A Double-blind Confirmatory Trial of Levetiracetam in Epilepsy Patients With Partial Onset Seizures

"* Active Substance: Levetiracetam~* Pharmaceutical Form: Film-coated tablet~* Concentration: 250 mg~* Route of Administration: Oral Use"

"* Active Substance: Levetiracetam~* Pharmaceutical Form: Film-coated tablet~* Concentration: 500 mg~* Route of Administration: Oral Use"

"* Active Substance: Placebo~* Pharmaceutical Form: Film-coated tablet~* Concentration: 250 mg and 500 mg~* Route of Administration: Oral Use"