India, March 2 -- Eisai Co., Ltd. announced that its Hong Kong subsidiary Eisai (Hong Kong) Co., Ltd. has obtained approval for the in-house-discovered and developed orexin receptor antagonist DAYVIGO (generic name: lemborexant) for the treatment of adults with insomnia, characterized by difficulties with sleep onset and/or sleep maintenance. This approval is the first approval for DAYVIGO in Asia outside of Japan.
DAYVIGO is a dual orexin receptor antagonist that inhibits orexin neurotransmission regulating sleep-wake rhythm by binding competitively to the two subtypes of orexin receptors (OX1R and OX2R). DAYVIGO acts on the orexin neurotransmitter system and is believed to facilitate sleep onset, sleep maintenance, and wake by regulating...