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. 2014 Jun 10;55(7):1088–1098. doi: 10.1111/epi.12681

Table 3.

Incidence of TEAEsa of any causality with onset during any part of the treatment period, SS

400 mg/day N = 319 300 mg/day N = 106 Total N = 425
Any TEAE, n (%) 272 (85.3) 87 (82.1) 359 (84.5)
Serious TEAE, n (%) 17 (5.3) 0 17 (4.0)
Discontinuations due to TEAE, n (%) 54 (16.9) 15 (14.2) 69 (16.2)
Deaths, n (%) 3 (0.9) 0 3 (0.7)
TEAEs occurring in >5% of patients
 Dizziness 83 (26.0) 19 (17.9) 102 (24.0)
 Headache 42 (13.2) 19 (17.9) 61 (14.4)
 Nausea 44 (13.8) 13 (12.3) 57 (13.4)
 Convulsionb 32 (10.0) 17 (16.0) 49 (11.5)
 Somnolence 29 (9.1) 15 (14.2) 44 (10.4)
 Fatigue 32 (10.0) 11 (10.4) 43 (10.1)
 Nasopharyngitis 25 (7.8) 7 (6.6) 32 (7.5)
 Tremor 21 (6.6) 8 (7.5) 29 (6.8)
 Diarrhea 21 (6.6) 7 (6.6) 28 (6.6)
 Vision blurred 19 (6.0) 6 (5.7) 25 (5.9)
 Insomnia 17 (5.3) 7 (6.6) 24 (5.6)
 Vomiting 21 (6.6) 2 (1.9) 23 (5.4)

SS, safety set; TEAE, treatment-emergent adverse event.

a

Coded using Medical Dictionary of Regulatory Activities (MedDRA), Version 9.1.

b

Because the preferred term of convulsions captures both worsening of seizure conditions and improvements (emergence of less severe seizure types), the incidence of convulsion may be an overestimate of the number of patients with worsening seizures.