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Aldurazyme

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Aldurazyme

ALDURAZYME
(laronidase) Solution for Intravenous Infusion

WARNING

RISK OF ANAPHYLAXIS.

Life-threatening anaphylactic reactions have been observed in some patients during ALDURAZYME® infusions. Therefore, appropriate medical support should be readily available when ALDURAZYME is administered. Patients with compromised respiratory function or acute respiratory disease may be at risk of serious acute exacerbation of their respiratory compromise due to infusion reactions, and require additional monitoring.

DRUG DESCRIPTION

ALDURAZYME (laronidase) is a polymorphic variant of the human enzyme α-L-iduronidase that is produced by recombinant DNA technology in a Chinese hamster ovary cell line. α-L-iduronidase (glycosaminoglycan α- L-iduronohydrolase, EC 3.2.1.76) is a lysosomal hydrolase that catalyzes the hydrolysis of terminal α-Liduronic acid residues of dermatan sulfate and heparan sulfate.

Laronidase is a glycoprotein with a molecular weight of approximately 83 kD. The predicted amino acid sequence of the recombinant form, as well as the nucleotide sequence that encodes it, are identical to a polymorphic form of human α-L-iduronidase. The recombinant protein is comprised of 628 amino acids after cleavage of the N-terminus and contains 6 N-linked oligosaccharide modification sites. Two oligosaccharide chains terminate in mannose-6-phosphate sugars. ALDURAZYME has a specific activity of approximately 172 U/mg.

ALDURAZYME, for IV infusion, is supplied as a sterile, nonpyrogenic, colorless to pale yellow, clear to slightly opalescent solution that must be diluted prior to administration in 0.9% Sodium Chloride Injection, USP. The solution in each vial contains a nominal laronidase concentration of 0.58 mg/mL and a pH of approximately 5.5. The extractable volume of 5.0 mL from each vial provides 2.9 mg laronidase, 43.9 mg sodium chloride, 63.5 mg sodium phosphate monobasic monohydrate, 10.7 mg sodium phosphate dibasic heptahydrate, and 0.05 mg polysorbate 80. ALDURAZYME does not contain preservatives; vials are for single use only.

What are the possible side effects of laronidase (Aldurazyme)?

Some people receiving a laronidase 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, skin rash or itching, warmth or tingly feeling, pale skin, or trouble breathing when laronidase is injected.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; wheezing, difficult breathing; slow heartbeats; feeling like you might pass out; swelling of your face, lips, tongue, or throat.

Tell your caregivers at once if you have a serious side effect such...

Read All Potential Side Effects and See Pictures of Aldurazyme »

Last reviewed on RxList: 4/18/2013
This monograph has been modified to include the generic and brand name in many instances.

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