Ultrasound allows a chemotherapy drug to enter the human brain
An early-stage clinical trial shows promise for people with a treatment-resistant brain cancer
![A CT scan image showing a human brain in yellow with a big patch of green in the middle of the brain.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/05/050223_mp_chemoBBB_feat.jpg?fit=1030%2C580&ssl=1)
Glioblastoma (green in this CT scan) is a type of brain cancer that is difficult to treat. A study shows how pairing ultrasound with microbubbles temporarily opens the brain’s protective barrier, allowing a chemotherapy drug to enter the organ.
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