Study of Safety and Efficacy of MGCND00EP1 as an Add on Treatment in Children and Adolescents With Resistant Epilepsies

Inclusion Criteria: * Patient has documented clinically confirmed diagnosis of epilepsy; * Patient did not respond to at least 2 AED's therapy given in adequate doses; * Patients current therapy is considered inadequate (not completely controlled by AEDs); patients had four or more countable seizures with a motor component per 4 week period; * Patient is aged 1 year - 18 years inclusive at screening age; * Patient took one or more AEDs treatment at dose which has been stable for at least 4 weeks before enrolment; * Females of childbearing potential can only participate in the study if willing to use acceptable, effective methods of contraception during the trial and for three month after end of trial participation as defined in point 7.10 of this protocol; * Patient/parent is able to read/understand informed consent. * Male patients must either be surgically sterile or he and his female spouse/partner who is of childbearing potential must be willing to use highly effective methods of contraception consisting of 2 forms of birth control (1 of which must be a barrier method) starting at screening and continuing throughout the study. * All medications or interventions for epilepsy (including ketogenic diet and vagus nerve stimulation (VNS) were stable for four weeks prior to screening and participants were willing to maintain a stable regimen throughout the study. The ketogenic diet and VNS treatments are not counted as an AED. Exclusion Criteria: * Known history or presence …