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Long Term Treatment With Zolpidem
This study has been completed.
Study NCT00156533   Information provided by University of Rochester

First Received on September 7, 2005.   Last Updated on October 4, 2011   History of Changes

September 7, 2005
October 4, 2011
March 2005
February 2008   (final data collection date for primary outcome measure)
Sleep Latency [ Time Frame: Pre-Post and Post-Discontinuation ] [ Designated as safety issue: No ]
Sleep latency as assessed by sleep diary
  • Bi-weekly measures during 12 week follow-up for sleep diary measures of sleep latency, wake after sleep onset time, and total sleep time.
  • Bi-weekly measures during baseline and treatment for sleep diary measures of sleep latency, wake after sleep onset time, and total sleep time.
Complete list of historical versions of study NCT00156533 on ClinicalTrials.gov Archive Site
WASO [ Time Frame: Pre-post and post-discontinuation ] [ Designated as safety issue: No ]
Minutes of wake after sleep onset.
  • weekly insomnia ratings
  • weekly sleepiness/fatigue ratings
  • weekly mood ratings
  • weekly medical symptoms checklist
 
Long Term Treatment With Zolpidem
Long Term Treatment With Zolpidem: The Relative Efficacy of QHS & Intermittent Dosing and the Potential for Long Term Clinical Gains After Treatment Discontinuation.

We want to assess whether "how and when" one takes sleep medication results in similar or different outcomes with respect to symptom relief. We also want to know whether taking medication for a period of time provides continued benefit once the medication is stopped.

 
Interventional
Phase IV
Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
  • Insomnia
  • Primary Insomnia
  • Psychophysiologic Insomnia
Drug: Zolpidem
10 mg of Zolpidem
  • Placebo Comparator: Placebo
    QHS dosing with placebo
    Intervention: Drug: Zolpidem
  • Active Comparator: QHS Zolpidem
    QHS dosing with 10mg of zolpidem
    Intervention: Drug: Zolpidem
  • Experimental: Intermittant Zolpidem
    Intermittent dosing with 10mg of zolpidem (3-5 pills per week as needed
    Intervention: Drug: Zolpidem
  • CTRL
    Monitor only condition.
    Intervention: Drug: Zolpidem
 

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
20
February 2008
February 2008   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • Ages 25 - 55
  • a stable sleep/wake schedule with a preferred sleep phase between 10:00 p.m. and 8:00 a.m.
  • Patients with Primary Insomnia will meet diagnostic criteria for Psychophysiologic Insomnia according to the International Classification of Sleep Disorders manual (ICSD).
  • complaint of disturbed sleep must have the following characteristics: >30 minutes to fall asleep, and/or >30 minutes wake after sleep onset time, a total sleep time of no more than 6.5 hours (or a sleep efficiency of less than 85%), a problem frequency of >4 nights/ week and a problem duration >6 months.

Exclusion Criteria:

  • Unstable medical or psychiatric illness
  • Use of medication that may be "insomnogenic" or may be reduce the effectiveness of zolpidem (e.g. SSRI's, steroids, bronchodilators, calcium channel blockers, beta blockers, etc.)
  • symptoms suggestive of sleep disorders other than insomnia
  • polysomnographic data indicating sleep disorders other than insomnia
  • Evidence of active illicit substance use or fitting criteria for ETOH abuse or dependence
  • inadequate language comprehension
  • pregnancy
  • first-degree relatives with bipolar disorder or schizophrenia
Both
25 Years to 55 Years
No
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00156533
PI Initiated, 11045
Yes
( University of Rochester )
University of Rochester
Sanofi-Synthelabo
Principal Investigator: Michael L Perlis, Ph.D. University of Rochester
University of Rochester
October 2011

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP