GREAT - a randomized aneurysm trial: design of a randomized controlled multicenter study comparing HydroSoft/HydroFrame and bare platinum coils for endovascular aneurysm treatment
The effectiveness of a hybrid hydrogel platinum detachable coil (HydroCoil; MicroVention Inc., Tustin, CA) for endovascular aneurysm treatment has been proven in a recently published RCT. Due to technical restrictions (coil stiffness, time restriction for placement), the HydroSoft coil as well as a...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
28 February 2015
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| In: |
Neuroradiology
Year: 2015, Jahrgang: 57, Heft: 6, Pages: 599-604 |
| ISSN: | 1432-1920 |
| DOI: | 10.1007/s00234-015-1501-0 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1007/s00234-015-1501-0 Verlag, Volltext: https://link-springer-com.ezproxy.medma.uni-heidelberg.de/article/10.1007/s00234-015-1501-0 
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| Verfasserangaben: | Christian Taschner, René Chapot, Vincent Costalat, Patrick Courthéoux, Xavier Barreau, Jerome Berge, Laurent Pierot, Kryzsztof Kadziolka, Betty Jean, Raphael Blanc, Alessandra Biondi, Hervé Brunel, Sophie Gallas, Ansgar Berlis, Denis Herbreteau, Joachim Berkefeld, Christoph Groden, Horst Urbach, Samer El Shikh, Erika Graf, Alain Bonafé |
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| 245 | 1 | 0 | |a GREAT - a randomized aneurysm trial |b design of a randomized controlled multicenter study comparing HydroSoft/HydroFrame and bare platinum coils for endovascular aneurysm treatment |c Christian Taschner, René Chapot, Vincent Costalat, Patrick Courthéoux, Xavier Barreau, Jerome Berge, Laurent Pierot, Kryzsztof Kadziolka, Betty Jean, Raphael Blanc, Alessandra Biondi, Hervé Brunel, Sophie Gallas, Ansgar Berlis, Denis Herbreteau, Joachim Berkefeld, Christoph Groden, Horst Urbach, Samer El Shikh, Erika Graf, Alain Bonafé |
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| 520 | |a The effectiveness of a hybrid hydrogel platinum detachable coil (HydroCoil; MicroVention Inc., Tustin, CA) for endovascular aneurysm treatment has been proven in a recently published RCT. Due to technical restrictions (coil stiffness, time restriction for placement), the HydroSoft coil as well as a corresponding 3D framing coil, the HydroFrame coil (MicroVention Inc., Tustin, CA), a class of new softer coils containing less hydrogel and swelling more slowly than the HydroCoil, have been developed and brought to clinical practice. The present study aims to compare the effectiveness of endovascular aneurysm treatment with coil embolization between patients allocated HydroSoft/HydroFrame versus bare platinum coiling. GREAT is a randomized, controlled, multicentre trial in patients bearing cerebral aneurysms to be treated by coil embolization. Eligible patients were randomized to either coil embolization with HydroSoft/HydroFrame coils (>50 % of administered coil length), or bare platinum coils. Inclusion criteria were as follows: age 18-75, ruptured aneurysm (WFNS 1-3) and unruptured aneurysm with a diameter between 4 and 12 mm. Anatomy such that endovascular coil occlusion deemed possible and willingness of the neurointerventionalist to use either HydroSoft/HydroFrame or bare platinum coils. Exclusion criteria were as follows: aneurysms previously treated by coiling or clipping. Primary endpoint is a composite of major aneurysm recurrence on follow-up angiography and poor clinical outcome (modified Rankin scale 3 or higher), both assessed at 18 months post treatment. Risk differences for poor outcomes will be estimated in a modified intention-to-treat analysis stratified by rupture status. | ||
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