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Trial · NCT00551148

A Dose-ranging, Multicenter Polysomnography Trial of PD 0200390 in Adults With Primary Insomnia

NCT00551148, Phase 2, Completed, Pfizer

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. A Dose-ranging, Multicenter Polysomnography Trial of PD 0200390 in Adults With Primary Insomnia. Trials, record NCT00551148. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00551148

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Trial

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

Title
A Dose-ranging, Multicenter Polysomnography Trial of PD 0200390 in Adults With Primary Insomnia
NCT number
NCT00551148
Status
Completed
Phases
Phase 2
Enrollment
92 participants, actual
Lead sponsor
Pfizer
Conditions
Primary Insomnia
Interventions
PD 0200390, PD 0200390, PD 0200390, PD 0200390, Placebo
First posted
2007-10-30
Last updated
2012-07-25

Source ClinicalTrials.gov

Registered outcomes5

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

ListOutcomeTime frameDescription
PrimaryDose-response relationship of PD 200390 on wake after sleep onset (WASO) in subjects with primary insomnia as determined by Polysomnographyweekly
SecondarySubjective assessments of wake after sleep onset (sWASO), latency to sleep onset (LSO), number of awakenings after sleep onset (sNAASO), total sleep time (TST), and sleep quality via questionnaire.weekly
SecondarySubjective assessment of sleep with Leeds Sleep Evaluation Questionnaire-LSEQ.weekly
SecondaryPSG efficacy assessments including number of awakenings after sleep onset (NAASO), number of arousals, total sleep time (TST), sleep efficiency (SE), total wake time (TWT)weekly
SecondaryLatency to persistent sleep (LPS) as determined by Polysomnographyweekly

Outcomes0

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

None in this release.

Results by group0

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

None in this release.

Participant flow0

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

None in this release.

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 totals0

The totals the trial posted for each group.

None in this release.

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

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.

None in this release.

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/NCT00551148

GET https://conductscience.org/api/trials/v1/NCT00551148/registered