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Proceedings Article

Comparison of iron oxide nanoparticle and microwave hyperthermia alone or combined with cisplatinum in murine breast tumors

[+] Author Affiliations
Alicia A. Petryk, Robert V. Stigliano, B. S. Trembly

Thayer School of Engineering, Dartmouth College (USA)

Andrew J. Giustini, P. Jack Hoopes

Thayer School of Engineering, Dartmouth College (USA) and Dartmouth Medical School (USA)

Rachel E. Gottesman

Carleton College (USA)

Peter A. Kaufman

Dartmouth-Hitchcock Medical Center (USA)

Proc. SPIE 7901, Energy-based Treatment of Tissue and Assessment VI, 790119 (February 22, 2011); doi:10.1117/12.876535
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From Conference Volume 7901

  • Energy-based Treatment of Tissue and Assessment VI
  • Thomas P. Ryan
  • San Francisco, California, USA | January 22, 2011

abstract

Surgery, radiation and chemotherapy are currently the most commonly used cancer therapies. Hyperthermia has been shown to work effectively with radiation and chemotherapy cancer treatments. The major obstacle faced by previous hyperthermia techniques has been the inability to deliver heat to the tumor in a precise manner. The ability to deliver cytotoxic hyperthermia to tumors (from within individual cells) via iron oxide magnetic nanoparticles (mNP) is a promising new technology that has the ability to greatly improve the therapeutic ratio of hyperthermia as an individual modality and as an adjuvant therapy in combination with other modalities. Although the parameters have yet to be conclusively defined, preliminary data suggests mNP hyperthermia can achieve greater cytotoxicity (in vitro) than conventional water bath hyperthermia methods. At this time, our theory is that intracellular nanoparticle heating is more effective in achieving the combined effect than extracellular heating techniques.1 However, understanding the importance of mNP association and uptake is critical in understanding the potential novelty of the heating modality. Our preliminary data suggests that the mNP heating technique, which did not provide time for particle uptake by the cells, resulted in similar efficacy to microwave hyperthermia. mNP hyperthermia/cisplatinum results have shown a tumor growth delay greater than either modality alone at comparable doses.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Alicia A. Petryk ; Robert V. Stigliano ; Andrew J. Giustini ; Rachel E. Gottesman ; B. S. Trembly, et al.
"Comparison of iron oxide nanoparticle and microwave hyperthermia alone or combined with cisplatinum in murine breast tumors", Proc. SPIE 7901, Energy-based Treatment of Tissue and Assessment VI, 790119 (February 22, 2011); doi:10.1117/12.876535; http://dx.doi.org/10.1117/12.876535


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