This is a two-arm, pragmatic randomised controlled trial in adults with recurrent glioblastoma (GB). Participants will b clinical trials

Repeat surgery for recurrent glioblastoma

This study looks at whether a second operation for glioblastoma brain cancer, when it returns, helps people live longer and have a better quality of life. Patients will be randomly put into two groups: one has another surgery, and the other does not. Both groups then receive other treatments.