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Introduction: Femoral artery is the most used access for mechanical thrombectomy (MT) in stroke patients with a large vessel occlusion. Routine radial access has been proposed as an alternative following cardiology guidelines although its safety and efficacy remain controversial.

Hypothesis: Radial access for MT is non-inferior to femoral access in terms of final recanalization.

Methods: The study was an investigator-initiated, single-center, evaluator-blinded randomized clinical trial. Stroke patients undergoing MT, with femoral artery patency and radial artery diameter ≥2.5mm were randomly assigned (1:1) to either radial (60 patients) or femoral access (60 patients). The primary binary outcome was successful recanalization (final eTICI score 2b-3) assigned by blinded evaluators. In the per protocol analysis, patients with allocated access failure were considered non-recanalized. We established a non-inferiority …