Please assess the completion status of the following clinical trial:

Trial Title: Open-label Extension Study of AbobotulinumtoxinA (Dysport®) for the Treatment of Cervical Dystonia

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Subjects enrolled in the Y-47-52120-051 study, who have completed all study visits up to Week 12, or up to Week 4 in the event of an early withdrawal~* Returned to pre-treatment status as judged by the Investigator~Exclusion Criteria:~* Pure anterocollis or pure retrocollis~* Known antibodies to botulinum toxin type A~* Requirement for botulinum toxin injections to site(s) other than the neck and unable to avoid such treatment for the duration of the study~* Known significant underlying swallowing or respiratory abnormality which might be exacerbated by botulinum toxin treatment

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

Study Arms:
- Dysport (Type: EXPERIMENTAL): 250-1000 units

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