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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00640770
Other study ID # EE06-02
Secondary ID
Status Completed
Phase Phase 4
First received March 14, 2008
Last updated March 14, 2011
Start date March 2008
Est. completion date January 2011

Study information

Verified date March 2011
Source Cordis Corporation
Contact n/a
Is FDA regulated No
Health authority Germany: German Institute of Medical Documentation and Information
Study type Interventional

Clinical Trial Summary

The primary objective of this study is to compare the performance of the CYPHER SELECTTM + Sirolimus-eluting Balloon-expandable Coronary and Infrapopliteal Stent over balloon angioplasty in de novo and restenotic native below the knee tibioperoneal, anterior and/or posterior tibial and/or peroneal arterial lesions in a prospective, multicenter, randomized clinical study.


Description:

This is a multicenter, prospective, randomized study to be conducted in 18 centers in Europe. A total of 200 subjects will be entered into the study and will be randomized on a 1:1 basis to either balloon angioplasty or the CYPHER SELECTTM + Coronary and Infrapopliteal Stent for infrapopliteal use in subjects with symptomatic peripheral artery disease (Rutherford 3, 4, or 5).

All subjects will undergo a repeat angiography at 12 months to assess the primary endpoint of In-Segment Binary Restenosis. Follow-up visits are scheduled at 6 weeks, 6 and 12 months.


Recruitment information / eligibility

Status Completed
Enrollment 200
Est. completion date January 2011
Est. primary completion date January 2011
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 85 Years
Eligibility Inclusion Criteria:

- Subject must be >= 18 and <= 85 years old;

- Female of childbearing potential must have a negative pregnancy test within 10 days prior to index procedure and utilize reliable birth control until completion of the 12-month angiographic evaluation;

- Clinical diagnosis of symptomatic critical limb ischemia as defined by Rutherford 3, 4, or 5;

- Single treatment of de novo or restenotic (after PTA only) lesion(s) in the tibioperoneal trunk, anterior and/or posterior tibial and/or peroneal artery;

- A maximum of 2 vessels in 1 limb may be treated in the study, each vessel for only 1 target lesion, resulting in at single risk target lesion(s); In case 1 target lesion is located in the Tibioperoneal trunk, the 2nd target lesion (if applicable) can only be located in the anterior tibial artery; Additional non-target lesion(s) in remaining non-target vessel(s) can be treated at the physician's discretion by means of balloon dilation (± bail-out stenting);

- The sum of the total length of both target lesions can be maximum 120 mm;

- In total a maximum of 4 stents may be implanted to fully cover the maximum of 2 target lesions per subject;

- Target vessel is >= 2.5 and <= 3.5 mm in diameter (visual estimate);

- Target lesion stenosis is >70% diameter stenosis (visual estimate);

- Guidewire must be across the first (if applicable) target lesion and located intraluminally within the distal vessel before study randomization;

- Willing to comply with the specified follow-up evaluation;

- Written informed consent prior to any study procedures.

Exclusion Criteria:

- Significant (>50%) stenoses distal to the target lesion that might require revascularization, or impede runoff;

- Angiographic evidence of thrombus within target vessel;

- Thrombolysis within 72 hours prior to the index procedure;

- Lesions not suitable for stenting;

- Lesions (defined as stenosis > 75%) in the common or external iliac, common or superficial femoral and popliteal artery. However, intervention in TASC A and B lesions (max. 15cm) to restore adequate blood flow, in the same index procedure is allowed. This intervention must be prior to the treatment of the study lesion(s) and successful;

- Lesions located at the bifurcation requiring treatment of both branches (1 in main branch and 1 in side branch);

- Required stent placement across or within 1 cm of the knee joint; in an artery subject to external compression, or in an artery directly subject to movement of the ankle or knee joint;

- Prior stent(s) within the target vessel(s);

- Aneurysm in the SFA or popliteal artery;

- Requiring popliteal arterial access;

- Concomitant hepatic insufficiency, thrombophlebitis, deep venous thrombus, coagulation disorder or receiving immunosuppressant therapy;

- Recent MI or stroke < 30 days prior to the index procedure;

- Coronary intervention < 30 days prior to the index procedure;

- Life expectancy less than 12 months;

- Known or suspected active infection at the time of the index procedure, excluding an infection of a lower extremity wound of the target limb;

- Impaired renal function (creatinine > 2.5 mg/dl);

- Known or suspected allergies or contraindications to aspirin, clopidogrel bisulfate (PlavixÒ) and ticlopidine (Ticlidâ), heparin, stainless steel or contrast agent;

- The subject is currently taking Coumarin / Warfarin which, in the opinion of the investigator, interferes with the subject's participation in the study;

- Any significant medical condition which, in the investigator's opinion, may interfere with the subject's optimal participation in the study;

- The subject is currently participating in another investigational drug or device study that has not completed the primary endpoint or that clinically interferes with the endpoints of this study.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Intervention

Device:
balloon angioplasty
balloon angioplasty
drug eluting stent
Cypher Select+ Coronary or Infrapopliteal Stent

Locations

Country Name City State
Germany Universität Leipzig - Herzzentrum Leipzig

Sponsors (1)

Lead Sponsor Collaborator
Cordis Corporation

Country where clinical trial is conducted

Germany, 

Outcome

Type Measure Description Time frame Safety issue
Primary In-Segment Binary Restenosis 12-months No
Secondary Mean percent diameter stenosis (%DS) and minimal lumen diameter (MLD) measured by quantitative angiography post-procedure. 12 months No
Secondary In-segment late loss measured by quantitative angiography. 12 months No
Secondary In-stent late loss measured by quantitative angiography. 12 months No
Secondary Patency defined as detectable flow measured by Duplex Ultrasound. 6 weeks, 6 and 12 months No
Secondary Target Lesion Revascularization (TLR), and Target Vessel Revascularization (TVR). 6 weeks, 6 and 12 months; Yes
Secondary Assessment for stent fractures by X-Ray. 12 months No
Secondary Device Success defined as achievement of a final residual diameter stenosis of <30% (by QA), using the assigned device only. post procedure No
Secondary Lesion Success defined as achievement of <50% (by QA) residual stenosis using any percutaneous method. post procedure No
Secondary Procedural Success defined as achievement of final diameter stenosis of <50% (by QA) using any percutaneous method, without the occurrence of an SAE up to catheter sheath removal or subject leaving the cath lab, whichever is earlier. post procedure No
Secondary Procedural Complications defined as any adverse event from the time of arterial punction up to the moment of catheter sheath removal or subject leaving the cath lab, whichever is earlier. post procedure Yes
Secondary Serious Adverse Events At procedure up to discharge, 6 weeks, 6 and 12 months Yes
Secondary Rutherford classification At screening, 6 weeks, 6 and 12 months No
Secondary Ankle Brachial Index measured At screening, 6 weeks, 6 and 12 months No
Secondary Amputation 6 weeks, 6 and 12 months Yes
Secondary Quality of Life assessment. 6 weeks, 6 and 12 months No
Secondary Wound status of index limb (if applicable) due to CLI measured by digital photography, depth/length/width measurements, infection and wound closure status. screening, 6 weeks, 6 and 12 months No
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