RecruitingPhase 3ProcedureProximal Internal Carotid Artery Acute Stroke Secondary to Tandem or Local Occlusion Thrombectomy TrialThe 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).