Mucopolysaccharidosis VI: Evaluation After 2 Years of Treatment

Abstract Introduction: Mucopolysaccharidosis VI (MPS VI) is the result of the absence of arylsulfatase B leading to the abnormal lysosomal accumulation of glycosaminoglycans. Two different phenotypes have been described to date, namely, rapidly progressive and slowly progressive. Aim: To present the evolution of a slowly progressive phenotype of MPS VI in a patient after 2 years of enzyme replacement therapy. Case report: A 26-year-old man diagnosed with MPS VI at 9 years of age started enzyme replacement therapy with galsulfase due to cardiac, pulmonary, neurologic, and joint involvement. ...