Effects of a ketogenic diet on the quality of life in 16 patients with advanced cancer: A pilot trial

http://www.biomedcentral.com/content/pdf/1743-7075-8-54.pdf

Conclusions: 

"These pilot data suggest that a Ketogenic Diet is suitable for even advanced cancer patients. It has no severe side effects and might improve aspects of quality of life and blood parameters in some patients  with advanced metastatic tumors."

Schmidt et al.: Effects of a ketogenic diet on the quality of life in 16 patients with advanced cancer: A pilot trial. Nutrition & Metabolism 2011 8:54