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A systematic review of new advances in the management of mucopolysaccharidosis VI (Maroteaux-Lamy syndrome): focus on galsulfase

Authors El Dib R, Pastores GM

Published 28 September 2009 Volume 2009:3 Pages 459—468


Review by Single anonymous peer review

Peer reviewer comments 2

Regina P El Dib1, Gregory M Pastores2

1Department of Surgery, McMaster University, McMaster Institute of Urology, Hamilton, Ontario, Canada; 2Department of Neurology and Pediatrics, New York University School of Medicine, New York, NY, USA

Introduction: Mucopolysaccharidosis type VI (MPS VI, Maroteaux-Lamy syndrome) is an autosomal recessive lysosomal storage disorder, characterized primarily by skeletal dysplasia and joint contracture. It is caused by a deficiency of N-acetylgalactosamine-4-sulfatase (arylsulfatase B), for which a recombinant formulation (galsulfase) is available as replacement therapy.

Objective: To evaluate the effectiveness and safety of galsulfase compared to placebo or no interventions, for treating MPS VI. We also considered studies evaluating different doses of galsulfase.

Methods: A systematic review of the literature was conducted. A computerized electronic search in MEDLINE, EMBASE, CENTRAL, SciELO, and LILACS was carried on to identify any randomized trials that met our inclusion criteria.

Results: Two studies were included in the review. Because the number of studies was small, our analysis probably did not find any statistically significant difference. Long-term follow-up will be required to ascertain full clinical benefit, on both event-free survival and quality of life measures.

Conclusions: There is some evidence to support the use of galsulfase in the treatment of MPS VI; however due to the very low quantity of included studies we could not analyze it in an appropriate way. This review highlights the need for continued research into the use of enzyme replacement therapy for MPS VI.

Keywords: mucopolysaccharidosis VI, Maroteaux-Lamy syndrome, galsulfase, naglazyme, systematic review

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