Please assess the completion status of the following clinical trial:

Trial Title: The Role of Synbiotics in Reducing Post-Operative Infections in Patients Undergoing Cardiac Surgery: A Pilot Study

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

Eligibility Criteria:
Inclusion Criteria:~* Undergoing cardiac surgery, able to consent, and at least one of the following:~  * Age \>65 years~ * ejection fraction \<=40%~ * diabetes mellitus (insulin requiring and non-insulin requiring)~ * peripheral vascular disease~ * creatinine \>=2 mg/dl~ * body surface area \>= 2 sq meters~ * endocarditis~ * albumin \<=2.5 g/dl~ * on antibiotics for any reason other than operative prophylaxis~Exclusion Criteria:~* Unable to consent~* Not meeting inclusion criteria

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

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