Please assess the completion status of the following clinical trial:

Trial Title: BOAT: Beta Blocker Uptitration With OptiVol After Cardiac Resynchronization Therapy (CRT)

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:~* NYHA III-IV~* QRS \> 120 msec~* On medical therapy, but beta blocker dose not @ target (carvedilol 25 bid, metoprolol succinate 200 qd)~Exclusion Criteria:~* QRS \< 120 msec~* On target beta blocker dose

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 99 Years
- Healthy Volunteers: f

Study Arms:
- 1 (Type: ACTIVE_COMPARATOR): CRT and b-blocker uptitration to target dose
- 2 (Type: ACTIVE_COMPARATOR): CRT and continuation of entry b-blocker dose to 6 month evaluation

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