Effects Of GW679769 On Sleep Onset And Maintenance And Next Day Functioning In Subjects With Primary Insomnia
Trial overview
Latency to persistent sleep (LPS) based on polysomnograph (PSG) recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
Wake after sleep onset (WASO) based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
Total sleep time (TST) based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
Wake during sleep (WDS) based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
Wake after sleep (WAS) based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
Number of awakenings during sleep (NAASO) based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
REM sleep time based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
REM activity based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
REM density based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
Non-REM sleep time based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
Stage 2 non-REM sleep time based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
Slow wave sleep (SWS) time based on PSG recordings obtained on two consecutive nights over 28 days
Timeframe: Up to 28 days
Subjective total sleep time (sTST) measured by post-sleep questionnaire
Timeframe: Day 27 and 28
Subjective wake time after sleep onset (sWASO) measured by post-sleep questionnaire
Timeframe: Day 27 and 28
Subjective sleep onset latency (sSOL) measured by post-sleep questionnaire
Timeframe: Day 27 and 28
Number of awakenings measured by post-sleep questionnaire
Timeframe: Day 27 and 28
Sleep quality measured by post-sleep questionnaire
Timeframe: Day 27 and 28
Daytime alertness score measured using pre-sleep questionnaire during treatment over 28 days
Timeframe: Up to 28 days
Ability to function and well being score measured using pre-sleep questionnaire during treatment over 28 days
Timeframe: Up to 28 Days
Number of participants with any beverages containing caffeine, alcohol, who had food after 7 post meridiem (PM) and who had naps using pre-sleep questionnaire during treatment over 28 days
Timeframe: Up to 28 days
Digit symbol substitution test (DSST) score during treatment over 28 days
Timeframe: Up to 28 days
Total recall, delayed recall and recognition discrimination index (RDI) from Hopkins Verbal Learning Test–Revised (HVLT-R) during treatment over 28 days
Timeframe: Up to 28 days
Percentage of retention score of HVLT-R during treatment over 28 days
Timeframe: Up to 28 days
Number of participants who passed Romberg Test and Heel-To-Toe Test the first time they were attempted during treatment over 28 days
Timeframe: Up to 28 days
Total insomnia severity index (ISI) score
Timeframe: Up to Day 14 Follow-up
Benzodiazepine withdrawal symptom questionnaire version 2 (BWSQ-2) total score at Day 14 Follow-up
Timeframe: Day 14 Follow-up
- Difficulty going to sleep and/or staying asleep for at least the past 3 months.
- Insomnia must result in significant distress or impairment in functioning at home, socially or at work.
- History of other sleep disorders such as sleep apnea or restless leg syndrome.
- Regular sleep habits, including bedtime between 9 PM and midnight.
- Difficulty going to sleep and/or staying asleep for at least the past 3 months.
- Insomnia must result in significant distress or impairment in functioning at home, socially or at work.
- Otherwise good health with no significant or unstable medical disorder including psychiatric, neurological, endocrine, heart, lung or gastrointestinal disorders, drug/alcohol abuse, cognitive impairment, cancer or chronic pain conditions such as arthritis.
- History of other sleep disorders such as sleep apnea or restless leg syndrome.
- Regular sleep habits, including bedtime between 9 PM and midnight.
- No nightshift/rotating shift work, frequent napping or planned travel across >2 time zones.
- Use of nicotine, caffeine and alcoholic products.
Trial location(s)
Study documents
If you wish to request for full study report, please contact - [email protected]
Results overview
Results posted on ClinicalTrials.gov
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.