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Keywords:

  • angiogenesis;
  • Ewing sarcoma;
  • vascular endothelial growth factor;
  • bevacizumab;
  • thrombospondin

Abstract

Ewing sarcoma is the second most common type of bone cancer in children and young adults. In recent years, the mechanisms by which these tumors develop and maintain their vascular supply have been elucidated. Additional work has demonstrated that inhibition of angiogenic pathways or disruption of established vasculature can attenuate the growth of Ewing sarcoma mouse xenografts. Early clinical data suggest that these results also may extend to patients with Ewing sarcoma who are treated with antiangiogenic or antivascular therapies. For the current review, the authors summarized the available data supporting this approach. Cancer 2010. © 2009 American Cancer Society.