Study Status: Enrolling by invitation
Recruit Status: Enrolling by invitation
Study Type: Interventional
Official Title: An Extension Study of Intrathecal Enzyme Replacement for Cognitive Decline in Mucopolysaccharidosis I
Brief Summary: This is a five-year extension study of the pilot study, "Intrathecal Enzyme Replacement for Cognitive Decline in MPS I". Participants must have completed the pilot study to participate in this study.