Lamzede (velmanase alfa-tycv)

Metabolic Disease Enzyme Replacement, Alpha-Mannosidosis Intravenous Vial (Ea)

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Last reviewed · Source: First Databank (FDB) drug data

Overview

Velmanase alfa-tycv is a recombinant preparation of human lysosomal alpha-mannosidase.

Velmanase alfa-tycv is a recombinant form of the human alpha-mannosidase enzyme. The drug functions as an enzyme replacement therapy for the deficient endogenous alpha-mannosidase enzyme in patients with alpha-mannosidosis. Velmanase alfa-tycv is produced by recombinant DNA technology in Chinese Hamster Ovary cells; the amino acid sequence of the monomeric protein is identical to the naturally occurring human alpha-mannosidase enzyme.

Alpha-mannosidosis is a lysosomal storage disorder caused by reduced activity of the enzyme alpha-D-mannosidase; deficiency of this enzyme leads to accumulation of mannose-rich oligosaccharides. Velmanase alfa-tycv provides an exogenous source of alpha-D-mannosidase. The drug is internalized via binding to the mannose-6-phosphate receptor on the cell surface and transported into lysosomes where it is thought to exert its enzyme activity.

Pharmacokinetic data for velmanase alfa-tycv are limited. The metabolic pathway has not been characterized, but is expected to involve catabolic pathways metabolizing the drug into small peptides. The mean terminal half-life of velmanase alfa-tycv is 33.6 hours in patients with alpha-mannosidosis.

Generic name: velmanase alfa-tycv
Drug class: Metabolic Disease Enzyme Replacement, Alpha-Mannosidosis
Therapeutic class: Metabolic Disease Enzyme Replacement Agents

Reference product & biosimilars

No reference, biosimilar or interchangeable associated with this drug.

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Indications

The following indications are listed for Lamzede:

  • Alpha-Mannosidosis

Also known as: Alpha-D-Mannosidase Deficiency, Alpha-Mannosidase Deficiency.

Dosing

In the event of a mild to moderate hypersensitivity reaction or a mild to moderate infusion-associated reaction (IAR), consider temporarily holding the infusion for 15-30 minutes, slowing the infusion rate to 25-50% of the recommended rate, and initiating appropriate medical treatment. If symptoms persist after slowing the infusion, stop the infusion and monitor the patient. If symptoms continue to persist, consider re-initiating the infusion within 7-14 days at 25-50% of the recommended rate with appropriate pretreatment. If symptoms subside after holding or slowing the infusion, resume the infusion at 25-50% of the recommended rate. If tolerated, increase the infusion rate by 25% of the recommended rate until the recommended infusion rate is reached. Closely monitor the patient.

In the event of a severe hypersensitivity reaction, including anaphylaxis, or severe IAR, immediately discontinue the infusion and initiate appropriate medical treatment.

Drug interactions

No formal drug interaction studies have been performed to date. Velmanase alfa-tycv is not a substrate or inhibitor/inducer of major cytochrome P-450 (CYP) enzymes, or a substrate or inhibitor of major transporters.

Contraindications

*None

Adverse reactions

Most common adverse reactions (incidence >20%) are hypersensitivity reactions (including anaphylaxis), nasopharyngitis, pyrexia, headache, and arthralgia.

Precautions

No enhanced messaging available.

ICD codes

CodeTypeDescription
Alpha-mannosidosis
E77.1ICD10CMDefects in glycoprotein degradation

ICD code information from First Databank (FDB).

Formulary status

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Last reviewed · Source: First Databank (FDB) drug data