Please assess the completion status of the following clinical trial:

Trial Title: Contrast Nephropathy Prevention With N-Acetylcysteine in Acute Myocardial Infarction

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE2/PHASE3
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:Consecutive patients admitted to the Coronary Care Unit for ST-segment elevation acute myocardial infarction undergoing primary angioplasty. Patients were included if they presented within 12 hours (18 hours for acute myocardial infarction complicated by cardiogenic shock) from the onset of symptoms. -~Exclusion Criteria:Patients in chronic peritoneal or hemodialytic treatment and those with known allergy to N-acetylcysteine.~-

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 90 Years
- Healthy Volunteers: f

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