Ramelteon in Adults With Chronic Insomnia
Public ClinicalTrials.gov record NCT00671567. 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 III, Randomized, Double-Blind, Placebo-Controlled, Outpatient, Safety and Efficacy Study of TAK-375 in Adults With Chronic Insomnia
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine the safety and efficacy of Ramelteon, once daily (QD), in adult subjects with chronic insomnia.
Study identification
- NCT ID
- NCT00671567
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 848 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 64 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 2002 (Type not available)
- Primary completion
- Sep 2003 (Actual)
- Completion
- Sep 2003 (Actual)
- Last update posted
- Nov 20, 2012
2002 – 2003
United States locations
- U.S. sites
- 70
- U.S. states
- 29
- U.S. cities
- 70
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Birmingham | Alabama | — | — |
| Not listed | Mobile | Alabama | — | — |
| Not listed | Mesa | Arizona | — | — |
| Not listed | Phoenix | Arizona | — | — |
| Not listed | Scottsdale | Arizona | — | — |
| Not listed | Tempe | Arizona | — | — |
| Not listed | Hot Springs | Arkansas | — | — |
| Not listed | Little Rock | Arkansas | — | — |
| Not listed | Anaheim | California | — | — |
| Not listed | Chula Vista | California | — | — |
| Not listed | Irvine | California | — | — |
| Not listed | La Mesa | California | — | — |
| Not listed | Newport Beach | California | — | — |
| Not listed | Northridge | California | — | — |
| Not listed | Oakland | California | — | — |
| Not listed | Redlands | California | — | — |
| Not listed | Spring Valley | California | — | — |
| Not listed | Colorado Springs | Colorado | — | — |
| Not listed | Denver | Colorado | — | — |
| Not listed | Clearwater | Florida | — | — |
| Not listed | Hollywood | Florida | — | — |
| Not listed | Jacksonville | Florida | — | — |
| Not listed | Longwood | Florida | — | — |
| Not listed | Pembroke Pines | Florida | — | — |
| Not listed | Safety Harbor | Florida | — | — |
| Not listed | St. Petersburg | Florida | — | — |
| Not listed | Tampa | Florida | — | — |
| Not listed | Vero Beach | Florida | — | — |
| Not listed | West Palm Beach | Florida | — | — |
| Not listed | Winter Park | Florida | — | — |
| Not listed | Atlanta | Georgia | — | — |
| Not listed | Blairsville | Georgia | — | — |
| Not listed | Decatur | Georgia | — | — |
| Not listed | Macon | Georgia | — | — |
| Not listed | Marietta | Georgia | — | — |
| Not listed | Arlington Heights | Illinois | — | — |
| Not listed | Chicago | Illinois | — | — |
| Not listed | Danville | Indiana | — | — |
| Not listed | Evansville | Indiana | — | — |
| Not listed | Shawnee Mission | Kansas | — | — |
| Not listed | Bethesda | Maryland | — | — |
| Not listed | Brockton | Massachusetts | — | — |
| Not listed | Detroit | Michigan | — | — |
| Not listed | Hattiesburg | Mississippi | — | — |
| Not listed | St Louis | Missouri | — | — |
| Not listed | Lawrenceville | New Jersey | — | — |
| Not listed | Moorestown | New Jersey | — | — |
| Not listed | Albuquerque | New Mexico | — | — |
| Not listed | Mineola | New York | — | — |
| Not listed | Williamsville | New York | — | — |
| Not listed | Cary | North Carolina | — | — |
| Not listed | Raleigh | North Carolina | — | — |
| Not listed | Winston-Salem | North Carolina | — | — |
| Not listed | Beachwood | Ohio | — | — |
| Not listed | Cincinnati | Ohio | — | — |
| Not listed | Oklahoma City | Oklahoma | — | — |
| Not listed | Altoona | Pennsylvania | — | — |
| Not listed | Jenkintown | Pennsylvania | — | — |
| Not listed | Philadelphia | Pennsylvania | — | — |
| Not listed | Sellersville | Pennsylvania | — | — |
| Not listed | Warwick | Rhode Island | — | — |
| Not listed | Mt. Pleasant | South Carolina | — | — |
| Not listed | Johnson City | Tennessee | — | — |
| Not listed | Dallas | Texas | — | — |
| Not listed | Houston | Texas | — | — |
| Not listed | San Antonio | Texas | — | — |
| Not listed | Salt Lake City | Utah | — | — |
| Not listed | Norfolk | Virginia | — | — |
| Not listed | Virginia Beach | Virginia | — | — |
| Not listed | Gig Harbor | Washington | — | — |
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 NCT00671567, 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 Nov 20, 2012 · Synced Oct 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 public registry record, listed eligibility criteria, and available contact information for NCT00671567 live on ClinicalTrials.gov.