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  • Title: Seizure-free days observed in randomized placebo-controlled add-on trials with levetiracetam in partial epilepsy.
    Author: Leppik I, Morrell M, Godfroid P, Arrigo C.
    Journal: Epilepsia; 2003 Oct; 44(10):1350-2. PubMed ID: 14510829.
    Abstract:
    PURPOSE: We examined the effect of adjunctive levetiracetam (LEV; 1,000 to 3,000 mg/day) on the number of seizure-free days gained per quarter in adult patients with refractory partial-onset epilepsy. METHODS: The treatment effect was studied in a meta-analysis using individual patient data of a subpopulation of patients (n = 846) emerging from the three randomized, double-blind, placebo-controlled, phase III trials (n = 904). RESULTS: Adding LEV effectively increased the number of days without seizures by 5.19 days per quarter [95% confidence interval (CI), 3.63-6.76; p = 0.0001; titration and stable dose periods]. CONCLUSIONS: LEV adjunctive treatment shows a clear benefit in terms of seizure-free days gained for patients with refractory epilepsy. This gain is significant for the pooled and for each LEV dose compared with placebo.
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