Please assess the completion status of the following clinical trial:

Trial Title: Study on the Effect of Influenza Vaccination After Heart Attack on Future Cardiovascular Prognosis

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:~* Patients with a diagnosis of ST-elevation myocardial infarction (STEMI) or~* Patients with a diagnosis of non-STEMI or~* Patients with stable coronary artery disease ≥75 years of age undergoing angiography/PCI AND with at least one additional risk criterion~and~* A finalized coronary angiography/PCI (optional for sites in Bangladesh).~* Male or female subjects ≥18 years.~* Written informed consent.~Exclusion Criteria:~* Influenza vaccination during the current influenza season or anticipating to be vaccinated during the current influenza season.~* Indication for influenza vaccination for some indication other than myocardial infarction.~* Severe allergy to eggs or previous allergic reaction to influence vaccine.~* Suspicion of febrile illness or acute, ongoing infection.~* Hypersensitivity to the active substances or ingredients of Vaxigrip or against any residues, such as eggs (ovalbumin or chicken proteins), neomycin, formaldehyde and octoxinol.~* Subjects with endogenic or iatrogenic immunosuppression that may result in reduced immunization response.~* Inability to provide informed consent.~* Age below 18 years.~* Previous randomization in the IAMI trial.

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

Study Arms:
- Drug: influenza vaccine (Type: EXPERIMENTAL): Standard influenza vaccine administered as a deep subcutaneous injection at one occasion per subject.
- Drug: placebo (Type: PLACEBO_COMPARATOR): Saline administered as a deep subcutaneous injection at one occasion per subject.

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