Intravenous thrombolysis for acute ischemic stroke in the extended time window of 4.5–24 h: a systematic review and network meta-analysis of randomized controlled trials - Takeaways - MDSpire

Intravenous thrombolysis for acute ischemic stroke in the extended time window of 4.5–24 h: a systematic review and network meta-analysis of randomized controlled trials

  • By

  • Xiaoqi Yu

  • Xiuye Sun

  • Fang Yang

  • May 29, 2026

  • 0 min

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  • 1

    This systematic review evaluates the efficacy and safety of intravenous thrombolytic agents for acute ischemic stroke within 4.5 to 24 hours of symptom onset.

  • 2

    Ten randomized controlled trials involving 2,409 patients were included, comparing alteplase, tenecteplase, JX10, standard of care, and placebo.

  • 3

    Alteplase significantly improved functional independence at 90 days compared to standard care, while JX10 and tenecteplase showed trends without statistical significance.

  • 4

    Alteplase was associated with a higher risk of symptomatic intracranial hemorrhage compared to standard care, while JX10 had the highest bleeding risk.

  • 5

    The evidence quality was predominantly low to very low, highlighting the need for larger, rigorously designed trials to better assess thrombolytic therapy efficacy.

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