Acute Stroke Clinical Trial
Official title:
Intra-arterial Magnesium Therapy: A Novel Platorm for Neuroprotectant Delivery in Acute Stroke
Stroke is the second leading cause of death and the leading cause of adult disability worldwide. This investigation will address the safety and feasibility of directed, intra-arterial Magnesium measurement and therapy, through endovascular access, in acute stroke patients. The proposal represents the first study to directly quantify levels of a systemically administered neuroprotectant in the region of cerebral ischemia. It also establishes a novel endovascular platform for direct delivery of neuroprotective agents to ischemic cerebral tissue distal to an occlusive thrombus. This research seeks to improve patient care by establishing a novel delivery mechanism for the rescue of threatened brain parenchyma that can be administered rapidly following acute stroke. If successful, this selective distribution will allow delivery to "at risk" tissue in a rapid manner. Salvage of viable, but threatened, penumbral tissue could afford stroke patients an increased probability of favorable long term outcome. The investigators hypothesize that endovascular, intra-arterial, Magnesium administration will deliver high concentration of this neuroprotective agent to otherwise inaccessible cerebral territories, while limiting systemic concentrations. The proposed investigation will evaluate the safety and feasibility of this novel treatment technique
Status | Completed |
Enrollment | 4 |
Est. completion date | May 2016 |
Est. primary completion date | May 2016 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 21 Years to 95 Years |
Eligibility |
Inclusion Criteria: 1. Patient with acute cerebral ischemia due to ICA or MCA occlusion, 2. Patient's clinical attending physician plans mechanical embolectomy procedure as part of routine clinical care. 3. Age 21-95. Exclusion Criteria: 1. Severe renal impairment with creatinine 3.0 or higher, 2. Myasthenia gravis, 3. Second or third degree heart block without a pacemaker in place, 4. Technical inability to navigate microcatheter to target clot, 5. Patient already enrolled in another experimental treatment trial. Exclusion criteria 1-3 are all contraindications to magnesium therapy. |
Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United States | University California Los Angeles: Ronald Reagan and Santa Monica Hospitals | Los Angeles | California |
United States | University of Southern California University and LA County Hospitals | Los Angeles | California |
Lead Sponsor | Collaborator |
---|---|
University of Southern California | University of California, Los Angeles |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Magnesium concentration in region of cerebral ischemia | Systemic Magnesium levels will be obtained through the femoral sheath at the beginning (baseline) and end (post-treatment) of each case. Magnesium levels distal to the occlusion will be measured at the first pass of the clot retrieving device. | following fist pass of the clot retriever (average 1 minute after Mg administration) | No |
Secondary | Procedure related serious adverse event | Periprocedural clinical, radiographic and laboratory data will be collected and analyzed to detect Mg related adverse events. Outcome will be assessed perioperatively and at 24 hours, 30 days (+/- 10 days) and 90 days (+/- 15 days) | intraprocedure, postoperative day 1, 1 month, 3 month | Yes |
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