Scientists at ETH Zurich say they have developed a technique for concentrating and releasing drugs in the brain with much accuracy. This could make it possible in the future to deliver psychiatric and cancer drugs and other medications only to those regions of the brain where this is medically desirable, according to the team.
Today, the researchers add, this is practically impossible—drugs traveling through the bloodstream reach the entire brain and body, which in some cases causes side effects. The new method is non-invasive, with drug delivery in the brain controlled from outside the head using ultrasound.
