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A Research Study to Compare the Treatments of a Combination of Elzasonan With Zoloft, to Zoloft Alone, or Placebo in People With Major Depressive Disorder (MDD)

Phase 2
Completed
Conditions
Depressive Disorder, Major
Registration Number
NCT00275197
Lead Sponsor
Pfizer
Brief Summary

The major purpose of the study is to help determine whether giving the combination of Elzasonan with Zoloft to people with depression is a better treatment than taking Zoloft alone. This study will also compare the safety and tolerability of Elzasonan and Zoloft combination to Zoloft alone or placebo.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
262
Inclusion Criteria
  • Adult subjects, 18 years of age or older with a diagnosis of recurrent, moderate-to-severe MDD without psychotic features (DSM-IV 296.3x, with a HAMD17 score >= to 22 and CGI-S >=4.
  • MDD must be the primary psychiatric disorder that motivated the subject to seek treatment and the current episode must be at least 1 month in duration but no longer than 6 months in duration.
Exclusion Criteria
  • Subjects who, in the investigator's judgement, would require treatment with electroconvulsive therapy (ECT), or antipsychotics, or would require a change in intensity of psychotherapy, or subjects who would require treatment with any other psychotherapeutic drugs during the course of the trial.
  • Subjects who have ever been diagnosed with Panic Disorder, Post-Traumatic Stress Disorder, Obsessive-Compulsive Disorder, Bipolar Affective Disorder, Schizophrenia, Schizoaffective Disorder or othe Psychotic Disorder, MDD with a seasonal pattern, or Dissociative Disorders per DSM-IV criteria.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
The estimated treatment difference (elzasonan plus sertraline - sertraline monotherapy) in MADRS (Montgomery-Asberg Depression Rating Scale) remission rates at Week 8 in patients with MDD.
Secondary Outcome Measures
NameTimeMethod
Change from baseline in: MADRS, CGI-I, CGI-S, HAMA, HAMD17, CSFQ, SOS-10 and PGID-D total scores at Week 8. Treatment differences in MADRS response rates at Week 8.

Trial Locations

Locations (1)

Pfizer Investigational Site

🇷🇺

St. Petersburg, Russian Federation

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