Please assess the completion status of the following clinical trial:

Trial Title: Anticoagulant Treatments and Percutaneous Coronary Angioplasty

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* stable angina pectoris or silent ischaemia~Exclusion Criteria:~* instable angina or ACS (Acute Coronary Syndrome)

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

Study Arms:
- 1 (Type: EXPERIMENTAL): group without anticoagulant therapy
- 2 (Type: ACTIVE_COMPARATOR): group with heparin
- 3 (Type: ACTIVE_COMPARATOR): group with enoxaparin
- 4 (Type: ACTIVE_COMPARATOR): group with bivalirudin

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