Perampanel

CAS 380917-97-5 7 API suppliersSmall Molecule

Overview

Perampanel is a non-competitive AMPA receptor antagonist used as an adjunctive therapy for the treatment of partial-onset seizures and generalized tonic-clonic seizures in patients with epilepsy. It works by reducing the excessive excitability of neurons in the brain, which is a hallmark of seizure activity.

API suppliers (7)

Suppliers of Perampanel evidenced by a US FDA Type II Drug Master File or an EU Certificate of Suitability (CEP). Sources: FDA DMF list, EDQM certification database.

Where these suppliers are
India3Netherlands1Spain1China1

Country recorded for 6 of 7 suppliers.

2 of 7 hold a GMP certificate on record in the EU or UK registers

Patent & exclusivity (US)

Per the FDA Orange Book (27 approved US products), the latest listed US patent on Perampanel expires 1 Jul 2026 and exclusivity 14 Jun 2026. Generic API sourcing typically opens up once these lapse.

Therapeutic areas

EpilepsySeizure Disorders
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