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Eisai Zonegran extended license application gets EMA acceptance

Eisai has received the European Medicines Agency (EMA) acceptance for reviewing its license extension application for the usage of the company's antiepileptic drug Zonegran (zonisamide) as a monotherapy, which was earlier approved as an adjunctive therapy.

With this license extension application, the company is seeking marketing approval from the EMA for Zonegran as a monotherapy for patients suffering from epilepsy with partial seizures, with and without secondary generalization.

The submission of the application was done on the basis of a multicenter, double-blind, randomized study comparing daily zonisamide with twice-daily controlled release carbamazepine as monotherapy.

The study involved around 583 adult patients with newly diagnosed partial-onset epilepsy.

The results of the trial suggested that zonisamide was effective and well tolerated when used as a monotherapy in newly diagnosed epilepsy patients.