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Predictive Study of Serum Endocan for Hemorrhagic Transformation After Reperfusion Therapies in Acute Ischemic Stroke

Acute Ischemic Stroke Clinical Trial

Official title:
Predictive Study of Serum Endocan for Hemorrhagic Transformation After Reperfusion Therapies in Acute Ischemic Stroke

Clinical Trial Summary

Stroke is the second largest cause of death globally after ischemic heart disease.Of the total number of prevalent strokes, 84.4% are ischemic. Reperfusion therapy is the most important treatment for acute ischemic stroke (AIS) ,including intravenous thrombolysis and/or endovascular treatment.However,the most serious and common complication with reperfusion therapy is hemorrhage transformation(HT),which significantly increases disability and mortality. The fundamental mechanism leading to post-stroke HT is the disruption of the blood brain barrier(BBB) and increase of permeability.Endocan plays a critical role in vascular inflammatory responses by enhances the production of pro-inflammatory cytokines by endothelial cells,the expression of adhesion molecules such as inter-cellular adhesion molecule-1(ICAM-1) and vascular cell adhesion molecule-1(VCAM-1),and the adhesion of leukocytes to endothelial cells. Endocan significantly decreases levels of zonula occludens（ZO-1) and occludin which are tight junction proteins that play major roles in the maintenance of vascular barriers. Endocan could induce vascular endothelial growth factor-A(VEGF-A) and facilitate the binding of VEGF-A to its receptor(VEGFR-2) to enhanced endothelial permeability.Therefore,endocan is a reliable biomarker of endothelial dysfunction, which may be associated with disruption of the BBB. In this context, the investigators hypothesized that elevated pretreatment serum endocan levels might be independently associated with HT after reperfusion therapy in the acute phase of ischemic stroke. Serum endocan,ICAM-1,VCAM-1 and matrix metalloproteinase-9(MMP-9) levels will be determined by enzyme-linked immunosorbent assay(ELISA) in blood samples obtained at baseline (pretreatment) and at 12,24 hours after reperfusion therapy in patients with acute stroke and in healthy subjects.In the present study,the investigators attempt to investigate whether high levels of endocan are associated with HT in patients who received reperfusion therapy.In addition,the investigators explore the association between serum endocan and early neurological deterioration and unfavourable short-term prognosis.

Clinical Trial Description

n/a

Study Design

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Clinical Trial Details
NCT number NCT05228080
Study type Observational
Source Xijing Hospital
Contact JIA-NING WU
Phone 15353390103
Email wjn19961230@yeah.net
Status Recruiting
Phase
Start date December 1, 2021
Completion date February 1, 2023
View Details
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