Methods	Randomised observational controlled study. 4 treatment arms: 1 LEV fast rate, 2 LEV slow rate, 3 PGB fast rate, 4 PGB slow rate dosage
Participants	128 patients with refractory partial epilepsy (32 in each treatment arm)
Interventions	Group 1: starting dose of 1000 mg BD LEV fast rate with weekly increments of 500 mg Group 2: starting dose of 500 mg BD LEV slow rate with weekly increments of 250 mg Group 3: starting dose of 300 mg BD PGB fast rate with weekly increments of 150 mg Group 4: starting dose of 150 mg BD PGB slow rate with weekly increments of 75 mg
Outcomes	Rate of withdrawals and continuation to maximum dose Incidence of adverse events
Notes	Study reported in abstract form only. Further details of study are unavailable