ChiCTR2100041672 版本V1.0 版本创建时间2021/01/01 14:00:24 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:

ChiCTR2100041672 

最近更新日期:

Date of Last Refreshed on:

2021-01-01 14:00:20 

注册时间:

Date of Registration:

2021-01-01 00:00:00 

注册号状态:

预注册

Registration Status:

Prospective registration

注册题目:

Leaflex中国早期可行性研究

Public title:

The Leaflex CHINA Feasibility Study

注册题目简写:

English Acronym:

研究课题的正式科学名称:

一项旨在评估Leaflex Performer 经导管主动脉瓣膜修复系统在中国人群中的安全性和性能的前瞻性、非随机、单组的可行性临床研究

Scientific title:

A Prospective, Non-Randomized, Single-Arm, Open-Label Clinical Study to Demonstrate the Safety and Performance of the Leaflex Performer in Chinese Population

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:

茅燕谊 

研究负责人:

吴永健、方丕华 

Applicant:

Mao Yanyi 

Study leader:

Wu Yongjian、Fang Pihua 

申请注册联系人电话:

Applicant telephone:

0571-81398035

研究负责人电话:

Study leader's
telephone:

010-88322674

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:

maoyanyi@venusmedtech.com

研究负责人电子邮件:

Study leader's E-mail:

yongjianwu_nccd@163.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:

浙江省杭州市滨江区江陵路 88号2 幢3 楼 311 室

研究负责人通讯地址:

北京市西城区北礼士路167号

Applicant address:

Room 311, 3/F, Block 2, 88 Jiangling Road, Binjiang District, Hangzhou, China

Study leader's address:

167 Beili Road, Xicheng District, Beijing, 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:

Affiliation of the Leader:

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:

CY-KY2006008

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:

博鳌超级医院科研伦理审查委员会

Name of the ethic committee:

Boao Super Hospital Research Ethics Review Committee

伦理委员会批准日期:

Date of approved by ethic committee:

2020-11-04 00:00:00

伦理委员会联系人:

张韵

Contact Name of the ethic committee:

Zhang Yun

伦理委员会联系地址:

海南省琼海市博鳌乐城国际医疗旅游先行区康祥路6号

Contact Address of the ethic committee:

No.6 Kangxiang Road, International Medical Tourism Pilot Zone, Boao Lecheng, Qionghai City, Hainan Province

伦理委员会联系人电话:

Contact phone of the ethic committee:

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:

博鳌超级医院

Primary sponsor:

Boao super hospital

研究实施负责(组长)单位地址:

海南省琼海市博鳌乐城国际医疗旅游先行区康祥路6号

Primary sponsor's address:

No.6 Kangxiang Road, International Medical Tourism Pilot Zone, Boao Lecheng, Qionghai City, Hainan Province

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

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:

滨江区江陵路 88号2 幢3 楼 311 室

Institution
hospital:

Venus Medtech (Hangzhou) Inc.

Address:

Room 311, 3/F, Block 2, 88 Jiangling Road, Binjiang District

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:

主动脉瓣狭窄  

Target disease:

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:

探索性研究/预试验 

Study phase:

0

研究设计:

单臂 

Study design:

Single arm 

研究目的:

旨在评价使用Leaflex Performer 经导管主动脉瓣膜修复系统治疗主动脉瓣的安全性和性能。  

Objectives of Study:

To demonstrate the safety and performance of aortic valve treatment with the Leaflex Performer.

