Methods	Parallel trial. Randomization concealed using sealed opaque envelopes. Random list generated using random permuted blocks. Unblinded.
Participants	People with newly diagnosed epilepsy. Number randomized = PHB group = 58 people, PHT group = 63 people. 44% of participants had partial epilepsy. 49% of participants were male. Mean age (range) 34 (14-77) years. Follow-up in months: median (range) 61 (1-156).
Interventions	Monotherapy with PHB or PHT. Median daily dose achieved PHB = 105 mg/day PHT = 300 mg/day.
Outcomes	Time to 12-month remission. Time to first seizure.
Notes
Risk of bias
Item	Authors’ judgement	Description
Allocation concealment?	Yes	A - Adequate