Safety and Efficacy of Ramelteon in Healthy Subjects
Public ClinicalTrials.gov record NCT00671190. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2 Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Dose-Ranging Study to Evaluate the Phase-Shifting Effects of Repeated Daily Dosing of Ramelteon in Healthy Subjects
Study identification
- NCT ID
- NCT00671190
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Takeda
- Industry
- Enrollment
- 75 participants
Conditions and interventions
Conditions
Interventions
- Ramelteon Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 45 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 28, 2005
- Primary completion
- Apr 30, 2005
- Completion
- Apr 30, 2005
- Last update posted
- Feb 27, 2012
2005
United States locations
- U.S. sites
- 13
- U.S. states
- 11
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Hot Springs | Arkansas | — | — |
| Not listed | Los Angeles | California | — | — |
| Not listed | San Diego | California | — | — |
| Not listed | Miami | Florida | — | — |
| Not listed | Atlanta | Georgia | — | — |
| Not listed | Macon | Georgia | — | — |
| Not listed | Danville | Indiana | — | — |
| Not listed | Overland Park | Kansas | — | — |
| Not listed | Metairie | Louisiana | — | — |
| Not listed | Chevy Chase | Maryland | — | — |
| Not listed | Las Vegas | Nevada | — | — |
| Not listed | Dublin | Ohio | — | — |
| Not listed | Columbia | South Carolina | — | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00671190, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 27, 2012 · Synced Jul 20, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00671190 live on ClinicalTrials.gov.