The Sanfilippo syndrome, also known as mucopolysaccharidosis type III, is a neurodegenerative disease manifested mainly affects children and in the central nervous system. The lack of an enzyme causes accumulation occurs gag's (long chain sugars - mucopolysaccharides) in lysosomes of cells, causing long-term dementia, mental retardation, motor disorders. It is a fatal disease, currently no cure or therapy. Being a rare disease, it is difficult to obtain information or solutions to deal with it.