Researchers at Washington University School of Medicine in St. Louis, along with collaborators at Northwestern University, have developed a noninvasive approach to treat one of the most aggressive and deadly brain cancers . Their technology uses precisely engineered structures assembled from nano-size materials to deliver potent tumor -fighting medicine to the brain through nasal drops. The novel delivery method is less invasive than similar treatments in development and was shown in mice to effectively treat glioblastoma by boosting the brain’s immune response.

The findings were published this month in PNAS .

Glioblastoma tumors form from brain cells called astrocytes and are the most common kind of brain cancer, affecting roughly three in 100,000 people in the U.S. Glioblastoma

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