Rare Diseases Symptoms Automatic Extraction

[The switch of enzyme therapy in Fabry disease].

[fabry disease]

Fabry disease (FD) is a multiorgan X-linked lysosomal storage disorder resulted from the deficiency of the lysosomal enzyme alpha galactosidase A. It particularly affects the heart, kidneys and cerebrovascular system. The treatment options for FD patients include long-term enzyme replacement therapy (ERT). Two recombinant enzyme formulations for the ERT of FD are available on European market: agalsidase alfa and agalsidase beta. Numerous evidences in the literature have confirmed the safety and efficacy of ERT. However, to date, there have been limited comparisons between the two agents, and no firm conclusion can be drawn regarding their specific efficacy and safety. In June 2009, a viral contamination in the manufacturing process of Fabrazyme led to a global shortage of agalsidase beta. Recommendations to shift patients to the recommended dose of Replagal were published by the European Medicines Agency (EMA) for all patients receiving Fabrazyme. This offered the unique opportunity to compare, although indirectly, the two drugs evaluating any clinical modification or adverse events that occurred after the switch. Moreover, with the increased availability of agalsidase beta in the last 3 months of 2012, some of the patients who previously switched to agalsidase alfa, were switched-back and returned to full-dose agalsidase beta. This article reviews the published evidence for the clinical efficacy of the two available enzyme preparations and compare it with the experience of our center.

Diseases presenting "and no firm conclusion can be drawn regarding their specific efficacy and safety" symptom

  • fabry disease

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