Peripheral Arterial Disease Clinical Trial
— CURRENTOfficial title:
A ProspeCtive mUlticenteR Investigation on RENzar Stent Safety and Efficacy in the Treatment of Patients With Femoro-popliteal Disease in Tuscany (CURRENT Registry)
CURRENT Registry is a physician-initiated prospective, multicenter, post-market, single-arm study with a plan to include approximately 100 patients eligible to be treated with RenzanTM Peripheral Stent System.
Status | Recruiting |
Enrollment | 100 |
Est. completion date | December 1, 2026 |
Est. primary completion date | December 1, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: 1. Age =18 years. 2. Subject must provide written informed consent prior to the treatment of the target lesion. 3. Subject must be willing to comply with the specified follow-up evaluation schedule. 4. Subject with Rutherford-Becker clinical classification category 2 to 5, with a resting ankle-brachial index (ABI) = 0.9. 5. Common femoral, superficial femoral and/or popliteal artery lesion with > 50% stenosis or total occlusion. 6. Stenotic or occluded lesion(s) within the same vessel with no length limits. 7. De novo or restenotic/occluded lesion(s) including in-stent restenosis, with reference vessel diameter (RVD) = 4.0 mm and = 8.0 mm by visual assessment and no length limits. 8. Multiple RENZAN stents could be deployed with a mandatory overlap of 0.5-1 cm. 9. A patent inflow artery free from the significant lesion (=50% stenosis) as confirmed by angiography (treatment of target lesion acceptable after successful treatment of ipsilateral iliac lesions); Successful ipsilateral iliac artery treatment is defined as the attainment of residual diameter stenosis =30%, either with PTA or stenting. 10. The target lesion(s) can be successfully crossed with a guide wire and dilated up to 1:1 to the proposed stent to be implanted (as per the operator's assessment). 11. At least one patent native outflow artery (anterior or posterior tibial or peroneal), free from significant (=50%) stenosis (as confirmed by angiography), that has not previously been revascularized. The remaining outflow arteries requiring treatment during the same procedure may be treated Exclusion Criteria: 1. Subject has Rutherford-Becker classification category 6. 2. Treatment of lesions requiring the use of adjunctive debulking devices. 3. Use of drug-eluting balloon or stent 4. Inadequate vessel preparation not achieving a diameter of 1:1 to the stent to be implanted (with =20% residual stenosis, as per operator's assessment). 5. Concomitant use of different stent platforms 6. Any significant vessel tortuosity or other parameters prohibiting access to the lesion and/or preventing the stent delivery. 7. Subject with coronary intervention performed less than 90 days prior to or planned within 30 days after the treatment of the target lesion. 8. Known allergies or intolerance to nitinol (nickel titanium). 9. Any contraindication or known unresponsiveness to dual antiplatelet therapy (DAPT) or anticoagulation therapy. 10. Presence of acute thrombus prior to crossing the lesion. 11. Thrombolysis of the target vessel within 72 hours prior to the index procedure 12. Thrombophlebitis or deep venous thrombus, within the previous 30 days. 13. Subject receiving dialysis within the previous 30 days. 14. Stroke within the previous 90 days. 15. Subject is pregnant or of childbearing potential 16. Subject has a life expectancy of less than 1 year. 17. Subject is participating in an investigational study that has not reached the primary endpoint at the time of study screening. 18. Only one patent outflow artery, with significant stenosis (=50%) (as confirmed by angiography) |
Country | Name | City | State |
---|---|---|---|
Italy | University of Siena | Siena |
Lead Sponsor | Collaborator |
---|---|
Azienda Ospedaliera Universitaria Senese | University of Florence |
Italy,
Conte MS, Bradbury AW, Kolh P, White JV, Dick F, Fitridge R, Mills JL, Ricco JB, Suresh KR, Murad MH; GVG Writing Group. Global vascular guidelines on the management of chronic limb-threatening ischemia. J Vasc Surg. 2019 Jun;69(6S):3S-125S.e40. doi: 10.1016/j.jvs.2019.02.016. Epub 2019 May 28. Erratum In: J Vasc Surg. 2019 Aug;70(2):662. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Primary Safety endpoint [composite] | Death + target lesion revascularization (TLR) + Major Amputation (above the ankle) | 30 days after procedure | |
Primary | Primary Efficacy endpoint | Primary patency of the artery at 12 months, defined as no evidence of occlusion within the originally treated lesion based on Color Flow Doppler ultrasound in the absence of target lesion revascularization (TLR) | 12 months | |
Secondary | Device Success | Successful device deployment according to Instruction For Use. | Intraoperative | |
Secondary | Technical Success | Achievement of a final target lesion residual diameter stenosis of <30% based on angiography. | Intraoperative | |
Secondary | Procedural Success | Technical and device success without procedural complication. | Intraoperative | |
Secondary | Any death | Cardiovascular death and non-cardiovascular death | 1, 6, 12 24 and 36 months | |
Secondary | Clinically-driven Target Lesion Revascularization (CD-TLR) | Any TLR associated with deterioration of patient's Rutherford category and/or increase in size of pre-existing ischemic wounds and/or occurrence of new wounds. | 1, 6, 12 24 and 36 months | |
Secondary | Patency of Target lesion | Defined as no evidence of restenosis or occlusion within the originally treated lesion based on a Color Flow Doppler ultrasound in the absence of target lesion revascularization (TLR). Occlusion and restenosis were defined as no color flow or an increase in peak systolic velocity ratio (PSVR) of = 2.4 when compared to the proximal normal segment, respectively. | 1, 6, 12 24 and 36 months | |
Secondary | Limb Ischemia Improvement | Improvement in the Rutherford-Becker Clinical Improvement Scale of greater than or equal to 1. -Rutherford-Becker Classification: 0 Asymptomatic Mild claudication Moderate claudication Severe claudication Ischemic rest pain Minor tissue loss Major tissue loss |
1, 6, 12 24 and 36 months | |
Secondary | MAE (Major Adverse Event) | a composite rate of: cardiovascular death procedure-related arterial rupture acute limb ischemia stent thrombosis clinically apparent distal embolization target limb amputation procedure-related bleeding event requiring transfusion |
1, 6, 12 24 and 36 months | |
Secondary | Index Limb Amputation | Amputation above the ankle. | 1, 6, 12 24 and 36 months | |
Secondary | Stent deployment performance evaluation | Operators feedback on: Pushability/Trackability, Deployment, Visibility and Precise Placement -High, Moderate and Low |
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