Lennox-Gastaut syndrome is a severe form of epilepsy, characterised by onset in early childhood of frequent seizures of multiple types.
is a broad-spectrum anticonvulsant that is structurally distinct from other antiepileptic drugs. It modulates the activity of neuronal sodium channels, prolonging their inactive state. Efficacy against seizures of Lennox-Gastaut syndrome has been demonstrated.
Further information: Eisai 020 8600 1400