Safety and efficacy of tenecteplase versus alteplase in stroke patients with carotid tandem lesions: Results from the AcT trial

Author:

Bala Fouzi12ORCID,Almekhlafi Mohammed1,Singh Nishita13ORCID,Alhabli Ibrahim1,Ademola Ayoola1ORCID,Coutts Shelagh B1ORCID,Deschaintre Yan4,Khosravani Houman5,Appireddy Ramana6,Moreau Francois7,Phillips Stephen8,Gubitz Gord8,Tkach Aleksander9,Catanese Luciana10ORCID,Dowlatshahi Dar11ORCID,Medvedev George1213,Mandzia Jennifer14,Pikula Aleksandra15,Shankar Jay16ORCID,Williams Heather17,Field Thalia S18ORCID,Manosalva Alejandro19ORCID,Siddiqui Muzaffar20,Zafar Atif21,Imoukhoude Oje22,Hunter Gary23,Benali Faysal1,Horn MacKenzie1,Hill Michael D1ORCID,Shamy Michel11ORCID,Sajobi Tolulope T1,Buck Brian H24,Swartz Richard H5ORCID,Menon Bijoy K1,Poppe Alexandre Y4ORCID

Affiliation:

1. Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada

2. Diagnostic and Interventional Neuroradiology Department, University Hospital of Tours, Tours, France

3. Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada

4. Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, QC, Canada

5. Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada

6. Division of Neurology, Department of Medicine, Queen’s University, Kingston, ON, Canada

7. Université de Sherbrooke, Sherbrooke, QC, Canada

8. Queen Elizabeth II Health Sciences Centre, Halifax, NS, Canada

9. Kelowna General Hospital, Kelowna, BC, Canada

10. Hamilton Health Sciences, McMaster University, Hamilton, ON, Canada

11. Department of Medicine, University of Ottawa, Ottawa, ON, Canada

12. The University of British Columbia, Vancouver, BC, Canada

13. Fraser Health Authority, New Westminster, BC, Canada

14. London Health Sciences Centre, Western University, London, ON, Canada

15. Toronto Western Hospital, University of Toronto, Toronto, ON, Canada

16. University of Manitoba, Winnipeg, MB, Canada

17. Queen Elizabeth Hospital, Charlottetown, PEI, Canada

18. Vancouver Stroke Program, Division of Neurology, The University of British Columbia, Vancouver, BC, Canada

19. Medicine Hat Regional Hospital, Medicine Hat, AB, Canada

20. Grey Nuns Community Hospital, Edmonton, AB, Canada

21. St. Michael’s Hospital, Toronto, ON, Canada

22. Red Deer Regional Hospital Centre, Red Deer, AB, Canada

23. University of Saskatchewan, Saskatoon, SK, Canada

24. Division of Neurology, Department of Medicine, University of Alberta, Edmonton, AB, Canada

Abstract

Background: Carotid tandem lesions ((TL) ⩾70% stenosis or occlusion) account for 15–20% of acute stroke with large vessel occlusion. Aims: We investigated the safety and efficacy of intravenous tenecteplase (0.25 mg/kg) versus intravenous alteplase (0.9 mg/kg) in patients with carotid TL. Methods: This is a substudy of the alteplase compared with the tenecteplase trial. Patients with ⩾70% stenosis of the extracranial internal carotid artery (ICA) and concomitant occlusion of the intracranial ICA, M1 or M2 segments of the middle cerebral artery on baseline computed tomography angiography (CTA) were included. Primary outcome was 90-day-modified Rankin Scale (mRS) 0–1. Secondary outcomes were mRS 0–2, mortality, and symptomatic ICH (sICH). Angiographic outcomes were successful recanalization (revised Arterial Occlusive Lesion (rAOL) 2b–3) on first and successful reperfusion (eTICI 2b–3) on final angiographic acquisitions. Multivariable mixed-effects logistic regression was performed. Results: Among 1577 alteplase versus tenecteplase randomized controlled trial (AcT) patients, 128 (18.8%) had carotid TL. Of these, 93 (72.7%) underwent intravenous thrombolysis plus endovascular thrombectomy (IVT + EVT), while 35 (27.3%) were treated with IVT alone. In the IVT + EVT group, tenecteplase was associated with higher odds of 90-day-mRS 0–1 (46.0% vs. 32.6%, adjusted OR (aOR) 3.21; 95% CI = 1.06–9.71) compared with alteplase. No statistically significant differences in rates of mRS 0–2 (aOR 1.53; 95% CI = 0.51–4.55), initial rAOL 2b–3 (16.3% vs. 28.6%), final eTICI 2b–3 (83.7% vs. 85.7%), and mortality (18.0% vs. 16.3%) were found. SICH only occurred in one patient. There were no differences in outcomes between thrombolytic agents in the IVT-only group. Conclusion: In patients with carotid TL treated with EVT, intravenous tenecteplase may be associated with similar or better clinical outcomes, similar angiographic reperfusion rates, and safety outcomes as compared with alteplase.

Publisher

SAGE Publications

Subject

Neurology,Neurology (clinical)

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