MARLBOROUGH, Mass.--(BUSINESS WIRE)--Sepracor Inc. (Nasdaq: SEPR) announced that positive data from three Phase III studies presented today at the 8th European Congress of Epileptology in Berlin, demonstrated that eslicarbazepine acetate, a novel once-daily anti-epileptic agent, significantly reduced the frequency of partial seizures in patients with refractory partial epilepsy, in combination with other anti-epileptic agents.1,2,3