Abstract
Introduction
Endovascular treatment of large, wide-necked intracranial aneurysms with coils is associated with low rates of initial angiographic occlusion and high rates of recurrence. The Pipeline™ Embolization Device has shown high rates of complete occlusion in uncontrolled clinical series.
Methods
The study is a prospective, controlled, randomized, multicenter, phase 2 open-label trial. Intention-to-treat population includes age ≥18, unruptured saccular aneurysm located in the intra-dural area, neck diameter ≥4 and ≤10 mm, sac diameter ≥7 mm and ≤20 mm, “dome/neck” ratio is ≥1, diameter of the parent artery ≥2 mm and ≤5 mm, and no prior treatment of the aneurysm. Site can only participate if five patients have been previously treated with the Pipeline device. The primary end point of the study is complete occlusion of the aneurysm on angiogram performed 12 months after the endovascular procedure. Complete aneurysm occlusion is defined as the absence of visible blood flow, grade 1 according to the Raymond scale for the standard procedure group and grade 4 according to the grading scale of Kamran for the flow diverter group.
Results
The trial is currently enrolling and results of the data are pending the completion of enrollment and follow-up.
Conclusion
This paper details the trial design of the French EVIDENCE phase 2 trial, a blinded, controlled randomized trial of wide-neck intra-dural aneurysms amenable to either traditional endovascular strategy or flow diversion with Pipeline device.
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Ethical standards and patient consent
We declare that all human and animal studies have been approved by the Comité de Protection des Personnes SUD-EST IV (12/060) and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. We declare that all patients gave informed consent prior to inclusion in this study.
Conflict of interest
FT consults for Balt, Covidien and Codman. AB consults for Covidien, Stryker Neurovascular and Codman.
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Francis Turjman, MD, PhD (Hospices Civils de Lyon, Hôpital Pierre Wertheimer); Nader Sourour, MD (APHP, Hôpital la Pitié Salpetrière); Jacques Moret, MD, Laurent Spelle, MD, PhD, Jildaz Caroff, MD, Léon Ikka, MD (APHP, Hôpital Beaujon); Alessandra Biondi, MD, PhD (CHU Besançon); Xavier Barreau, MD, Jerome Berge, MD (CHU Bordeaux); Patrick Courtheoux, MD (CHU Caen); Frédéric Ricolfi, MD, PhD (CHU Dijon); Charbel Mounayer, MD, PhD (CHU Limoges); Hervé Brunel, MD (CHU Marseille); Olivier Levrier, MD, PhD (Hôpital privé Clairval); Alain Bonafé, MD, PhD (CHU Montpellier); Serge Bracard, MD, PhD (CHU Nancy); Hubert Desal, MD, PhD (CHU Nantes); Stéphane Velasco, MD, Samy Boucebci, MD, Thomas Rocher, MD (CHU Poitiers); Laurent Pierot, MD, PhD (CHU Reims); Jean-Yves Gauvrit, MD, PhD (CHU Rennes); Rémy Beaujeux, MD (CHU Strasbourg); Christophe Cognard, MD, PhD, Anne-Christine Januel, MD (CHU toulouse); Denis Herbreteau, MD (CHU Tours); Michel Piotin, MD, PhD (Fondation Rothschild)
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Turjman, F., Levrier, O., Combaz, X. et al. EVIDENCE Trial: design of a phase 2, randomized, controlled, multicenter study comparing flow diversion and traditional endovascular strategy in unruptured saccular wide-necked intracranial aneurysms. Neuroradiology 57, 49–54 (2015). https://doi.org/10.1007/s00234-014-1439-7
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DOI: https://doi.org/10.1007/s00234-014-1439-7