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Curr Opin Biomed Eng. 2017 Dec;4:1-12. doi: 10.1016/j.cobme.2017.09.002. Epub 2017 Sep 22.

Nanomaterials for convection-enhanced delivery of agents to treat brain tumors.

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Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA.


Nanomaterials represent a promising and versatile platform for the delivery of therapeutics to the brain. Treatment of brain tumors has been a long-standing challenge in the field of neuro-oncology. The current standard of care - a multimodal approach of surgery, radiation and chemotherapy - yields only a modest therapeutic benefit for patients with malignant gliomas. A major obstacle for treatment is the failure to achieve sufficient delivery of therapeutics at the tumor site. Recent advances in local drug delivery techniques, along with the development of highly effective brain-penetrating nanocarriers, have significantly improved treatment and imaging of brain tumors in preclinical studies. The major advantage of this combined strategy is the ability to optimize local therapy, by maintaining an effective and sustained concentration of therapeutics in the brain with minimal systemic toxicity. This review highlights some of the latest developments, significant advancements and current challenges in local delivery of nanomaterials for the treatment of brain tumors.


Convection-enhanced delivery; Glioblastoma; Local therapy; Nanocarriers

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