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Table 4 Percentage change from baseline in standardized seizure frequency during the monotherapy and double-blind periods, and responder rate by study period (EFF population)

From: Efficacy and safety of conversion to monotherapy with eslicarbazepine acetate in adults with uncontrolled partial-onset seizures: a historical-control phase III study

Study period

ESL 1200 mg (n = 54)

ESL 1600 mg (n = 100)

% change in SSF from baseline for the 10-week monotherapy period

  Mean ± SD

−42.3 ± 42.48

−39.2 ± 57.93

  Median

−45.7

−52.1

% change in SFF from baseline for the 18-week double-blind period

  Mean ± SD

−33.0 ± 43.33

−37.3 ± 46.26

  Median

−36.1

−47.5

Responder rate

  Titration period; n (%) [95% CI]

16 (29.6%) [18.0–43.6%]

37 (37.0%) [27.6–47.2%]

  AED conversion period; n (%) [95% CI]

16 (29.6%) [18.0–43.6%]

39 (39.0%) [29.4–49.3%]

  Monotherapy period; n (%) [95% CI]

21 (38.9%) [29.5–58.8%]

46 (46.0%) [41.4–63.0%]

  Double-blind period; n (%) [95% CI]

19 (35.2%) [22.7–49.4%]

46 (46.0%) [36.0–56.3%]

  1. Responder rate was defined as percentage of patients with a ≥50% reduction in seizure frequency from baseline. Percentages of responders and 95% CIs are based on the number of patients with post-baseline seizure data.
  2. EFF = efficacy; ESL = eslicarbazepine acetate; SSF = standardized seizure frequency (seizure frequency is standardized to a 28-day frequency); SD = standard deviation; CI = confidence interval; AED = antiepileptic drug.