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

This study has been completed.
Information provided by:
ClinicalTrials.gov Identifier:
First received: November 10, 2005
Last updated: March 10, 2009
Last verified: March 2009
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.

Condition Intervention Phase
Anxiety Disorder
Drug: SR58611A
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Treatment
Official Title: 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

Resource links provided by NLM:

Further study details as provided by Sanofi:

Primary Outcome Measures:
  • 14-item Hamilton Anxiety Rating Scale (HAM-A) total score

Secondary Outcome Measures:
  • Change from baseline in Clinical Global Impression (CGI)
  • Severity of Illness score
  • Safety assessments

Enrollment: 360
Study Start Date: September 2005
Study Completion Date: February 2007
Primary Completion Date: February 2007 (Final data collection date for primary outcome measure)
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.

Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

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.
  Contacts and Locations
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Please refer to this study by its ClinicalTrials.gov identifier: NCT00252343

United States, New Jersey
Sanofi-Aventis Administrative Office
Bridgewater, New Jersey, United States, 08807
Sponsors and Collaborators
Study Director: ICD CSD Sanofi
  More Information

Additional Information:
No publications provided

Responsible Party: ICD Study Director, sanofi-aventis
ClinicalTrials.gov Identifier: NCT00252343     History of Changes
Other Study ID Numbers: EFC5892 
Study First Received: November 10, 2005
Last Updated: March 10, 2009
Health Authority: United States: Food and Drug Administration

Keywords provided by Sanofi:
anxiety disorder

Additional relevant MeSH terms:
Anxiety Disorders
Mental Disorders
Adrenergic Agents
Adrenergic Agonists
Adrenergic beta-Agonists
Molecular Mechanisms of Pharmacological Action
Neurotransmitter Agents
Pharmacologic Actions
Physiological Effects of Drugs

ClinicalTrials.gov processed this record on February 07, 2016