Please assess the completion status of the following clinical trial:

Trial Title: High Intensity Focused Ultrasound (HIFU) for Parathyroid Adenoma

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

Eligibility Criteria:
Inclusion Criteria:~* Primary Hyperparathyroidism (PHPT)~* Moderate/severe hypercalcaemia (Ca\>2.8mmol/L)~* Positive sestamibi scan demonstrating a cervical parathyroid adenoma~* Adenoma visible on ultrasound scan~Exclusion Criteria:~* Large adenoma (\>15mm)~* Deep adenoma (\>20mm from skin surface~* Familial disease (eg members of MEN-1 families)~* Inability to complete questionnaires in English without making mistakes or needing help with translation

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

Study Arms:
- HIFU Treatment (Type: OTHER): High Intensity Focused Ultrasound. This is not a comparative study

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