Kanuma (sebelipase alfa)

Metabolic Enzyme Replacemnt-Lysosomal Acid Lipase Deficiency Intravenous Vial (Ml)

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

Overview

Sebelipase alfa is a biosynthetic (recombinant DNA origin) form of human lysosomal acid lipase, a lysosomal enzyme that catalyzes the hydrolysis of cholesteryl esters and triglycerides.

Sebelipase alfa is a biosynthetic (recombinant DNA origin) form of human lysosomal acid lipase, a lysosomal enzyme that catalyzes the hydrolysis of cholesteryl esters to free cholesterol and fatty acids and the hydrolysis of triglycerides to glycerol and free fatty acids. The drug is produced in the egg whites of genetically engineered chickens. The amino acid sequence for sebelipase alfa is identical to that of human lysosomal acid lipase.

Lysosomal acid lipase deficiency causes accumulation of cholesteryl esters and triglycerides in various cells and organs throughout the body leading to clinical manifestations. Sebelipase alfa binds to cell surface receptors and is subsequently internalized into lysosomes; the drug then catalyzes lysosomal hydrolysis of cholesteryl esters and triglycerides to free cholesterol, glycerol, and free fatty acids. In clinical studies, treatment with the drug increased survival beyond 12 months of age in patients with rapidly progressive infantile-onset lysosomal acid deficiency (i.e., Wolman disease) and improved lipid parameters (decreased low-density lipoprotein (LDL)-cholesterol and triglyceride concentrations; increased high-density lipoprotein (HDL)-cholesterol concentrations) in adults and pediatric patients with late-onset disease (i.e., cholesterol ester storage disease).

In addition, the drug decreased ALT concentrations, generally within 2 weeks after initiation, in patients with elevated ALT concentrations at baseline.

USES: This medication is used to treat a certain rare genetic problem (lysosomal acid lipase deficiency LAL-D). Sebelipase alfa replaces a certain natural substance (an enzyme called lysosomal acid lipase) that is missing in people with LAL-D. This helps the body to breakdown fats.

High fat levels can lead to liver damage or high blood cholesterol levels.

Generic name: sebelipase alfa
Pronunciation: (SE-be-LYE-pase AL-fa)
Drug class: Metabolic Enzyme Replacemnt-Lysosomal Acid Lipase Deficiency
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 Kanuma:

  • Lysosomal Acid Lipase Deficiency

Also known as: Lal Deficiency, Lipa Deficiency.

Dosing

The recommended initial dosage of sebelipase alfa in patients with rapidly progressive lysosomal acid lipase deficiency presenting within the first 6 months of life is 1 mg/kg as an IV infusion once weekly. For infants who do not achieve an optimal clinical response, the dosage may be increased to 3 mg/kg once weekly. For infants who continue to experience a suboptimal response at the 3 mg/kg once weekly dosage, the dosage may be increased to 5 mg/kg once weekly. Suboptimal response is defined as the presence of any of the following: poor growth, deteriorating biochemical markers, or persistent or worsening organomegaly.

The recommended dosage of sebelipase alfa in adults and pediatric patients with lysosomal acid lipase deficiency is 1 mg/kg as an IV infusion once every other week. For patients who do not achieve an optimal clinical response, the dosage may be increased to 3 mg/kg once every other week. Suboptimal response is defined as the presence of any of the following: poor growth, deteriorating biochemical markers, and/or lipid metabolism parameters.

Drug interactions

Formal drug interaction studies have not been performed to date with sebelipase alfa.

Contraindications

*None.

Adverse reactions

The most common adverse reactions (>=30%) in infants with rapidly progressive lysosomal acid lipase deficiency presenting within the first 6 months of life receiving sebelipase alfa include diarrhea, vomiting, fever, rhinitis, anemia, cough, nasopharyngitis, and urticaria.

The most common adverse reactions (>=8%) in pediatric and adult patients with lysosomal acid lipase deficiency receiving sebelipase alfa include headache, fever, oropharyngeal pain, nasopharyngitis, asthenia, constipation, and nausea.

Precautions

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ICD codes

CodeTypeDescription
Lysosomal acid lipase deficiency
E75.5ICD10CMOther lipid storage disorders

ICD code information from First Databank (FDB).

Formulary status

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