Europe — EMA
Naglazyme (Galsulfase)
GNH USA supplies Naglazyme (Galsulfase), a enzyme replacement therapy for mucopolysaccharidosis type VI (Maroteaux‑Lamy syndrome).
Request sourcing
What is Galsulfase?
Galsulfase, the active ingredient in Naglazyme, is an enzyme replacement therapy presented as a solution for injection for intravenous use. It treats mucopolysaccharidosis type VI (Maroteaux‑Lamy syndrome) in patients with the inherited enzyme deficiency.
GNH USA supplies Naglazyme as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, transplant centres, oncology centres, pharmacies and clinics worldwide.
What is Galsulfase used for?
Naglazyme is an enzyme replacement therapy indicated for a lysosomal storage disorder affecting glycosaminoglycan degradation.
- Mucopolysaccharidosis type VI (Maroteaux‑Lamy syndrome): Improves breakdown of accumulated dermatan sulfate and chondroitin‑4‑sulfate, helping to stabilize or improve clinical symptoms such as joint stiffness, organ enlargement, and respiratory function.
What are the side effects of Galsulfase?
Common Side Effects: - Infusion‑related reactions (fever, chills, headache) - Nausea or vomiting - Mild rash or erythema at the infusion site - Transient abdominal discomfort - Fatigue or malaise
Serious or Rare Side Effects: - Anaphylactic or severe hypersensitivity reactions - Serum sickness‑like illness - Significant hepatic enzyme elevation - Thrombocytopenia or other hematologic abnormalities - Severe pulmonary or cardiac complications
What precautions apply to Galsulfase?
Naglazyme requires individualized dosing and careful monitoring by a specialist.
- Dose individualization: dosing is based on body weight and clinical response as determined by the prescribing physician. - Monitoring: regular assessment of urinary glycosaminoglycan levels and organ function is recommended. - Allergy assessment: evaluate for hypersensitivity to galsulfase or any excipients before initiation. - Pregnancy and lactation: safety not established; use only if potential benefit justifies the risk. - Immunogenicity: antibodies may develop, potentially reducing efficacy or causing reactions. - Store at 2-8°C: keep refrigerated, protect from light, do not freeze or shake.
What does Galsulfase interact with?
Naglazyme has a limited interaction profile, but caution is advised with certain co‑administered agents.
Major Interactions (Avoid): - Concurrent lysosomal enzymes: may increase risk of additive immune responses. - Live vaccines: potential for altered immune response; avoid simultaneous administration.
Moderate Interactions (Monitor Closely): - Antihistamines: may mask early signs of infusion reactions. - Corticosteroids: can reduce antibody formation, potentially affecting efficacy. - Immunosuppressants: may alter the immune response to the enzyme and affect safety monitoring.



