Please assess the completion status of the following clinical trial:

Trial Title: Endovascular Magnesium Sampling in Acute Stroke

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

Eligibility Criteria:
Inclusion Criteria:~1. Patient with acute cerebral ischemia due to ICA or MCA occlusion,~2. Patient already enrolled in the NIH FAST-MAG clinical trial,~3. Patient's clinical attending physician plans mechanical embolectomy procedure as part of routine clinical care.~4. Age 40-95 inclusive (age criteria for FAST-MAG Trial).~Exclusion Criteria:~1. Technical inability to navigate microcatheter to target clot.~2. Patient or surrogate unavailable for consent

- Gender: ALL
- Minimum Age: 40 Years
- Maximum Age: 95 Years
- Healthy Volunteers: f

Study Arms:
- Endovascular Sampling (Type: EXPERIMENTAL): Paired sampling from the distal arterial(endovascular catheter) and peripheral venous (femoral sheath) locations in acute stroke patients undergoing endovascular recanalization who received intravenous Magnesium Sulfate as a part of the FAST-MAG study

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