About this trial
To compare the access circuit primary patency after Ranger drug-coated balloon angioplasty of arteriovenous fistula (AVF) stenosis with that after conventional balloon angioplasty
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Failing AVF with at least 1 AVF stenosis presenting with any clinical, physiological or haemodynamic abnormalities. Both de novo and recurrent stenosis are accepted.
AVF has been used successfully for at least 1 month (non-mature AVF are not allowed).
Less than 30% residual stenosis after angioplasty.
≥ 21 years old
Disqualifiers
Thrombosed AVFs
Haemodynamically significant central vein stenosis
Target lesion not treatable with the available sizes of drug eluting balloon (up to 8mm)
Contraindication to antiplatelet therapy
Trial design
Parallel
Treatments tested in this trial
Angioplasty of all peripheral AVF stenosis
DeviceAll peripheral AVF stenosis are to be treated with the same type of balloon depending on allocation
Treatment groups
Trial outcomes
Primary outcomes
Access circuit primary patency
Time to next clinically-driven intervention
Secondary outcomes
Access access circuit patency
Time to next clinically-driven intervention
Access circuit assisted primary patency
Time to next access thrombosis or surgical intervention.
Access circuit secondary patency
Time to access abandonment or surgical revision / declotting
Procedural complication
Complication related to procedure
Sponsors and contacts
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Singapore General Hospital
Lead sponsor
Singapore Clinical Research Institute
Collaborator
Boston Scientific Corporation
Collaborator