Effect Of Treatment With Oral Zolpidem On Polysomnography And Actigraphy Measures In Healthy Volunteers

This study has been completed.
Information provided by:
ClinicalTrials.gov Identifier:
First received: June 23, 2008
Last updated: April 22, 2009
Last verified: April 2009
This study will assess the feasibility of conducting sleep studies in a clinical research unit environment. In addition, the sensitivity of polysomnography and mobile actigraphy technologies will be compared for evaluating sleep stages and sleep architecture.

Condition Intervention Phase
Methodology Study
Drug: placebo
Drug: zolpidem
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Crossover Assignment
Masking: Single Blind (Subject)
Primary Purpose: Basic Science
Official Title: Subject- And Investigator-Blinded, Sponsor-Open, Randomized, Single-Dose, Placebo-Controlled, 3-Way Crossover Study To Study Effect Of Treatment With Oral Zolpidem On Polysomnography And Actigraphy Measures In Healthy Volunteers

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • onset to persistent sleep [ Time Frame: minutes ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • awakenings after sleep onset [ Time Frame: minutes ] [ Designated as safety issue: No ]

Enrollment: 11
Study Start Date: July 2008
Study Completion Date: October 2008
Primary Completion Date: October 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Placebo Comparator: Placebo
groups of 3-4 subjects for overnight polysomnography assessments
Drug: placebo
single oral dose placebo
Experimental: Low dose Zolpidem Drug: zolpidem
single oral dose, 5 mg zolpidem
Experimental: High dose zolpidem Drug: zolpidem
single oral dose, 10 mg zolpidem


Ages Eligible for Study:   18 Years to 55 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Age 18-55
  • BMI 18-30 kg/m2
  • body weight > 50 kg

Exclusion Criteria:

  • no history of sleep disorder
  • no concurrent medications
  • no alcohol use
  • no medical issues
  • no smoking
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00716521

United States, Connecticut
Pfizer Investigational Site
New Haven, Connecticut, United States, 06511
Sponsors and Collaborators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Additional Information:
Responsible Party: Director, Clinical Trial Disclosure Group, Pfizer, Inc.
ClinicalTrials.gov Identifier: NCT00716521     History of Changes
Other Study ID Numbers: A9001390 
Study First Received: June 23, 2008
Last Updated: April 22, 2009
Health Authority: United States: Institutional Review Board

Keywords provided by Pfizer:
mobile actigraphy inpatient polysomnography actigraphy ambien

Additional relevant MeSH terms:
Central Nervous System Depressants
GABA Agents
GABA Agonists
GABA-A Receptor Agonists
Hypnotics and Sedatives
Molecular Mechanisms of Pharmacological Action
Neurotransmitter Agents
Physiological Effects of Drugs

ClinicalTrials.gov processed this record on May 26, 2016