Clinical trials

This clinical trial adopts a retrospective, multicenter design with data registered and collected via an Electronic Data Capture (EDC) system. A total of 252 eligible subjects will be enrolled in the trial, who are consecutively selected in accordance with the inclusion and exclusion criteria from 2022 to the end of 2023 in a retrospective manner. Data collection will be conducted at four time points for all enrolled subjects, including the screening period, 6 months (±30 days) after surgery, 12 months (±30 days) after surgery, and 24 months (±60 days) after surgery. Relevant data of retrospective subjects will be obtained by reviewing medical records.

This is a multicenter, prospective, randomized controlled clinical study. Patients with hemodialysis arteriovenous graft fistula stenosis will be recruited to explore whether the scoring balloon is superior to the high pressure balloon in treating such lesions, so as to provide a basis for optimizing the treatment of such lesions. This study will be conducted in seven (7) clinical trial institutions, with a total of 140 subjects included. After randomization, the subjects will use either the scoring balloon dilatation catheter, developed and produced by DK Medical Technology Co., Ltd., or the peripheral balloon dilatation catheter for surgical treatment. Clinical follow-up will be carried out within 5 days, 3 months, 6 months, and 12 months after the procedure.

This is a prospective, multi-center, single-arm target value clinical study to study the safety and effectiveness of Peripheral Scoring Drug-coated Balloon dilatation catheters in the treatment of hemodialysis arteriovenous fistula stenosis.