Efficacy and Safety of Volinanserin on Sleep Maintenance Insomnia – Polysomnographic Study


The purpose of this study is to assess efficacy and safety of volinanserin in the population of patients complaining of sleep maintenance insomnia. The patients suffering from that condition frequently wake up during the night, their sleep is non restorative and they suffer from a significant distress or impairment in their daily activities consecutive to insomnia.

Full Title of Study: “Efficacy and Safety of 2 mg/Day M100907 on Sleep Maintenance Insomnia: a 6-week, Multicenter, Randomized, Double-blind, Placebo-controlled Polysomnographic Study”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: Double (Participant, Investigator)
  • Study Primary Completion Date: January 2008


  • Drug: volinanserin
    • oral administration
  • Drug: placebo
    • oral administration

Arms, Groups and Cohorts

  • Experimental: Volinanserin
    • 2 mg volinanserin tablets orally once daily
  • Placebo Comparator: Placebo
    • tablets orally once daily

Clinical Trial Outcome Measures

Primary Measures

  • Change from baseline to 6 weeks of treatment of the mean night polysomnographic (NPSG) wake time after sleep onset (WASO).
    • Time Frame: 6 weeks

Secondary Measures

  • Functional Outcomes of Sleep Questionnaire at 6 weeks
    • Time Frame: 6 weeks

Participating in This Clinical Trial

Inclusion Criteria

  • Diagnosis of primary insomnia based on Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition) criteria – Disturbances of sleep maintenance criteria based on patient's information related to sleep pattern during the preceding month – Specific criteria based on the NPSG recordings during the screening nights Exclusion Criteria:
  • Females who are lactating or who are pregnant – Night shift workers, and individuals who nap 3 or more times per week over the preceding month – Consumption of xanthine-containing beverages (i.e. tea, coffee, cola) comprising more than 5 cups/day – Participation in another trial having received study medication within 1 month before the screening visit – Body Mass Index ≥ 33 – Use of over-the-counter medications such as tryptophan, valerian root, kava, melatonin, St. John's Wort, Alluna or prescription sleep medication – Use of any substance with psychotropic effects or properties know to affect sleep/wake – History of primary hypersomnia, narcolepsy, breathing-related sleep disorder, circadian rhythm sleep disorder, parasomnia, dyssomnia – Clinically significant, severe or unstable, acute or chronically progressive medical or surgical disorder – Positive qualitative urine drug screen (opiates, cocaine, amphetamine…) The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.
  • Gender Eligibility: All

    Minimum Age: 18 Years

    Maximum Age: N/A

    Are Healthy Volunteers Accepted: No

    Investigator Details

    • Lead Sponsor
      • Sanofi
    • Provider of Information About this Clinical Study
      • Sponsor
    • Overall Official(s)
      • ICD CSD, Study Director, Sanofi

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