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注册号: Registration number: |
ChiCTR2000031829 |
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最近更新日期: Date of Last Refreshed on: |
2025-12-30 23:11:13 |
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注册时间: Date of Registration: |
2020-04-11 00:00:00 |
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注册号状态: |
预注册 |
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Registration Status: |
Prospective registration |
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注册题目: |
发病6-24小时前循环大血管闭塞血管内治疗基于MRI的侧支循环评估研究:一项多中心随机对照临床试验 |
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Public title: |
MRI-Based Collateral Flow Assessment for Thrombectomy Selection Within 6-24 Hours: A Multicenter Randomized Clinical Trial |
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注册题目简写: |
MIELS |
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English Acronym: |
MIELS |
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研究课题的正式科学名称: |
基于磁共振平扫序列的超时间窗急性脑梗死取栓术简捷术前评估的应用研究 |
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Scientific title: |
Study for application of simple preoperative evaluation of thrombectomy for acute cerebral infarction based on magnetic resonance imaging |
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研究课题代号(代码): Study subject ID: |
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在二级注册机构或其它机构的注册号: The registration number of the Partner Registry or other register: |
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申请注册联系人: |
魏铭 |
研究负责人: |
魏铭 |
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Applicant: |
Wei Ming |
Study leader: |
Wei Ming |
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申请注册联系人电话: Applicant telephone: |
+86 135 0218 2903 |
研究负责人电话:
Study leader's |
+86 135 0218 2903 |
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申请注册联系人传真 : Applicant Fax: |
研究负责人传真: Study leader's fax: |
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申请注册联系人电子邮件: Applicant E-mail: |
eeditor@126.com |
研究负责人电子邮件: Study leader's E-mail: |
drweiming@163.com |
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申请单位网址(自愿提供): Applicant website(voluntary supply): |
研究负责人网址(自愿提供): Study leader's website(voluntary supply): |
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申请注册联系人通讯地址: |
天津市津南区吉兆路6号 |
研究负责人通讯地址: |
天津市津南区吉兆路6号 |
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Applicant address: |
6 Jizhao Road, Jinnan District, Tianjin, China |
Study leader's address: |
6 Jizhao Road, Jinnan District, Tianjin, China |
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申请注册联系人邮政编码: Applicant postcode: |
研究负责人邮政编码: Study leader's postcode: |
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申请人所在单位: |
天津市环湖医院 |
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Applicant's institution: |
Tianjin Huanhu Hospital |
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研究负责人所在单位: |
天津市环湖医院 |
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Affiliation of the Leader: |
Tianjin Huanhu Hospital |
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是否获伦理委员会批准: |
是 |
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Approved by ethic committee: |
Yes |
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伦理委员会批件文号: Approved No. of ethic committee: |
(津环)伦审第(2019-37)号, (津环)伦审第(2023-051)号; 跟踪审查(2020;2021;2022;2023;2024);结题报告 |
伦理委员会批件附件: Approved file of Ethical Committee: |
查看附件View |
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批准本研究的伦理委员会名称: |
天津市环湖医院伦理委员会 |
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Name of the ethic committee: |
Ethics Committee of Tianjin Huanhu Hospital |
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伦理委员会批准日期: Date of approved by ethic committee: |
2019-04-03 00:00:00 | ||
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伦理委员会联系人: |
陈亚星 |
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Contact Name of the ethic committee: |
Yaxing Chen |
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伦理委员会联系地址: |
天津市津南区吉兆路6号 |
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Contact Address of the ethic committee: |
6 Jizhao Road, Jinnan District, Tianjin, China |
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伦理委员会联系人电话: Contact phone of the ethic committee: |
+86 138 2125 9925 |
伦理委员会联系人邮箱: Contact email of the ethic committee: |
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研究实施负责(组长)单位: |
天津市环湖医院 |
