Please assess the completion status of the following clinical trial:

Trial Title: Cost- Effectiveness and Quality of Life Assessment in Bipolar Disorder Depressive Episode

Study Design Characteristics:
- Allocation: None
- Intervention Model: SEQUENTIAL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~1. ages between 18 and 65;~2. BD current acute mixed episode;~3. total capacity to understand and respond to self-applied instruments;~4. the presence of symptoms in the last 30 days;~5. abstinence for at least 30 days for drug addicts.~Exclusion Criteria:~1. presence of Organic Brain Syndrome (OBS);~2. pregnancy or lactation;~3. criteria for psychiatric hospitalization. -

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

Study Arms:
- Lithium Carbonate (Type: EXPERIMENTAL): Group Started: Lithium Carbonate (900mg-1500mg)~Subjects evaluated for responsiveness every 2 weeks. Responsive to treatment patients remain in the same step. Max. step duration of 8 weeks.~First step: Monotherapy with Lithium (LSL 0.6-0.8). Non responsive patients: 2nd step.~Second step: Monotherapy with lithium (LSL 1.0-1.2). Non responsive patients: 3rd step.~Third step: Lithium + Sertraline (50mg-200mg). Non responsive patients: 4th step.~Fourth step: Lithium + Nortriptyline 100mg. Non responsive patients: 5th step.~Fifth step: Lithium + Nortriptyline 100mg + Sertraline (100mg-200mg). Non responsive patients: 6th step~Sixth step: Lithium + Nortriptyline 100mg + Sertraline 200mg + Risperidone (1mg-6mg).

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