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审核状态: Project audit state: |
通过审核 Successful |
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注册号: Registration number: |
ChiCTR2400090582 |
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最近更新日期: Date of Last Refreshed on: |
2025-06-16 10:50:29 |
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注册时间: Date of Registration: |
2024-10-09 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: |
经导管主动脉瓣膜系统(Venus-PowerX)治疗重度主动脉瓣狭窄的关键性临床研究 |
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Public title: |
Pivotal Study of Severe Aortic Stenosis Treated with the Venus-PowerX Transcatheter Aortic Valve System |
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注册题目简写: |
PREVAILS研究 |
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English Acronym: |
PREVAILS |
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研究课题的正式科学名称: |
经导管主动脉瓣膜系统(Venus-PowerX)治疗重度主动脉瓣狭窄的关键性临床研究 |
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Scientific title: |
Pivotal Study of Severe Aortic Stenosis Treated with the Venus-PowerX Transcatheter Aortic Valve System |
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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: |
张萍 |
研究负责人: |
陈茂 |
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Applicant: |
Zhang Ping |
Study leader: |
Chen Mao |
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申请注册联系人电话: Applicant telephone: |
+86 158 0216 8031 |
研究负责人电话:
Study leader's |
+86 189 8060 2046 |
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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: |
zhangping@venusmedtech.com |
研究负责人电子邮件: Study leader's E-mail: |
hmaochen@vip.sina.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: |
杭州市滨江区江陵路88号2幢3楼 |
研究负责人通讯地址: |
中国四川省成都市武侯区国学巷37号 |
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Applicant address: |
3F, Building 2, No.88, Jiangling Road, Binjiang District, Hangzhou, China |
Study leader's address: |
37 Guoxue Lane, Wuhou District, Chengdu, Sichuan, 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: |
杭州启明医疗器械股份有限公司 |
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Applicant's institution: |
Venus MedTech(HangZhou) Inc. |
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研究负责人所在单位: |
四川大学华西医院 |
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Affiliation of the Leader: |
West China Hospital of Sichuan University |
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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: |
2024年临床试验(器械)审(11)号 |
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: |
四川大学华西医院临床试验伦理审查委员会 |
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Name of the ethic committee: |
Ethics Committee on Clinical Trial West China Hospital of Sichuan University |
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伦理委员会批准日期: Date of approved by ethic committee: |
2024-04-22 00:00:00 | ||
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伦理委员会联系人: |
韩玉榕 |
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Contact Name of the ethic committee: |
Han Yurong |
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伦理委员会联系地址: |
四川省成都市武侯区国学巷37号 |
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Contact Address of the ethic committee: |
37 Guoxue Lane, Wuhou District, Chengdu, Sichuan, China |
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伦理委员会联系人电话: Contact phone of the ethic committee: |
+86 28 8542 3237 |
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: |
四川大学华西医院 |
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Primary sponsor: |
West China Hospital, Sichuan University |
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研究实施负责(组长)单位地址: |
四川省成都市武侯区国学巷37号 |
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Primary sponsor's address: |
37 Guoxue Lane, Wuhou District, Chengdu, Sichuan, 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: |
杭州启明医疗器械股份有限公司 |
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Source(s) of funding: |
Venus MedTech(HangZhou) Inc. |
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研究疾病: |
重度主动脉瓣狭窄 |
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Target disease: |
Severe Aortic Stenosis |
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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: |
III期临床试验 | ||||||||||||||||||||||
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Study phase: |
3 |
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研究设计: |
单臂 |
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Study design: |
Single arm |
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研究目的: |
本关键性研究旨在评价经导管主动脉瓣膜系统(Venus-PowerX)治疗重度主动脉瓣狭窄患者的安全性、有效性和器械性能表现。 |
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Objectives of Study: |
The objective is to evaluate the safety, effectiveness, and performance of Venus-PowerX. |
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药物成份或治疗方案详述: |
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Description for medicine or protocol of treatment in detail: |
