Please assess the completion status of the following clinical trial:

Trial Title: Tight Hemodynamic Control in Patients Who Are Chronically on Metoprolol

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

Eligibility Criteria:
Patient inclusion criteria:~* Elective vascular surgery~* Any of the following co morbidities~  * Diabetes~ * Angina~ * Congestive heart failure~ * A serum creatinine above 176 mmol/l~* All patients must be on stable dose of oral metoprolol (≥ 30 days)~* Age ≥ 20 years and ≤ 80 years~* Written informed consent to participate to the study~Patient exclusion criteria:~* Inability to understand the study protocol~* Prior gastric surgery or small bowel resection~* Pacemaker ( since it precludes the measurement of ST changes)~* Malabsorption syndromes~* Body Mass Index \< 18 and \> 35~* Any patient with suspected of diagnosed Cerebral vascular disease. (We chose to exclude CVA patients due to the ongoing controversy about the increased incidence of stroke in patients have surgery and who are taking beta-blockers.)

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- Metoprolol oral dose or Placebo infusion (Type: ACTIVE_COMPARATOR): None
- Esmolol infusion or Placebo oral dose (Type: EXPERIMENTAL): None

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