Clinical Research Directory

Inclusion Criteria: * All participants must be 18 years or older. * All enrollees must understand and cooperate with requirements of the study in the opinion of the investigators and must be able to provide written informed consent. * Individuals with GD3 who are medically stable for participation in study in the opinion of the investigator. Exclusion Criteria: * Medically unstable conditions as determined by the investigators. * Concurrent disease; medical condition; or an extenuating circumstance that, in the opinion of the investigator, might compromise subject safety, study compliance, completion of the study, or the integrity of the data collected for the study. * Women who are pregnant or lactating or of child-bearing age that are not using acceptable forms of contraception. * Patients enrolled in another interventional study. * Patients who cannot or are unwilling to have blood drawn. * Inability to undergo Magnetic Resonance Imaging (MRI) scanning, including but not limited to unable to remain still in an MRI scanner for more than 30 minutes, claustrophobia, presence of paramagnetic substances or pacemakers in body, weight over 300 lbs. * Unable to adhere to study protocol for whatever reason.