Please assess the completion status of the following clinical trial:

Trial Title: IV Acetaminophen as an Adjunct Analgesic in Cardiac Surgery

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

Eligibility Criteria:
Inclusion Criteria:~* (1) subjects who clinically consented to elective sternotomy for coronary artery bypass grafting (CABG), heart valve repair or replacement under general anesthesia, and (2) ages between 18 and 75 years~Exclusion Criteria:~* (1) subject refusal, (2) non-English speaking, (3) previous chronic or neuropathic pain, (4) previous chronic use of opioids, (5) history of psychiatric disorder, (6) allergy to acetaminophen, (7) severely impaired liver and kidney function and (8) previous sternotomy

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- IV acetaminophen (Type: EXPERIMENTAL): Study subjects receiving IV acetaminophen
- Normal saline (Type: PLACEBO_COMPARATOR): Study subjects receiving placebo

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