Currently, both intravenous thrombolysis (IVT) followed by endovascular treatment (EVT) and EVT alone are widely used for the treatment of acute ischemic stroke (AIS) caused by basilar artery occlusion (BAO) (AIS-BAO), but no direct comparison of their efficacy and safety was reported. Only a limited number of cohort and registry studies have preliminarily compared the two strategies in the treatment of AIS-BAO, with results generally indicating that IVT followed by EVT was slightly superior to EVT alone. However, these findings are generally limited by small sample sizes, heterogeneous inclusion and exclusion criteria, different endpoint definitions, and distinct study designs, leading to inconsistent conclusions. Therefore, this study plans to conduct a multicentre, prospective, open-label, blinded endpoint evaluation, randomized controlled trial comparing the efficacy and safety of IVT followed by EVT and EVT alone in the treatment of patients with AIS-BAO who are eligible for both treatment strategies within 4.5 hours of symptom onset. This study intends to include patients with AIS due to BAO fulfilling the following inclusion criteria: patients with AIS caused by BAO confirmed by CTA/MRA/DSA; IVT can be started within 4.5 hours after symptoms onset; Age ā„ 18 years old; NIHSS score ā„ 6. The primary endpoint of the study is the proportion of patients achieving mRS ā¤ 2 at 90Ā±14 days after stroke onset.
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Proportion of patients achieving mRS ā¤ 2.
Timeframe: At 90Ā±14 days after stroke onset.