Phase 3 Sleep Disorders Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- People between 20 and 60 years old
- People who have been working rotating shift schedules for at least 3 months and will continue doing so until the study ends
- People who have sleep problems, such as sleeping less than 6 hours total or not being able to sleep effectively, meeting at least one sleep disorder criterion from a standard diagnostic checklist (confirm with trial site)
- People who feel sleepy while working and score 10 points or higher on a standard daytime sleepiness questionnaire (the Epworth Sleepiness Scale, measured during shift hours)
Who may not be able to join:
- People taking certain medications that strongly or moderately interact with a liver enzyme called CYP3A4 (confirm with trial site for specific medicines)
- People with an untreated mental health condition, or whose mental health medication is currently being adjusted
- People with severe liver disease (classified as Child-Pugh C)
- People who are pregnant
- People who are breastfeeding
- People whose medications — such as those for mental health, neurology, insomnia, or contraception — are currently being adjusted
- People diagnosed with obstructive sleep apnea (with or without the use of a CPAP machine), restless leg syndrome, circadian rhythm disorders, or narcolepsy
- People who experience complex sleep behaviours such as driving, using a phone, or cooking while asleep
- People who score 24 or higher on a standard depression assessment scale (HAM-D)
- People who score 24 or higher on a standard anxiety assessment scale (HAM-A)
- People who consume more than 400 mg of caffeine per day, or who are unable to avoid caffeine in the 4 hours before sleeping
- People with a history of substance abuse or alcoholism within the past 2 years
- People whose weekly alcohol intake exceeds 140 g (for women) or 210 g (for men), or who cannot limit alcohol to less than 20 g on any single day, or who cannot avoid alcohol in the 3 hours before sleeping
- People who have used cannabis within the past week
- People with certain existing health conditions, including stroke, irregular heart rhythm (atrial fibrillation), chronic obstructive pulmonary disease, liver impairment, severe kidney impairment, cognitive impairment, cancer, or chronic pain
- People currently using benzodiazepine or non-benzodiazepine sleep medications for insomnia
- People who frequently wake during the night to urinate (nocturia)
- People whose doctor considers their mental health condition to be a safety concern for participation
- People who have had thoughts of suicide (with or without a plan), or suicidal behaviour, within the past 10 years
- People who have major surgery scheduled during the study period
- People who have travelled across more than 3 time zones in the 2 weeks before joining the study
- People who are allergic to the study drug (lemborexant) or any of its ingredients
- People who have previously taken part in a study involving lemborexant
- The final exclusion criterion appears incomplete in the source document — confirm any additional criteria directly with the trial site
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Tipvilai Taweepunturat, Pharm.D., Faculty of Pharmacy Siam University
Phone: 0822956659
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Assessment effective of sleep quality in lemborexant 5 mg compare with placebo group; Changing of Brian-derived neurotropic (BDNF) in lemborexant 5 mg compare with placebo group
Can't join this trial?
Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.