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纳入标准: |
1. 年龄 ≥ 60 岁; 2. 有重度主动脉瓣狭窄症状; 3. 重度主动脉瓣狭窄(AS,3+级),定义为:超声心动图提示主动脉瓣面积≤1 cm2(主动脉瓣面积指数≤0.6 cm2/m3)或峰值流速≥4.0 m/s 或平均跨瓣压差(MPG)≥ 40 mmHg; 4. 美国胸外科医师协会(STS )评分≥8%或经评估认为不适合接受常规外科手术瓣膜置换的患者; 5. 患者或其法定监护人同意参与并按照规定随访,且能够提供书面知情同意。 |
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Inclusion criteria |
1. Age >= 60 years; 2. Severe aortic stenosis (AS, grade 3+), defined as AVA<=1 cm^2 (AVAi <=0.6 cm^2/m^3) or Vmax>= 4.0 m/s or MPG >=40 mmHg determined by echocardiography; 3. Patients deemed for cardiac intervention by a heart team; 4. American Society of Thoracic Surgeons (STS) score >=8% or Patients who are assessed to be not suitable for conventional surgical valve replacement; 5. The patients or their legal guardians agreed to participate and be followed up as specified and were able to provide written informed consent. |
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排除标准: |
合并疾病 1. 既往接受过人工机械或生物瓣膜置换术或/和修复术的患者; 2. 需要手术干预但未经治疗的二尖瓣、三尖瓣或肺动脉瓣疾病; 3. 术前 30 天内出现急性心肌梗死; 4. 未经治疗且具有临床意义且需要血运重建的冠状动脉疾病; 5. 术前 3 个月内卒中或 TIA,或改良 Rankin 评分≥4 级; 6. 预估不能逆转的严重性慢性肾病损害(eGFR<30 mL/min/1.73 m2); 7. 具有临床意义的血液系统疾病,定义为:白细胞减少症(WBC<3,000cell/mL)、贫血(Hgb<9 g/dL)、血小板减少症(Plt<50,000cell/mL)或任何已知凝血功能障碍。 解剖排除标准 1. LVEF < 20%; 2. 影像提示心内占位、血栓或赘生物迹象; 3. 解剖结构不适合经股动脉入路和输送研究器械; 4. 自体主动脉瓣的几何特征和尺寸不利于研究器械锚定。 常规排除标准 1. 血流动力学不稳定,需要强心剂、主动脉内球囊反搏(IABP)或其他血流动力学支持器械,或者需要任何机械心脏辅助; 2. 已知对抗血小板、抗血栓形成药物或 Venus-PowerX 系统中任一组件(如:镍钛合金、猪心包、PTFE 等)过敏或禁忌,据此研究者评估无法施行手术; 3. 预期寿命≤1 年; 4. 需要抗生素治疗的活动性感染,包括感染性心内膜炎; 5. 计划术后 30 天内开展同期手术; 6. 处于妊娠期、哺乳期或者计划在 1 年内妊娠; 7. 活动期消化性溃疡或 3 个月内的上消化道出血史; 8. 经研究者以及协调研究者评估,患者不适合参加本临床研究。 |
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Exclusion criteria: |
Co-morbidities 1. Previous mechanical or biological valve replacement and repair; 2. Untreated mitral, tricuspid or pulmonary valve diseases requiring procedural intervention; 3. Acute myocardial infact within 30 days; 4. Untreated clinically significant coronary artery disease requiring revascularization; 5. Stroke or TIA within 3 months, or Modified Rankin Scale >= 4 disability; 6. Estimated irreversible severe chronic kidney disease damage (eGFR<30 mL/min/1.73m^2); 7. Clinical significant disorders: Leukopenia (WBC < 3000 cell/mL), anemia (Hgb < 9 g/dL), thrombocytopenia (Plt< 50,000 cell/mL), or any known blood clotting disorder; Anatomic 1. LVEF < 20%; 2. Imaging shows signs of intracardiac mass, thrombus, or vegetation; 3. Inappropriate anatomy for femoral introduction and delivery of study device; 4. Native aortic valve geometry and size unfavorable for study device anchoring. General 1. Haemodynamics instability requiring inotropic support or intra-aortic balloon pump (IABP) or other hemodynamic support device, or any mechanical heart assistance; 2. Known hypersensitivity or contraindication to antiplatelet, antithrombotic medications, or any compotent of Venus-PowerX system (Nitinol, pig pericardium, PTFE, etc.) leading to be unable to undergo index procedure per physicians' judgment; 3. Life expectancy <= 1 year; 4. Active infection requiring antibiotic therapy including infective endocarditis; 5. Planned relevant concomitant procedure within 30 days post-index procedure; 6. Pregnant, breastfeeding or intend to become pregnant within 1 year; 7. Active peptic ulcer or history of upper gastrointestinal bleeding within 3 months; 8. According to the evaluation of the investigator or coordinating investigator, the patient was not suitable for participating in this clinical study. |
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研究实施时间: Study execute time: |
从 From 2024-02-01 00:00:00至 To 2031-08-29 00:00:00 |
征募观察对象时间: Recruiting time: |
从 From 2024-10-15 00:00:00 至 To 2025-12-31 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: |
尚未开始 Not yet recruiting |
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): |
无 |
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Randomization Procedure (please state who generates the random number sequence and by what method): |
None |
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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: |
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Blinding: |
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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 |
否No |
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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): |
无 |
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The way of sharing IPD”(include metadata and protocol, If use web-based public database, please provide the url): |
None |
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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: |
电子采集和管理系统 |
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Data collection and Management (A standard data collection and management system include a CRF and an electronic data capture: |
EDC |
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数据与安全监察委员会: Data and Safety Monitoring Committee: |
暂未确定/Not yet |