NCT05592054终止不适用
PROximal TEmporary oCclusion Using Balloon Guide Catheter for Mechanical Thrombectomy(PROTECT-MT)
适应症
试验速览
- 阶段
- 不适用
- 状态
- 终止
- 入组人数
- 329
- 试验地点
- 1
- 主要终点
- Functional outcome
研究概览
简要总结
A multi-center, prospective, randomized, open-label, blinded endpoint assessment (PROBE) clinical trial of endovascular treatment among selected AIS.
详细描述
The PROTECT-MT study is a prospective, multicenter, randomized controlled, open-label, blinded endpoint evaluation (PROBE) trial, and aims to determine the effectiveness of balloon guide catheter(BGC) as compared to standard guide catheter on functional outcome (modified Rankin Scale [mRS] score at Day 90) in patients with acute ischemic stroke due to anterior circulation large vessel occlusion.
Primary Endpoints
Functional outcome, defined as modified Rankin Scale (mRS) score, at 90 days (±14 days) .
Secondary Endpoints
- Dichotomized mRS at 90 days after the operation (0-1 versus 2-6, 0-2 versus 3-6, 0-3 versus 4-6, 0-4 versus 5-6, 0-5 versus 6).
- Change in stroke severity (NIHSS score) at 24 hours post treatment.
- Change in stroke severity (NIHSS score) at 7 days post treatment or discharge (whichever occurs first).
- Final infarct volume at 5-7 days post treatment
- Technical success rate (defined as successfully navigating the guide catheter into the target vessel, and finishing the mechanical thrombectomy procedure without changing to another guide catheter).
- Reperfusion outcome (eTICI 2b or greater, eTICI 2c or greater, eTICI 3) in final angiogram.
- Reperfusion outcome (eTICI 2b or greater, eTICI 2c or greater, eTICI 3) after the first pass.
- Time from groin puncture to successful reperfusion (eTICI 2b or greater, eTICI 2c or greater).
- Percentage of subjects with acceptable revascularization quality (eTICI 2b or greater, eTICI 2c or greater) within 45 min of access.
- Number of thrombectomy attempts (final).
- Occurrence of emboli to a new territory.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Single (Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Age ≥18 years
- •Diagnosis of AIS with confirmed anterior circulation LVO (including intracranial segment of the internal carotid artery, and the first or proximal second segment [M1 or proximal M2] of the middle cerebral artery) by brain imaging
- •To receive MT within 24 hours after AIS onset according to local guidelines
- •Preoperative mRS score of 0-1
- •Signed informed consent form obtained from the subject (or approved surrogate)
排除标准
- •Intracranial hemorrhage confirmed by imaging
- •Known or suspected pre-existing (chronic) large vessel occlusion in the symptomatic territory
- •Excessive vascular access tortuosity disables the use of balloon guide catheter
- •Intracranial stent implanted in the same vascular territory that precludes the safe deployment/removal of the neuro-thrombectomy device
- •Any other condition that precludes the performing of mechanical thrombectomy procedure
- •Occlusions in multiple vascular territories confirmed by Computed Tomography Angiography(CTA) or Magnetic Resonance Angiography(MRA)
- •Subjects who are pregnant
- •Subjects who are allergy to the contrast agent
- •Subjects who refuse to cooperate or unable to tolerate interventional operation
- •Subjects whose expected lifetime are less than 90 days
- •Subjects who are unlikely to participate in follow-up assessments according to the investigator's judgement
- •Any other condition that, according to the investigator's judgement, not suitable for using of balloon guide catheter
结局指标
主要结局
Functional outcome
时间窗: 90 days
defined as modified Rankin Scale (mRS) score shift
次要结局
- Technical success rate(24 hours after mechanical thrombectomy)
- Time from groin puncture to successful reperfusion(24 hours after mechanical thrombectomy)
- Dichotomized mRS(90 days)
- Occurrence of emboli to a new territory(24 hours after mechanical thrombectomy)
- Final infarct volume(5-7 days post treatment)
- Change in stroke severity(7 days post treatment or discharge (whichever occurs first).)
- Revascularization quality(24 hours after mechanical thrombectomy)
- Thrombectomy attempt (final)(24 hours after mechanical thrombectomy)
- Reperfusion outcome(24 hours after mechanical thrombectomy)
研究者
Jian-min Liu
Director of Cerebrovascular Disease Center
Changhai Hospital
研究点 (1)
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