Safety and Efficacy of Ramelteon in Elderly Subjects With Chronic Insomnia
Public ClinicalTrials.gov record NCT00671255. 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 Elderly Subjects With Chronic Insomnia
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This purpose of this study is to evaluate the safety and effectiveness of Ramelteon, once daily (QD), in elderly participants with chronic insomnia.
Study identification
- NCT ID
- NCT00671255
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 829 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 65 Years and older
- 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
- Jan 2004 (Actual)
- Completion
- Jan 2004 (Actual)
- Last update posted
- Feb 28, 2012
2002 – 2004
United States locations
- U.S. sites
- 102
- U.S. states
- 35
- U.S. cities
- 102
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Columbiana | Alabama | — | — |
| Not listed | Mobile | Alabama | — | — |
| Not listed | Muscle Shoals | Alabama | — | — |
| Not listed | Tallahassee | Alabama | — | — |
| 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 | Encinitas | California | — | — |
| Not listed | Irvine | California | — | — |
| Not listed | La Jolla | California | — | — |
| Not listed | La Mesa | California | — | — |
| Not listed | Los Angeles | California | — | — |
| Not listed | Murrieta | California | — | — |
| Not listed | Northridge | California | — | — |
| Not listed | Oakland | California | — | — |
| Not listed | Redlands | California | — | — |
| Not listed | Riverside | California | — | — |
| Not listed | Rosemead | California | — | — |
| Not listed | San Diego | California | — | — |
| Not listed | Spring Valley | California | — | — |
| Not listed | Vista | California | — | — |
| Not listed | Colorado Springs | Colorado | — | — |
| Not listed | Denver | Colorado | — | — |
| Not listed | Clearwater | Florida | — | — |
| Not listed | DeLand | Florida | — | — |
| Not listed | Hollywood | Florida | — | — |
| Not listed | Jacksonville | Florida | — | — |
| Not listed | Kissimmee | Florida | — | — |
| Not listed | Longwood | Florida | — | — |
| Not listed | Pembroke Pines | Florida | — | — |
| Not listed | Pinellas Park | 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 | Macon | Georgia | — | — |
| Not listed | Chciago | Illinois | — | — |
| Not listed | Northfield | Illinois | — | — |
| Not listed | Evansville | Indiana | — | — |
| Not listed | Shawnee Mission | Kansas | — | — |
| Not listed | Wichita | Kansas | — | — |
| Not listed | Louisville | Kentucky | — | — |
| Not listed | Murray | Kentucky | — | — |
| Not listed | New Orleans | Louisiana | — | — |
| Not listed | Bethesda | Maryland | — | — |
| Not listed | Belmont | Massachusetts | — | — |
| Not listed | Brockton | Massachusetts | — | — |
| Not listed | Newton | Massachusetts | — | — |
| Not listed | Detroit | Michigan | — | — |
| Not listed | Hattiesburg | Mississippi | — | — |
| Not listed | Kansas City | Missouri | — | — |
| Not listed | St Louis | Missouri | — | — |
| Not listed | Lincoln | Nebraska | — | — |
| Not listed | Las Vegas | Nevada | — | — |
| Not listed | Brick | New Jersey | — | — |
| Not listed | Edison | New Jersey | — | — |
| Not listed | Toms River | New Jersey | — | — |
| Not listed | Albuquerque | New Mexico | — | — |
| Not listed | Great Neck | New York | — | — |
| Not listed | Manlius | New York | — | — |
| Not listed | Mineola | New York | — | — |
| Not listed | Williamsville | New York | — | — |
| Not listed | Cary | North Carolina | — | — |
| Not listed | Greensboro | North Carolina | — | — |
| Not listed | Hickory | North Carolina | — | — |
| Not listed | Raleigh | North Carolina | — | — |
| Not listed | Salisbury | North Carolina | — | — |
| Not listed | Winston-Salem | North Carolina | — | — |
| Not listed | Beachwood | Ohio | — | — |
| Not listed | Canfield | Ohio | — | — |
| Not listed | Cincinnati | Ohio | — | — |
| Not listed | Toledo | Ohio | — | — |
| Not listed | Oklahoma City | Oklahoma | — | — |
| Not listed | Tulsa | Oklahoma | — | — |
| Not listed | Eugene | Oregon | — | — |
| Not listed | Portland | Oregon | — | — |
| Not listed | Jenkintown | Pennsylvania | — | — |
| Not listed | Reading | Pennsylvania | — | — |
| Not listed | Scotland | Pennsylvania | — | — |
| Not listed | Warwick | Rhode Island | — | — |
| Not listed | Anderson | South Carolina | — | — |
| Not listed | Greer | South Carolina | — | — |
| Not listed | Mt. Pleasant | South Carolina | — | — |
| Not listed | Fayetteville | Tennessee | — | — |
| Not listed | Johnson City | Tennessee | — | — |
| Not listed | Dallas | Texas | — | — |
| Not listed | Fort Worth | Texas | — | — |
| Not listed | Houston | Texas | — | — |
| Not listed | San Antonio | Texas | — | — |
| Not listed | Salt Lake City | Utah | — | — |
| Not listed | Norfolk | Virginia | — | — |
| Not listed | Bellevue | Washington | — | — |
| Not listed | Gig Harbor | Washington | — | — |
| Not listed | Madison | Wisconsin | — | — |
| Not listed | New Berlin | Wisconsin | — | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 13 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00671255, 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 28, 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 NCT00671255 live on ClinicalTrials.gov.