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  • Title: Adjunctive brivaracetam for patients with refractory partial seizures: A meta-analysis of randomized placebo-controlled trials.
    Author: Ma J, Huang S, You C.
    Journal: Epilepsy Res; 2015 Aug; 114():59-65. PubMed ID: 26088886.
    Abstract:
    OBJECTIVE: To evaluate the clinical efficacy and safety of the newer antiepileptic drug (AED), brivaracetam (BRV), as adjunctive therapy for adults with refractory partial seizures. METHODS: Randomized-controlled trials (RCTs) of BRV in the treatment of refractory partial seizure were systematically reviewed and quantified using fixed- or random-effects meta-analysis. 50% responder rate, seizure free rate and adverse events in the treatment period were analyzed as outcomes for measuring efficacy and safety. Pooled effects of risk ratio (RR) and 95% confidence interval (CI) were derived from meta-analysis implemented in RevMan 5.2. RESULTS: Five RCTs were identified for inclusion, and included a total of 1639 patients. The pooled RR of BRV vs. placebo as adjunctive therapy for adults with refractory partial seizure was 1.80 (95% CI 1.43-2.26, P < 0.00001) for 50% responder rates, 4.11 (95% CI 1.39-12.21, P = 0.01) for seizure free rates, 1.08 (95% CI 0.73-1.59; P = 0.70) for withdrawal rates. There was no evidence of a statistically significant association between the use of BRV and most adverse events, except somnolence (RR 1.63, 95% CI 1.08-2.45, P = 0.02) and fatigue (RR 2.05, 95% CI 1.19-3.53, P = 0.009). CONCLUSION: This study confirmed significant effects of BRV as adjunctive treatment of refractory partial seizures. This study also demonstrated the good tolerability profile of adjunctive BRV for patients with epilepsy. Further large clinical and pharmacovigilance studies are needed to investigate the long-term efficacy and safety of BRV and, furthermore, to suggest an optimal BRV dosage for clinical use.
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