Overview

Comparing Quetiapine XR Monotherapy and Augmentation With Lithium Augmentation in TRD Patients

Status:
Completed
Trial end date:
2009-08-01
Target enrollment:
0
Participant gender:
All
Summary
The primary objective of the study is to evaluate the efficacy of Quetiapine extended release (XR) in combination with an selective serotonin reuptake inhibitor (SSRI) or Venlafaxine versus Lithium in combination with an selective serotonin reuptake inhibitor or Venlafaxine versus Quetiapine extended release monotherapy in subjects with treatment resistant depression as assessed by the changes from randomisation to week 6 in the Montgomery-Åsberg Depression Rating Scale (MADRS) total score. As an independent objective, the primary objective will also be evaluated in two subgroups of patients: (1) patients who were resistant to two previous antidepressant therapies and (2) in the subgroup of patients with one previous failure.
Phase:
Phase 3
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
AstraZeneca
Treatments:
Lithium Carbonate
Quetiapine Fumarate
Serotonin Uptake Inhibitors
Venlafaxine Hydrochloride
Criteria
Inclusion Criteria:

- Documented clinical diagnosis as confirmed by the M.I.N.I. meeting criteria from the
Diagnostic and Statistical Manual of Mental disorders, 4th Edition (DSM-IV) for any of
the following:296.2x MDD, Single Episode296.3x MDD, Recurrent Episode

- Current episode of depression present, at least 42 days prior to enrolment but not
more than 18 months

- MADRS-Score ≥ 25 at enrolment and randomisation

Exclusion Criteria:

- Patients with a DSM-IV Axis I disorder other than MDD within 6 months of randomisation

- Patients with a diagnosis of DSM-IV Axis II disorder which has a major impact on the
patient's current psychiatric status

- Patients who, in the investigator's judgment pose a current serious suicidal or
homicidal risk, or have made a suicide attempt within the past 6 months