Sebelipase Alfa
Generic Name: sebelipase alfa
Brand Names:
Kanuma
11 DESCRIPTION Sebelipase alfa is a recombinant human lysosomal acid lipase (rhLAL) that is a lysosomal glycoprotein enzyme produced by recombinant DNA technology in the egg white of eggs laid by genetically engineered chickens. Purified sebelipase alfa is a monomeric glycoprotein containing 6 N-linked glycosylation sites and has a molecular mass of approximately 55 kDa. The amino acid sequence for sebelipase alfa is the same as the amino acid sequence for human LAL.
Overview
11 DESCRIPTION Sebelipase alfa is a recombinant human lysosomal acid lipase (rhLAL) that is a lysosomal glycoprotein enzyme produced by recombinant DNA technology in the egg white of eggs laid by genetically engineered chickens. Purified sebelipase alfa is a monomeric glycoprotein containing 6 N-linked glycosylation sites and has a molecular mass of approximately 55 kDa. The amino acid sequence for sebelipase alfa is the same as the amino acid sequence for human LAL.
Uses
1 INDICATIONS AND USAGE KANUMA ® is indicated for the treatment of patients with a diagnosis of Lysosomal Acid Lipase (LAL) deficiency. KANUMA ® is a hydrolytic lysosomal cholesteryl ester and triacylglycerol-specific enzyme indicated for the treatment of patients with a diagnosis of Lysosomal Acid Lipase (LAL) deficiency. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION Administration of KANUMA should be supervised by a healthcare provider knowledgeable in the management of hypersensitivity reactions including anaphylaxis. ( 2.1 ) Infants with Rapidly Progressive LAL Deficiency Presenting within the First 6 Months of Life: The recommended starting dosage is 1 mg/kg as an intravenous infusion once weekly. ( 2.2 ) For patients with a suboptimal clinical response, increase the dosage to 3 mg/kg once weekly. ( 2.2 ) For patients with continued suboptimal clinical response, further increase the dosage to 5 mg/kg once weekly. ( 2.2 ) Pediatric and Adult Patients with LAL Deficiency: The recommended dosage is 1 mg/kg as an intravenous infusion once every other week.
Side Effects
6 ADVERSE REACTIONS The most common adverse reactions are: Infants with Rapidly Progressive LAL Deficiency Presenting within the First 6 Months of Life (≥30%): diarrhea, vomiting, fever, rhinitis, anemia, cough, nasopharyngitis, and urticaria. ( 6.1 ) Pediatric and Adult Patients with LAL Deficiency (≥8%): headache, fever, oropharyngeal pain, nasopharyngitis, asthenia, constipation, and nausea.
Warnings
WARNING: HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS Patients treated with enzyme replacement therapies have experienced life-threatening hypersensitivity reactions, including anaphylaxis. Anaphylaxis has occurred during the early course of enzyme replacement therapy and after extended duration of therapy. Initiate KANUMA in a healthcare setting with appropriate medical monitoring and support measures, including access to cardiopulmonary resuscitation equipment. 5 WARNINGS AND PRECAUTIONS Hypersensitivity to Eggs or Egg Products: Consider the risks and benefits of treatment in patients with known systemic hypersensitivity reactions to eggs or egg products. ( 5.2 ) 5.1 Hypersensitivity Reactions Including Anaphylaxis Life-threatening hypersensitivity reactions, including anaphylaxis, have been reported in patients treated with enzyme replacement therapies, including KANUMA. These reactions in KANUMA-treated patients were based on application of Sampson criteria to identify signs/symptoms consistent with anaphylaxis. In clinical trials, 3 (infants) of 106 (3%) patients treated with KANUMA experienced signs and symptoms consistent with anaphylaxis. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Available data with KANUMA use in pregnant women are insufficient to identify a drug-associated risk of major birth defects, miscarriage or other adverse maternal or fetal outcomes. Animal reproductive studies conducted with sebelipase alfa showed no evidence of embryolethality, fetotoxicity, teratogenicity, or abnormal early embryonic development at dosages up to 164 and 526 times the human dosage of 1 mg/kg every other week (based on AUC) in rats and rabbits, respectively.
Storage
Store KANUMA refrigerated at 2°C to 8°C (36°F to 46°F) in original carton to protect from light. Do not shake or freeze the vials.
Frequently Asked Questions
What is Sebelipase Alfa used for?▼
1 INDICATIONS AND USAGE KANUMA ® is indicated for the treatment of patients with a diagnosis of Lysosomal Acid Lipase (LAL) deficiency. KANUMA ® is a hydrolytic lysosomal cholesteryl ester and triacylglycerol-specific enzyme indicated for the treatment of patients with a diagnosis of Lysosomal Acid Lipase (LAL) deficiency. ( 1 )
What are the side effects of Sebelipase Alfa?▼
6 ADVERSE REACTIONS The most common adverse reactions are: Infants with Rapidly Progressive LAL Deficiency Presenting within the First 6 Months of Life (≥30%): diarrhea, vomiting, fever, rhinitis, anemia, cough, nasopharyngitis, and urticaria. ( 6.1 ) Pediatric and Adult Patients with LAL Deficiency (≥8%): headache, fever, oropharyngeal pain, nasopharyngitis, asthenia, constipation, and nausea.
Can I take Sebelipase Alfa during pregnancy?▼
8.1 Pregnancy Risk Summary Available data with KANUMA use in pregnant women are insufficient to identify a drug-associated risk of major birth defects, miscarriage or other adverse maternal or fetal outcomes. Animal reproductive studies conducted with sebelipase alfa showed no evidence of embryolethality, fetotoxicity, teratogenicity, or abnormal early embryonic development at dosages up to 164 and 526 times the human dosage of 1 mg/kg every other week (based on AUC) in rats and rabbits, respectively.
What are the important warnings for Sebelipase Alfa?▼
WARNING: HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS Patients treated with enzyme replacement therapies have experienced life-threatening hypersensitivity reactions, including anaphylaxis. Anaphylaxis has occurred during the early course of enzyme replacement therapy and after extended duration of therapy. Initiate KANUMA in a healthcare setting with appropriate medical monitoring and support measures, including access to cardiopulmonary resuscitation equipment. 5 WARNINGS AND PRECAUTIONS Hypersensitivity to Eggs or Egg Products: Consider the risks and benefits of treatment in patients with known systemic hypersensitivity reactions to eggs or egg products. ( 5.2 ) 5.1 Hypersensitivity Reactions Including Anaphylaxis Life-threatening hypersensitivity reactions, including anaphylaxis, have been reported in patients treated with enzyme replacement therapies, including KANUMA. These reactions in KANUMA-treated patients were based on application of Sampson criteria to identify signs/symptoms consistent with anaphylaxis. In clinical trials, 3 (infants) of 106 (3%) patients treated with KANUMA experienced signs and symptoms consistent with anaphylaxis. 4 CONTRAINDICATIONS None. None. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.