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Dexamethasone Infusion to the Adventitia to Enhance Clinical Efficacy After Femoropopliteal Revascularization (DANCE)

2018年1月4日 更新者:Warren J. Gasper, MD、University of California, San Francisco
The purpose of this study is to test if dexamethasone, an anti-inflammatory medication approved by the US Food and Drug Administration (FDA), can be injected safely into the tissue around the blood vessel wall at the time of an angioplasty or atherectomy.

研究概览

详细说明

This is an investigator-initiated, single-arm, external pilot study to assess the safety and feasibility of perivascular administration of dexamethasone following endovascular superficial femoral and popliteal artery angioplasty or atherectomy.

Although dexamethasone is approved by the FDA for injection into blood, skin or joints, it has not been approved by the FDA for injection around blood vessels. The investigators want to find out if this procedure helps prevent re-narrowing of the blood vessel after angioplasty or atherectomy. The dexamethasone will be injected with a Bullfrog® Micro-Infusion catheter, which is an FDA-approved device for injecting medications into tissues around the blood vessel wall. The Bullfrog® Micro-Infusion catheter is similar to other balloon tipped catheters except that it contains a microneedle covered by a fold of semi-rigid balloon. Once the balloon is inflated, the microneedle is uncovered and a medication can be injected into the tissue around the blood vessel.

研究类型

介入性

注册 (实际的)

22

阶段

  • 不适用

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。

学习地点

    • California
      • San Francisco、California、美国、94121
        • San Francisco VA Medical Center
      • San Francisco、California、美国、94143
        • University of California, San Francisco Medical Center

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

40年 至 80年 (成人、年长者)

接受健康志愿者

不

有资格学习的性别

全部

描述

Inclusion Criteria:

  • Patient is > 40 years and < 80 years of age
  • Patient has severe, lifestyle-limiting claudication or critical limb ischemia (Rutherford classification 3-6)
  • Patient has TASC II A, B or C disease, SFA revascularization is preferred over medical management, and endovascular approach is preferred revascularization strategy
  • Patient has a resting ABI of <0.9 or an abnormal treadmill ABI. Patients with incompressible arteries must have a TBI <0.8
  • Patient has at least 1 infra-popliteal run-off vessel with patency to the ankle without a >50% stenosis
  • Successful crossing of the lesion with guidewire and successful atherectomy or angioplasty with residual stenosis <30% as compared to the reference vessels
  • Atherectomy procedure does not result in embolization, arteriovenous fistula or perforation
  • Patient agrees to return for a clinical assessment duplex ultrasound at 1, 3, 6, 9, 12 and 24 months (routine clinical care)

Exclusion Criteria:

  • Patient is simultaneously participating in another investigational drug or device study
  • Patient is pregnant or breast-feeding
  • Patient has cancer, autoimmune disease, bone marrow or organ transplant, or other concurrent medical illness requiring immunosuppressive therapy
  • Patient has end-stage renal disease and chronic kidney disease (eGFR<30)
  • Patient has an active infection
  • Patient has a known hypersensitivity or contraindication to heparin, contrast agents, excipients of Dexamethasone Sodium Phosphate Injection, USP, dexamethasone, or other glucocorticoids
  • Patient has a life expectancy of less than one year

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

  • 主要用途:治疗
  • 分配:不适用
  • 介入模型:单组作业
  • 屏蔽:无(打开标签)

武器和干预

参与者组/臂
干预/治疗
实验性的:Intervention
Perivascular administration of dexamethasone following endovascular superficial femoral and popliteal artery angioplasty or atherectomy.
Following a balloon angioplasty or atherectomy of a stenotic TASC II A, B, or C lesion in the superficial femoral or popliteal artery, a Bullfrog Micro-Infusion Catheter will be used to infuse 0.96 mg dexamethasone per cm arterial lesion.
其他名称:
  • 地塞米松
  • 血管成形术
  • 斑块切除术
  • TASC II A, B, C lesion
  • superficial femoral artery
  • popliteal artery

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
Safety Outcome Measures:
大体时间:30 days
Freedom from death, vessel dissection, thrombosis or extravasation at 30 days post-procedure.
30 days
Effectiveness Outcome Measures:
大体时间:6 months
Freedom from Target Lesion Revascularization (TLR) and/or Target Vessel Revascularization (TVR) at 6 months post-procedure.
6 months

次要结果测量

结果测量
措施说明
大体时间
Safety Outcome Measures:
大体时间:24 months
Freedom from death, stroke, myocardial infarction, emergent surgical revascularization, significant distal embolization in target limb, and thrombosis of target vessel
24 months

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:Warren J. Gasper, M.D.、University of California, San Francisco

出版物和有用的链接

负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。

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

2010年12月1日

初级完成 (实际的)

2015年12月1日

研究完成 (实际的)

2016年12月1日

研究注册日期

首次提交

2011年11月9日

首先提交符合 QC 标准的

2012年1月10日

首次发布 (估计)

2012年1月11日

研究记录更新

最后更新发布 (实际的)

2018年1月8日

上次提交的符合 QC 标准的更新

2018年1月4日

最后验证

2018年1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.

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