Study Design: Follow up visit The participant returns to the CCTS for a 1-day evaluation within 1 week of completing the on-drug 6 week phase This final clinical assessment includes interim history and physical neuropsychological testing questionnaires review of amount of remaining study drug review on AHC Episode Log data option to continue drug A written plan of action is provided to the family at the time of this follow-up visit, with copies sent to local physicians
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