NCT01707433
MPS IVA, MPS VI, Mucopolysaccharidosis IV A, Mucopolysaccharidosis VI
The below information is taken directly from public registry websites such as ClinicalTrials.gov, EuClinicalTrials.eu, ISRCTN.com, etc. and has not been edited.
BACKGROUND/OBJECTIVE: Quantitative urine screening for mucopolysaccharides (MPS) has been the primary method for detecting mucopolysaccharidoses in children. This method may not be sufficiently sensitive and may miss some patients with arylsulfatase B (ARSB) deficiency. Investigators propose to identify patients retrospectively and prospectively who carry a diagnosis of spondyloepiphyseal dysplasia, multiple epiphyseal dysplasia, bilateral proximal femoral epiphyseal dysplasia, or bilateral Legg-Calve-Perthes. For these patients, investigators will perform enzyme testing on a blood sample which will identify MPS VI or IVA.
Patients who have an earlier diagnosis of MPS are likely to have better health outcomes with medical management. Therefore, it is important to determine effective diagnostic methods. Investigators believe that bilateral hip involvement should alert the clinician to the possibility of MPS VI and further examination. The purpose of this study is to test the hypothesis that the correct diagnoses of two MPS storage disorders are delayed in patients with bilateral proximal femoral epiphyseal dysplasia and normal quantitative urine MPS studies.
All
Up to 21 Years
No
Enzyme testing
Observational
22
2012-10
2015-08-04
Minneapolis, Minnesota, United States
St Paul, Minnesota, United States
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