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Efficacy of Seroquel SR in Combination With an Antidepressant in Treatment of Major Depressive Disorder (ONYX)
This study has been completed.
First Received: July 12, 2006   Last Updated: December 18, 2008   History of Changes
Sponsor: AstraZeneca
Information provided by: AstraZeneca
ClinicalTrials.gov Identifier: NCT00351910
  Purpose

To evaluate the efficacy of quetiapine fumarate sustained release (Seroquel SR™) in combination with an antidepressant versus an antidepressant alone in patients with Major Depressive Disorder.

PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. The SR designation was changed to XR after consultation with FDA.


Condition Intervention Phase
Major Depressive Disorder
Drug: Quetiapine
Drug: Amitriptyline
Drug: Bupropion
Drug: Citalopram
Drug: Duloxetine
Drug: Escitalopram
Drug: Fluoxetine
Drug: Paroxetine
Drug: Sertraline
Drug: Venlafaxine
Phase III

Study Type: Interventional
Study Design: Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Placebo Control, Parallel Assignment, Efficacy Study
Official Title: A Multi-Centre, Double-Blind, Randomised, Parallel-Group, Placebo-Controlled Phase III Study of the Efficacy and Safety of Quetiapine Fumarate Sustained Release (Seroquel SRTM) in Combination With an Antidepressant in the Treatment of Patients With Major Depressive Disorder With Inadequate Response to an Antidepressant Treatment

Resource links provided by NLM:


Further study details as provided by AstraZeneca:

Primary Outcome Measures:
  • To evaluate the efficacy of quetiapine fumarate sustained release
  • (Seroquel SR™) in combination with an antidepressant versus an antidepressant alone in patients with Major Depressive Disorder.

Secondary Outcome Measures:
  • If quetiapine SR in combination with an antidepressant improves health-related quality of life of patients with MDD, compared to an antidepressant alone.

Enrollment: 494
Study Start Date: September 2005
Study Completion Date: April 2007
  Eligibility

Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Male or female aged 18 to 65 years
  • A documented diagnosis of major depressive disorder

Exclusion Criteria:

  • Patients with a DSM IV Axis I disorder other than MDD within 6 months of enrolment
  • Patients with a diagnosis of DSM IV Axis II disorder which has a major impact on the patient's current psychiatric status
  • Patients whose current episode of depression exceeds 12 months or is less than 4 weeks prior to enrolment
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00351910

  Show 74 Study Locations
Sponsors and Collaborators
AstraZeneca
Investigators
Study Director: Seroquel Medical Science Director, MD AstraZeneca
  More Information

Additional Information:
No publications provided by AstraZeneca

Additional publications automatically indexed to this study by National Clinical Trials Identifier (NCT ID):
Study ID Numbers: D1448C00007, ONYX, EUDRACT No: 2005-0055053-22
Study First Received: July 12, 2006
Last Updated: December 18, 2008
ClinicalTrials.gov Identifier: NCT00351910     History of Changes
Health Authority: Belgium: Directorate general for the protection of Public health: Medicines;   Australia: Department of Health and Ageing Therapeutic Goods Administration;   Czech Republic: State Institute for Drug Control;   Finland: Finnish Medicines Agency;   France: Afssaps - French Health Products Safety Agency;   Germany: Federal Institute for Drugs and Medical Devices;   Norway: Norwegian Medicines Agency;   Poland: Ministry of Health;   South Africa: Medicines Control Council;   Sweden: Medical Products Agency

Keywords provided by AstraZeneca:
Major Depressive Disorder
MDD

Additional relevant MeSH terms:
Dopamine Uptake Inhibitors
Neurotransmitter Uptake Inhibitors
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Adrenergic Agents
Adrenergic Uptake Inhibitors
Physiological Effects of Drugs
Psychotropic Drugs
Depressive Disorder, Major
Paroxetine
Duloxetine
Pathologic Processes
Sensory System Agents
Mental Disorders
Therapeutic Uses
Venlafaxine
Sertraline
Analgesics
Antidepressive Agents, Second-Generation
Antidepressive Agents
Tranquilizing Agents
Disease
Depression
Central Nervous System Depressants
Antipsychotic Agents
Depressive Disorder
Serotonin Uptake Inhibitors
Citalopram
Pharmacologic Actions
Behavioral Symptoms

ClinicalTrials.gov processed this record on November 27, 2009