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This study observationally follows the natural course over time of inherited metabolic diseases called the gangliosidoses. People with a documented gangliosidosis disease who are able to complete the appropriate neuropsychological and neurobehavioral assessments can take part. This is a study without a phase and is still recruiting participants.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria: 1. Subjects must have a documented gangliosidosis disease. 2. Subjects must be able to complete appropriate neuropsychological and neurobehavioral assessments. 3. Late-onset gangliosidosis subjects must be able to tolerate a head MRI. Exclusion Criteria: 1\. There are no exclusion criteria, beyond a desire not to participate.