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Primary sponsor: |
Tianjin Huanhu Hospital |
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研究实施负责(组长)单位地址: |
天津市津南区吉兆路6号 |
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Primary sponsor's address: |
6 Jizhao Road, Jinnan District, Tianjin, China |
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试验主办单位(项目批准或申办者): Secondary sponsor: |
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经费或物资来源: |
天津市科学技术局 |
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Source(s) of funding: |
Tianjin Science and Technology Bureau |
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研究疾病: |
缺血性脑卒中 |
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Target disease: |
Ischemic Stroke |
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研究疾病代码: |
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Target disease code: |
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研究类型: |
干预性研究 |
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Study type: |
Interventional study |
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研究所处阶段: |
其它 | ||||||||||||||||||||||
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Study phase: |
N/A |
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研究设计: |
随机平行对照 |
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Study design: |
Parallel |
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研究目的: |
验证使用简单磁共振平扫序列(基于FVH-DWI不匹配原则)结合磁共振血管造影与进行复杂灌注成像进行取栓术前的非劣效性,验证使用简单术前评价进行取栓手术的安全性有效性。初步建立符合我国国情的超时间窗(6-12小时)取栓术前评价标准,使取栓流程更加简单快速安全有效从而让更多的脑梗患者受益,实现良好的社会经济效益。 |
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Objectives of Study: |
To validate the non-inferiority of using simple MRI plain scan sequences (based on the FVH-DWI mismatch principle) combined with MR angiography (MRA) compared to complex perfusion imaging for pre-thrombectomy assessment, and to confirm the safety and efficacy of simplified preoperative evaluation for thrombectomy procedures. The goal is to preliminarily establish a pre-thrombectomy evaluation standard suitable for China's national conditions in the extended time window (6–12 hours), streamlining the thrombectomy process to be simpler, faster, safer, and more effective. This will benefit more stroke patients and achieve significant socioeconomic benefits. |
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药物成份或治疗方案详述: |
所有符合以下临床标准-符合急性前循环缺血性卒中症状体征、基线NIHSS评分≥6分、卒中发病时间在6至24小时内的患者均纳入筛选,并同时完成MRI、MRA及灌注加权成像(PWI),经确认符合所有入选标准且无排除条件的患者将接受随机分组。按1:1的比例随机分配至MRI组或灌注组。MRI组患者仅根据MR影像判断是否存在血管内治疗指征,在多模式MR中存在FVH-DWI不匹配的患者接受血管内治疗和最佳药物治疗,无FVH-DWI不匹配的患者仅接受最佳药物治疗。灌注组患者仅根据灌注结果判断是否存在血管内治疗指征。灌注组中符合Defuse 3研究中定义的灌注不匹配标准-即梗死核心体积<70 mL、不匹配比≥1.8且不匹配体积≥15 mL的患者接受血管内治疗和最佳药物治疗,不符合该灌注不匹配标准的患者仅接受最佳药物治疗。 |
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Description for medicine or protocol of treatment in detail: |
All patients meeting the following clinical criteria - presenting with symptoms/signs of acute anterior circulation ischemic stroke, baseline NIHSS score ≥6, and stroke onset time between 6 to 24 hours - were enrolled for screening. These patients underwent MRI, MRA and perfusion-weighted imaging (PWI). Those who met all inclusion criteria without any exclusion conditions were randomized.Participants were randomly assigned in a 1:1 ratio to either the MRI group or the perfusion group. In the MRI group,treatment decisions were based solely on MR imaging findings.Patients demonstrating FVH-DWI mismatch on multimodal MR received endovascular therapy plus best medical treatment.Those without FVH-DWI mismatch received best medical treatment only.In the perfusion group,treatment decisions were based solely on perfusion results.Patients meeting the DEFUSE 3-defined perfusion mismatch criteria (ischemic core volume <70 mL, mismatch ratio ≥1.8, and mismatch volume ≥15 mL) received endovascular therapy plus best medical treatment.Those not meeting these perfusion mismatch criteria received best medical treatment only. |
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纳入标准: |
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Inclusion criteria |
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排除标准: |
1. NCCT ASPECT评分<6分(如果进行了基线NCCT)或DWI-ASPECT评分<5分; 2. 妊娠,或尿液、血清β人绒毛膜促性腺激素检测呈阳性的潜在妊娠患者; 3. 对造影剂严重过敏史; 4. 有遗传性或获得性出血倾向、凝血因子缺乏、近期使用抗凝药物(血小板计数<100×10^9/L;INR>3或PPT>正常值的3倍); 5. 存在活动性出血或出血倾向; 6. 存在心脏、肝脏或肾脏衰竭体征; 7. 参加其他可能干扰试验结果评估的干预性随机临床试验; 8. 预期寿命<1年; 9. 卒中发作伴癫痫,无法获得准确的NIHSS评分; 10. 多支大血管闭塞; 11. 研究者认为不适合参与试验的其他情况(例如筛选过程中违反指南推荐意见或机构处理原则); 12. CTA/MRA显示血管解剖结构严重迂曲,存在解剖变异,导致器械可能无法到位至目标血管。 |
