A Trail of Sperstent® Used for Residual Lesions of Femoropopliteal Arteries
SURF
A Prospective, Multicenter and Randomized Controlled Trial to Evaluate the Efficacy and Safety of Sperstent® Peripheral Spot Stent System Used for the Residual Lesions After Percutaneous Transluminal Angioplasty of Femoropopliteal Arteries
1 other identifier
interventional
240
1 country
12
Brief Summary
This is a prospective, multi-center, randomized trial designed to investigate the efficacy and safety of Sperstent® peripheral spot stent system versus Everflex® self-expanding peripheral stent system in the endovascular treatment of post-balloon angioplasty (post-PTA) residual lesions including stenoses and/or dissections in femoral and proximal popliteal arteries.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Jun 2024
Typical duration for not_applicable
12 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 4, 2024
CompletedFirst Submitted
Initial submission to the registry
July 29, 2024
CompletedFirst Posted
Study publicly available on registry
August 6, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 4, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 31, 2026
August 6, 2024
July 1, 2024
2.5 years
July 29, 2024
August 1, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Primary Patency
Primary patency defined as freedom from clinically driven target lesion revascularization (CD-TLR) and freedom from duplex ultrasound derived binary restenosis at 12 months post-operation.(defined as PSVR \>2.5)
12 months post-operation
Freedom from Major Adverse Events (MAEs)
Freedom from the occurrence of any new-onset MAEs defined as all-cause death, index limb amputation (above the ankle), or clinically-driven target lesion revascularization (CD-TLR) at 30 days post-operation.
30 days post-operation
Secondary Outcomes (9)
Rate of Device Success
immediately post-operation
Rate of Procedural Success
immediately post-operation
Primary Patency at 30 days and 6 months
30 days and 6 months post-operation
Rate of clinically driven target lesion revascularization (CD-TLR)
30 days, 6 months and 12 months post-operation
Changes from Baseline in Rutherford Classification
30 days, 6 months and 12 months post-operation
- +4 more secondary outcomes
Study Arms (2)
Sperstent® peripheral spot stent system
EXPERIMENTALsubjects using the Sperstent® peripheral spot stent system
Everflex® self-expanding peripheral stent system
ACTIVE COMPARATORsubjects using the Everflex® self-expanding peripheral stent system
Interventions
Sperstent® peripheral spot stent system, Percutaneous Transluminal Angioplasty (PTA), Digital Subtraction Angiography(DSA)
Everflex® self-expanding peripheral stent system, Percutaneous Transluminal Angioplasty (PTA), Digital Subtraction Angiography(DSA)
Eligibility Criteria
You may qualify if:
- Age 18-85 years old, male or female;
- The target lesion is located in the superficial femoral artery or the proximal popliteal artery;
- Peripheral arterial stenosis or occlusive disease with symptoms consistent with the Rutherford classification 2 to 5;
- Estimated life expectancy \>1 year;
- Subject has been informed of and understands the nature of the study and provides signed informed consent to participate in the study.
- Stenosis rate ≥70% under DSA by visual estimate, or 100% occluded lesion with a total lesion length less than 150mm (by visual estimate);
- Reference vessel diameter is between 3 mm and 7.5 mm, 50mm≤Total cumulative length of target lesions≤250mm; (In the case of bilimb lesions, a single target lesion with one limb meeting the protocol criteria is selected by the investigator; More than 2cm between lesions are considered as 2 lesions);
- After PTA treatment by DCB, there exists residual lesions, such as the target lesion has over 30% residual DS and/or presence of at least one post-PTA dissection (Type A-F) (by visual estimate);
- Patients with unobstructed inflow tract or successfully treated, visual residual stenosis ≤50%;
- Angiography showed at least one outflow tract was unobstructed at the distal end (Stenosis degree ≤70% before intervention).
You may not qualify if:
- Target vessel had undergone open surgery such as bypass surgery or the target lesion is in-stent restenosis;
- Patients with serum creatinine \>2.5mg/dl during screening or undergoing long-term hemodialysis or peritoneal dialysis;
- Severe coagulation disorder;
- Patients with major vascular-related diseases, including acute lower extremity ischemia, active disseminated intravascular coagulation, thromboangiitis obliterans, deep vein thrombosis, and aneurysms of therapeutic lateral vessels (deep femur, superficial femur, or popliteal artery);
- A history of major organ failure or other serious illness (including severe coronary heart disease, severe cardiac insufficiency, severe neurosis, or mental illness); Have received or plan organ transplantation, severe gastrointestinal bleeding);
- Myocardial infarction or symptomatic stroke occurred within 3 months prior to enrollment;
- Thrombolysis of target vessel within 72 hours before surgery, did not completely dissolve the thrombus;
- Systemic infection or uncontrolled infection within the target limb;
- Known allergy to contrast agents, nickel or titanium (Nitinol), heparin, aspirin, clopidogrel, anesthetics;
- Women who are pregnant or breast-feeding, or women of childbearing age who have family plans within 1 year;
- Patients who are planning to have major lower limb amputations on the target side of the lesion;
- Endovascular or surgical procedures are performed on the target limb within 30 days before or 30 days after surgery;
- Participating in clinical trials of other medical devices or drugs;
- The investigator considers the patient is not suitable for participation in the clinical trial.
- Failure of the guidewire to pass through the lesion;
- +5 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (12)
Beijing Friendship Hospital, Capital Medical University
Beijing, Beijing Municipality, China
The First Affiliated Hospital of Chongqing Medical University
Chongqing, Chongqing Municipality, China
The Second Hospital of Hebei Medical University
Shijiazhuang, Hebei, China
First Affiliated Hospital of Zhengzhou University
Zhengzhou, Henan, China
Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology
Wuhan, Hubei, China
Nanjing Drum Tower Hospital
Nanjing, Jiangsu, China
Affiliated Hospital of Nantong University
Nantong, Jiangsu, China
Renji Hospital, Shanghai Jiao Tong University School of Medicine
Shanghai, Shanghai Municipality, China
The Affiliated Hospital of Southwest Medical University
Luzhou, Sichuan, China
The First Affiliated Hospital, Zhejiang University School of Medicine
Hangzhou, Zhejiang, China
Hospital of Chengdu University of TCM
Chengdu, China
Shanghai East Hospital
Shanghai, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 29, 2024
First Posted
August 6, 2024
Study Start
June 4, 2024
Primary Completion (Estimated)
December 4, 2026
Study Completion (Estimated)
December 31, 2026
Last Updated
August 6, 2024
Record last verified: 2024-07