Talk to Cancer Specialist / Oncologist on Glioblastoma

Aslamoalaikum! My father is diagnosed with glioblastoma grade 4. He is undergone Surgery. Smd now getting post surgery radiotherapy and chemotherapy(Temozolomide). Besides the standard treatment please guide me that which other treatment can be more effective like immunotherapy or targeted therapy according to your experience. Patient condition is better as before he had seizures left arm affected. So please guide with treatment plan for this. Please find attached reports . Thanks