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

Primary Purpose

Peripheral Vascular Disease

Status
Unknown status
Phase
Phase 2
Locations
Netherlands
Study Type
Interventional
Intervention
PTA with placement of paclitaxel-eluting stent
PTA
Sponsored by
Netherlands Society for Interventional Radiology
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Peripheral Vascular Disease focused on measuring Critical Limb Ischemia, Stents, Drug Eluting Stents, Peripheral arterial disease, PAD, Paclitaxel, TAXUS, Infrapopliteal, Infragenicular, Interventional Radiology, CLI, DES

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

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

Sites / Locations

  • Sint Antonius Ziekenhuis
  • HagaZiekenhuis, location Leyweg
  • University Medical Center Utrecht (UMCU)

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Active Comparator

Arm Label

1

2

Arm Description

PTA with primary placement of Drug (paclitaxel) Eluting Stent

PTA

Outcomes

Primary Outcome Measures

The primary endpoint will be primary patency of the treated site at 6 months. Primary patency is defined as <50% loss of luminal diameter at the treated site on CT arteriography (CTA) without re-intervention in the interim.

Secondary Outcome Measures

Primary patency of the treated sites at 3, 6 and 12 months after intervention assessed by duplex sonography (binary patency, <50% stenosis defined as PSV ratio <2.0)
Clinical evaluation of the treated ischemic leg at 3, 6 and 12 months.
Major amputation (at or above the ankle) of the trial leg at 3, 6 and 12 months
Minor amputation (below the ankle excluding the toes) of the trial leg at 3, 6 and 12 months.
Infrapopliteal surgical bypass of the trial leg at 3, 6 and 12 months.
Infrapopliteal endovascular re-intervention of the trial leg at 3, 6 and 12 months.
Peri-procedural (within 30 days) complications.
Death.
Clinical assessment primarily by Rutherford score for peripheral arterial disease
Clinical assessment outpatient clinic
Target lesion patency by means of duplex sonography
During outpatient clinic visits
Major amputation (at or above the ankle) of treated limb
Assessment up to 5 years after treatment during outpatient clinic visits From 5 to 10 years by means of yearly evaluation of patient charts
Minor amputation (below the ankle excluding the toes) of the trial leg at 3, 6 and 12 months.
From 2 to 5 years during outpatient clinic visits From 5 to 10 years yearly evaluation of patient charts
Endovascular or surgical re-intervention of target lesion
Follow-up until first re-intervention of target lesion

Full Information

First Posted
May 7, 2007
Last Updated
September 15, 2020
Sponsor
Netherlands Society for Interventional Radiology
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1. Study Identification

Unique Protocol Identification Number
NCT00471289
Brief Title
PTA and Drug Eluting Stents for Infrapopliteal Lesions in Critical Limb Ischemia
Acronym
PADI
Official Title
Percutaneous Transluminal Balloon Angioplasty (PTA) and Drug Eluting Stents for Infrapopliteal Lesions in Critical Limb Ischemia
Study Type
Interventional

2. Study Status

Record Verification Date
September 2020
Overall Recruitment Status
Unknown status
Study Start Date
August 2007 (undefined)
Primary Completion Date
September 2013 (Actual)
Study Completion Date
March 2023 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Netherlands Society for Interventional Radiology

4. Oversight

Data Monitoring Committee
No

5. Study Description

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.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Peripheral Vascular Disease
Keywords
Critical Limb Ischemia, Stents, Drug Eluting Stents, Peripheral arterial disease, PAD, Paclitaxel, TAXUS, Infrapopliteal, Infragenicular, Interventional Radiology, CLI, DES

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 2, Phase 3
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
144 (Actual)

8. Arms, Groups, and Interventions

Arm Title
1
Arm Type
Experimental
Arm Description
PTA with primary placement of Drug (paclitaxel) Eluting Stent
Arm Title
2
Arm Type
Active Comparator
Arm Description
PTA
Intervention Type
Device
Intervention Name(s)
PTA with placement of paclitaxel-eluting stent
Intervention Description
PTA with placement of paclitaxel-eluting stent
Intervention Type
Device
Intervention Name(s)
PTA
Intervention Description
PTA
Primary Outcome Measure Information:
Title
The primary endpoint will be primary patency of the treated site at 6 months. Primary patency is defined as <50% loss of luminal diameter at the treated site on CT arteriography (CTA) without re-intervention in the interim.
Time Frame
6 months
Secondary Outcome Measure Information:
Title
Primary patency of the treated sites at 3, 6 and 12 months after intervention assessed by duplex sonography (binary patency, <50% stenosis defined as PSV ratio <2.0)
Time Frame
3, 6, 12 months
Title
Clinical evaluation of the treated ischemic leg at 3, 6 and 12 months.
Time Frame
3, 6, 12 months
Title
Major amputation (at or above the ankle) of the trial leg at 3, 6 and 12 months
Time Frame
3, 6, 12 months
Title
Minor amputation (below the ankle excluding the toes) of the trial leg at 3, 6 and 12 months.
Time Frame
3, 6, 12 months
Title
Infrapopliteal surgical bypass of the trial leg at 3, 6 and 12 months.
Time Frame
3, 6, 12 months
Title
Infrapopliteal endovascular re-intervention of the trial leg at 3, 6 and 12 months.
Time Frame
3, 6, 12 months
Title
Peri-procedural (within 30 days) complications.
Time Frame
30 days
Title
Death.
Time Frame
3, 6, 12 months
Title
Clinical assessment primarily by Rutherford score for peripheral arterial disease
Description
Clinical assessment outpatient clinic
Time Frame
2, 3, 4 and 5 years after treatment
Title
Target lesion patency by means of duplex sonography
Description
During outpatient clinic visits
Time Frame
2, 3, 4 and 5 years after treatment
Title
Major amputation (at or above the ankle) of treated limb
Description
Assessment up to 5 years after treatment during outpatient clinic visits From 5 to 10 years by means of yearly evaluation of patient charts
Time Frame
yearly up to 10 years after treatment
Title
Minor amputation (below the ankle excluding the toes) of the trial leg at 3, 6 and 12 months.
Description
From 2 to 5 years during outpatient clinic visits From 5 to 10 years yearly evaluation of patient charts
Time Frame
yearly up to 10 years after treatment
Title
Endovascular or surgical re-intervention of target lesion
Description
Follow-up until first re-intervention of target lesion
Time Frame
3, 6, 12 months, 2,3,4 and 5 years after inclusion

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
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
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Hans Van Overhagen, MD PhD
Organizational Affiliation
HagaZiekenhuis Dept. of Radiology
Official's Role
Principal Investigator
Facility Information:
Facility Name
Sint Antonius Ziekenhuis
City
Nieuwegein
State/Province
Utrecht
Country
Netherlands
Facility Name
HagaZiekenhuis, location Leyweg
City
The Hague
State/Province
ZH
ZIP/Postal Code
2545CH
Country
Netherlands
Facility Name
University Medical Center Utrecht (UMCU)
City
Utrecht
ZIP/Postal Code
3584 CX
Country
Netherlands

12. IPD Sharing Statement

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

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