The purpose of the study is to demonstrate the safety and efficacy of the Merit WRAPSODY Endovascular Stent Graft for treatment of stenosis or occlusion within the dialysis access outflow circuit in the thoracic central veins
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Target lesion treated with stent graft placement
Proportion of subjects without any localized or systemic safety events (Primary Safety Endpoint
Proportion of subjects without any localized or systemic safety events through 30 days post-index procedure that affect the access or venous outflow circuit and resulted in intervention, hospitalization, or death.
Time frame: 30 days
Proportion of subjects with Target Lesion Primary Patency (TLPP) (Primary Effectiveness Endpoint)
Proportion of subjects with Target Lesion Primary Patency (TLPP) at 6 Months. TLPP is defined as freedom from clinically-driven target lesion revascularization (CD-TLR) or target lesion thrombosis measured through 6 months post-procedure, which is the time interval of uninterrupted patency after study procedure to the next intervention performed on the target lesion or uncorrectable target lesion occlusion.
Time frame: 6 months
Proportion of subjects with Target Lesion Primary Patency
Time frame: 12 and 24 months
Proportion of subjects with Assisted Target Lesion Primary Patency (aTLPP)
Time frame: 6, 12 and 24 months
Proportion of subjects with Access Circuit Primary Patency (ACPP)
Time frame: 6, 12 and 24 months
Proportion of subjects with Post-Procedure Secondary Patency
Time frame: 6, 12 and 24 months
Rates of procedure- and device-related adverse events involving the access circuit
Time frame: Index procedure, 30 days, and months 6, 12 and 24.
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