Pharmaceutical Japanese drug major Eisai's (TYO: 4523) antiepileptic drug (AED) Fycompa (perampanel), shows a clear therapeutic benefit in difficult-to-treat patients with partial epilepsy, according to the investigators of two new analyses on early clinical experience of perampanel, presented on May 9 at the joint meeting of the German and Austrian Societies for Epileptology and the Swiss League Against Epilepsy in Interlaken, Switzerland. Perampanel was approved for use in the Europe Union in July 2012 and is now prescribed in several European countries, including Germany, Austria and Switzerland. 10 May 2013