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Exclusion criteria: |
1. ASPECTS score<6 on non-contrast CT(if baseline non-contrast CT was performed) or DWI-ASPECT < 5; 2. Pregnancy, or those potential with positive urine or serum beta Human Chorionic Gonadotropin test; 3. A history of severe allergy to contrast media; 4. Hereditary or acquired bleeding tendency, coagulation factor deficiency, recent anticoagulant medication (platelet count < 100 x 10^9 /L; INR > 3 or PPT > 3 times normal); 5. Active hemorrhage or preexisting tendency to hemorrhage; 6. Presence of signs of cardiac, hepatic or renal failure; 7. Participation in other interventional randomized clinical trial that may confound the outcome assessment of the trial; 8. Life expectancy < 1 year; 9. A stroke attack with epilepsy that prevents an accurate NIHSS score from being obtained; 10. Multiple large vessel occlusion; 11. Other circumstances that the investigator considers inappropriate for participation in the trial (such as violation of guidelines or institutional processing principles during the screening process); 12. CTA/MRA shows vascular anatomy is severely tortuous, has an anatomic variation that would preclude the navigation of the thrombectomy devices to the target vessel. |
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研究实施时间: Study execute time: |
从 From 2020-04-13 00:00:00至 To 2025-06-10 00:00:00 |
征募观察对象时间: Recruiting time: |
从 From 2020-04-20 00:00:00 至 To 2024-06-10 00:00:00 |
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干预措施: Interventions: |
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研究实施地点: Countries of recruitment and research settings: |
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测量指标: Outcomes: |
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采集人体标本:
Collecting sample(s)
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征募研究对象情况: Recruiting status: |
结束 /Completed |
年龄范围: Participant age: |
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性别: |
男女均可 |
Gender: |
Both |
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随机方法(请说明由何人用什么方法产生随机序列): |
随机化采用计算机随机数算法生成的简单随机表进行,符合入组标准的患者在签署知情同意书后,向各研究中心的研究者分配连续入组编号,按1:1的比例随机分配至MRI组或灌注组。 |
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Randomization Procedure (please state who generates the random number sequence and by what method): |
Randomization was performed using a simple randomization list generated by a computer-based random-number algorithm. At each study site, investigators assigned sequential enrollment numbers according to the randomization list. Eligible patients who provided written informed consent were randomly allocated in a 1:1 ratio to the MRI group and perfusion group. |
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是否公开试验完成后的统计结果: Calculated Results after the Study Completed public access: |
公开/Public |
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盲法: |
本研究为开放标签、盲法终点 |
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Blinding: |
Open-label, Blinded Endpoint |
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试验完成后的统计结果(上传文件): |
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Calculated Results after
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是否共享原始数据: IPD sharing |
是Yes |
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共享原始数据的方式(说明:请填入公开原始数据日期和方式,如采用网络平台,需填该网络平台名称和网址): |
2025年12月在ResMan(http://www.medresman.org.cn/login.aspx)公开。 |
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The way of sharing IPD”(include metadata and protocol, If use web-based public database, please provide the url): |
The raw data will be made public on ResMan (http://www.medresman.org.cn/login.aspx) in December 2025. |
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数据采集和管理(说明:数据采集和管理由两部分组成,一为病例记录表(Case Record Form, CRF),二为电子采集和管理系统(Electronic Data Capture, EDC),如ResMan即为一种基于互联网的EDC: |
病例记录表和电子采集和管理系统(EDC系统),EDC系统网址:https://edc.clinflash.net/login?redirect=%2Flake%2Fhome&lang=en |
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Data collection and Management (A standard data collection and management system include a CRF and an electronic data capture: |
Case Report Form (CRF) and Electronic Data Capture and Management System (EDC). EDC system URL:https://edc.clinflash.net/login?redirect=%2Flake%2Fhome&lang=en |
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数据与安全监察委员会: Data and Safety Monitoring Committee: |
有/Yes |