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Intra-arterial tenecteplase following endovascular therapy in patients with acute posterior circulation arterial occlusion: study protocol and rationale.
Journal of Neurointerventional Surgery 2023 December 15
BACKGROUND: Recently, a randomized controlled trial showed a beneficial effect of intra-arterial thrombolysis following successful endovascular thrombectomy (EVT) in patients with acute ischemic stroke due to large vessel occlusion in the anterior circulation. Due to differences in response to thrombolytics in occlusion of the posterior circulation, the purpose of ATTENTION IA is to explore the adjunct benefit of intra-arterial thrombolysis after successful recanalization in patients presenting with large and medium vessel occlusion of the posterior circulation.
METHODS: ATTENTION-IA is an investigator-initiated, multicenter, prospective, randomized clinical trial with open-label treatment and blinded endpoint assessment (PROBE). After achieving successful recanalization (expanded Thrombolysis In Cerebral Infarction (eTICI) 2b-3) of an occlusion of the vertebral, basilar, or posterior cerebral artery, patients will be randomized 1:1 to receive intra-arterial tenecteplase or standard of care. The primary effect parameter is a modified Rankin Score of 0-1 at day 90.
RESULTS: The trial recently completed enrollment, and data collection/verification is ongoing. The final results will be made available on completion of enrollment and follow-up.
CONCLUSIONS: ATTENTION-IA will provide definitive evidence for the efficacy and safety of adjunct intra-arterial tenecteplase after successful EVT in patients with an acute posterior circulation arterial occlusion stroke presenting within 24 hours of symptom onset.
TRIAL REGISTRATION: ClinicalTrials.gov NCT05684172.
METHODS: ATTENTION-IA is an investigator-initiated, multicenter, prospective, randomized clinical trial with open-label treatment and blinded endpoint assessment (PROBE). After achieving successful recanalization (expanded Thrombolysis In Cerebral Infarction (eTICI) 2b-3) of an occlusion of the vertebral, basilar, or posterior cerebral artery, patients will be randomized 1:1 to receive intra-arterial tenecteplase or standard of care. The primary effect parameter is a modified Rankin Score of 0-1 at day 90.
RESULTS: The trial recently completed enrollment, and data collection/verification is ongoing. The final results will be made available on completion of enrollment and follow-up.
CONCLUSIONS: ATTENTION-IA will provide definitive evidence for the efficacy and safety of adjunct intra-arterial tenecteplase after successful EVT in patients with an acute posterior circulation arterial occlusion stroke presenting within 24 hours of symptom onset.
TRIAL REGISTRATION: ClinicalTrials.gov NCT05684172.
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