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Trial · NCT00662155

The Role of Partial Reinforcement in the Long Term Management of Insomnia

NCT00662155, Not applicable, Completed, University of Pennsylvania; results first posted 2017-08-07

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. The Role of Partial Reinforcement in the Long Term Management of Insomnia. Trials, record NCT00662155. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00662155

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
The Role of Partial Reinforcement in the Long Term Management of Insomnia
NCT number
NCT00662155
Status
Completed
Phases
Not applicable
Enrollment
129 participants, actual
Lead sponsor
University of Pennsylvania
Conditions
Primary Insomnia
Interventions
Zolpidem, Placebos
First posted
2008-04-21
Last updated
2017-08-07
Results first posted
2017-08-07

Source ClinicalTrials.gov

Registered outcomes2

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

ListOutcomeTime frameDescription
PrimaryOverall Average Sleep Continuity Profile12-week average during Phase 3The standard measure for clinical trials research in insomnia is the sleep diary. This prospective self-report measurement tool provides an assessment of sleep continuity as a function of treatment.
PrimaryOverall Average Sleep Efficiency (%)12-week average during Phase 3
The standard measure for clinical trials research in insomnia is the sleep diary. This prospective self-report measurement tool provides an assessment of sleep efficiency (total sleep time/time in bed x 100) as a function of treatment.

Outcomes2

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYOverall Average Sleep Continuity Profile12-week average during Phase 3These were participants that meant compliance criteria and were included in all analyses.minutesMEAN
PRIMARYOverall Average Sleep Efficiency (%)12-week average during Phase 3These were participants that meant compliance criteria and were included in all analyses.percent sleep efficiencyMEAN

Results by group16

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Overall Average Sleep Continuity ProfileQHS-10Sleep Latency28.8Standard Error 3.4minutes
Overall Average Sleep Continuity ProfileIDS-10Sleep Latency33.8Standard Error 4.2minutes
Overall Average Sleep Continuity ProfilePRS-10Sleep Latency19.1Standard Error 3.8minutes
Overall Average Sleep Continuity ProfileQHS-5Sleep Latency20.7Standard Error 2.0minutes
Overall Average Sleep Continuity ProfileQHS-10Wake After Sleep Onset21.8Standard Error 2.6minutes
Overall Average Sleep Continuity ProfileIDS-10Wake After Sleep Onset28.4Standard Error 5.2minutes
Overall Average Sleep Continuity ProfilePRS-10Wake After Sleep Onset20.0Standard Error 4.3minutes
Overall Average Sleep Continuity ProfileQHS-5Wake After Sleep Onset11.3Standard Error 3.6minutes
Overall Average Sleep Continuity ProfileQHS-10Total Sleep Time465Standard Error 14.4minutes
Overall Average Sleep Continuity ProfileIDS-10Total Sleep Time426.1Standard Error 9.4minutes

Participant flow12

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDQHS-1016
Overall StudySTARTEDIDS-1020
Overall StudySTARTEDPRS-1020
Overall StudySTARTEDQHS-518
Overall StudyCOMPLETEDQHS-1013
Overall StudyCOMPLETEDIDS-1015
Overall StudyCOMPLETEDPRS-1013
Overall StudyCOMPLETEDQHS-514
Overall StudyNOT COMPLETEDQHS-103
Overall StudyNOT COMPLETEDIDS-105

Adverse events0

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

None in this release.

Adverse event totals12

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityQHS-10
Total, all-cause mortalityIDS-10
Total, all-cause mortalityPRS-10
Total, all-cause mortalityQHS-5
Total, other adverse eventsQHS-10016
Total, other adverse eventsIDS-10020
Total, other adverse eventsPRS-10020
Total, other adverse eventsQHS-5018
Total, serious adverse eventsQHS-10016
Total, serious adverse eventsIDS-10020

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants1

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

ProjectTitlePrincipal investigatorsOrganizationFunderFiscal years
R01AT003332The Role of Partial Reinforcement in the Long Term Management of InsomniaPERLIS, MICHAEL LLOYDUNIVERSITY OF PENNSYLVANIANATIONAL CENTER FOR COMPLEMENTARY & INTEGRATIVE HEALTH2006 to 2010

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

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.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT00662155

GET https://conductscience.org/api/trials/v1/NCT00662155/registered