Ved fortsat langtidsbehandling var 28, 6% af patienterne fri for myoklone anfald i mindst 6 måneder, og 21, 0% var fri for myoklone anfald i mindst 1 år.
With continued long-term treatment, 28.6% of the patients were free of myoclonic seizures for at least 6 months and 21.0% were free of myoclonic seizures for at least 1 year.