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FDA to review Sunovion’s sNDA of Aptiom to treat partial-onset seizures

The US Food and Drug Administration (FDA) has accepted to review Sunovion Pharmaceuticals' supplemental new drug application (sNDA) for the use of Aptiom (eslicarbazepine acetate) as monotherapy treatment of partial-onset seizures.

Aptiom is approved for use as adjunctive treatment of partial-onset seizures and is not approved for use as monotherapy for partial-onset seizures.

The sNDA included data from two designed identically Phase III double-blind, historical-controlled, multi-center randomized trials involving patients with partial-onset seizures.

The two trials (093-046 and 093-045) assessed the safety and efficacy of Aptiom 1,600mg/day or 1,200mg/day as monotherapy treatment in patients 16 years of age or older whose seizures were not well-controlled by other antiepileptic drugs (AEDs).

Sunovion executive vice-president and chief medical officer Dr Antony Loebel said: "Aptiom has been well-received for use as an adjunctive treatment in partial-onset seizures."

All patients in the 093-045 study were evaluated in North America, while study 093-046 included around 25% of patients from the US and about 75% from four European countries.

Primary endpoint in the two trials was the proportion of patients with partial-onset seizures meeting pre-defined exit criteria 16 weeks post-titration of APTIOM, in comparison to historical controls.