Table 1.

Levels of study medication at hour 1 and hour 6 after blinded study administration

Patient	Study drug
	CBZ (mcg/mL) 1 h	CBZ (mcg/mL) 6 h	LEV (ug/mL) 1 h	LEV (ug/mL) 6 h
1	< 3	< 3	28	9
2	< 3	< 3	NA	NA
3	1.5	6.1	1.9	19.2
4	<0.5	5	15.2	7.9
5	2.5	4.7	12.3	7.9
6	<0.5	2.6	15.2	9.2

CBZ = carbamazepine; LEV = levetiracetam; NA = not applicable