Please assess the completion status of the following clinical trial:

Trial Title: Mechanisms of Stroke in Intracranial Stenosis

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Enrolled in the medical arm of SAMMPRIS, signed consent~Exclusion Criteria:~* For QMRA testing: contraindications to MRI; for TCD testing, abscence of ultrasonographic windows.

- Gender: ALL
- Minimum Age: 30 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

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