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galsulfase
Overview
What is NAGLAZYME?
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 –acetylgalactosamine 4-sulfatase, EC 3.1.6.12) is a lysosomal enzyme that catalyzes the cleavage of the sulfate ester from terminal –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 does NAGLAZYME look like?
What are the available doses of NAGLAZYME?
Injection: 5 mg per 5 mL vial ().
What should I talk to my health care provider before I take NAGLAZYME?
How should I use NAGLAZYME?
NAGLAZYME (galsulfase) is indicated for patients with Mucopolysaccharidosis VI (MPS VI, Maroteaux-Lamy syndrome). NAGLAZYME has been shown to improve walking and stair-climbing capacity.
The recommended dosage regimen of NAGLAZYME is 1 mg per kg of body weight administered once weekly as an intravenous infusion.
Pretreatment with antihistamines with or without antipyretics is recommended 30 to 60 minutes prior to the start of the infusion
The total volume of the infusion should be delivered over a period of time of no less than 4 hours. NAGLAZYME should be diluted with 0.9% Sodium Chloride Injection, USP, to a final volume of 250 mL and delivered by controlled intravenous infusion using an infusion pump. The initial infusion rate should be 6 mL per hour for the first hour. If the infusion is well tolerated, the rate of infusion may be increased to 80 mL per hour for the remaining 3 hours. The infusion time can be extended up to 20 hours if infusion reactions occur.
For patients 20 kg and under or those who are susceptible to fluid volume overload, physicians may consider diluting NAGLAZYME in a volume of 100 mL []. The infusion rate (mL per hour) should be decreased so that the total infusion duration remains no less than 4 hours.
Each vial of NAGLAZYME provides 5 mg of galsulfase (expressed as protein content) in 5 mL of solution and is intended for single use only. Do not use the vial more than one time. The concentrated solution for infusion must be diluted with 0.9% Sodium Chloride Injection, USP, using aseptic techniques. Prepare Naglazyme using low-protein-binding containers and administer the diluted NAGLAZYME solution to patients using a low-protein-binding infusion set equipped with a low-protein-binding 0.2 µm in-line filter. There is no information on the compatibility of diluted NAGLAZYME with glass containers.
What interacts with NAGLAZYME?
Sorry No Records found
What are the warnings of NAGLAZYME?
Sorry No Records found
What are the precautions of NAGLAZYME?
Sorry No Records found
What are the side effects of NAGLAZYME?
Sorry No records found
What should I look out for while using NAGLAZYME?
None.
What might happen if I take too much NAGLAZYME?
Sorry No Records found
How should I store and handle NAGLAZYME?
Store at 20°C to 25°C (68°F to 77°F) [See USP controlled room temperature]. Protect from moisture.NAGLAZYME is supplied as a sterile injection in clear Type I glass 5 mL vials, containing 5 mg galsulfase (expressed as protein content) per 5 mL solution. The closure consists of a siliconized chlorobutyl rubber stopper and an aluminum seal with a plastic flip-off cap.NDC 68135-020-01, 5 mL vialStore NAGLAZYME under refrigeration at 2°C to 8°C (36°F to 46°F). Do not freeze or shake. Protect from light. Do not use NAGLAZYME after the expiration date on the vial. This product contains no preservatives.NAGLAZYME is supplied as a sterile injection in clear Type I glass 5 mL vials, containing 5 mg galsulfase (expressed as protein content) per 5 mL solution. The closure consists of a siliconized chlorobutyl rubber stopper and an aluminum seal with a plastic flip-off cap.NDC 68135-020-01, 5 mL vialStore NAGLAZYME under refrigeration at 2°C to 8°C (36°F to 46°F). Do not freeze or shake. Protect from light. Do not use NAGLAZYME after the expiration date on the vial. This product contains no preservatives.NAGLAZYME is supplied as a sterile injection in clear Type I glass 5 mL vials, containing 5 mg galsulfase (expressed as protein content) per 5 mL solution. The closure consists of a siliconized chlorobutyl rubber stopper and an aluminum seal with a plastic flip-off cap.NDC 68135-020-01, 5 mL vialStore NAGLAZYME under refrigeration at 2°C to 8°C (36°F to 46°F). Do not freeze or shake. Protect from light. Do not use NAGLAZYME after the expiration date on the vial. This product contains no preservatives.
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
Mucopolysaccharide storage disorders are caused by the deficiency of specific lysosomal enzymes required for the catabolism of GAG. MPS VI is characterized by the absence or marked reduction in –acetylgalactosamine 4-sulfatase. The sulfatase activity deficiency results in the accumulation of the GAG substrate, dermatan sulfate, throughout the body. This accumulation leads to widespread cellular, tissue, and organ dysfunction. NAGLAZYME is intended to provide an exogenous enzyme that will be taken up into lysosomes and increase the catabolism of GAG. Galsulfase uptake by cells into lysosomes is most likely mediated by the binding of mannose-6-phosphate-terminated oligosaccharide chains of galsulfase to specific mannose-6-phosphate receptors.
Non-Clinical Toxicology
None.When given concurrently the following drugs may interact with thiazide diuretics.
Alcohol, barbiturates, or narcotics
Antidiabetic drugs - (oral agents and insulin)
Other antihypertensive drugs
Corticosteroids, ACTH
Pressor amines (e.g., norepinephrine)
Skeletal muscle relaxants, nondepolarizing (e.g., tubocurarine)
Lithium
Non-steroidal Anti-inflammatory Drugs
Anaphylaxis and severe allergic reactions have been observed in patients during and up to 24 hours after NAGLAZYME infusion. Some of the reactions were life-threatening and included anaphylaxis, shock, respiratory distress, dyspnea, bronchospasm, laryngeal edema, and hypotension. If anaphylaxis or other severe allergic reactions occur, NAGLAZYME should be immediately discontinued, and appropriate medical treatment should be initiated. In patients who have experienced anaphylaxis or other severe allergic reactions during infusion with NAGLAZYME, caution should be exercised upon rechallenge; appropriately trained personnel and equipment for emergency resuscitation (including epinephrine) should be available during infusion [].
Reference
This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"
While we update our database periodically, we cannot guarantee it is always updated to the latest version.
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