ALG13 and Hypsarrhythmia: There are also two male ALG13-CDG patients reports with refractory epilepsy with polymorphic seizures [47] and another with c.320A>G variant in ALG13 with ESp and hypsarrhythmia on EEG, treated with VGB, prednisolone, valproic acid (VPA), nitrazepam (NZP), lamotrigine (LTG).