Abstract TP143: Endovascular Treatment With Versus Without Tirofiban For Stroke Patients With Large Vessel Occlusion: The Multicenter, Randomized, Placebo-controlled, Double-blind RESCUE BT Clinical Trial

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Background: As a glycoprotein IIb/IIIa receptor inhibitor, tirofiban may help reduce the risk of vascular complications during percutaneous transluminal coronary intervention. However, evidence on whether tirofiban improve the outcomes of stroke patients with large vessel occlusion who are receiving endovascular treatment is limited. Objective: This trial aims to assess whether additional intravenous tirofiban therapy can improve the clinical outcomes of stroke patients with large vessel occlusion who undergo endovascular treatment within 24 hours of symptom onset. Methods and Design: The Endovascular Treatment With versus Without Tirofiban for Stroke Patients With Large Vessel Occlusion (RESCUE BT) Trial is an investigator-initiated, randomized, placebo-controlled, double-blind, multicenter trial. Up to 930 eligible patients will be consecutively randomized to tirofiban or control group in 1:1 ratio over three years from approximate 50 endovascular-capable stroke centers in China. Outcomes: The primary end-point is the disability level measured by overall distribution of the 90-day modified Rankin Scale score. The primary safety end-points are symptomatic intracerebral hemorrhage at 48 hours and mortality at 90 days. Trial status: The trial screening and enrollment began on 10 October, 2018, and now the randomization is still ongoing. We expect that the enrollment will be end in October 2021, and the trial results will be revealed in February 2022. Trial registry number: ChiCTR-INR-17014167 ( www.chictr.org.cn ).

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