Ambien CR vs. Placebo For Treatment Of Insomnia Associated With Anxiety When Used Concomitantly With Escitalopram (Lexapro)

Sponsor
Sanofi (Industry)
Overall Status
Completed
CT.gov ID
NCT00296790
Collaborator
(none)
372
1
12
31

Study Details

Study Description

Brief Summary

A comparison of Zolpidem Tartrate Extended-Release (Ambien CR)vs. Placebo in the Treatment of Insomnia Associated with Generalized Anxiety Disorder (GAD) when Used Concomitantly with Escitalopram (Lexapro - antidepressant).

Condition or Disease Intervention/Treatment Phase
  • Drug: zolpidem tartrate
Phase 4

Study Design

Study Type:
Interventional
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
Double
Primary Purpose:
Treatment
Study Start Date :
Feb 1, 2006
Study Completion Date :
Feb 1, 2007

Outcome Measures

Primary Outcome Measures

  1. Evaluate safety and hypnotic efficacy of zolpidem tartrate extended release vs. placebo in treatment of insomnia associated with Generalized Anxiety Disorder when used concomitantly with escitalopram []

Secondary Outcome Measures

  1. To show that treating insomnia from beginning of SSRI (Selective Serotonin Reuptake Inhibitor) treatment for anxiety results in improvement in quality of life and possibly greater response to anti-anxiety therapy []

Eligibility Criteria

Criteria

Ages Eligible for Study:
21 Years to 64 Years
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
INCLUSION CRITERIA:
  1. Male or female between the ages of 21and 64 years, inclusive;

  2. Women must use a medically acceptable form of contraception during the entire study period, or: be surgically sterilized, post-menopausal, agree to use double-barrier contraception throughout the study period, or must have a negative urine pregnancy test prior to randomization;

  3. Must meet the diagnostic requirements of Generalized Anxiety Disorder as defined by the Diagnostic and Statistical Manual of Mental Disorders;

  4. Score at least 18 on the Hamilton Rating Scale for Anxiety (HAM-A)

  5. Must be either newly diagnosed or show symptoms of relapse during a period of no drug therapy for anxiety.

  6. Subject must experience sleep disturbances at least three nights per week, for at least one month prior to study entry, based on historical data.

  7. Subject must be stabilized on all long-term medication therapy for at least one month prior to study entry.

EXCLUSION

  1. History of Post-Traumatic Stress Disorder;

  2. Concomitant Major Depressive Disorder or Bipolar Disorder;

  3. Any abnormal pre-study laboratory values that require clinical intervention

  4. Shift work or requirement for a regular change in sleep schedule by at least six hours within the previous month.

  5. Pregnant or breastfeeding

  6. History of drug addiction, alcoholism, or drug abuse

  7. Currently using a benzodiazepine or SSRI or more than 2 days of use within the 28 days preceding randomization.

  8. A positive urine drug screen for compounds that would interfere with the assessment of a hypnotic.

  9. Use of prescription and non-prescription sedative drugs;

  10. Prior failure to respond to escitalopram therapy for anxiety

  11. The presence of any untreated or uncompensated clinically significant renal, endocrine, gastrointestinal, hepatic, respiratory, cardiovascular, other neurologic, hematologic, oncologic, immunologic, cerebrovascular disease or malignancy.

  12. History of sleep apnea

  13. History of myasthenia gravis

  14. Known hypersensitivity and/or allergy to or previous adverse experience with zolpidem or escitalopram or any of their excipients

  15. Subject is currently participating in another clinical trial (or within 28 days of screening).

Contacts and Locations

Locations

Site City State Country Postal Code
1 Sanofi-Aventis Bridgewater New Jersey United States 08807

Sponsors and Collaborators

  • Sanofi

Investigators

  • Study Director: Phyllis Diener, Sanofi

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.
Responsible Party:
, ,
ClinicalTrials.gov Identifier:
NCT00296790
Other Study ID Numbers:
  • PM_L_0167
First Posted:
Feb 27, 2006
Last Update Posted:
Oct 12, 2007
Last Verified:
Oct 1, 2007
Additional relevant MeSH terms:

Study Results

No Results Posted as of Oct 12, 2007