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Stem Cell Mobilization by G-CSF to Treat Severe Peripheral Artery Disease

2014-08-27 03:26:02 | BioPortfolio

Summary

This study is designed to test the use of G-CSF in peripheral vascular disease. The investigators hypothesize that mobilization of angiogenic cells into the blood by granulocyte colony stimulating factor (G-CSF) may stimulate the formation of new blood vessels and result in a sustained improvement in blood flow in patients with severe peripheral arterial disease.

Description

One fourth of patients with peripheral artery disease (PAD) of the lower extremities have severe symptomatic disease and 1-2% have critical limb ischemia (CLI). In patients with CLI, the risk of limb amputation at 1 year is 50%. In addition, patients with CLI often have rest pain, non-healing ulcers and severe limitations of ambulation. Revascularization procedures, including bypass surgery, percutaneous transluminal angioplasty and angioplasty with stenting, are currently the only treatment options. However, many patients are not eligible for a revascularization procedure due to small vessel disease or coexisting medical problems. Moreover, restenosis rates are high.

There is currently no effective non-invasive treatment for critical limb ischemia. We hypothesize that mobilization of angiogenic cells into the blood by granulocyte colony stimulating factor (G-CSF) may stimulate angiogenesis in areas of ischemia and result in a sustained improvement in blood flow in patients with severe PAD.

Study Design

Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Conditions

Peripheral Vascular Diseases

Intervention

G-CSF, Placebo, Aspirin, Clopidogrel

Location

Washington University School of Medicine
St. Louis
Missouri
United States
63110

Status

Recruiting

Source

Washington University School of Medicine

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:26:02-0400

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Medical and Biotech [MESH] Definitions

Obstruction of the flow in the SPLANCHNIC CIRCULATION by ATHEROSCLEROSIS; EMBOLISM; THROMBOSIS; STENOSIS; TRAUMA; and compression or intrinsic pressure from adjacent tumors. Rare causes are drugs, intestinal parasites, and vascular immunoinflammatory diseases such as PERIARTERITIS NODOSA and THROMBOANGIITIS OBLITERANS. (From Juergens et al., Peripheral Vascular Diseases, 5th ed, pp295-6)

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