Acute Ischemic Stroke Clinical Trial
Official title:
Proximal Internal Carotid Artery Acute Stroke Secondary to Tandem or Local Occlusion Thrombectomy Trial
The primary objective is to establish the efficacy of intra-arterial (IA) mechanical thrombectomy (MT) with extracranial proximal carotid artery acute stenting versus non-stenting approaches in patients with acute ischemic stroke (AIS) from intracranial vessel occlusion (IVO) in the anterior circulation and have a proximal carotid occlusive disease (occlusion or severe stenosis).
Independent Investigator-initiated, designed and conducted non-industry study. A prospective, phase III, randomized, open-label, blinded-endpoint controlled trial (PROBE Design). Patients presenting with symptoms of AIS in the anterior circulation with proximal carotid occlusion or severe stenosis will be assigned to either: ARM1 (Control): Non-stenting group constitutes best medical management (BMM)+intra-arterial treatment (IAT) with mechanical thrombectomy (for IVO) added to extra-cranial proximal carotid occlusion treatment with non-stenting approach (MT+CAT) VERSUS ARM2 (Intervention): Acute carotid stenting (ACS) approach constitutes BMM+IAT with acute carotid stenting (ACS) of the extracranial proximal carotid artery, spanning the cervical internal carotid artery (ICA), ICA origin, and the distal common carotid artery (CCA, across the bifurcation) as in the example of left (L) carotid stenting figure below (MT+CAS) Randomization will be 1:1 Mechanical thrombectomy and proximal angioplasty or stenting will be performed with an FDA-cleared devices in accordance with the instructions for use (IFU). The order of each procedure (revascularization of the proximal extra-cranial carotid lesion first or after the intracranial lesion) will be left at discretion of the treating proceduralist. Each treated patient will be followed and assessed for the primary outcome at 3 months and one year after randomization by an independent adjudicator not involved in the procedure. Optional utilization of remote assessment of NIHSS, mRS scale may be provided to selected site ;
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