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VEC-162 Study in Adult Patients With Primary Insomnia

Phase 3
Completed
Conditions
Primary Insomnia
Interventions
Drug: VEC-162 20 mg
Drug: VEC-162 50 mg
Drug: Placebo
Registration Number
NCT00548340
Lead Sponsor
Vanda Pharmaceuticals
Brief Summary

The purpose of this study is to evaluate the efficacy and safety of a 5 week double-blind treatment period of VEC-162 as compared to placebo in male and female patients with primary insomnia.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
322
Inclusion Criteria
  • Males and females with a diagnosis of primary insomnia as defined in DSM-IV.
  • Habitual bedtime between 9:00 pm and 1:00 am.
  • No history or evidence of restless leg syndrome or periodic limb movement disorder or sleep apnea.
  • Patients must sign a written consent form.
Exclusion Criteria
  • History of drug or alcohol abuse as defined in DSM-IV.
  • History of psychiatric disorders, including Major Depressive Disorder, Generalized Anxiety Disorder and delirium.
  • History of chronic obstructive pulmonary disease (COPD), seizures, sleep apnea, narcolepsy, circadian-rhythm sleep disorder, parasomnia or any sleep disorder other than chronic insomnia.
  • Recent history of shift work or jet lag.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
VEC-162 20 mgVEC-162 20 mgVEC-162 (tasimelteon) 20 mg capsules PO daily for five weeks
VEC-162 50 mgVEC-162 50 mgVEC-162 (tasimelteon) 50 mg capsules PO daily for five weeks
PlaceboPlaceboPlacebo capsules PO daily five weeks
Primary Outcome Measures
NameTimeMethod
Average Change From Baseline - Latency to Persistent Sleep (LPS)Baseline, Night 1, and Night 8 measurement

Average latency to persistent sleep is defined as the length of time elapsed between lights off and onset of persistent sleep (defined as the point at which 10 minutes of uninterrupted sleep has begun as determined by PSG) between Baseline and the average of nights 1 and 8.

Secondary Outcome Measures
NameTimeMethod
Average Change From Baseline - Wake After Sleep Onset (WASO) and Total Sleep Time (TST)Baseline, Night 1, and Night 8 measurements for WASO and TST

Average wake after sleep onset was defined as the time spent awake between onset of sleep (latency to non-awake) and lights-on, as determined by PSG between Baseline, and the average of nights 1 and 8. Total sleep time (TST) was defined as the time spent sleeping between lights-out and lights-on, i.e., full night between Baseline, and the average of nights 1 and 8.

Trial Locations

Locations (1)

Vanda Investigational Site

🇺🇸

Dallas, Texas, United States

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