Post-thrombectomy Intra-arterial Tenecteplase for Acute manaGement of Non-retrievable Thrombus and No-reflow in Emergent Stroke
Trial Parameters
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Brief Summary
Multicentre, prospective, Multi-arm Multi-stage (MAMS) seamless phase 2b/3 interventional randomized placebo-controlled double-blinded parallel-assignment (2 arms with 1:1 randomization) efficacy and safety trial to test intra-arterial tenecteplase at the completion of thrombectomy versus best practice in participants with anterior circulation LVO receiving mechanical thrombectomy within 24 hours of symptoms onset.
Eligibility Criteria
Inclusion Criteria: * Adult participants (age≥18 years) presenting with ischemic stroke with arterial LVO on CT/MR Angiogram of the intracranial internal carotid or middle cerebral artery (MCA) first segment (M1) or proximal second segment (M2) committed to thrombectomy using standard criteria within 24 hours of onset: * For 0-6 hours of symptom onset: Presence of arterial occlusion as defined above and ASPECTS≥3 on NCCT * For 6-24 hours of symptom onset: Additional imaging criteria on CTP or MRI perfusion of core volume \<100ml. * Qualifying CT/MR within 4hrs of randomisation (repeat CT for transferred participants required if \>4hr) * Pre-stroke Modified Rankin Scale (mRS) score of ≤2 (mild pre-existing disability permitted) * Local legal requirements for consent have been satisfied. Exclusion Criteria: * Intracranial hemorrhage identified by CT or MRI * ASPECTS 0-2 on NCCT * CTP or MRI perfusion ischemic core volume \>100ml if presenting within 6-24 hours from symptoms onset * Antic