Intra-Arterial Tenecteplase to Improve the Microvascular Hemodynamics After Mechanical Thrombectomy

About this study

This is a prospective, single-arm, open-label study to evaluate the efficacy of intra-arterial tenecteplase in improving microvascular reperfusion following successful large vessel recanalization. Acute ischemic stroke patients with large anterior circulation large vessel occlusion will receive a single weight-based dose of intra-arterial tenecteplase after achieving successful large vessel recanalization (defined as TICI ≥ 2b) via standard of care mechanical thrombectomy. Microvascular flow will be assessed by quantitative angiography before and after the intra-arterial drug administration in order to quantify the impact of targeted thrombolysis on microvascular reperfusion. Reperfusion will be secondarily assessed with 24-hour imaging, final infarct volume will be quantified 72 hours following treatment, and functional outcome will be assessed in the short-term by the NIHSS and in the long-term by the 90-day modified Rankin Scale.

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