Trial overview
Assessment of objective PSG measure of sleep onset, duration and continuity for wake after persistent sleep onset (WASO1)
Timeframe: Day 27/28
Assessment for wake after sleep onset (WASO) as the mean of PSG recordings obtained on two consecutive nights on Days 27/28
Timeframe: Day 27,28
Assessment for WASO1 as the mean of PSG recordings obtained on two consecutive nights on Days 1/2.
Timeframe: Day 1/2
Assessment for WASO as the mean of PSG recordings obtained on two consecutive nights on Days 1/2.
Timeframe: Day 1/2
Assessment of objective PSG measure of sleep onset, duration and continuity for latency to persistent sleep (LPS)
Timeframe: Day 1/2 and Day 27/28
Assessment of objective PSG measure of sleep onset, duration and continuity for total sleep time (TST)
Timeframe: Day 1/2 and Day 27/28
Assessment of objective PSG measure of sleep onset, duration and continuity for wake during sleep (WDS)
Timeframe: Day 1/2 and Day 27/28
Assessment of objective PSG measure of sleep onset, duration and continuity for wake after sleep (WAS)
Timeframe: Day 1/2 and Day 27/28
Assessment of objective PSG measure of sleep onset, duration and continuity for number of awakenings during sleep (NAW)
Timeframe: Day 1/2 and Day 27/28
Assessment of subjective sleep assessments as performed by Post-Sleep Questionnaires (PSQs) using Interactive Voice Response System (IVRS) for PSG parameter TST and Sleep onset latency (SOL)
Timeframe: Day 2 (Pre-dose), Day 2 (Inpatient), Day 28 (Post-Dose), Day 35 (Follow-up)
Assessment of subjective sleep assessments as performed by Post-Sleep Questionnaires (PSQs) using Interactive Voice Response System (IVRS) for PSG parameter NAW
Timeframe: Day 2 (Pre-dose), Day 2 (Inpatient), Day 28 (Post-Dose), Day 35 (Follow-up)
Assessment of subjective sleep assessments as performed by participant-rated Insomnia Severity Index (ISI)
Timeframe: Baseline, Day 15, Day 28, Day 42
Number of participants who passed Romberg and Heel-to-toe test for the assessment of motor and cognitive functioning
Timeframe: Day 1 (Visit 2), Day 2 (Visit 3), Day 15 (Visit 6), Day 27 (Visit 7), Day 28 (Visit 8)
Assessment of Motor and cognitive functioning by Digit Symbol Substitution test (DSST)
Timeframe: Day 1 (Visit 2), Day 2 (Visit 3), Day 3 (Visit 4), Day 4 (Visit 5), Day 27 (Visit 7) and Day 28 (Visit 8)
Assessment of Motor and cognitive functioning by Hopkins Verbal Learning Test-Revised (HVLT-R)
Timeframe: Day 2 (Visit 3), Day 4 (Visit 5) and Day 28 (Visit 8)
- Male and female aged 18-64 years inclusively with Diagnosis of Primary Insomnia according to Diagnostic and Statistical Manual of Mental Disorders –Text Revision (DSM-IV-TR) criteria 307.42
- PSG variables collected during 2consecutive PSG screening nights falling as follows: TST between 240-420 mins inclusive (both nights) - LPS (Latency to Persistent Sleep): mean not less than 20mins, each night not less than 15 mins - WASO (Wake After Sleep Onset): mean not less than 60mins, each night not less than 45mins
- clinically significant Psychiatric and neurological disorders (sleep disorders other than Primary Insomnia, history of alcohol orother substance abuse or dependnce);
- nightshift or rotating shift-work;
- Male and female aged 18-64 years inclusively with Diagnosis of Primary Insomnia according to Diagnostic and Statistical Manual of Mental Disorders –Text Revision (DSM-IV-TR) criteria 307.42
- PSG variables collected during 2consecutive PSG screening nights falling as follows: TST between 240-420 mins inclusive (both nights)
- LPS (Latency to Persistent Sleep): mean not less than 20mins, each night not less than 15 mins
- WASO (Wake After Sleep Onset): mean not less than 60mins, each night not less than 45mins
- Women: non child bearing potential or if child bearing potential agree on Contraceptive Methods listed in Protocol
- clinically significant Psychiatric and neurological disorders (sleep disorders other than Primary Insomnia, history of alcohol orother substance abuse or dependnce);
- nightshift or rotating shift-work;
- Lifestyle habits in agreement with Protocol requirement: caffeine
- alcohol intake and smoke
- healthy according to GSK criteria
- laboratory and ECG limits set in the Protocol
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.