RESULTS	The most commonly reported treatment-emergent adverse events were somnolence ( GEn : 1200 mg , 36 % and 600 mg , 14 % ; placebo ,15 % ) and dizziness ( GEn : 1200 mg , 18 % and 600 mg , 14 % ; placebo , 3 % ) , most of which were rated mild or moderate in intensity .\