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Completed Phase 3 Interventional

6-Month Chronic Efficacy & Safety Study of Eszopiclone in Adult Subjects With Primary Insomnia

ClinicalTrials.gov ID: NCT00352144

Public ClinicalTrials.gov record NCT00352144. 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 Oct 21, 2026, 6:27 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 Six-Month, Chronic Efficacy and Safety Study of Eszopiclone in Adult Subjects With Primary Insomnia: A Randomized Double-Blind, Placebo-Controlled Study

Brief summary

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

To evaluate the long-term efficacy of eszopiclone administered for up to 6 months in subjects with primary insomnia on subjective sleep measures, compared to placebo.

Study identification

NCT ID
NCT00352144
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Enrollment
830 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
21 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
Oct 2003 (Type not available)
Primary completion
Oct 2004 (Actual)
Completion
Oct 2004 (Actual)
Last update posted
Feb 22, 2012

2003 – 2004

United States locations

U.S. sites
58
U.S. states
24
U.S. cities
58
Facility City State ZIP Site status
Not listed Birmingham Alabama — —
Not listed Huntsville Alabama — —
Not listed Phoenix Arizona — —
Not listed Scottsdale Arizona — —
Not listed Anaheim California — —
Not listed Irvine California — —
Not listed Oakland California — —
Not listed Redlands California — —
Not listed San Diego California — —
Not listed Aurora Colorado — —
Not listed Denver Colorado — —
Not listed Longmont Colorado — —
Not listed Pueblo Colorado — —
Not listed Clearwater Florida — —
Not listed Jacksonville Florida — —
Not listed Jupiter Florida — —
Not listed Naples Florida — —
Not listed Orlando Florida — —
Not listed Pembroke Pines Florida — —
Not listed Pinellas Park Florida — —
Not listed St. Petersburg Florida — —
Not listed Tampa Florida — —
Not listed Atlanta Georgia — —
Not listed Blairsville Georgia — —
Not listed Chicago Illinois — —
Not listed Elk Grove Village Illinois — —
Not listed Northbrook Illinois — —
Not listed Evansville Indiana — —
Not listed Olathe Kansas — —
Not listed Prairie Village Kansas — —
Not listed Chevy Chase Maryland — —
Not listed Frederick Maryland — —
Not listed Newton Massachusetts — —
Not listed Kansas City Missouri — —
Not listed St Louis Missouri — —
Not listed Lincoln Nebraska — —
Not listed Las Vegas Nevada — —
Not listed Hamilton New Jersey — —
Not listed New York New York — —
Not listed Cary North Carolina — —
Not listed Cincinnati Ohio — —
Not listed Cleveland Ohio — —
Not listed Columbus Ohio — —
Not listed Mogadore Ohio — —
Not listed Oklahoma City Oklahoma — —
Not listed Eugene Oregon — —
Not listed Bala-Cynwyd Pennsylvania — —
Not listed Anderson South Carolina — —
Not listed Columbia South Carolina — —
Not listed Austin Texas — —
Not listed Dallas Texas — —
Not listed Houston Texas — —
Not listed Jackson Texas — —
Not listed Lubbock Texas — —
Not listed Plano Texas — —
Not listed San Antonio Texas — —
Not listed Brown Deer Wisconsin — —
Not listed Madison Wisconsin — —

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 NCT00352144, 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 22, 2012 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00352144 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →