Efficacy and Safety of the Regulatory Polypeptides in Patients With Peripheral Atherosclerosis.

The patients will undergo treatment with a drug based on vascular polypeptides Slavinorm®, a derivative from cattle vessels, registered in Russia for the treatment of patients with peripheral atherosclerotic occlusive disease.

The patients with undergo an arterial revascularization - Femoral-popliteal bypass grafting with a synthetic graft above the knee

The patients will undergo routine conservative treatment as per clinical guidelines (acetylsalicylic acid 100mg daily, atorvastatin 20mg daily)