Dexamethasone Infusion to the Adventitia to Enhance Clinical Efficacy After Femoropopliteal Revascularization (DANCE)
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
注册 (实际的)
阶段
- 不适用
联系人和位置
学习地点
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California
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San Francisco、California、美国、94121
- San Francisco VA Medical Center
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San Francisco、California、美国、94143
- University of California, San Francisco Medical Center
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参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
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
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 |
|---|---|
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实验性的:Intervention
Perivascular administration of dexamethasone following endovascular superficial femoral and popliteal artery angioplasty or atherectomy.
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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:
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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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Safety Outcome Measures:
大体时间:30 days
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Freedom from death, vessel dissection, thrombosis or extravasation at 30 days post-procedure.
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30 days
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Effectiveness Outcome Measures:
大体时间:6 months
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Freedom from Target Lesion Revascularization (TLR) and/or Target Vessel Revascularization (TVR) at 6 months post-procedure.
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6 months
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次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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Safety Outcome Measures:
大体时间:24 months
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Freedom from death, stroke, myocardial infarction, emergent surgical revascularization, significant distal embolization in target limb, and thrombosis of target vessel
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24 months
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合作者和调查者
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
研究记录日期
研究主要日期
学习开始
初级完成 (实际的)
研究完成 (实际的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (估计)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
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