Ketogenic Diet in Combination With Standard-of-care Radiation and Temozolomide for Patients With Glioblastoma

A 4-month ketogenic diet will be supervised and monitored by the study investigators. Study dietitians will create personalized meal plans for each patient with the goal of achieving and maintaining metabolic ketosis.

Patients will receive standard-of-care radiation. Radiation is not protocol directed.

Patients will receive standard-of-care temozolomide. Temozolomide is not protocol directed.