TOKYO, July 17, 2026 – (JCN Newswire) – Eisai Co., Ltd. announced today that the European Medicines Agency (EMA) has accepted for evaluation a marketing authorization application (MAA) for its in-house-discovered and developed orexin receptor antagonist lemborexant (generic name) for the treatment of adult patients with chronic insomnia.Lemborexant is a dual orexin receptor antagonist (DORA) that inhibits orexin neurotransmission regulating sleep and wake states by binding competitively to the two subtypes of orexin receptors (OX1R and OX2R).1 Lemborexant acts on the orexin neurotransmitter system…
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