Hemodynamic Change of Coronary Atherosclerotic Plaque After Evolocumab Treatment
2021年4月19日 更新者：Zibo Central Hospital
Hemodynamic Change of Coronary Atherosclerotic Plaque After Evolocumab Treatment: A Serial Follow-Up Study by Computed Tomography-Derived Fractional Flow Reserve
Compelling evidences indicate that lipid-lowering therapy can reduce the high-risk plaque feathers and improve the coronary flow reserve.
This study is going to investigate the change of lesion-specific hemodynamic significance as determined by ML(Machine Learning)-based CT-FFR (Computed Tomography-Fractional Flow Reserve)after Evolocumab treatment.
研究概览
地位
未知
条件
研究类型
观察性的
注册 (预期的)
200
联系人和位置
本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。
学习联系方式
- 姓名：Bo Li, Doctor
- 电话号码：+86-18560292371
- 邮箱：libosubmit@163.com
学习地点
-
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Shandong
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Zibo、Shandong、中国、255036
- Zibo central Hospital
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参与标准
研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
18年 至 85年 (成人、年长者)
接受健康志愿者
不
有资格学习的性别
全部
取样方法
概率样本
研究人群
A total of 200 eligible coronary atherosclerosis disease patients were anticipated to include in this study.
描述
Inclusion Criteria:
- 1.baseline CCTA revealed at least one lesion with stenotic extent from 50% to 69% on major epicardial arteries (diameter ≧2 mm);
- 2.patients were referred for optimal medical treatment;
- 3.patients agreed to undergo follow-up CCTA at 1-year interval.
Exclusion Criteria:
- 1.patients had previous history of myocardial infarction or coronary revascularization;
- 2.patients were contraindicated to the usage of iodine contrast media;
- 3.image quality of baseline or follow-up CCTA was severely impaired (in presence of severe artifact, non-diagnostic);
- 4.patients withdrew the informed consents during follow-up;
- 5.patients experienced major adverse cardiac events during follow-up;
- 6.patients refused to undergo follow-up CCTA;
- 7.lost follow-up
学习计划
本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。
研究是如何设计的？
设计细节
队列和干预
团体/队列 |
|---|
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Enrolled Cohort
200 selected patients will be recruited, who have diagnosed with coronary atherosclerosis disease(stenotic extent from 50% to 69% on major epicardial arteries) by coronary computed tomography angiography(CCTA).
Every two weeks, these patients will be treated with Elococumab Injection (1ml:140mg),ih.This therapy will last for one year.
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研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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the change of lesion-specific CT-FFR
大体时间：June 2020 to December 2021
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After one year's treatment of Elovocumab Injection, the patients will undergo follow-up CCTA again.
We will measure the proximal and distal CT-FFR for each lesion.At the same time ,we will calculated the change in CT-FFR value across the lesion(ΔCT-FFR=CT-FFRproximal-CT-FFRdistal).To compare the parameters above,we shall identify whether the treatment of Elovocumab Injection improves the lesion-specific CT-FFR.
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June 2020 to December 2021
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其他结果措施
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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the change of minimal lumen diameter between baseline and follow-up CCTA
大体时间：June 2020 to December 2021
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After one year's treatment of Elovocumab Injection, the patients will undergo follow-up CCTA again.
We will measure the minimal lumen diameter for each lesion.
Minimal lumen diameter will be manually measured with a digital caliper at the narrowest level of the lesion using the crosssectional images accroding to the CCTA findings.
The results of the minimal lumen diameter at baseline will be compared with results obtained during follow-up to examine the effects of Elovocumab Injection therapy.
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June 2020 to December 2021
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the change of total plaque volume (TPV) between baseline and follow-up CCTA
大体时间：June 2020 to December 2021
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After one year's treatment of Elovocumab Injection, the patients will undergo follow-up CCTA again.
We will measure TPV for each lesion.
Total plaque volume will be automatically measured using the dedicated plaque analysis software.
The results of TPV at baseline will be compared with results obtained during follow-up to examine the effects of Elovocumab Injection therapy.
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June 2020 to December 2021
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the change of lesion length between baseline and follow-up CCTA
大体时间：June 2020 to December 2021
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After one year's treatment of Elovocumab Injection, the patients will undergo follow-up CCTA again.
The length of lesion at baseline will be compared with results obtained during follow-up to examine the effects of Elovocumab Injection therapy.
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June 2020 to December 2021
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合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
调查人员
- 首席研究员：Bo Li, Doctor、Zibo central Hospital
研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始 (预期的)
2021年7月30日
初级完成 (预期的)
2022年12月31日
研究完成 (预期的)
2023年2月27日
研究注册日期
首次提交
2020年5月30日
首先提交符合 QC 标准的
2020年6月3日
首次发布 (实际的)
2020年6月4日
研究记录更新
最后更新发布 (实际的)
2021年4月21日
上次提交的符合 QC 标准的更新
2021年4月19日
最后验证
2020年5月1日
更多信息
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.