Please assess the completion status of the following clinical trial:

Trial Title: Efficacy of Seroquel SR in Combination With an Antidepressant in Treatment of Major Depressive Disorder

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE3
- Number of Arms: None

Eligibility 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

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Based on this trial design, predict the completion outcome and termination type (if applicable).