Please assess the completion status of the following clinical trial:

Trial Title: Efficacy and Safety, Long-term Study of Zinc Acetate to Treat Wilson's Disease in Japan.

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:~* Wilson's disease(adult, infant, pregnant woman)~Exclusion Criteria:~* Acute hepatitis~* Malignant tumor

- Gender: ALL
- Minimum Age: 1 Year
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- NPC-02 (Type: EXPERIMENTAL): zinc acetate

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