Thirty patients were enrolled in this study, mainly patients with first recurrence of
glioblastoma, and the requirement is that they can receive secondary radiotherapy. Regardless
of whether the patient has received a second operation or the MGMT promoter is methylated,
they can be included in this study. After enrollment, patients were given niraparib 300mg/day
(body weight ≥77Kg and baseline platelet count ≥150,000/µL) or 200mg/day (body weight <77Kg
or baseline platelet count <150,000/µL), combined with radiotherapy (total dose 55Gy),
follow-up Time 1 year. Until the patient has disease progression or intolerance or
voluntarily withdraw from the study.