Alglucosidase Alfa
Generic Name: alglucosidase alfa
Brand Names:
Lumizyme
11 DESCRIPTION Alglucosidase alfa is a hydrolytic lysosomal glycogen-specific enzyme encoded by the predominant of nine observed haplotypes of the human acid α-glucosidase (GAA) gene. Alglucosidase alfa is produced by recombinant DNA technology in a Chinese hamster ovary cell line. Alglucosidase alfa degrades glycogen by catalyzing the hydrolysis of α-1,4- and α-1,6- glycosidic linkages of lysosomal glycogen.
Overview
11 DESCRIPTION Alglucosidase alfa is a hydrolytic lysosomal glycogen-specific enzyme encoded by the predominant of nine observed haplotypes of the human acid α-glucosidase (GAA) gene. Alglucosidase alfa is produced by recombinant DNA technology in a Chinese hamster ovary cell line. Alglucosidase alfa degrades glycogen by catalyzing the hydrolysis of α-1,4- and α-1,6- glycosidic linkages of lysosomal glycogen.
Uses
1 INDICATIONS AND USAGE LUMIZYME ® is a hydrolytic lysosomal glycogen-specific enzyme indicated for patients with Pompe disease (acid α-glucosidase [GAA] deficiency). LUMIZYME ® is a hydrolytic lysosomal glycogen-specific enzyme indicated for patients with Pompe disease (GAA deficiency). ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION Administration of LUMIZYME should be supervised by a healthcare provider knowledgeable in the management of hypersensitivity reactions including anaphylaxis. ( 2.1 ) Recommended dosage is 20 mg/per kg body weight administered every 2 weeks as an intravenous infusion. The initial infusion rate should be no more than 1 mg/kg/hour ( 2.2 ) Reconstitute and dilute LUMIZYME prior to use. ( 2.3 ) See full prescribing information for storage of the reconstituted and diluted product and administration instructions ( 2.4 , 2.5 ) 2.1 Recommendations prior to LUMIZYME Treatment Administration of LUMIZYME should be supervised by a healthcare provider knowledgeable in the management of hypersensitivity reactions including anaphylaxis [see Warnings and Precautions (5.1) ] .
Side Effects
6 ADVERSE REACTIONS The following serious adverse reactions are described below and elsewhere in the labeling: Hypersensitivity Reactions Including Anaphylaxis [see Warnings and Precautions (5.1) ] The most frequently reported adverse reactions (≥5%) in clinical trials were hypersensitivity reactions and included: anaphylaxis, rash, pyrexia, flushing/feeling hot, urticaria, headache, hyperhidrosis, nausea, cough, decreased oxygen saturation, tachycardia, tachypnea, chest discomfort, dizziness, muscle twitching, agitation, cyanosis, erythema, hypertension/increased blood pressure, pallor, rigors, tremor, vomiting, fatigue, and myalgia. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Genzyme at 1-800-633-1610, option 1 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Warnings
WARNING: HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS, IMMUNE-MEDIATED REACTIONS, and RISK OF ACUTE CARDIORESPIRATORY FAILURE WARNING: HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS, IMMUNE-MEDIATED REACTIONS, and RISK OF ACUTE CARDIORESPIRATORY FAILURE See full prescribing information for complete boxed warning. Hypersensitivity Reactions Including Anaphylaxis Anaphylaxis has occurred during the early course of enzyme replacement therapy and after extended duration of therapy. 5 WARNINGS AND PRECAUTIONS Infusion-Associated Reactions (IARs) : If an IAR occurs, decreasing the infusion rate, temporarily stopping the infusion, and/or administration of antihistamines and/or antipyretics may ameliorate the symptoms. ( 5.2 ) Risk of Cardiac Arrhythmia and Sudden Cardiac Death during General Anesthesia for Central Venous Catheter Placement : Caution should be used when administering general anesthesia for the placement of a central venous catheter intended for LUMIZYME infusion. ( 5.5 ) Risk of Developing Anti-alglucosidase Alfa Antibodies : Patients with IOPD should have a cross-reactive immunologic material (CRIM) assessment early in their disease course and be managed by a clinical specialist knowledgeable in immune tolerance induction in Pompe disease. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to LUMIZYME during pregnancy. Pregnant women and women of reproductive potential should be encouraged to enroll in the Pompe patient registry. The registry will monitor the effect of LUMIZYME on pregnant women and their offspring. For more information, visit www.registrynxt.com or call 1-800-745-4447, extension 15500.
Storage
Store LUMIZYME under refrigeration between 2°C and 8°C (36°F and 46°F). Do not use LUMIZYME after the expiration date on the vial.
Frequently Asked Questions
What is Alglucosidase Alfa used for?▼
1 INDICATIONS AND USAGE LUMIZYME ® is a hydrolytic lysosomal glycogen-specific enzyme indicated for patients with Pompe disease (acid α-glucosidase [GAA] deficiency). LUMIZYME ® is a hydrolytic lysosomal glycogen-specific enzyme indicated for patients with Pompe disease (GAA deficiency). ( 1 )
What are the side effects of Alglucosidase Alfa?▼
6 ADVERSE REACTIONS The following serious adverse reactions are described below and elsewhere in the labeling: Hypersensitivity Reactions Including Anaphylaxis [see Warnings and Precautions (5.1) ] The most frequently reported adverse reactions (≥5%) in clinical trials were hypersensitivity reactions and included: anaphylaxis, rash, pyrexia, flushing/feeling hot, urticaria, headache, hyperhidrosis, nausea, cough, decreased oxygen saturation, tachycardia, tachypnea, chest discomfort, dizziness, muscle twitching, agitation, cyanosis, erythema, hypertension/increased blood pressure, pallor, rigors, tremor, vomiting, fatigue, and myalgia. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Genzyme at 1-800-633-1610, option 1 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Can I take Alglucosidase Alfa during pregnancy?▼
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to LUMIZYME during pregnancy. Pregnant women and women of reproductive potential should be encouraged to enroll in the Pompe patient registry. The registry will monitor the effect of LUMIZYME on pregnant women and their offspring. For more information, visit www.registrynxt.com or call 1-800-745-4447, extension 15500.
What are the important warnings for Alglucosidase Alfa?▼
WARNING: HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS, IMMUNE-MEDIATED REACTIONS, and RISK OF ACUTE CARDIORESPIRATORY FAILURE WARNING: HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS, IMMUNE-MEDIATED REACTIONS, and RISK OF ACUTE CARDIORESPIRATORY FAILURE See full prescribing information for complete boxed warning. Hypersensitivity Reactions Including Anaphylaxis Anaphylaxis has occurred during the early course of enzyme replacement therapy and after extended duration of therapy. 5 WARNINGS AND PRECAUTIONS Infusion-Associated Reactions (IARs) : If an IAR occurs, decreasing the infusion rate, temporarily stopping the infusion, and/or administration of antihistamines and/or antipyretics may ameliorate the symptoms. ( 5.2 ) Risk of Cardiac Arrhythmia and Sudden Cardiac Death during General Anesthesia for Central Venous Catheter Placement : Caution should be used when administering general anesthesia for the placement of a central venous catheter intended for LUMIZYME infusion. ( 5.5 ) Risk of Developing Anti-alglucosidase Alfa Antibodies : Patients with IOPD should have a cross-reactive immunologic material (CRIM) assessment early in their disease course and be managed by a clinical specialist knowledgeable in immune tolerance induction in Pompe disease. 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.