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Completed Phase 3 Interventional

Long-Term Efficacy and Safety of Ramelteon in Adults With Chronic Insomnia.

ClinicalTrials.gov ID: NCT00247390

Public ClinicalTrials.gov record NCT00247390. 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.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 2:22 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomised, Double-blind, Placebo-controlled Study to Determine the Long-term Efficacy and Safety of Ramelteon in Adults With Chronic Insomnia.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study to determine the long-term efficacy and safety of ramelteon, once daily (QD).

Study identification

NCT ID
NCT00247390
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Takeda
Industry
Enrollment
451 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 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
Jun 30, 2005
Primary completion
Nov 30, 2006
Completion
Nov 30, 2006
Last update posted
Jun 2, 2010

2005 – 2006

United States locations

U.S. sites
19
U.S. states
13
U.S. cities
19
Facility City State ZIP Site status
Not listed Birmingham Alabama
Not listed Hot Springs Arkansas
Not listed Los Angeles California
Not listed Oakland California
Not listed San Diego California
Not listed Santa Monica California
Not listed Miami Florida
Not listed Naples Florida
Not listed Winter Park Florida
Not listed Atlanta Georgia
Not listed Overland Park Kansas
Not listed Louisville Kentucky
Not listed Chevy Chase Maryland
Not listed Lincoln Nebraska
Not listed New York New York
Not listed Cincinnati Ohio
Not listed Toledo Ohio
Not listed Columbia South Carolina
Not listed Austin Texas

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 29 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00247390, 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 Jun 2, 2010 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00247390 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →