Stem Cell Study for Patients With Leg Ulcer/Gangrene

Status Completed

Clinical Trial Summary

The purpose of this study is to determine if stem cell therapy with one's own cells (autologous cells) delivered intramuscularly to one's leg with ulcer and/or gangrene due to poor blood flow will be safe and if it will relieve leg pain, increase blood flow, and/or cure the leg wound.

Clinical Trial Description

Chronic critical limb ischemia (CLI) is a progressive disease, which arises as a result of atherosclerosis or vasculitis in leg arteries. Prognosis of chronic CLI is poor, and no effective treatments have been established in patients who are not eligible for the traditional revascularization therapies such as angioplasty and bypass procedures due to the inappropriate anatomy of the leg arteries or frequent reocclusion following revascularization. Therefore, it is necessary to establish novel revascularization treatment to improve prognosis of the no-option patients. We will study the safety and clinical efficiency of vascular regeneration by means of transplantation of autologous peripheral blood endothelial progenitor cells (CD34 positive cells) in patients with chronic CLI who are not eligible for traditional revascularization treatments. The primary endpoint is the primary efficacy score identified by toe brachial blood pressure index (TBPI), absolute claudication distance (ACD) and Wong Baker's pain rating scale, while the secondary endpoints are evaluation of safety, ankle brachial blood pressure index (ABPI), percutaneous tissue oxygen pressure (TcPO2), etc. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00221143
Study type	Interventional
Source	Translational Research Informatics Center, Kobe, Hyogo, Japan
Contact
Status	Completed
Phase	Phase 1/Phase 2
Start date	November 2003
Completion date	January 2008

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