Please assess the completion status of the following clinical trial:

Trial Title: Conservative Versus Surgical Management of Idiopathic Normal Pressure Hydrocephalus (INPH)

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Idiopathic Normal pressure Hydrocephalus~Exclusion Criteria:~* Alzheimer disease~* Vascular dementia

- Gender: ALL
- Minimum Age: 40 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- open shunt (Type: ACTIVE_COMPARATOR): functioning shunt
- closed shunt (Type: ACTIVE_COMPARATOR): NON FUNCTIONING SHUNT

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