Diabetic Foot, Arterial Occlusive Disease, Ischemia
Conditions
Keywords
urokinase, diabetes, wound healing, major amputation
Brief summary
The purpose of this study is to evaluate whether a treatment with urokinase (500 000 or 1 000 000 IU) can lead to ulcer-healing, lower rate of major amputation, and prolonged survival in patients with diabetic foot syndrome.
Detailed description
Patients with diabetic foot ulceration and critical limb ischemia have a high risk of major amputation especially if limbs cannot be revascularized. Urokinase is effective in improving the microcirculation in critical limb ischemia by lowering fibrinogen and might improve outcomes. There are however no data on the efficacy and safety of urokinase treatment in terms of survival free of major amputation, ulcer healing and the rate of minor and major bleeding. Therefore this trial is conducted to investigate the effect of urokinase treatment on these parameters.
Interventions
Daily intravenous application of urokinase over 30 minutes Dosage: If plasma fibrinogen is \> 2,5g/l application of 1 000 000 IU Urokinase If plasma fibrinogen is \< 2,5g/l application of 500 000 IU Urokinase If plasma fibrinogen is \< 1,6g/l treatment must be stopped and continued after rising up to \>2g/l
Sponsors
Study design
Eligibility
Inclusion criteria
* angiopathic or angioneuropathic diabetic foot lesions * critical limb ischemia * no surgical or interventional treatment option
Exclusion criteria
* feasibility of vascular surgery or angioplasty * prior treatment of the current ulceration with urokinase * need for dialysis * creatinine \> 180µmol/l * any kind of cerebral event less than three months before inclusion into the study * proliferative retinopathy (not remediated) * uncontrolled hypertension * hemorrhagic diathesis * gastrointestinal bleeding * need for oral anticoagulation * mental disorders * pregnancy * participation in another study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of patients being alive, having no major amputation and healed ulceration | 12 months |
Secondary
| Measure | Time frame |
|---|---|
| Each of overall survival, major amputation rate, survival free of major amputation rate, rate of ulcer healing, and safety | 12 months |
Countries
Germany