News FLASH-RT: To Treat GBM and Spare Cognition, Fraction Size and Total Dose Matter

Data indicate that ultrahigh dose rate (>106 Gy/second) FLASH radiotherapy (FLASH-RT) delivery of radiation reduces normal tissue damage without compromising tumor response. Orthotopic glioblastoma mouse studies now demonstrate that radiation fraction size, total dose, and number of fractions are critical parameters for FLASH-RT cognitive sparing without compromising tumor response.See related article by Montay-Gruel et al., p. 775.