Efficacy and Safety of SR58611A in Patients With a Generalized Anxiety Disorder (LIBRA)

March 10, 2009 updated by: Sanofi

An Eight-Week, Double-Blind, Placebo-Controlled, Multicenter Study With Escitalopram (10mg qd) as Positive Control, Evaluating the Efficacy, Safety, Tolerability of a Fixed Dose of SR58611A (350 mg q12) in Outpatients With Generalized Anxiety Disorder

To evaluate the efficacy of a fixed dose of SR58611A (350mg q12) compared to placebo in patients with GeneralizedAnxiety Disorder (GAD) using escitalopram (10 mg qd) as positive control. To evaluate the tolerability and safety of SR58611A in patients with GAD.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The current study will be conducted to evaluate the efficacy, safety, and tolerability of SR58611A (350 mg q12) compared to placebo in patients with generalized anxiety disorder (GAD), using escitalopram (10 mg qd) as a positive control. This is an 8-week, double-blind, randomized, 3-parallel-group, placebo- and escitalopram-controlled, study.A 1-week, placebo, single-blind period precedes the 8-week randomized treatment period. A Safety Follow up Visit (Segment C) is scheduled 1 week after the acute treatmentperiod (Segment B) or early termination. This trial is designed to compare the efficacy, safety, and tolerability of SR58611A to placebo. In this study, escitalopram, a selective serotonin reuptake inhibitor (SSRI) antidepressant, is used as a positive control and has been chosen as the comparator agentas it is approved for treatment of GAD at a dose of 10 mg once daily.

Study Type

Interventional

Enrollment (Actual)

360

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

  • United States
    • New Jersey
      • Bridgewater, New Jersey, United States, 08807
        • Sanofi-Aventis Administrative Office

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 and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

Main inclusion criteria:

  1. Out-patients, 18 year and older.
  2. Generalized Anxiety Disorder (GAD) according toDSM-IV-TR criteria / MINI.
  3. Minimum total score of 20 on the 14-item HamiltonAnxiety Rating Scale (HAM-A)

Exclusion Criteria:

Main exclusion criteria:

  1. Patients with a diagnosis of Major Depressive Disorder within 6 months of study entry.
  2. Patients with a Montgomery-Asberg Depression Rating Scale (MADRS) total score of 18 or higher
  3. Patients who are assessed to have a moderate to high current risk for suicide according to the MINI, or at imminent risk for a suicide attempt
  4. Patients with other current anxiety disorder (within 6 months) assessed with the MINI:- Agoraphobia, social phobia,- Panic disorder,- Obsessive compulsive disorder,- Post-traumatic stress disorder, acute stress disorder.
  5. Patients with a lifetime history according to the MINI of:- Bipolar disorders,- Psychotic disorders,- Antisocial Personality Disorder.
  6. Patients with a current history according to the MINI of:- Anorexia nervosa or bulimia nervosa in the past 6 months,- Alcohol dependence or abuse or substance dependence or abuse in the past 12 months except nicotine or caffeine dependence.
  7. Patients who have received non-pharmacologic, somatic treatments for psychiatric disease
  8. Patients who have initiated, stopped, or changed the frequency or nature of psychotherapy within 3 months prior to screening.

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
14-item Hamilton Anxiety Rating Scale (HAM-A) total score

Secondary Outcome Measures

Outcome Measure
Safety assessments
Change from baseline in Clinical Global Impression (CGI)
Severity of Illness score

Collaborators and Investigators

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

Sponsor

Sanofi

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.

Helpful Links

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

September 1, 2005

Primary Completion (Actual)

February 1, 2007

Study Completion (Actual)

February 1, 2007

Study Registration Dates

First Submitted

November 10, 2005

First Submitted That Met QC Criteria

November 10, 2005

First Posted (Estimate)

November 11, 2005

Study Record Updates

Last Update Posted (Estimate)

March 12, 2009

Last Update Submitted That Met QC Criteria

March 10, 2009

Last Verified

March 1, 2009

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • EFC5892

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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