Niraparib In Recurrent IDH 1/2 Gliomas

Oral, daily, dosage per protocol,4 Weeks

"The participants in both arms will resume/start on treatment with niraparib 2 -4 weeks after surgery.~Treatment can be held for an additional 28 days to allow for recovery from surgery, at the investigator's discretion. Participants will continue treatment for up to 12 total cycles of treatment or until tumor progression, unacceptable toxicity or withdrawal of consent."