PTA and Drug Eluting Stents for Infrapopliteal Lesions in Critical Limb Ischemia

NCT ID: NCT00471289

Last Updated: 2020-09-16

Basic Information

• Recruitment Status: UNKNOWN
• Clinical Phase: PHASE2/PHASE3
• Total Enrollment: 144 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2007-08-31
• Study Completion Date: 2023-03-31

Brief Summary

The purpose of this study is to investigate the performance of paclitaxel-coated balloon expandable stainless steel coronary stent for the treatment of infrapopliteal stenoses and occlusions in patients with critical limb ischemia compared to percutaneous transluminal balloon angioplasty (PTA).

Detailed Description

Critical limb ischemia (CLI) is a serious condition that is becoming more and more common in the western world due to the growing percentage of elderly in the population and the rising incidence of diabetes. In about 40% of patients a stenosis or occlusion in the arteries below the level of the knee will be present. Restoration of blood flow is imperative to allow pain relief and tissue healing. Without revascularization patients with CLI are at risk for limb loss and potentially fatal complications such as sepsis.

In patients treated with percutaneous transluminal balloon angioplasty (PTA)significant restenosis is found in approximately 50% after 6 months.

In interventional cardiology a significant reduction in restenosis rates in coronary arteries has been found using drug eluting stents (DES), including the paclitaxel eluting stent (TAXUS, Boston Scientific). DES locally deliver drugs (e.g. paclitaxel) that interfere with the restenosis process.

Using DES in treating below the knee (infrapopliteal) arterial lesions in patients with CLI may improve patency and clinical outcome.

Comparison:

Treatment of below the knee arterial lesions in patients with CLI with PTA and DES compared to only PTA.

Conditions

Peripheral Vascular Disease

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

1

PTA with primary placement of Drug (paclitaxel) Eluting Stent

Group Type: EXPERIMENTAL

PTA with placement of paclitaxel-eluting stent

Intervention Type: DEVICE

PTA with placement of paclitaxel-eluting stent

2

PTA

Group Type: ACTIVE_COMPARATOR

PTA

Intervention Type: DEVICE

PTA

Interventions

PTA with placement of paclitaxel-eluting stent

PTA with placement of paclitaxel-eluting stent

Intervention Type: DEVICE

PTA

PTA

Intervention Type: DEVICE

Eligibility Criteria

Inclusion Criteria

• Written informed consent
• Age > 18 years
• If female patient with child bearing potential, patient may not be pregnant at the study entry and must utilize reliable birth control for the duration of her participation into the study
• Patient is willing and able to comply with the specified follow-up evaluation
• Critical Limb Ischaemia, this is Fontaine stage III (ischaemic rest pain) and IV (ischaemic ulcers or gangrene) or Rutherford category 4 (ischaemic rest pain), 5 (minor tissue loss) or 6 (major tissue loss)
• Stenotic (>50% luminal loss) or occluded infrapopliteal artery, including the tibiofibular trunk, the anterior tibial artery, the posterior tibial artery and the peroneal artery, with a lesion length ≤ 60 mm
• Artery to be treated with a diameter more tham or equal to 2mm and less than or equal to 4mm
• Patent common iliac, external iliac, superficial femoral and popliteal artery on the ipsilateral side prior to randomisation, possibly after treatment during the same session
• At least one patent crural (anterior tibial, posterior tibial or peroneal) artery with expected unobstructed runoff to ankle level after treatment

Exclusion Criteria

• Acute limb ischaemia
• Subacute limb ischaemia which requires thrombolysis as first treatment modality
• Active bleeding or bleeding diathesis
• Recent (less than 3 months) hemorrhagic stroke or other any other CNS abnormality with increased risk of haemorrhage, such as intracranial neoplasm, arteriovenous malformation, intracranial aneurysm or aneurysm repair
• Gastrointestinal or genitourinary bleeding of clinical significance within the previous 6 weeks before treatment
• Aneurysm in common femoral, superficial femoral or popliteal artery on the ipsilateral side
• Revascularization involving the same limb within 30 days prior to the index procedure or planned revascularization of the same limb within 30 days of the index procedure
• Previous implanted stent at the index site
• Life expectancy of less than 6 months or other factors making clinical follow-up difficult
• Known allergy to acetylsalicylic acid (aspirin), clopidogrel, heparin or paclitaxel
• Known allergy to contrast media
• Known heparin induced thrombocytopenia (HIT type 2)
• Patient unable or unwilling to tolerate anticoagulant, anti-platelet therapy or contrast media
• Creatinine clearance < 20 ml/min (as derived from Cockcroft-Gault or MDRD formula)unless patient is on hemodialysis
• Aneurysm in common femoral, superficial femoral or popliteal artery on the ipsilateral side
• Severely calcified lesions with expected resistance to stenting
• Poor inflow due to ipsilateral stenoses or occlusions of the iliac or femoropopliteal arteries that cannot be treated during the same session
• Significant vessel tortuosity or other parameters prohibiting access to the lesions and/or delivery of the stent
• Patients without (expected) distal runoff to the index site
• Previous implanted stent at the index site

• Minimum Eligible Age: 18 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Netherlands Society for Interventional Radiology

OTHER

Sponsor Role: lead

Responsible Party

H. van Overhagen MD PhD

Radiologist Haga Teaching Hospital The Hague

Responsibility Role: PRINCIPAL_INVESTIGATOR

Principal Investigators

Hans Van Overhagen, MD PhD

Role: PRINCIPAL_INVESTIGATOR

HagaZiekenhuis Dept. of Radiology

Locations

HagaZiekenhuis, location Leyweg

The Hague, South Holland, Netherlands

Sint Antonius Ziekenhuis

Nieuwegein, Utrecht, Netherlands

University Medical Center Utrecht (UMCU)

Utrecht, , Netherlands

Countries

Netherlands

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Other Identifiers

PADI/200601

Identifier Type: -

Identifier Source: org_study_id