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Intra-arterial Selective Hypothermic Magnesium Sulfate Infusion in Combination With Endovascular Thrombectomy in Acute Ischemic Stroke
Sponsor: Capital Medical University
Summary
The primary objective of this study is to estimate the safety and effectiveness of selective intra-arterial hypothermic magnesium sulfate infusion after endovascular thrombectomy in patients with acute ischemic stroke
Official title: Selective Intra-arterial Hypothermic Magnesium Sulfate Infusion in Combination With Endovascular Thrombectomy in Acute Ischemic Stroke: A Phase 1/2 Randomized Clinical Trial
Key Details
Gender
All
Age Range
18 Years - 80 Years
Study Type
INTERVENTIONAL
Enrollment
42
Start Date
2025-09-15
Completion Date
2027-03-30
Last Updated
2025-09-25
Healthy Volunteers
No
Conditions
Interventions
Endovascular thrombectomy combination with selective intra-arterial hypothermic magnesium sulfate infusion (350 ml).
According to patient's weight, magnesium sulfate (MgSO4) will be diluted to 350 ml 4°C saline solution (0.6μmol/kg/ml). During the thrombectomy procedure, a micro-catheter will be advanced until it reaches beyond the clot responsible for the ischemic symptoms, then cold 50 ml MgSO4 solution will be infused into the ischemic territory at 10 ml/min through the micro-catheter. After that, thrombectomy with a stent retriever will be performed to recanalize the occluded vessel as soon as possible. Immediately after successful thrombectomy, cold MgSO4 solution will be re-infused into the ischemic brain tissue through the catheter at a rate of 30 ml/min for 10 min.
Endovascular thrombectomy combination with selective intra-arterial hypothermic magnesium sulfate infusion (500 ml).
According to patient's weight, magnesium sulfate (MgSO4) will be diluted to 500 ml 4°C saline solution (0.6μmol/kg/ml). During the thrombectomy procedure, a micro-catheter will be advanced until it reaches beyond the clot responsible for the ischemic symptoms, then cold 50 ml MgSO4 solution will be infused into the ischemic territory at 10 ml/min through the micro-catheter. After that, thrombectomy with a stent retriever will be performed to recanalize the occluded vessel as soon as possible. Immediately after successful thrombectomy, cold MgSO4 solution will be re-infused into the ischemic brain tissue through the catheter at a rate of 30 ml/min for 10 min. Then pause for 5 min, followed by another 5 min of infusion at the original rate.
Endovascular thrombectomy combination with selective intra-arterial hypothermic magnesium sulfate infusion (650 ml).
According to patient's weight, magnesium sulfate (MgSO4) will be diluted to 650 ml 4°C saline solution (0.6μmol/kg/ml). During the thrombectomy procedure, a micro-catheter will be advanced until it reaches beyond the clot responsible for the ischemic symptoms, then cold 50 ml MgSO4 solution will be infused into the ischemic territory at 10 ml/min through the micro-catheter. After that, thrombectomy with a stent retriever will be performed to recanalize the occluded vessel as soon as possible. Immediately after successful thrombectomy, cold MgSO4 solution will be re-infused into the ischemic brain tissue through the catheter at a rate of 30 ml/min for 10 min. Then pause for 5 min, followed by intermittent infusion at the original rate for another 5 min twice. The interval between two times is also 5 min.
Locations (1)
Affiliated Hospital of Xuzhou Medical University
Xuzhou, Jiangsu, China