Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Observational
Official Title: Biomarker for Sanfilippo Disease - AN INTERNATIONAL, MULTICENTER, EPIDEMIOLOGICAL PROTOCOL
Brief Summary: Development of a new MS-based biomarker for the early and sensitive diagnosis of Sanfilippo Type A-B-C-D disease from plasma and saliva. Testing for clinical robustness, specificity and long-term stability of the biomarker.