Nanoparticle conjugates of a highly potent toxin enhance safety and circumvent platinum resistance in ovarian cancer

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Nanoparticle conjugates of a highly potent toxin enhance safety and circumvent platinum resistance in ovarian cancer

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Title: Nanoparticle conjugates of a highly potent toxin enhance safety and circumvent platinum resistance in ovarian cancer
Author: Qi, Ruogu; Wang, Yongheng; Bruno, Peter M.; Xiao, Haihua; Yingjie, Yu; Li, Ting; Lauffer, Sam; Wei, Wei; Chen, Qixian; Kang, Xiang; Song, Haiqin; Yang, Xi; Huang, Xing; Detappe, Alexandre; Matulonis, Ursula; Pepin, David; Hemann, Michael T.; Birrer, Michael J.; Ghoroghchian, P. Peter

Note: Order does not necessarily reflect citation order of authors.

Citation: Qi, R., Y. Wang, P. M. Bruno, H. Xiao, Y. Yingjie, T. Li, S. Lauffer, et al. 2017. “Nanoparticle conjugates of a highly potent toxin enhance safety and circumvent platinum resistance in ovarian cancer.” Nature Communications 8 (1): 2166. doi:10.1038/s41467-017-02390-7. http://dx.doi.org/10.1038/s41467-017-02390-7.
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Abstract: Advanced-stage epithelial ovarian cancers are amongst the most difficult to treat tumors and have proven to be refractory to most cytotoxic, molecularly targeted, or immunotherapeutic approaches. Here, we report that nanoparticle-drug conjugates (NDCs) of monomethyl auristatin E (MMAE) significantly increase loading on a per-vehicle basis as compared to antibody-drug conjugates (ADCs). Their intraperitoneal administration enabled triggered release of the active MMAE toxin to inhibit tumor growth and to extend animal survival to >90 days in a cell-line xenograft model of disseminated ovarian cancer. In a patient-derived xenograft model of advanced-stage and platinum-resistant ovarian cancer, an MMAE-based NDC doubled the duration of tumor growth inhibition as compared to cisplatin. NDCs of highly potent toxins thus introduce a translatable platform that may be exploited to maximize the safety and efficacy of cytotoxic chemotherapies, combining the best features of ADCs with those of nanoparticle-based therapeutics.
Published Version: doi:10.1038/s41467-017-02390-7
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5735131/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34651895
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