Abstract
BackgroundPerampanel (PER) is a novel antiepileptic drug approved as an add-on therapy for focal onset seizures with or without generalization and primary generalized tonic-clonic seizures. Aim of this study was to evaluate PER efficacy and tolerability as add-on therapy in patients with drug-resistant focal onset seizures and especially temporal lobe epilepsy (TLE). MethodsAn observational, prospective, multicentre study on adult with drug-resistant focal epilepsy consecutively recruited from six Italian tertiary epilepsy centres. All patients received add-on PER according to indication and clinical judgement. Seizure frequency and adverse events (AEs) were recorded at 6 and 12 months after PER introduction. ResultsStudy sample comprised 246 patients, 77 of which with TLE. Seventy-five (35.9%) out of 209 and 66 (38.8%) out of 170 patients still taking PER resulted to be responders (i.e. ≥50% of seizure frequency or seizure free) after six and 12 months, respectively. In the TLE group, 39 (57.3%) out of 68 subjects on PER after 6 months and 32 (60.4%) out of 53 subjects taking PER after 12 months were responders. Overall reported incidence of AEs was 26.1%. In 28 cases (11.3%) AEs lead/contributed to PER discontinuation. The most frequently reported AE were dizziness (14/84) and somnolence (14/84). Regarding TLE patients, 25.9% of them experienced at least one AE and discontinuation for AEs occurred in eight (10.4%). ConclusionsThis study confirmed the good efficacy and safety of PER for drug-resistant focal epilepsy in real-life conditions and, above all, for the first time provide its effectiveness in patients with TLE.
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