Understanding Angioplasty by the Chocolate PTA Balloon Catheter Compared to Conventional PTA Balloons Via OCT Imaging

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

NA

Study Classification

INTERVENTIONAL

Study Start Date

2014-09-30

Study Completion Date

2015-03-31

Brief Summary

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The purpose of this study is to compare the Chocolate PTA Balloon to standard Percutaneous Transluminal Angioplasty (PTA) catheters. The investigators will use Optical Coherence Tomography (OCT) and Quantitative Vascular Angiography to evaluate the acute vascular response of vessels treated with the Chocolate Balloon to a standard balloon catheter, with the primary endpoint being luminal gain assessed by OCT lumen volume measurements.

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Detailed Description

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Subjects will be randomized to treatment with either the Chocolate Balloon catheter or a standard balloon angioplasty catheter. All angioplasty procedures will be conducted with treatment balloon at the full discretion of the physician and according to the standard practice at the hospital and the device Instructions for Use. All patients will undergo baseline OCT imaging in addition to standard angiography. Post-PTA, all patients will then undergo repeat OCT imaging immediately post-procedure and then again at 10-minutes post-procedure to assess for vascular recoil.

Conditions

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Infrainguinal Peripheral Arterial Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Chocolate PTA Balloon

Chocolate PTA Balloon Angioplasty

Group Type EXPERIMENTAL

Chocolate PTA Balloon Angioplasty

Intervention Type DEVICE

OCT imaging of diseased vessel is treated with an Angioplasty Procedure using the Chocolate PTA Balloon Catheter followed by OCT imaging of the treated area immediately after balloon use and 10 minutes later

Standard PTA Balloon

Standard PTA Balloon Angioplasty

Group Type ACTIVE_COMPARATOR

Standard PTA Balloon Angioplasty

Intervention Type DEVICE

OCT imaging of diseased vessel is treated with an Angioplasty Procedure using a standard PTA Balloon Catheter followed by OCT imaging of the treated area immediately after balloon use and 10 minutes later

Interventions

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Chocolate PTA Balloon Angioplasty

OCT imaging of diseased vessel is treated with an Angioplasty Procedure using the Chocolate PTA Balloon Catheter followed by OCT imaging of the treated area immediately after balloon use and 10 minutes later

Intervention Type DEVICE

Standard PTA Balloon Angioplasty

OCT imaging of diseased vessel is treated with an Angioplasty Procedure using a standard PTA Balloon Catheter followed by OCT imaging of the treated area immediately after balloon use and 10 minutes later

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Reference Vessel Diameter (RVD) between 2.5 and 6.0mm and within treatment range of available balloon at Target Lesion
* Intermittent claudication or critical limb ischemia (Rutherford 3-5)
* De novo stenosis (≥70%) or occlusion in the infrainguinal arteries, including superficial femoral artery (SFA), popliteal, and infrapopliteal arteries.
* Lesion successfully crossed with a guide-wire
* Patient has given informed consent to participate in this study

Exclusion Criteria

* Lesion requiring ablative procedures (i.e. atherectomy or laser) as part of treatment
* Lesion length \>75mm
* Previous bypass or stent at target vessel or proximal to target vessel
* Significant in-flow disease at target lesion
* Known inadequate distal outflow disease or planned treatment of vessel distal to target lesion
* Acute limb ischemia or need for thrombolytic therapy
* Known intolerance to required study medications, contrast media, or nitinol
* Known impaired Renal Function with Glomerular Filtration Rate (GFR) \<45 ml/min per 1.73m2
* Known bleeding disorder or uncontrolled hypercoagulable disorder.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No