MRI images show tumours before the treatment (left) and after (right) SUNNYBROOK HEALTH SCIENCES CENTRE
Doctors have shown that it is possible to safely deliver medicines directly to a person’s brain, in a world-first cancer treatment that involves breaching the “blood-brain barrier”.
The method involves temporarily making blood vessels in a certain brain region more porous, to let a drug flow out of the bloodstream and reach tumour cells.
Four women with breast cancer that had spread to the brain have had their tumours shrunk by a drug called Herceptin using this method.
Blood vessels …
source: newscientist.com