Please assess the completion status of the following clinical trial:

Trial Title: Treatment of Ventricular Tachyarrhythmias Refractory To Shock With Beta Blockers: The SHOCK and BLOCK Trial

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* All patients age \> 18 years of age who develop an in-hospital VF or pVT arrest which persists after three or more precordial shocks.~* Patients who develop an in-hospital cardiac arrest due to asystole or PEA which subsequently converts to VF or pVT will be included.~Exclusion Criteria:~* Pediatric patients~* Pregnancy~* Age \< 18 years of age~* Patients who develop VF or pVT in the emergency room, operating room or surgical intensive care unit.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Standard Of Care Drug Epinephrine (Type: ACTIVE_COMPARATOR): Additional doses of Epinephrine (1 mg) given as part of standard of care during cardiac arrest
- IV Metoprolol instead Epinephrine (Type: ACTIVE_COMPARATOR): IV metoprolol 5 mg. up to 2 times (only) during cardiac arrest will be given instead of additional Epinephrine doses

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