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  • Title: Perampanel in the treatment of focal and idiopathic generalized epilepsies and of status epilepticus.
    Author: Strzelczyk A, Willems LM, Willig S, Rosenow F, Bauer S.
    Journal: Expert Rev Clin Pharmacol; 2015; 8(6):733-40. PubMed ID: 26436331.
    Abstract:
    Perampanel is the latest approved antiepileptic drug in focal and generalized epilepsies and has a distinct and selective mode of action on AMPA-receptors. Several thousand patients have received perampanel within randomized placebo-controlled trials, open-label extension trials and post-marketing observational studies. Significant median partial-onset seizure reduction rates of 23% for 4 mg/day, 26-31% for 8 mg/day and 18-35% for 12 mg/day were reported. Likewise 50 percent responder rates were 29% for 4 mg/day, 33-38% for 8 mg/day and 34-36% for 12 mg/day. Primary generalized tonic-clonic seizures were reduced by 76.5% (8 mg) vs 38.4% (placebo) in a recent controlled trial. Overall, perampanel is well tolerated and the main adverse events are dizziness, somnolence and fatigue. There are also anecdotal reports on use in progressive myoclonic epilepsies and status epilepticus. Perampanel will likely remain an important, possibly broad-spectrum AED with a significant market share, especially in patients with drug-refractory epilepsies.
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