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(galsulfase) for Intravenous Infusion
NAGLAZYME is a formulation of galsulfase, which is a purified human enzyme that is produced by recombinant DNA technology in a Chinese hamster ovary cell line. Galsulfase (glycosaminoglycan N–acetylgalactosamine 4-sulfatase, EC 188.8.131.52) is a lysosomal enzyme that catalyzes the cleavage of the sulfate ester from terminal N–acetylgalactosamine 4-sulfate residues of glycosaminoglycans (GAG), chondroitin 4-sulfate and dermatan sulfate.
Galsulfase is a glycoprotein with a molecular weight of approximately 56 kDa. The recombinant protein consists of 495 amino acids and possesses six asparagine-linked glycosylation sites, four of which carry a bis-mannose–6–phosphate residue for specific cellular recognition. Post-translational modification of Cys53 produces the catalytic amino acid residue, Cα-formylglycine, which is required for enzyme activity. NAGLAZYME has a specific activity of approximately 70 units per mg of protein content. One activity unit is defined as the amount of enzyme required to convert 1 micromole of 4-methylumbelliferyl sulfate to 4-methylumbelliferone and free sulfate per minute at 37°C.
NAGLAZYME is intended for intravenous infusion and is supplied as a sterile, nonpyrogenic, colorless to pale yellow, clear to slightly opalescent solution that must be diluted with 0.9% Sodium Chloride Injection, USP, prior to administration. NAGLAZYME is supplied in clear Type I glass 5 mL vials. Each vial provides 5 mg galsulfase, 43.8 mg sodium chloride, 6.20 mg sodium phosphate monobasic monohydrate, 1.34 mg sodium phosphate dibasic heptahydrate, and 0.25 mg polysorbate 80 in a 5 mL extractable solution with pH of approximately 5.8. NAGLAZYME does not contain preservatives. Each vial is for single use only.
What are the possible side effects of galsulfase (Naglazyme)?
Some people receiving a galsulfase injection have had a reaction to the infusion (when the medicine is injected into the vein). Tell your caregiver right away if you have a headache, fever or chills, skin rash, itching, nausea, vomiting, stomach pain, pain in your chest, trouble breathing, or if you feel like you might pass out when galsulfase is injected.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Less serious side effects may...
Last reviewed on RxList: 12/1/2014
This monograph has been modified to include the generic and brand name in many instances.
Additional Naglazyme Information
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