Efficacy and Safety of Zolpidem-MR Administered Over a Long Term Period as Needed for Insomnia (ZOLONG)

April 3, 2009 updated by: Sanofi

Evaluation of the Long-Term Efficacy and Safety of Zolpidem-MR 12.5 mg Compared to Placebo, When Both Are Administered Over a Long-Term Period "as Needed", in Patients With Chronic Primary Insomnia

The primary objective of the study is to evaluate the hypnotic efficacy of zolpidem-MR 12.5 mg in comparison with placebo, when administered over a long-term period, on an "as needed" basis, in patients with chronic primary insomnia.

Secondary objectives of the study are to evaluate the drug taking behavior over a long-term period and the clinical safety and tolerability of zolpidem-MR 12.5 mg in comparison to placebo administered over a long-term period, on an as needed basis.

Study Overview

Status

Completed

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

1025

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Pennsylvania
      • Malvern, Pennsylvania, United States, 19355
        • Sanofi-Aventis

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 64 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • patients with chronic primary insomnia

The investigator will evaluate whether there are other reasons why a patient may not participate.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

What is the study measuring?

Primary Outcome Measures

Outcome Measure
The primary efficacy variable is item 1 (which assessed sleep aid) of the Patient Global Impression (PGI) scale at week 12.

Secondary Outcome Measures

Outcome Measure
Main secondary variables are the Clinical Global Impression (CGI) improvement item and to items 2, 3, and 4 of the PGI scale at week 12.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

August 1, 2004

Primary Completion (Actual)

January 1, 2006

Study Completion (Actual)

January 1, 2006

Study Registration Dates

First Submitted

January 19, 2007

First Submitted That Met QC Criteria

January 19, 2007

First Posted (Estimate)

January 22, 2007

Study Record Updates

Last Update Posted (Estimate)

April 6, 2009

Last Update Submitted That Met QC Criteria

April 3, 2009

Last Verified

April 1, 2009

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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