ChiCTR2400090582 版本V1.2 版本创建时间2025/11/14 16:20:44 中国临床试验注册中心

审核状态:

Project audit state:

通过审核

Successful

注册号:

Registration number:

ChiCTR2400090582 

最近更新日期:

Date of Last Refreshed on:

2025-06-16 10:50:29 

注册时间:

Date of Registration:

2024-10-09 00:00:00 

注册号状态:

预注册

Registration Status:

Prospective registration

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

Public title:

Pivotal Study of Severe Aortic Stenosis Treated with the Venus-PowerX Transcatheter Aortic Valve System

注册题目简写:

PREVAILS研究

English Acronym:

PREVAILS

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

Scientific title:

Pivotal Study of Severe Aortic Stenosis Treated with the Venus-PowerX Transcatheter Aortic Valve System

研究课题代号(代码):

Study subject ID:

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:

申请注册联系人:

张萍 

研究负责人:

陈茂 

Applicant:

Zhang Ping 

Study leader:

Chen Mao 

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
telephone:

+86 189 8060 2046

申请注册联系人传真 :

Applicant Fax:

研究负责人传真:

Study leader's fax:

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

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):

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

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

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:

申请人所在单位:

杭州启明医疗器械股份有限公司

Applicant's institution:

Venus MedTech(HangZhou) Inc.

研究负责人所在单位:

四川大学华西医院

Affiliation of the Leader:

West China Hospital of Sichuan University

是否获伦理委员会批准:

Approved by ethic committee:

Yes

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

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

Name of the ethic committee:

Ethics Committee on Clinical Trial West China Hospital of Sichuan University

伦理委员会批准日期:

Date of approved by ethic committee:

2024-04-22 00:00:00

伦理委员会联系人:

韩玉榕

Contact Name of the ethic committee:

Han Yurong

伦理委员会联系地址:

四川省成都市武侯区国学巷37号

Contact Address of the ethic committee:

37 Guoxue Lane, Wuhou District, Chengdu, Sichuan, China

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:

研究实施负责(组长)单位:

四川大学华西医院

Primary sponsor:

West China Hospital, Sichuan University

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

Primary sponsor's address:

37 Guoxue Lane, Wuhou District, Chengdu, Sichuan, China

试验主办单位(项目批准或申办者):

Secondary sponsor:

国家:

中国

省(直辖市):

浙江省

市(区县):

杭州

Country:

China

Province:

Zhejiang

City:

Hangzhou

单位(医院):

杭州启明医疗器械股份有限公司

具体地址:

杭州市滨江区江陵路88 号2 幢3 楼311 室

Institution
hospital:

Venus MedTech(HangZhou) Inc.

Address:

3F, Building 2, No.88, Jiangling Road, Binjiang District, Hangzhou, China

经费或物资来源:

杭州启明医疗器械股份有限公司

Source(s) of funding:

Venus MedTech(HangZhou) Inc.

研究疾病:

重度主动脉瓣狭窄  

Target disease:

Severe Aortic Stenosis

研究疾病代码:

Target disease code:

研究类型:

干预性研究

Study type:

Interventional study

研究所处阶段:

III期临床试验 

Study phase:

3

研究设计:

单臂 

Study design:

Single arm 

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。  

Objectives of Study:

The objective is to evaluate the safety, effectiveness, and performance of Venus-PowerX.

药物成份或治疗方案详述:

 

Description for medicine or protocol of treatment in detail:

 

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。

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.

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。

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.

研究实施时间:

Study execute time:

From 2024-02-01 00:00:00 To 2031-08-29 00:00:00  

征募观察对象时间:

Recruiting time:

From 2024-10-15 00:00:00 To 2025-12-31 00:00:00

干预措施:

Interventions:

组别:

单组

样本量:

103

Group:

Single Group

Sample size:

干预措施:

经导管主动脉瓣膜置换术

干预措施代码:

Intervention:

Transcatheter Aortic Valve Replacement

Intervention code:

研究实施地点:

Countries of recruitment and research settings:

国家:

中国

省(直辖市):

四川 

市(区县):

成都 

Country:

China

Province:

Sichuan

City:

Chengdu

单位(医院):

四川大学华西医院 

单位级别:

三甲 

Institution
hospital:

