ClinicalTrials.gov
 Home    Search    Study Topics    Glossary  
 

  Full Text View  
  Tabular View  
  Contacts and Locations  
  No Study Results Posted  
  Related Studies  
Nonrestorative Sleep RSQ (Restorative Sleep Questionnaire) Development-- Methodology Study

This study is currently recruiting participants.
Study NCT00705601.   Last updated on November 17, 2008.   Information provided by Pfizer

This Tabular View shows the required WHO registration data elements as marked by

Descriptive Information Fields
Brief Title  Nonrestorative Sleep RSQ (Restorative Sleep Questionnaire) Development-- Methodology Study
Official Title  Refinement Of Patient Reported Outcomes Instruments In Subjects With Insomnia Characterized By Nonrestorative Sleep
Brief Summary

To begin to refine development of the RSQ (Restorative Sleep Questionnaire) measure in subjects with NRS (Nonrestorative Sleep) by generating item content pertaining to morning refreshment and uncovering problems in instrument administration in subjects with nonrestorative sleep

Detailed Description
Study Phase Phase II
Study Type  Interventional
Study Design  Screening, Non-Randomized, Open Label, Single Group Assignment
Primary Outcome Measure  Once subjects identified, a series of focus group sessions will be held to identify concepts, themes and items relevant to Nonrestorative Sleep. [ Time Frame: monthly ] [ Designated as safety issue: No ]
To begin to refine the development of the RSQ measure in subjects with Nonrestorative Sleep by generating item content pertaining to morning refreshment and uncovering problems in instrument administration in subjects with nonrestorative sleep. [ Time Frame: nightly ] [ Designated as safety issue: No ]
Identification of subjects with insomnia characterized by Nonrestorative Sleep only [assessed via LPS (latency to persistent sleep onset) and WASO (Wake after sleep onset) as determined by PSG (polysomnography)]. [ Time Frame: nightly ] [ Designated as safety issue: No ]
Secondary Outcome Measure  Subjective measures include MAF (multidimensional assessment of fatigue), Sheehan Disability Scale, SF36v2, Endicott Work productivity scale (EWPS) Global impression of severity (CGIS) and the Profile of mood states. [ Time Frame: nightly ] [ Designated as safety issue: No ]
Secondary assessments to characterize the functional impact of insomnia including Nonrestorative Sleep include additional PSG (polysomnography) variables. [ Time Frame: nightly ] [ Designated as safety issue: No ]
After phase IIa of this study, a questionaire to be designed - Participants to be debriefed, and interviewed to assess the content validity of the questionnaire. [ Time Frame: monthly ] [ Designated as safety issue: No ]
Condition  Nonrestorative Sleep
Intervention  Procedure: PSG
MEDLINE PMIDs
Links To obtain contact information for a study center near you, click here. This link exits the ClinicalTrials.gov site
Recruitment Information Fields
Recruitment Status  Recruiting
Enrollment  65
Start Date  July 2008
Completion Date June 2009
Eligibility Criteria 

Inclusion Criteria:

  • Subjects who self report nonrestorative sleep but no problems either getting to sleep or staying asleep
  • Complaints of significant distress or impairment in social, occupational, or other important areas of functioning during daytime for at least 3 nights per week
  • Self reports sWASO (Wake after sleep onset) for <45 minutes for past 3 months, self reports LPS (latency to persistant sleep onset ) for <20 minutes for past 3 months (then neither PSG (polysomnography) screening night showing WASO >45min, or LPS > 20 minutes)
  • Customary bedtime betw. 9 pm and midnight and rise between 4 and 9 AM

Exclusion Criteria:

  • Psychiatric disease or disorder as determined by current admin of the MINI (Mini International Neuropsychiatric Interview)
  • History or presence of any breathing-related sleep disorder, narcolepsy, or any other dyssomnias or any parasomnia, or restless legs syndrome MAP > 0.5 at screening
  • History or presence of any medical or neurological condition that could interfere with sleep (chronic pain, Restless leg, etc)
  • Current use of meds wth known psychotropic effects or known or suspected effects on sleep
  • Alcohol or substance abuse (unless in remission for at least a year
  • Excessive caffeine use (or any use after 6 pm for at least 3 months
  • Regular napping or any naps after 6 pm
  • Excessive cigarette or cigar smoking over the last 3 months
  • no participation in an investigational new drug study within 30 days of screening, and no previous participation in a study of PD200390
  • No night or rotating shift work
Gender Both
Ages 18 Years to 64 Years
Accepts Healthy Volunteers No
Contacts ††
Contact: Pfizer CT.gov Call Center     1-800-718-1021        
Location Countries  United States,   Canada
Administrative Information Fields
NCT ID  NCT00705601
Organization ID A9001380
Secondary IDs ††
Study Sponsor  Pfizer
Collaborators ††
Investigators 
Study Director:     Pfizer CT.gov Call Center     Pfizer    
Information Provided By Pfizer
Verification Date November 2008
First Received Date  June 24, 2008
Last Updated Date November 17, 2008

 †    Required WHO trial registration data element.
††   WHO trial registration data element that is required only if it exists.




Links to all studies - primarily for crawlers