Sleep Initiation and Maintenance Disorders
Conditions
Brief summary
The purpose of this study is to determine whether a compound known as EVT 201 is effective in treating elderly patients diagnosed with primary insomnia who also have moderate daytime sleepiness.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* Diagnosis of primary insomnia according to DSM-IV * Over the last three months for at least 5 nights per week, must have a normal bedtime of between 9 pm and 1 am and a time in bed of at least 7 hours * A history of sleepiness, tiredness or unintentional napping during the daytime attributed to to poor sleep at night * Able to attend the Sleep Center for five nights (two consecutive nights on two occasions and one night on one occasion)over a five week period * Willing and able to complete a sleep diary and questionnaires
Exclusion criteria
* Clinically significant or unstable medical condition that may interfere with sleep * Major psychiatric disorders (other than insomnia) such as depression, schizophrenia, bipolar disorder * History of myocardial infarction, cardiac failure or clinically significant dysrhythmias in the previous 2 years or clinically significant ECG abnormalities at screening * History of substance abuse * Disorders that interfere with drug pharmacokinetics * History of cancer, except basal cell carcinoma * Use of hypnotics, anxiolytics, antidepressants, anticonvulsants, over-the-counter sleep aids, histamine-1 receptor antagonists (except for loratadine and fexofenadine), beta-adrenergic blockers (except for atenolol), respiratory stimulants and decongestants, systemic steroids, narcotic analgesics, any other compound which might impact sleep-wake function, or medication used for the treatment of Parkinson's disease such as dopamine agonists and L-dopa (e.g., Sinemet, Madopar or Requip) * Use of hypnotics within the 2 weeks preceding the Screening Period or within five half-lives of the medication, whichever is longer * Consuming ≥ 350 mg per day of xanthine-containing food or beverages * Smoking ≥ 10 cigarettes per day and/or unable to refrain from smoking without distress or discomfort for the duration of visits to the sleep laboratory (i.e.≥ 20 hours) * Body mass index \> 34 kg/m2; * Performing night work or rotating shift work during the past month * Traveling across \> 3 time zones in the past 2 weeks * Participation in another trial of an investigational product or device within the previous 30 days * Known allergy or sensitivity to benzodiazepines
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Polysomnography derived Total Sleep Time averaged over nights 1, 6 and 7 | — |
Secondary
| Measure | Time frame |
|---|---|
| Mean Psychomotor Vigilance Task at Day 8 | — |
| Mean Karolinska Sleepiness Scale at Day 8 | — |
| Mean Rey Auditory Verbal Learning Test at Day 8 | — |
| Mean Profile of Mood State at Day 8 | — |
| Mean Multiple Sleep Latency Test at Day 8 | — |
| Patient reported evaluations of sleep quality and quantity over nights 1 to 7 | — |
| Benzodiazepine withdrawal questionnaire at baseline and follow-up | — |
| Safety including adverse events, ECGs, vital signs, routine laboratory tests throughout the study | — |
| Polysomnography derived variables averaged over nights 1, 6 and 7 | — |
Countries
United States