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NCT07197970
This investigation is a prospective, multicenter, randomized controlled, non-inferiority clinical trial, to evaluate the safety and efficacy of the investigational device against alternative models/specifications of the control device. The study will be conducted across multiple Chinese centers, with planned enrollment of 224 patients with symptomatic intracranial atherosclerotic stenosis. Subjects meeting all inclusion criteria and without any exclusion criteria will enter the investigation after providing written informed consent via ethics committee-approved informed consent forms (ICFs). The randomized controlled study plans to enroll 224 patients, stratified by intracranial lesion location (anterior/posterior circulation), through a centralized randomization system. The experimental group will receive the NxiDIME™ Intracranial Drug-Eluting Stent System (RICOTON Technology Co., Ltd.), while the control group will receive the NOVADES® Intracranial Drug-Eluting Stent System. All subjects underwent follow-up visits on the day of the procedure, within 7 days postoperatively or prior to discharge, and at 30 days, 6 months, and 12 months postoperatively.
NCT07156344
This prospective cohort study aims to establish a large-scale cohort for primary stroke prevention in asymptomatic intracranial atherosclerosis (ICAS). Objectives include: characterizing risk factor and stenotic artery distributions; determining optimal TCD screening sentinel arteries; observing plaque progression/regression via HR-MRI; establishing vulnerable plaque evaluation systems through stroke event follow-up; and developing cognitive decline prediction models integrating hemodynamic parameters. All procedures (TCD, HR-MRI, neuropsychological assessments) are routine clinical examinations with minimal risk. Participation is voluntary. Initial TCD and qualifying HR-MRI scans incur standard fees; all follow-up imaging and neuropsychological assessments post-enrollment are provided free of charge.
NCT05741086
The primary goal of the trial is to investigate whether the experimental arms (receiving the Proprotein Convertase Subtilisin-Kexin Type 9 \[PCSK9\] inhibitor Evolocumab plus statin) could cause more changes from baseline in intracranial atherosclerotic plaque and hemodynamic features during 1 year of follow-up, compared with the control arm (taking statin) in patients with recent stroke/transient ischemic attack (TIA) caused by intracranial artery stenosis.