Catheter-based stem cell and gene therapy for refractory myocardial ischemia

Shmuel Fuchs, Alexander Battler, Ran Kornowski

Research output: Contribution to journalArticlepeer-review

Abstract

Intramyocardial delivery of genes and cells derived from bone marrow has been evaluated in several small studies of 'no-option' symptomatic patients with chronic ischemic coronary artery disease. Clinical experience with intramyocardial gene delivery is limited to genes encoding isoforms of vascular endothelial cell growth factor. In the largest study (Euroinject One), 80 patients were randomized to receive a plasmid encoding vascular endothelial cell growth factor 165 or placebo. The results of this study suggested no beneficial therapeutic effect of this strategy. The experience with stem cells is limited to use of autologous, nonexpanded, nonmanipulated bone-marrow-derived cells; thus, the number of injected stem cells reflects their natural proportion within the bone marrow. The results of these preliminary studies suggest this approach is feasible and has a high safety profile. Although no conclusion can yet be made regarding efficacy, the improved myocardial perfusion in all four studies described in this Review is encouraging. Data from assessments of individual patients, however, suggests a wide variability in response, underscoring the need for further bench and clinical investigations.

Original languageEnglish
Pages (from-to)S89-S95
JournalNature Clinical Practice Cardiovascular Medicine
Volume4
Issue numberSUPPL. 1
DOIs
StatePublished - Feb 2007
Externally publishedYes

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