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NCT Number: NCT01718288

Optimization of Treatment in Patients With Severe Peripheral Ischemia (Fontaine Stage IIb)

Evaluate the possibility of optimization of therapy with prostanoids (iloprost), in patients with Fontaine's stage IIb severe chronic ischemia, both in patients eligible for surgery both in patients for which it is only possible medical therapy

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Key information

Conditions

Peripheral Arterial Disease Arterial Occlusive Diseases Arteriosclerosis Atherosclerosis Cardiovascular Diseases Peripheral Vascular Diseases Vascular Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 4

Primary location

Angiology, Hospital "G. Fucito", Mercato San Severino, Salerno, Italy

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About this study

The management of patients with peripheral arterial disease (PAD) stage IIb and pain-free walking distance (PFWD) less than 100 meters is a major clinical problem, in view of the significant cooling of the quality of life and evolution often severe that characterizes the clinical course of these patients. Revascularization Surgery is the treatment of choice, but about half of patients with severe PAD IIb is not eligible for surgery or endovascular treatment. The usefulness of use of vasodilators or hemorheological is controversial, and medical treatment of these patients is therefore heterogeneous understanding the various pharmacologic options (for the correction of risk factors, prevention of cardiovascular events, improvement of claudication), and rehabilitative programs. Iloprost, a synthetic analogue of prostacyclin, is effective in the treatment of patients with chronic critical ischemia, and its pharmacological profile (effective vasodilator, anti-platelet, and leukocyte activation) is particularly suitable to modulate multiple components pathogenesis of peripheral arterial disease. Specifically, in the treatment of patients with PAD IIb severe, the current state is available only a retrospective study that compared the use of iloprost with that of vasodilators. Aim of the study FADOI-2bPILOT is to evaluate prospectively and for an observation period of 13 months, if you can get a benefit on the pain-free walking distance and on clinical outcome from "anticipated" and additional use of iloprost, in patients with severe IIb stage PAD treated according to current "best medical practice".

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

age > 18 years; pain-free walking distance (PFWD) <100 meters on two occasions 10 days apart, with <25% difference between each other; ankle blood pressure (BP) <70 mmHg; big toe BP < 30 mmHg (in case of diabetic patient).

Exclusion criteria

pain at rest, trophic ulcers or gangrene (critical limb ischemia), if they were unable to cooperate, or one of the following conditions (contraindications or precautions for use of iloprost) was present: myocardial infarction or stroke in the previous 6 months; congestive heart failure NYHA class >II; unstable angina; uncontrolled severe arterial hypertension (systolic BP >180 mmHg or diastolic BP >110 mmHg) or hypotension (systolic BP <90 mmHg); hyperkinetic ventricular arrhythmia; acute pulmonary edema or pulmonary congestion; bleeding diathesis; platelet count <80,000 or > 500,000/mm3; renal failure requiring dialysis; liver cirrhosis; pregnancy or breast feeding; history of allergy, hypersensitivity or intolerance to iloprost or other prostanoids.

Treatment and study plan

ILOPROST

Drug

The study, consists of two substudies, which deal with patients susceptible to medical therapy alone (substudy 1) or treated with classical surgical therapy (substudy 2).

For each substudy, pts will be divided into two groups, one that will receive conventional treatments but not prostanoids, other conventional treatments with addition of iloprost.

The 4 groups:

1A. Pts unsuitable to surgical or endovascular vascular therapy: conventional treatment

  • B. Pts unsuitable to surgical or endovascular vascular therapy: treatment with iloprost plus conventional treatment
  • A. Pts suitable to vascular surgical or endovascular therapy: conventional treatment

2B. Pts suitable to vascular surgical or endovascular therapy: treatment with iloprost plus conventional treatment

Other names: ENDOPROST*0,05MG/0,5ML 1F

Standard Treatment (aspirin.....),

Drug

The standard treatment, as has already been explained in the submission is the best treatment that the guidelines suggest for that specific type of patient with those complications and with stage 2b severe PAD.

correction of concomitant risk factors, physical exercise, antiplatelet, standard heparin /low molecular weight heparin, hemorheological/vasodilators such as pentoxifylline/buflomedil, propionyl-L-carnitine, Defibrotide) but not prostanoids

Other names: aspirin, antiplatelet, statins,hemorheological/vasodilators

Primary outcomes

  1. Measure of PFWD(pain-free walking distance)in patients with 2b stage PAD

    Time frame: 13 months

    Aim of this multicenter, randomized, controlled study was prospectively evaluate the effects of iloprost, added to standard therapy, in patients with 2b stage PAD and PFWD (pain-free walking distance) less than 100 metres, eligible and non-eligible for surgical revascularization. A treadmill test 3-6-9-12 months (before iloprost cycle for patients group 1B and 2B). A final evaluation 13 months (for one month to the conclusion of the 12 months treatment of iloprost for patients group 1B and 2B, and after 13 months from enrolling for patients in the study group 1A and 2A)

Secondary outcomes

  1. Assessing changes in endurance

    Time frame: 13 months

    A clinical evaluation 3-6-9-12 months (before iloprost cycle for patients group 1B and 2B). A final evaluation 13 months (for one month to the conclusion of the 12 months treatment of iloprost for patients group 1B and 2B, and after 13 months from enrolling for patients in the study group 1A and 2A)

  2. The possible occurrence of major complications

    Time frame: 13 months

    The study reported the number of events during all the study (13 months). The major complication were: Ischemic cardiopathy, critical limb ischemia, cerebrovascular event, critical limb ischemia

  3. Quality of life

    Time frame: 13 months

    For the Quality of life, the study used a specific questionnaire administrated to all patients enrolled in the study (13 months of observation): IQOLA (International Quality of Life Assessment),SF-36 Italian Version 1.6

Sponsors and collaborators

Lead sponsor

Fadoi Foundation, Italy

Other

Registry information

Official study title

Optimization of Treatment in Patients With Severe Peripheral Ischemia (Fontaine Stage IIb), Unsuitable or Suitable to Surgical Revascularization / Endovascular With Reference to the Change of Pain-free Walking Distance and Other Endpoints

Acronym: 2bPILOT

Important dates

Study start
2006
Primary completion
2011
Study completion
2012
First posted
Oct 31, 2012
Registry last updated
Oct 31, 2012

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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