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≥18岁的男性和女性。
2. 严重主动脉狭窄患者。
3. 退行性严重主动脉瓣狭窄,超声心动图标准为:平均压差>40mmHg或射流速度>4.0m/s或AVA≤1.0cm2或AVA指数≤0.6 cm2/m2。
4. NYHA功能分级≥2或运动试验证明运动能力受限或BP反应降低。
5. 心脏团队认为可手术但不建议立即进行外科手术或经导管主动脉瓣置换术(患者可接受BAV)
6. 已告知研究性质,患者同意其规定并签署了获得EC批准的书面知情同意书。
7. 患者愿意遵循预定访视和测试,而且能够并愿意提供知情同意。

Inclusion criteria

1. Male and female age ≥18 years.
2. Patient with severe aortic stenosis.
3. Senile degenerative severe native aortic valve stenosis with echocardiography derived criteria: mean gradient > 40 mmHg OR jet velocity > 4.0 m/s OR AVA ≤ 1.0 cm2 OR AVA index ≤ 0.6 cm2/m2.
4. NYHA Functional Class ≥ 2 OR exercise test that demonstrates a limited exercise capacity or decreased BP response.
5. Operable but not recommended by the heart team for immediate treatment with surgical or transcatheter aortic valve replacement (patient may be eligible for BAV).
6. Patient has been informed of the nature of the study, agrees to its provisions and has provided written informed consent as approved by the EC.
7. Patient is willing to comply with scheduled visits and tests and is able and willing to provide informed consent.

排除标准:

1. 主动脉瓣为单叶、双叶或未钙化。
2. 无法进行紧急心脏开胸手术。
3. 中度或更严重的主动脉反流。
4. 髂股血管特征导致无法安全置入导引鞘。
5. 患有心脏团队认为应接受治疗的冠状动脉疾病;或手术前≤1个月接受了冠状动脉疾病治疗。
6. 患有心脏团队认为应接受治疗的颈动脉或锥动脉疾病;或手术前≤1个月接受了颈动脉狭窄治疗。
7. 手术前≤3个月接受了主动脉球囊瓣膜成形术。
8. 手术前≤12个月脑血管意外(CVA)或短暂性脑缺血发作(TIA)。
9. 研究者评估为严重神经性失能。
10. 术前≤6周的心肌梗死(MI)病史。
11. 目前心脏任一处患有细菌性心内膜炎或之前患有主动脉瓣细菌性心内膜炎。
12. 细胞血液计数临床明显异常(表现为白细胞计数WBC<3000细胞/μL、Hb<9 g/dL、血小板计数<90000细胞/μL)或有血液透析、凝血障碍或高凝状态病史的患者。
13. 需要强心剂或机械血流动力学支撑装置的血流动力不稳定。
14. 肥厚性梗阻性心肌病(HOCM)。
15. LVEF<30%。
16. 目前患有严重感染或败血症。
17. 心脏成像显示心内有肿块、血栓或赘生物。
18. 患者拒绝血液制品。
19. 肾功能不全(根据Cockcroft-Gault公式,eGFR<30ml/min)或血清肌酐>2.5mg/dL)和/或肾脏替代治疗。
20. 手术前≤3个月患有活动性消化性溃疡或活动性胃肠道出血。
21. 在瓣膜治疗期间无法耐受或限制使用抗凝治疗或在随访期间无法耐受抗血小板治疗。
22. 无法在术前使用药物适当治疗的绝对禁忌症或碘化造影剂过敏。
23. 已知对镍钛合金、不锈钢、聚酰胺12、聚醚嵌段共聚物、聚四氟乙烯(PTFE,Teflon)、聚苯砜(PPSU)、聚氯乙烯(PVC,不含DEHP)、聚丙烯(PP)、SurModics Serene涂层(PhotoLink?表面改性)、硅胶、环氧胶粘剂、丙烯酸胶过敏。
24. 已妊娠或患者计划在未来12个月内妊娠。
25. 由于非主动脉瓣相关疾病,手术后的预期寿命≤12个月。
26. 任何原因导致需要紧急手术。
27. 研究者评估患者过于虚弱,无法耐受手术。
28. 研究者或其团队评估患者患有无法参加研究的其他医学、社会或心理疾病。
29. 患者正在参加其他药物研究或器械研究,除非该药物/器械已市售。
CT核心实验室排除标准
CT核心实验室评估主动脉瓣钙化形态过多,例如弥漫性块状钙化并且钙化大于4.5x4.5mm2。

