Peripheral Arterial Disease Clinical Trial
— PES-BTK-70Official title:
A Prospective, Multi-center, Single Arm Study With a Nitinol Self-Expanding Paclitaxel-Eluting Stent in the Treatment of Atherosclerotic Tibial-peroneal Arteries
The objective of this clinical study is to evaluate the immediate and long-term (up to 12 month) safety and effectiveness of a Nitinol Self-Expanding Paclitaxel-Eluting stent for the treatment of patients with critical limb ischemia (i.e. rest pain or non-healing foot ulcers) due to the presence of arterial lesions in the below-the-knee arteries of maximally 50mm long.
Status | Completed |
Enrollment | 70 |
Est. completion date | October 2014 |
Est. primary completion date | October 2013 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Patient presenting with rest pain or minor tissue loss (Rutherford Clinical Category 4 or 5) - Patient is willing to comply with specified follow-up evaluations at the specified times - Patient is >18 years old - Patient understands the nature of the procedure and provides written informed consent, prior to enrolment in the study - Patient has a projected life-expectancy of at least 12 months - Patient is eligible for treatment with a Self-Expanding Paclitaxel-Eluting stent - Male, infertile female, or female of child bearing potential practicing an acceptable method of birth control with a negative pregnancy test within 7 days prior to study procedure - Evidence at screening of =50% de novo lesion (or restenosis after previous PTA) in the infrapopliteal arteries, confirmed by angiography - Reference vessel diameter visually estimated to be =3.0mm and =4.5mm - Identifiable distal target vessel which upon completion of the intervention, is anticipated to provide reconstitution of blood flow to the foot. - Guidewire successfully traversed lesion - Length of target lesion is <50mm Exclusion Criteria: - Untreated flow-limiting inflow lesions - Perioperative unsuccessful ipsilateral percutaneous vascular procedure to treat inflow disease just prior to enrollment - Has had a previous peripheral bypass affecting the target limb - Major distal amputation (above the transmetatarsal) in the study limb or non-study limb - Non-atherosclerothic disease resulting in occlusion (e.g. embolism, Buerger's disease, vasculitis) - Patient has a contra-indication or known untreated allergy to anti-platelet therapy, anticoagulants, thrombolytic drugs or any other drug anticipated to be used - Patient has hypersensitivity to contrast or device material that cannot be adequately pretreated - Patient has known uncontrollable hypercoagulable condition, or refuses blood transfusion - Life expectancy of less than 12 months - Patient is currently participating in an investigational drug or another device study that may clinically interfere with the study endpoints - Patient has other co-morbid condition(s) that in the judgment of the physician precludes safe percutaneous intervention - Has end-stage renal disease defined as undergoing hemodialysis for kidney failure - Known allergy to contrast media that cannot be adequately pre-medicated prior to the study procedure - Patient with known hypersensitivity to heparin, including those patients who have had a previous incidence of heparin-induced thrombocytopenia (HIT)type II - Treatment of ipsilateral non-study inflow lesions with other materials than regular guidewires, regular PTA balloons, bare metal stents and/or paclitaxel-coated stents - Additional treatments of the study lesion requiring materials/procedures other than standard guidewires, regular PTA balloons and/or a Self-Expanding Paclitaxel-Eluting stent (e.g. thrombectomy, re-entry catheters, CTO-wires, cutting balloon, cryoballoon, etc) |
Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Belgium | OLV Ziekenhuis | Aalst | East-Flanders |
Belgium | Imelda Hospital | Bonheiden | Antwerp |
Belgium | AZ Sint-Blasius | Dendermonde | East-Flanders |
Belgium | UZA | Edegem | Antwerp |
Belgium | RZ Heilig-Hartziekenhuis | Tienen | Antwerp |
Lead Sponsor | Collaborator |
---|---|
Flanders Medical Research Program |
Belgium,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Primary patency | Primary patency rate at 6 months, defined by duplex ultrasound measurement of peak systolic velocity ratio =2.0 at the target lesion(s) with no clinically-driven reintervention within the treated segment, verified by Core Lab | 6 months | No |
Primary | Primary patency | Primary patency at 12 months, defined as absence of restenosis (=50% stenosis) or occlusion within the originally treated lesion based on angiography, verified by Core Lab | 12 months | No |
Secondary | Technical success | Technical success, defined as the ability to cross and dilate the lesion to achieve residual angiographic stenosis no greater than 30% by visual assessment | procedure (day 0) | Yes |
Secondary | Procedural success | Procedural success, defined as the ability to achieve <30% final residual stenosis of the target lesion by visual estimation (angio) and the absence of any in-hospital Major Adverse Events (MAE, defined as clinically-driven target vessel revascularization, major unplanned amputation of the treated limb, and all-cause mortality) | Procedure (day 0) | Yes |
Secondary | MAE (Major Adverse Event) | MAE at 1, 6 and 12 months Major Adverse Events (MAE) include (but are not limited to) death myocardial infarction stroke emergent surgical revascularization of the target vessel repeat vascularization of the target vessel major amputation bleeding complication requiring transfusion |
1, 6 and 12 months | Yes |
Secondary | SAE (Serious Adverse Event) | Other SAEs at discharge, 1, 6 and 12 months A Serious Adverse Event (SAE) is defined as an Adverse Event which: results in death is life-threatening results in persistent or significant disability/incapacity requires in-patient hospitalization or unduly prolonged hospitalization. necessitates an intervention to prevent a permanent impairment of a body function or permanent damage to a body structure. is a congenital abnormality/birth defect, a fetal distress or fetal death results in malignancy |
discharge, 1, 6 and 12 months | Yes |
Secondary | Improvement of Rutherford classification | Improvement in Rutherford Clinical Category at 12 months, defined as an improvement in clinical status indicated by a decrease of one or more in Rutherford Clinical Category at 12 months compared to baseline, that is attributable to the treated limb (in cases of bilateral disease) | 12 months | No |
Secondary | Improvement in Ankle-Brachial Index | Improvement in Ankle-Brachial Index at 12 months, defined as an increase in the ankle-brachial index (ABI) at 1 year compared to baseline in subjects with compressible arteries and baseline ABI<0.9 | 12 months | No |
Secondary | Primary Patency | Primary patency rate at 1 and 12 months, defined by duplex ultrasound measurement of peak systolic velocity ratio =2.0 at the target lesion(s) with no clinically-driven reintervention within the treated segment | 1 and 12 months | No |
Secondary | Secondary patency | Secondary patency rate at 1, 6 and 12 months, defined by duplex ultrasound peak systolic velocity ratio =2.0 maintained by repeat percutaneous intervention | 1, 6 and 12 months | No |
Secondary | Limb salvage rate | Limb salvage rate, defined as 1 minus major amputation rate (major amputation is defined as at or above ankle, as opposed to minor amputation being at or below metatarsus preserving functionality of foot | Procedure, 1, 6 and 12 months | Yes |
Secondary | Target Lesion Revascularisation | Target lesion revascularization (TLR), defined as a repeat intervention to maintain or re-establish patency within the region of the treated arterial vessel plus 5mm proximal and distal to the treated lesion edge. | Procedure (day 0), 1, 6 and 12 months | No |
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