Please assess the completion status of the following clinical trial:

Trial Title: Prevention of Venous Thrombosis After Permanent Transvenous Leads Implantation

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: TRIPLE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* adults patients submitted to first transvenous implant of pacemakers, implantable cardioverter-defibrillator, or cardiac resynchronization therapy devices~* left ventricular ejection fraction ≤0.40 and/or~* previous transvenous temporary leads ipsilateral to the permanent device implant~Exclusion Criteria:~* history of venous thromboembolism~* atrial fibrillation~* coagulopathy or platelet disorder~* malignancy~* gastro-intestinal hemorrhage or active gastro-duodenal ulcer in the past 6 months~* abnormal prothrombin time (PT)or an international normalized ratio (INR) \>40%, or treated with oral anticoagulants

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

Study Arms:
- 1 (Type: PLACEBO_COMPARATOR): Single daily dose of Placebo during six months

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