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Bone complications in children with Gaucher disease

¹ Burlo Garofolo Institute, Trieste, Italy, ² Children's Hospital of the Johannes-Gutenberg University, Mainz, Germany, ³ Keck School of Medicine, University of Southern California, USA and ⁴ Children's Foundation Research Hospital, Cincinnati, Ohio, USA

Correspondence: Dr Bruno Bembi, Burlo Garofolo Institute, Via dell'Istria 65/1, 34137 Trieste, Italy. Tel. +39 40 3785500; Fax +39 40 3785210; email bembi{at}burlo.trieste.it

For paediatric patients with Gaucher disease, enzyme replacement therapy (ERT) has the potential to prevent the development of serious, irreversible skeletal complications. Analysis of skeletal data for paediatric patients receiving ERT must take into account the pubertal growth spurt and developmental changes in bone marrow composition. In a study conducted at the Burlo Garofolo Institute in Trieste, Italy, 10 paediatric patients have received ERT, and data are available for 3–9 years of follow-up. ERT was associated with a significant increase in the mean lumbar bone mineral density (BMD) Z score after 2 years of treatment (p=0.003). Skeletal growth rates increased among patients exhibiting growth delays. At the Gaucher Disease Treatment Center in Cincinnati, OH, USA, a total of 11 paediatric patients have been followed for 2 years or more of ERT. Of these 11 patients, 6 have demonstrated significant increases in lumbar BMD after 2 years of ERT; these patients tended to have lower BMD Z scores at the start of ERT. At the Children's Hospital of the Johannes-Gutenberg University in Mainz, Germany, 7 children with type 1 Gaucher disease presented with reduced BMD in the distal ulna, and after 18–24 months of ERT, these patients demonstrated increases in BMD at this site. The patients exhibiting growth retardation experienced growth acceleration during treatment. These studies suggest that ERT improves BMD and growth rates in paediatric patients with Gaucher disease. ERT in paediatric patients may have the potential to prevent serious skeletal complications such as fractures and vertebral compression later in life.

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				L W Poll, M Maas, M R Terk, M Roca-Espiau, B Bembi, G Ciana, and N J Weinreb Response of Gaucher bone disease to enzyme replacement therapy Br. J. Radiol., May 24, 2002; 75(90001): A25 - 36. [Abstract] [Full Text] [PDF]