Tumor resistance to vascular disrupting agents: mechanisms, imaging, and solutions

  • Liang W
  • Ni Y
  • Chen F
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Abstract

The emergence of vascular disrupting agents (VDAs) is a significant advance in the treatment of solid tumors. VDAs induce rapid and selective shutdown of tumor blood flow resulting in massive necrosis. However, a viable marginal tumor rim always remains after VDA treatment and is a major cause of recurrence. In this review, we discuss the mechanisms involved in the resistance of solid tumors to VDAs. Hypoxia, tumor-associated macrophages, and bone marrow-derived circulating endothelial progenitor cells all may contribute to resistance. Resistance can be monitored using magnetic resonance imaging markers. The various solutions proposed to manage tumor resistance to VDAs emphasize combining these agents with other approaches including antiangiogenic agents, chemotherapy, radiotherapy, radioimmunotherapy, and sequential dual-targeting internal radiotherapy.

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Liang, W., Ni, Y., & Chen, F. (2016). Tumor resistance to vascular disrupting agents: mechanisms, imaging, and solutions. Oncotarget, 7(13). https://doi.org/10.18632/oncotarget.6999

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