Journal
JOURNAL OF INHERITED METABOLIC DISEASE
Volume 24, Issue 2, Pages 266-274Publisher
SPRINGER
DOI: 10.1023/A:1010383421286
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Pompe disease is a metabolic myopathy caused by deficiency of lysosomal acid alpha -glucosidase. In this report we review the first 36 weeks of a clinical study on the safety and efficacy of enzyme therapy aimed at correcting the deficiency. Four patients with infantile Pompe disease were enrolled. They received recombinant human alpha -glucosidase from transgenic rabbit milk. The product is generally well tolerated and reaches the primary target tissues. Normalization of alpha -glucosidase activity in skeletal muscle was obtained and degradation of PAS-positive material was seen in tissue sections. The clinical condition of all patients improved. The effect on heart was most significant, with an impressive reduction of the left ventricular mass index (LVMI). Motor function improved. The positive preliminary results stimulate continuation and extension of efforts towards the realization of enzyme therapy for Pompe disease.
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