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Tytuł pozycji:

MR CLEAN-NO IV: intravenous treatment followed by endovascular treatment versus direct endovascular treatment for acute ischemic stroke caused by a proximal intracranial occlusion-study protocol for a randomized clinical trial.

Tytuł :
MR CLEAN-NO IV: intravenous treatment followed by endovascular treatment versus direct endovascular treatment for acute ischemic stroke caused by a proximal intracranial occlusion-study protocol for a randomized clinical trial.
Autorzy :
Treurniet, Kilian M.
LeCouffe, Natalie E.
Kappelhof, Manon
Emmer, Bart J.
van Es, Adriaan C. G. M.
Boiten, Jelis
Lycklama, Geert J.
Keizer, Koos
Yo, Lonneke S. F.
Lingsma, Hester F.
van Zwam, Wim H.
de Ridder, Inger
van Oostenbrugge, Robert J.
van der Lugt, Aad
Dippel, Diederik W. J.
Coutinho, Jonathan M.
Roos, Yvo B. W. E. M.
Majoie, Charles B. L. M.
MR CLEAN-NO IV Investigators
Pokaż więcej
Temat :
RESEARCH protocols
ENDOVASCULAR surgery
ISCHEMIC preconditioning
OCCLUSION (Chemistry)
DRUG efficacy
ISCHEMIC stroke
CLINICAL trials
Źródło :
Trials; 2/15/2021, Vol. 22 Issue 1, p1-15, 15p, 1 Color Photograph, 3 Diagrams, 2 Charts
Przedsiębiorstwo/ jednostka :
NATIONAL Institutes of Health (U.S.)
Czasopismo naukowe
Background: Endovascular treatment (EVT) has greatly improved the prognosis of acute ischemic stroke (AIS) patients with a proximal intracranial large vessel occlusion (LVO) of the anterior circulation. Currently, there is clinical equipoise concerning the added benefit of intravenous alteplase administration (IVT) prior to EVT. The aim of this study is to assess the efficacy and safety of omitting IVT before EVT in patients with AIS caused by an anterior circulation LVO.Methods: MR CLEAN-NO IV is a multicenter randomized open-label clinical trial with blinded outcome assessment (PROBE design). Patients ≥ 18 years of age with a pre-stroke mRS < 3 with an LVO confirmed on CT angiography/MR angiography eligible for both IVT and EVT are randomized to receive either IVT (0.9 mg/kg) followed by EVT, or direct EVT in a 1:1 ratio. The primary objective is to assess superiority of direct EVT. Secondarily, non-inferiority of direct EVT compared to IVT before EVT will be explored. The primary outcome is the score on the modified Rankin Scale at 90 days. Ordinal regression with adjustment for prognostic variables will be used to estimate treatment effect. Secondary outcomes include reperfusion graded with the eTICI scale after EVT and stroke severity (National Institutes of Health Stroke Scale) at 24 h. Safety outcomes include intracranial hemorrhages scored according to the Heidelberg criteria. A total of 540 patients will be included.Discussion: IVT prior to EVT might facilitate early reperfusion before EVT or improved reperfusion rates during EVT. Conversely, among other potential adverse effects, the increased risk of bleeding could nullify the beneficial effects of IVT. MR CLEAN-NO IV will provide insight into whether IVT is still of added value in patients eligible for EVT.Trial Registration: www.isrctn.com : ISRCTN80619088 . Registered on 31 October 2017. [ABSTRACT FROM AUTHOR]
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