A dual nanoparticle delivery strategy for enhancing drug distribution in cancerous tissue


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Nanoparticle-mediated drug delivery may be a promising alternative to traditional chemo-therapy of high systemic toxicity. Tumor tissue architecture poses a challenge to delivery of nanoparticles. Small and spherical nanoparticles have poor adherence to the tumor vasculature, while larger and more eccentric ones create high heterogeneity in tissue-to-drug exposure. In previous work, we quantified these tradeoffs using numerical optimization. In this study, we demonstrate that simultaneous delivery of multiple nanoparticle designs can enhance drug distribution in the cancerous tissue without compromising nanoparticle tumoral accumulation. We formulate and solve optimization problems to find the optimal constituent of the heterogenous injection in terms of nanoparticle design diversity that increases drug distribution by 14%.

, 11 pages

This cahier was revised in October 2019

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ASME Journal of Biomechanical Engineering, 142(12), page 124501 , 2020 BibTeX reference