Novel Nano-Drug Delivery System for Brain Tumor Treatment

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Abstract
As the most dangerous tumors, brain tumors are usually treated with surgical removal, radiation therapy, and chemotherapy. However, due to the aggressive growth of gliomas and their resistance to conventional chemoradiotherapy, it is difficult to cure brain tumors by conventional means. In addition, the higher dose requirement of chemotherapeutic drugs caused by the blood–brain barrier (BBB) and the untargeted nature of the drug inevitably leads to low efficacy and systemic toxicity of chemotherapy. In recent years, nanodrug carriers have attracted extensive attention because of their superior drug transport capacity and easy-to-control properties. This review systematically summarizes the major strategies of novel nano-drug delivery systems for the treatment of brain tumors in recent years that cross the BBB and enhance brain targeting, and compares the advantages and disadvantages of several strategies.
Funding Information
  • National Natural Science Foundation of China (32101160)
  • Shenzhen Science and Technology Program (GXWD20200830123048001)
  • Foundation of Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument (2020B1212060077)

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