West China Hospital, Sichuan University

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

浙江 

市(区县):

杭州 

Country:

China

Province:

Zhejiang

City:

Hangzhou

单位(医院):

浙江大学医学院附属第二医院 

单位级别:

三甲 

Institution
hospital:

the Second Affiliated Hospital Zhejiang University School of Medicine

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

广东 

市(区县):

 

Country:

China

Province:

Guangdong

City:

单位(医院):

广东省人民医院 

单位级别:

三甲 

Institution
hospital:

Guangdong Provincial People's Hospital

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

北京 

市(区县):

 

Country:

China

Province:

Beijing

City:

单位(医院):

中国医学科学院阜外医院 

单位级别:

三甲 

Institution
hospital:

Fuwai Hospital Chinese Academy of Medical Sciences

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

广东 

市(区县):

 

Country:

China

Province:

Guangdong

City:

单位(医院):

中山大学附属第一医院 

单位级别:

三甲 

Institution
hospital:

The First Affiliated Hospital of Sun Yat-sen University

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

重庆 

市(区县):

 

Country:

China

Province:

Chongqing

City:

单位(医院):

陆军军医大学第二附属医院 

单位级别:

三甲 

Institution
hospital:

The Second Affiliated Hospital of the Army Medical University

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

辽宁 

市(区县):

 

Country:

China

Province:

Liaoning

City:

单位(医院):

中国人民解放军北部战区总医院 

单位级别:

三甲 

Institution
hospital:

General Hospital of Northern Theater Command

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

山东 

市(区县):

 

Country:

China

Province:

Shandong

City:

单位(医院):

山东大学齐鲁医院 

单位级别:

三甲 

Institution
hospital:

Qilu Hospital of Shandong University

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

辽宁 

市(区县):

 

Country:

China

Province:

Liaoning

City:

单位(医院):

中国医科大学附属第一医院 

单位级别:

三甲 

Institution
hospital:

The First Affiliated Hospital of China Medical University

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

浙江 

市(区县):

 

Country:

China

Province:

Zhejiang

City:

单位(医院):

温州医科大学附属第一医院 

单位级别:

三甲 

Institution
hospital:

the First Affiliated Hospital of Wenzhou Medical University

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

广东 

市(区县):

 

Country:

China

Province:

Guangdong

City:

单位(医院):

南方医科大学南方医院 

单位级别:

三甲 

Institution
hospital:

Nanfang Hospital

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

湖南 

市(区县):

 

Country:

China

Province:

Hunan

City:

单位(医院):

中南大学湘雅二医院 

单位级别:

三甲 

Institution
hospital:

The Second Xiangya Hospital of Central South University

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

四川 

市(区县):

 

Country:

China

Province:

Sichuan

City:

单位(医院):

广安市人民医院 

单位级别:

三甲 

Institution
hospital:

Guangan People's Hospital

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

四川 

市(区县):

 

Country:

China

Province:

Sichuan

City:

单位(医院):

成都市第五人民医院 

单位级别:

三甲 

Institution
hospital:

Chengdu Fifth People's Hospital

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

四川 

市(区县):

 

Country:

China

Province:

Sichuan

City:

单位(医院):

自贡市第一人民医院 

单位级别:

三甲 

Institution
hospital:

Zigong First People's Hospital

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

四川 

市(区县):

 

Country:

China

Province:

Sichuan

City:

单位(医院):

德阳市人民医院 

单位级别:

三甲 

Institution
hospital:

Deyang People's Hospital

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

甘肃 

市(区县):

 

Country:

China

Province:

Gansu

City:

单位(医院):

兰州大学第一医院 

单位级别:

三甲 

Institution
hospital:

The First Hospital of Lanzhou University

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

江苏 

市(区县):

 

Country:

China

Province:

Jiangsu

City:

单位(医院):

南京市第一医院 

单位级别:

三甲 

Institution
hospital:

Nanjing First Hospital

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

黑龙江 

市(区县):

 

Country:

China

Province:

Heilongjiang

City:

单位(医院):

哈尔滨医科大学附属第二医院 

单位级别:

三甲 

Institution
hospital:

The Second Affiliated Hospital of Harbin Medical University

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

天津 

市(区县):

 

Country:

China

Province:

Tianjin

City:

单位(医院):

