The efficacy of cancer chemotherapy can be greatly enhanced by thermally targeted nanoparticle liposome drug delivery system. A new theoretical model coupling heat and mass transfer has been developed to study the spatial and transient drug distributions. In this model, the influence of tumor cell apoptosis and necrosis in drug transport is also considered, in addition to the tumor microvasculature permeability to nanoliposomes. The model predictions agree well with our previous experimental results, and it has been used to simulate the nanoparticle drug distribution in the tumor under hyperthermic conditions. Results show that hyperthermia alone only enhances drug accumulation in the periphery of a tumor with 1 cm in radius, and the tumor cells in the central region are hardly damaged due to poor drug diffusion. Apoptosis or necrosis of the tumor cells could significantly influence the drug penetration and should be accounted for in drug diffusion modeling to accurately predict the therapeutic effect. Simulation study on the combined radio frequency ablation and liposomal doxorubicin delivery shows more effective treatment outcome, especially for larger tumors. The present model can be used to predict the treatment outcome and optimize the clinical protocol.
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Micro/Nanoscale Heat Transfer—Part Ii
Numerical Study of Thermally Targeted Liposomal Drug Delivery in Tumor
Aili Zhang,
Aili Zhang
Department of Biomedical Engineering,
Shanghai Jiao Tong University
, Shanghai 200240, P.R. China
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Xipeng Mi,
Xipeng Mi
Department of Biomedical Engineering,
Shanghai Jiao Tong University
, Shanghai 200240, P.R. China
Search for other works by this author on:
Geer Yang,
Geer Yang
Department of Biomedical Engineering,
Shanghai Jiao Tong University
, Shanghai 200240, P.R. China
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Lisa X. Xu
Lisa X. Xu
Department of Biomedical Engineering, and Med-X Research Institute,
Shanghai Jiao Tong University
, Shanghai 200240, P.R. China
Search for other works by this author on:
Aili Zhang
Department of Biomedical Engineering,
Shanghai Jiao Tong University
, Shanghai 200240, P.R. China
Xipeng Mi
Department of Biomedical Engineering,
Shanghai Jiao Tong University
, Shanghai 200240, P.R. China
Geer Yang
Department of Biomedical Engineering,
Shanghai Jiao Tong University
, Shanghai 200240, P.R. China
Lisa X. Xu
Department of Biomedical Engineering, and Med-X Research Institute,
Shanghai Jiao Tong University
, Shanghai 200240, P.R. ChinaJ. Heat Transfer. Apr 2009, 131(4): 043209 (10 pages)
Published Online: February 24, 2009
Article history
Received:
September 9, 2008
Revised:
December 9, 2008
Published:
February 24, 2009
Citation
Zhang, A., Mi, X., Yang, G., and Xu, L. X. (February 24, 2009). "Numerical Study of Thermally Targeted Liposomal Drug Delivery in Tumor." ASME. J. Heat Transfer. April 2009; 131(4): 043209. https://doi.org/10.1115/1.3072952
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