Exclusion criteria:

1. Aortic valve is unicuspid, bicuspid, or non-calcified.
2. Inoperable for emergency open-heart surgery.
3. Moderate or greater aortic regurgitation.
4. Iliofemoral vessel characteristics that would preclude safe placement of the introducer sheath.
5. Coronary artery disease that, in the opinion of the heart team, should be treated; or treatment of coronary artery disease ≤ 1 month prior to index procedure.
6. Carotid or vertebral artery disease that, in the opinion of the heart team, should be treated; or treatment of carotid stenosis ≤ 1 month prior to index procedure.
7. Aortic balloon valvuloplasty ≤ 3 months prior to index procedure.
8. CVA or TIA ≤ 12 months prior to index procedure.
9. Major neurological disability, as determined by the Investigator.
10. History of a myocardial infarction (MI) ≤ 6 weeks prior to index procedure.
11. Current bacterial endocarditis anywhere in the heart or previous bacterial endocarditis in the aortic valve.
12. Patients with clinically significant abnormality in cell blood count as defined by WBC < 3000 cell/μL, Hb < 9 g/dL and platelet count < 90,000 cell/μL or history of bleeding diathesis or coagulopathy, or hypercoagulable states.
13. Hemodynamic instability requiring inotropic therapy or mechanical hemodynamic support devices.
14. Hypertrophic cardiomyopathy with obstruction (HOCM).
15. LVEF <30%.
16. Ongoing severe infection or sepsis.
17. Cardiac imaging evidence of intracardiac mass, thrombus or vegetation.
18. Patient refuses blood products.
19. Renal insufficiency (eGFR<30 ml/min per the Cockcroft-Gault formula) or serum creatinine > 2.5 mg/dL) and/or renal replacement therapy.
20. Active peptic ulcer or active gastrointestinal bleeding ≤ 3 months prior to index procedure.
21. Inability to tolerate or condition precluding treatment with anti-anticoagulation therapy during the valve treatment, or antiplatelet therapy during follow-up.
22. Absolute contraindications or allergy to iodinated contrast that cannot be adequately treated with pre-medication.
23. Known allergy to Nitinol alloys, stainless steel, Polyamide 12, Polyether block amide, Polytetrafluoroethylene (PTFE, Teflon), Polyphenylsulfone (PPSU), Polyvinyl chloride (PVC, DEHP Free), Polypropylene (PP), SurModics Serene coating (PhotoLink? surface modification), Silicone, Epoxy adhesive, Acrylic glue.
24. Known pregnancy or patient plans to become pregnant in next 12 months.
25. Life expectancy ≤ 12 months post index procedure not due to aortic valve related morbidity.
26. Need for emergency surgery for any reason.
27. Patient is too frail to withstand the index procedure, as determined by the Investigator.
28. Other medical, social or psychological conditions which, in the opinion of the Investigator or any of his team, preclude the patient from study participation.
29. Patient is currently participating in an investigational drug or another device study unless the drug/device is commercially available.
CT Core Lab Exclusion Criteria
30. An excessive aortic valve leaflet Calcium morphology, such as diffused massive calcification with calcification depth of at least 4.5X4.5mm2, as determined by CT core lab.

研究实施时间:

Study execute time:

From 2020-11-14 00:00:00 To 2023-12-31 00:00:00  

征募观察对象时间:

Recruiting time:

From 2021-01-01 00:00:00 To 2021-12-30 00:00:00

干预措施:

Interventions:

组别:

试验组

样本量:

20

Group:

experimental group

Sample size:

干预措施:

使用Leaflex Performer进行主动脉瓣膜修复术

干预措施代码:

Intervention:

Aortic valve repair with Leaflex Performer

Intervention code:

研究实施地点:

Countries of recruitment and research settings:

国家:

中国

省(直辖市):

海南 

市(区县):

 

Country:

China

Province:

Hainan

City:

单位(医院):

