Neurological, neuropsychological evaluations, and EEG recordings should be assessed when appropriate. A regular evaluation by either a neuropaediatrician or adult neurologist is recommended. Patients with epilepsy should be regularly seen to monitor antiepileptic drug levels.

Treatment of manifestations
Physiotherapy, speech therapy and other interventions to improve motor coordination, communication, educational programs directed to specific disabilities identified.
Treatment by dopamine and dopamine agonists has been suggested as effective in one patient but not in others. A study assessing the efficacy of this treatment on larger cohort is not yet available.