Abstract:Background Animal brain-tumor models have demonstrated a synergistic interaction between radiation therapy and a ketogenic diet (KD). Metformin has in-vitro anti-cancer activity, through AMPK activation and mTOR inhibition. We hypothesized that metabolic stress (moderate hypoglycemia) would enhance the anti-tumor efficacy of concurrent DNA damage. We further hypothesized that concurrent metformin would decrease insulin resistance and consequently elevate ketone blood level. We performed a formal prospective ph… Show more
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