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NCT00569972 · ClinicalTrials.gov registry record · Phase 2
A Randomized, Double Blind, Parallel Group, Placebo Controlled, Multicenter Outpatient Trial Of PD 0200390 In Adults With Primary Insomnia
A Phase 2 study, sponsored by Pfizer.
- Completed
- Registry status
- Phase 2
- Development phase
- 682
- Enrollment target
NCT00569972: Completed Phase 2 study, sponsored by Pfizer.
NCT00569972 is a Phase 2 study that has completed, run by Pfizer. The registered enrollment target is 682 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (413% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00569972, a Phase 2 study, has completed, sponsored by Pfizer.
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 682 participants
- Enrollment target
Study Summary
To demonstrate efficacy and characterize the dose response relationship of PD 0200390 on subjective wake after sleep onset in subjects with primary insomnia.
Interventions
- DRUG Placebo
- DRUG PD 0200390
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 682 participants |
| Start Date | 2007-10 |
| Est. Completion | 2009-01 |
| Phase | Phase 2 |
What the finished NCT00569972 record still lists
NCT00569972 is an interventional study that assigns participants to a tested intervention. The registered 682 participants enrollment target is mid-sized for trials with a published cap, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (413% higher).
The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.
NCT00569972 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00569972 about?
NCT00569972 is a clinical study titled "A Randomized, Double Blind, Parallel Group, Placebo Controlled, Multicenter Outpatient Trial Of PD 0200390 In Adults With Primary Insomnia". To demonstrate efficacy and characterize the dose response relationship of PD 0200390 on subjective wake after sleep onset in subjects with primary insomnia.
What is the current status of trial NCT00569972?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 682 participants. The study started on 2007-10. Estimated completion is 2009-01.
What interventions are being tested in trial NCT00569972?
The interventions under investigation include: Placebo (DRUG), PD 0200390 (DRUG).
Who is sponsoring clinical trial NCT00569972?
This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00569972's enrollment target sits among peer trials
682 48th of 2000 higher than 1,953 of 2,000 other Phase 2 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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