To assess the safety and efficacy of the paclitaxel drug-coated balloon IN.PACT 014 versus conventional optimal percutaneous transluminal angioplasty (PTA) for the treatment of patients with chronic total occlusions in the infrapopliteal arteries.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
50
AZ Sint Blasius
Dendermonde, East-Flanders, Belgium
ZOL Genk
Genk, Limburg, Belgium
Universitair Ziekenhuis Gent
Ghent, Belgium
Hopital Guillaume et Rene Laennec - Centre Hospitalier Universitaire
Nantes, France
Primary Effectiveness Endpoint: Late Lumen Loss (LLL) at 9 Months
Late lumen loss (LLL) - The difference between minimum lumen diameter (MLD) immediately after percutaneous balloon angioplasty PTA and MLD at follow up, measured at 9 months
Time frame: 9 Months
Composite Safety Endpoint
A composite of freedom from device- and procedure-related mortality within 30 days, freedom from major target limb amputation and freedom from clinically-driven target lesion revascularization (CD-TLR) within 9 months post-index procedure
Time frame: 9 Months
Major Adverse Event (MAE) Rate
defined as a composite of all-cause mortality, target limb major amputation and clinically-driven target lesion revascularization (CD-TLR) Reported by using the event-free survival Kaplan-Meier estimate through 60 months
Time frame: through 3, 6, 9, 12, 24, 36, 48 and 60 months
Functional Flow Assessment
is defined as absence of target lesion occlusion (no flow) assessed by duplex ultrasound.
Time frame: at 3, 6, 9, 12, 24 and 36 months
Death of Any Cause
Death of any cause, reported by using the event-free survival Kaplan-Meier estimate through 60 months
Time frame: through 3, 6, 9, 12, 24, 36, 48 and 60 months
Major Target Limb Amputation Rate
Major Target Limb Amputation rate, reported by using the event-free survival Kaplan-Meier estimate through 60 months
Time frame: through 30 days, 3, 6, 9, 12, 24, 36, 48 and 60 months
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University Hospital Patras
Pátrai, Greece
IRCCS Multimedica
Sesto San Giovanni, Lombardy, Italy
Maria Cecilia Hospital
Cotignola, Ravenna, Italy
Ospedale San Donato
Arezzo, Italy
University Hospital Zurich
Zurich, Switzerland
Clinically-driven Target Lesion Revascularization (CD-TLR) Rate
Clinically-driven Target Lesion Revascularization (CD-TLR) rate, reported by using the event-free survival Kaplan-Meier estimate through 60 months
Time frame: through 3, 6, 9, 12, 24, 36, 48 and 60 months
Mechanically-driven Target Lesion Revascularization (TLR) Rate
Mechanically-driven Target Lesion Revascularization (TLR) rate
Time frame: through 37 days
Target Lesion Revascularization (TLR) Rate
Target Lesion Revascularization (TLR) rate, reported by using the event-free survival Kaplan-Meier estimate through 60 months
Time frame: through 3, 6, 9, 12, 24, 36, 48 and 60 months
Clinically-driven Target Vessel Revascularization (CD-TVR) Rate
Clinically-driven Target Vessel Revascularization (CD-TVR) rate, reported by using the event-free survival Kaplan-Meier estimate through 60 months
Time frame: through 3, 6, 9, 12, 24, 36, 48 and 60 months
Target Vessel Revascularization (TVR) Rate
Target Vessel Revascularization (TVR) rate, reported by using the event-free survival Kaplan-Meier estimate through 60 months
Time frame: through 3, 6, 9, 12, 24, 36, 48 and 60 months
Status of Wound Healing
Status of wound healing for baseline wounds: completely healed - improvement - unchanged - worsened - Amputation - skin graft; percentage of wounds in each category is presented for each treatment arm
Time frame: at 30 days, 3, 6, 9, 12, 24 and 36 months
Rate of Thrombosis at the Target Lesion
Rate of thrombosis at the target lesion, reported by using the event-free survival Kaplan-Meier estimate through 60 months
Time frame: through 30 days, 3, 6, 9, 12, 24, 36, 48 and 60 months
Device Success
Calculated as the number of IN.PACT 014 Investigational devices with successful delivery, balloon inflation, deflation and retrieval of the intact study device without burst below the rated burst pressure (RBP), divided by the total number of IN.PACT 014 Investigational devices assessed in the study
Time frame: at the time of procedure
Clinical Success
Clinical success is defined as residual stenosis of ≤ 30% without procedural complications (death, major target limb amputation, thrombosis of the target lesion, or target vessel revascularization (TVR)). If any lesion has residual stenosis \> 30% or any of the complications (death, major target limb amputation, thrombosis of the target lesion, or TVR) prior to discharge, then subject is not counted as having Clinical Success. Clinical success is calculated as the number of index procedures with residual stenosis of ≤ 30% by core lab (use site reported data if core lab data is not available) for all target lesions and without procedural complications (death, major target limb amputation, thrombosis of the target lesion, or TVR) prior to discharge as adjudicated by CEC, divided by the number of total index procedures performed.
Time frame: up to discharge visit [between index procedure and 30-day (+/- 7 days) follow-up visit. The average days until discharge was: 9 days (with a max. of 31days) in the IN.PACT 014 arm, and 6 days (with a max. of 21days) in the PTA arm.]