Please assess the completion status of the following clinical trial:

Trial Title: Influenza Vaccination and Oral Anticoagulant Therapy

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

Eligibility Criteria:
Inclusion Criteria:~* OA Treatment~* Stable anticoagulation (previous two controls in range)~* Presence of indication for Influenza Vaccination~* Life expectancy \> 6 months~* Signed Informed consent~Exclusion Criteria:~* Absence of stable anticoagulation~* Absence of indication for Influenza Vaccination~* Life expectancy \< 6 months~* Denied Informed Consent

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

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