Please assess the completion status of the following clinical trial:

Trial Title: A Comparison of the Effectiveness of Seroquel XR and Seroquel XR Plus Lithium in Patients With Acute Bipolar Mania: An Open-label, Randomized, Parallel Groups, Rater-blinded, 4 Week, Multicenter, Comparative,Study

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Female and/or male inpatients or outpatients, aged over 18 years and under 65 years~* Documented clinical diagnosis meeting the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV) criteria~* YMRS total score =20 at enrollment and randomization (Day 1) Patients had a history of at least one manic episode that required hospitalization and/or treatment with a mood stabilizer or antipsychotic.~* Female patients must have a negative urine human chorionic gonadotropin (HCG) test at enrolment and must be using a reliable method of birth control, ie, barrier method, oral contraceptive, implant, dermal contraception, long-term injectable contraceptive~Exclusion Criteria:~* Pregnancy or lactation Meeting the criteria for any other (than bipolar disorder) DSM-IV Axis I diagnosis, concomitant organic mental disorder or mental retardation~* Patients who, in the opinion of the investigator, pose an imminent risk of suicide or a danger to self or others~* Administration of a depot antipsychotic injection within one dosing interval (for the depot) before randomization/baseline~* Known intolerance or hypersensitivity to, or lack of response to previous treatment with quetiapine fumarate or lithium

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

Study Arms:
- 1 (Type: EXPERIMENTAL): Seroquel XR tablet
- 2 (Type: ACTIVE_COMPARATOR): Seroquel XR + lithium

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