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Trial · NCT07328594

Registered outcomes16

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimarySleep Quality2 days + 3 weeks study: 2 days to assess sleep prior to taking daridorexant followed by 3 weeks of daily daridorexant administration.Sleep device to assess: latency to sleep, number of awakenings during the night, and sleep stages.
PrimaryDaytime alertnessAssessed 3 times per day (morning, midday, evening), 3 times per week for 3 weeks.Assess daytime alertness using a 5 min psychomotor vigilance task. Higher score indicates lower alertness.
PrimaryInsomnia Severity IndexAssess at prescreening and on last day of the study (3 weeks and 2 days)Assesses extent of insomnia. Range is 0-28. Higher score indicates high level of insomnia.
PrimarySleep Quality-sleep diaryAssessed 2 days prior to taking daridorexant and daily for 3 weeks during daily daridorexant administration.Daily sleep diary to assess self-reported sleep
PrimaryPittsburgh Sleep Quality Index2 days before beginning study medication.Assesses sleep quality (duration, disturbance, latency) over last 1 month. Range is 0-21; higher score indicates worse sleep quality.
PrimaryPROMIS Sleep-Short Form 8a2 days before beginning study medication and last day of weeks 1, 2, 3.Assesses sleep quality over last 7 days. Range is 8-40, higher score indicates worse sleep/low alertness.
PrimaryKarolinska Sleepiness ScaleGiven 3X/day on days 3, 5, 7 of weeks 1, 2, 3.Assesses daytime alertness - single question. Range is 1-10. Higher score indicates lower alertness.
SecondaryFagerstromMeasure at pre-screening and at the end of each week for 3 weeks.Assesses extent of nicotine dependence. Range is 0-10. Higher score indicates higher dependence.
SecondarySmoking History and HabitsMeasure at pre-screening.Must smoke 10 or more cigarettes per day.
SecondaryMinnesota Scale Withdrawal from Nicotine2 days before beginning study medication, end of day on days 3, 5, 7 of weeks 1, 2, and 3.Assesses nicotine withdrawal symptoms over last 24 hr. Range is 0-60, higher score indicating higher withdrawal signs/symptoms.
SecondaryQSU Brief Smoking DesireEnd of day on days 3, 5, 7 of weeks 1, 2, and 3.Assesses desire to smoke. Range 7-49. Higher score indicates higher craving to smoke.
SecondaryNumber of cigarettes/vape products smokedReported daily for entire study (2 days + 3 weeks).Daily Sleep Diary includes number of cigarettes/vape products smoked.
OtherMorningness/Eveningness questionnaire2 days before beginning study medicationScores range from 16-83, with higher score indicating morning type and lower score evening type.
OtherGAD-67 Anxiety2 days before beginning study medication and last day of the study (3 weeks, 2 days).Assesses anxiety levels over last 2 weeks. Range is 0-21, higher score indicating higher anxiety.
OtherPatient Health Questionnaire 9 (PHQ 9 Depression)2 days before beginning study medication and last day of the study (3 weeks, 2 days).Assesses depression levels. Range is 1-27, higher score indicating higher depression.
OtherReadiness to Quit2 days before beginning study medication and on last day of study (3 weeks, 2 days).Readiness to quit tobacco. Scale is 1-10, with higher score indicating more important to quit.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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