天津市胸科医院 

单位级别:

三甲 

Institution
hospital:

Tianjin Chest Hospital

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

海南 

市(区县):

 

Country:

China

Province:

Hainan

City:

单位(医院):

海南省人民医院 

单位级别:

三甲 

Institution
hospital:

Hainan General Hospital

Level of the institution:

Tertiary A

国家:

中国

省(直辖市):

江苏 

市(区县):

 

Country:

China

Province:

Jiangsu

City:

单位(医院):

苏州市立医院 

单位级别:

三甲 

Institution
hospital:

Suzhou Municipal Hospital

Level of the institution:

Tertiary A

测量指标:

Outcomes:

指标中文名:

全因死亡

指标类型:

主要指标

Outcome:

All-Cause Mortality

Type:

Primary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

技术成功(VARC-3)

指标类型:

次要指标

Outcome:

Technical success(VARC-3)

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

器械成功(VARC-3)

指标类型:

次要指标

Outcome:

Device success (VARC-3)

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

超声心动图显示瓣膜功能可接受

指标类型:

次要指标

Outcome:

Acceptable valve function

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

心力衰竭入院

指标类型:

次要指标

Outcome:

Hospitalization due to heart failure

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

急性心肌梗死

指标类型:

次要指标

Outcome:

Acute myocardial infraction

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

致残性卒中

指标类型:

次要指标

Outcome:

disabling stroke

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

非致残性卒中

指标类型:

次要指标

Outcome:

non-disabling stroke

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

心血管及非心血管死亡

指标类型:

次要指标

Outcome:

Cardiovascular and non-cardiovascular mortality

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

植入新的永久性起搏器

指标类型:

次要指标

Outcome:

Implant a new PPM

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

严重出血(VARC 3 定义≥2 级)

指标类型:

次要指标

Outcome:

Severe bleeding (VARC 3 ≥2 )

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

急性肾损伤(AKI 2期或3期)或肾代替治疗、肾替代疗法(血液透析、腹膜透析和血液滤过)

指标类型:

次要指标

Outcome:

Acute kidney injury (AKI Stage 2 and 3) or renal alternation therapy, renal replacement therapy (RRT) (hemodialysis, peritoneal dialysis and hemofiltration)

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

主动脉膜再干预(外科手术或介入手术)

指标类型:

次要指标

Outcome:

Aortic valve re-intervention (surgical or transcatheter)

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

瓣膜血栓

指标类型:

次要指标

Outcome:

Valve thrombosis

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

结构性瓣膜衰败

指标类型:

次要指标

Outcome:

Structural valve deterioration

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

超声心动图显示瓣周漏(PVL)

指标类型:

次要指标

Outcome:

Paravalvular leak (PVL) by echocardiogram

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

NYHA心功能分级

指标类型:

次要指标

Outcome:

New York Heart Association (NYHA) classification

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

不良事件发生率

指标类型:

次要指标

Outcome:

incidence of AE

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

严重不良事件发生率

指标类型:

主要指标

Outcome:

incidence of SAE

Type:

Primary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

KCCQ-12评分

指标类型:

主要指标

Outcome:

KCCQ-12 Score

Type:

Primary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

采集人体标本:

Collecting sample(s)
from participants:

标本中文名:

血液

组织:

Sample Name:

Blood

Tissue:

人体标本去向

使用后销毁  

说明

Fate of sample:

Destruction after use  

Note:

征募研究对象情况:

Recruiting status:

尚未开始

Not yet recruiting

年龄范围:

Participant age:

最小 Min age 60 years
最大 Max age years

性别:

男女均可

Gender:

Both

随机方法(请说明由何人用什么方法产生随机序列):

Randomization Procedure (please state who generates the random number sequence and by what method):

None

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

盲法:

Blinding:

试验完成后的统计结果(上传文件):

Calculated Results after
the Study Completed(upload file):

是否共享原始数据:

IPD sharing

否No

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):

The way of sharing IPD”(include metadata and protocol, If use web-based public database, please provide the url):

None

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

Data collection and Management (A standard data collection and management system include a CRF and an electronic data capture:

EDC

数据与安全监察委员会:

Data and Safety Monitoring Committee:

暂未确定/Not yet

注册人:

Name of Registration:

 2024-10-09 11:56:08