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NCT00492011 · ClinicalTrials.gov registry record · Phase 4
Efficacy of Ramelteon on Insomnia Symptoms Associated With Jet Lag in Healthy Adult Volunteers
A Phase 4 study of Circadian Dysregulation, sponsored by Takeda.
- Completed
- Registry status
- Phase 4
- Development phase
- 110
- Enrollment target
- 4
- Study locations
NCT00492011: Completed Phase 4 study of Circadian Dysregulation, sponsored by Takeda.
NCT00492011 is a Phase 4 study of Circadian Dysregulation that has completed, run by Takeda. The registered enrollment target is 110 participants, above the 60-participant average among 10 other Circadian Dysregulation trials with a reported enrollment target (83% higher). The trial reports 4 study locations across 3 states. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00492011, a Phase 4 study of Circadian Dysregulation, has completed, sponsored by Takeda.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 110 participants
- Enrollment target
- 4
- Study locations
Study Summary
The purpose of this study to determine the degree to which ramelteon, once daily (QD), can reduce the insomnia symptoms associated with rapid, eastward travel across 5 time zones.
Conditions Studied
Interventions
- DRUG Placebo
- DRUG Ramelteon
Study Locations (4)
Florida
- - Miami
- - Pembroke Pines
Hawaii
- - Honolulu
New York
- - New York
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 110 participants |
| Start Date | 2007-02 |
| Est. Completion | 2007-08 |
| Phase | Phase 4 |
What the finished NCT00492011 record still lists
NCT00492011 is an interventional study that assigns participants to a tested intervention. The registered 110 participants enrollment target is mid-sized for trials with a published cap, above the 60-participant average among 10 other Circadian Dysregulation trials with a reported enrollment target (83% higher).
The record links to 1 condition, with Circadian Dysregulation appearing as the primary indexed condition, and to 2 interventions - of which Placebo is the first listed.
NCT00492011 reports a single indexed study location in Florida, Hawaii, New York.
Frequently Asked Questions
What is clinical trial NCT00492011 about?
NCT00492011 is a clinical study titled "Efficacy of Ramelteon on Insomnia Symptoms Associated With Jet Lag in Healthy Adult Volunteers". The purpose of this study to determine the degree to which ramelteon, once daily (QD), can reduce the insomnia symptoms associated with rapid, eastward travel across 5 time zones.
What is the current status of trial NCT00492011?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 110 participants. The study started on 2007-02. Estimated completion is 2007-08.
What conditions does trial NCT00492011 study?
This clinical trial studies the following conditions: Circadian Dysregulation.
What interventions are being tested in trial NCT00492011?
The interventions under investigation include: Placebo (DRUG), Ramelteon (DRUG).
Who is sponsoring clinical trial NCT00492011?
This trial is sponsored by Takeda, which has 408 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00492011 being conducted?
This trial has 4 study locations across Florida, Hawaii, New York. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Circadian Dysregulation
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT00492011's enrollment target sits among peer trials
110 4th of 10 higher than 7 of 10 other Circadian Dysregulation trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Circadian Dysregulation 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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