Brain cancer Achilles heel revealed in the hours after surgery

Scientists in Britain and Spain have discovered critical windows after glioblastoma surgery when the brain’s defences falter, creating a rare chance to deliver powerful treatments exactly where needed. If doctors time treatment within two narrow postoperative windows identified by the researchers, existing lipid nanoparticle medicines - already approved and routinely used in oncology hospitals today - could be redeployed to deliver early, precision‑targeted therapy to the brain