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Home » Directories » FDA Approved Drugs » Dayvigo (lemborexant)

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Dayvigo (lemborexant)

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Contact: Eisai
Website: https://www.dayvigo.com/

Currently Enrolling Trials

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    General Information

    Dayvigo (lemborexant) is an orexin receptor antagonist.

    Dayvigo is specifically indicated for the treatment of insomnia characterized by difficulties with sleep onset and/or sleep maintenance in adults.

    Dayvigo is supplied as a tablet for oral administration. The recommended dosage of Dayvigo is 5 mg taken no more than once per night, immediately before going to bed, with at least 7 hours remaining before the planned time of awakening. The dose may be increased to the maximum recommended dose of 10 mg based on clinical response and tolerability. Time to sleep onset may be delayed if taken with or soon after a meal. Please see drug label for specific dose modifications.

    Mechanism of Action

    The mechanism of action of lemborexant in the treatment of insomnia is presumed to be through antagonism of orexin receptors. The orexin neuropeptide signaling system plays a role in wakefulness. Blocking the binding of wake-promoting neuropeptides orexin A and orexin B to receptors OX1R and OX2R is thought to suppress wake drive.

    Side Effects

    The most common adverse effect associated with the use of Dayvigo is somnolence.

    Clinical Trial Results

    The FDA approval of Dayvigo was based on two pivotal Phase III studies (SUNRISE 2 and SUNRISE 1), which evaluated Dayvigo versus comparators for up to one month and Dayvigo versus placebo for six-months, respectively, in a total of about 2,000 adult patients with insomnia.

    • SUNRISE 2 was a long-term (six month), randomized, double-blind, placebo-controlled, multi-center, trial in adult patients age 18 or older who met DSM-5 criteria for insomnia disorder. Patients were randomized to placebo (n=325), Dayvigo 5 mg (n=323), or Dayvigo 10 mg (n=323) once nightly. The primary efficacy endpoint was the mean change from baseline to end of treatment at six months for patient-reported (subjective) sleep onset latency (sSOL), defined as the estimated minutes from the time that the subject attempted to sleep until falling asleep. In SUNRISE 2, Dayvigo 5 mg and 10 mg demonstrated statistically significant superiority on the primary efficacy measure, sSOL, compared to placebo. Dayvigo 5 mg and 10 mg also showed statistically significant superiority in patient reported sleep efficiency (sSE; defined as the proportion of time spent asleep during time in bed) and subjective sleep onset and sleep maintenance (sWASO; defined as the minutes of wake from the onset of persistent sleep until lights on). .
    • SUNRISE 1 was a short-term (one month), randomized, double-blind, placebo- and active-controlled, multi-center, parallel-group clinical trial in adult female subjects age 55 and older and male subjects 65 years and older who met DSM-5 criteria for insomnia disorder. Patients were randomized to placebo (n=208), Dayvigo 5 mg (n=266) or 10 mg (n=269) or active comparator (n=263) once nightly. The primary efficacy endpoint was the mean change in latency to persistent sleep (LPS; defined as the number of minutes from lights off to the first 10 consecutive minutes of non-wakefulness) from baseline to end of treatment (day 29/30), as measured by overnight polysomnography (PSG) monitoring. Dayvigo. In SUNRISE 1, Dayvigo 5 mg and 10 mg demonstrated statistically significant superiority on the primary efficacy measure, LPS, compared to placebo. Dayvigo 5 mg and 10 mg demonstrated statistically significant improvement in SE and WASO compared to placebo.
    Approval Date: 2019-12-01
    Company Name: Eisai
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