, all of which are available on their respective websites. Neither Baxter nor Halozyme undertakes to update its forward-looking statements.
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