May 8, 2026 · JAMA · DOI: 10.1001/jama.2026.5245

Intravenous Tirofiban After Tenecteplase in Acute Ischemic Stroke: The INSTANT Randomized Clinical Trial

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The INSTANT trial aimed to evaluate the efficacy and safety of intravenous tirofiban in patients with acute ischemic stroke who did not respond adequately to intravenous tenecteplase and lacked large or medium vessel occlusions or cardioembolic sources. The results indicated that adjunctive tirofiban significantly improved the likelihood of achieving an excellent outcome at 90 days compared to placebo, with a low incidence of symptomatic intracranial hemorrhage and mortality.

INSTANT Trial Authors for the INSTANT Investigators, Xianghong Liu, Fan Zhang, Cong Zhang, Zongliang Li, Guangxiong Yuan, Deyan Kong, Shuhua Xie, Min Zhou, Jinchun Ye, Zhaohui Lai, Dan Li, Hailong Xu, Lei Chen, Fangqun Cheng, Yan Shi, Bin Chen, Weihua Hu, Huashi Liu, Yi Yin, Xinbo Deng, Zhiyong Xie, Chunying Li, Junfeng Shi, Donghuan Mei, Bin Liu, Bo Wang, Ruize Zhou, Jingjing Liu, Limin Shen, Hairong Hu, Genxiang Xiao, Xiaoyu Guan, Shanggui Yuan, Xunwei Lv, Shuiping Liang, Xiang Zeng, Yi Chen, Wenfeng Cao, Chong Zheng, Yuanlu Liu, Junda Li, Baozhu Guan, Tianmin Lai, Wei Sun, Hongliang Zeng, Jian Zhang, Shizhan Li, Hongfei Sang, Yamei Tang, Duolao Wang, Mengjie Lu, Johannes Kaesmacher, Vignan Yogendrakumar, Suyue Pan, Raul G Nogueira, Daojun Hong, Mayank Goyal, Götz Thomalla, Thanh N Nguyen, Jeffrey L Saver, Qingwu Yang, Zhongming Qiu, Guoyong Zeng

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