博鳌超级医院 

单位级别:

三甲 

Institution
hospital:

Boao Super Hospital

Level of the institution:

Tertiary A

测量指标:

Outcomes:

指标中文名:

Leafle手术的安全性和有效性

指标类型:

主要指标

Outcome:

feasibility and safety of the Leafle procedure

Type:

Primary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

Leafle治疗前(手术前7天内)和Leaflex治疗后(手术后3天内),通过超声心动图测量的AVA变化

指标类型:

主要指标

Outcome:

change in AVA measured by echocardiography before treatment with the Leaflex (within 7 days prior to index procedure) and after treatment with the Leaflex (within 3 days post index procedure)

Type:

Primary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

术后30天内、术后3个月内全因死亡和全因卒中的复合发生率

指标类型:

次要指标

Outcome:

Composite rates of all-cause mortality and all-cause stroke through 30 days post the procedure

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

全因死亡率

指标类型:

次要指标

Outcome:

All-cause mortality rate

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

全因卒中率

指标类型:

次要指标

Outcome:

All-cause stroke rate

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

缺血性卒中率

指标类型:

次要指标

Outcome:

Ischemic stroke rate

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

与Leaflex治疗前(手术前7天内)和Leaflex治疗后(手术后3天内)相比,术后30天的超声心动图评估显示主动脉瓣反流(AR)恶化>1级或发现了超过微量的新AR

指标类型:

次要指标

Outcome:

Worsening of aortic regurgitation (AR) by >1 grade or any new AR greater than trace assessed by echocardiography at 30 days post the procedure compared to before treatment with the Leaflex (within 7 days prior to treatment) and to after treatment with the Leaflex (within three days post treatment)

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

从入组至术后12个月的所有不良事件(包括轻度和严重穿刺部位相关并发症)

指标类型:

次要指标

Outcome:

All adverse events from enrollment up to 12 months post procedure (inclusive of minor and major access site related complications)

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

Leaflex治疗后(手术后3天内),通过超声心动图测量的Leaflex术后AVA、AVAi以及峰值压查和平均压差

指标类型:

次要指标

Outcome:

Post Leaflex AVA, AVAi and peak and mean pressure gradients measured by echocardiography after treatment with the Leaflex (within 3 days post index procedure)

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

侵入性跨瓣压差的术中变化,计算为Leaflex治疗前即刻和Leaflex治疗后即刻的整个主动脉瓣平均压差和峰间压差

指标类型:

次要指标

Outcome:

Intra-procedural change of invasive transvalvular pressure gradients, computed as difference in mean and in peak-to-peak pressure gradients across the aortic valve immediately prior to treatment with the Leaflex and immediately following treatment with the Leaflex

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

从超声心动图测量的AVA以及峰值压差和平均压差的变化,从Leaflex治疗前(手术前7天内)以及Leaflex治疗后(手术后3天内)至术后1个月、6个月和12个月的变化

指标类型:

次要指标

Outcome:

Change in AVA and in peak and mean pressure gradients, measured by echocardiography, from before treatment with the Leaflex (within 7 days prior to index procedure) and from after treatment with the Leaflex (within 3 days post index procedure) to 1, 6 and 12 months post procedure

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

从基线至术后1个月、6个月和12个月的6分钟步行测试结果变化

指标类型:

次要指标

Outcome:

Change in 6MWT from baseline to 1, 6 and 12 months post procedure

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

从基线至术后1个月、6个月和12个月的生活质量变化

指标类型:

次要指标

Outcome:

Change in quality of life from baseline to 1, 6 and 12 months post procedure

Type:

Secondary 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 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):

NA

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

NA

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

是Yes

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):

在中国临床试验注册中心公开数据,http://www.chictr.org.cn/index.aspx

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

Public data at the Chinese clinical trial registry,http://www.chictr.org.cn/index.aspx

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:

使用CRF表和电子EDC系统

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

CRF form and EDC system

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:

 2021-01-01 14:00:20