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Clinical Trial Summary

This study aims to evaluate the effectiveness and safety of the Smart flex stent system in treating long femoropopliteal native lesions.


Clinical Trial Description

One hundred twenty patients with lesion lengths longer than 15 cm will be included. Patients will be invited for a follow-up visit at 1, 6, 12, and 24-month post-procedure. The primary effectiveness endpoint of the study is the primary patency at 12 months. The primary safety endpoint is freedom of major adverse events (MAEs) at 12 months. Secondary endpoints include acute procedure success rate; primary patency rate at 1, 6, and 24 months; freedom from TLR at 1-, 6-, 12, and 24-month follow-up; primary and secondary sustained clinical improvements at 1-, 6-, 12- and 24-month follow-up; Freedom of MAEs at 1-, 6-,12- and 24- month follow-up; change of quality of life at 1-, 6-,12- and 24- month follow-up. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05894863
Study type Interventional
Source RenJi Hospital
Contact Ni Qihong, M.D.
Phone +8615801900772
Email niqihong1989@163.com
Status Recruiting
Phase N/A
Start date May 31, 2023
Completion date January 2, 2027

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