Open-label, Randomized, Active-controlled Study of LEV Used as Monotherapy in Patients With Partial-Onset Seizures

"Immediate release film-coated tablets at strengths of 250 mg and 500 mg.~* Up-titration Period (Week 1 to Week 3): Levetiracetam (LEV) 250 mg twice daily (bid)~* Stabilization Period and Evaluation Period (Week 3 to Week 30): LEV 500 mg bid~* Down-titration Period (Week 30 up to Week 33)"

"Immediate release tablets at a strength of 200 mg.~* Up-titration Period (Week 1 to Week 3): Carbamazepine- Immediate Release (CBZ-IR) 200 mg once daily (qd)~* Stabilization Period and Evaluation Period (Week 3 to Week 30): CBZ-IR 200 mg bid~* Down-titration Period (Week 30 up to Week 33)"