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Active ingredient: Laronidase - Brands, Medical Use, Clinical Data

Brands, Medical Use, Clinical Data

Drug Category

  • Enzyme replacement

Dosage Forms

  • Solution (IV infusion)

Brands / Synonyms

Aldurazyme; Aldurazyme (Biomarin Pharmaceuticals) ; Alpha-L-iduronidase precursor


Human recombinant alpha-L-iduronidase, 628 residues (mature form), produced by recombinant DNAtechnology in a Chinese hamster ovary cell line. 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 a-L-iduronidase. It contains 6 N-linked oligosaccharide modification sites.


For the treatment of mucopolysaccharidosis


Laronidase is used to treat mucopolysaccharide storage disorders (specifically mucopolysaccharidosis 1 or Hurlers syndrome) caused by deficiencies of alpha-L-iduronidase. Reduced or absent a-L-iduronidase activity results in the accumulation of the GAG substrates, dermatan sulfate and heparan sulfate, throughout the body and leads to widespread cellular, tissue, and organ dysfunction.

Mechanism of Action

Laronidase catalyses the hydrolysis of terminal alpha-L-iduronic acid residues of dermatan sulfate and heparin sulfate.


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Biotrnasformation / Drug Metabolism

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Drug Interactions

Not Available

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