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Information about Sanfilippo syndrome


Sanfilippo syndrome is a genetic disorder that leads to a form of childhood dementia. Learn more about the disease here.


Sanfilippo is caused by mutations in one of four genes that produce the enzymes needed to break down heparan sulfate. Learn more about what causes the disease here.


Symptoms range from behavioral problems to developmental delays and sleep issues. Learn more about the symptoms of the disease here.