Here's a description of a "press-pulse" protocol that includes fasting, calorie restriction, and ketogenic diet scenarios (main goal seems to be to limit glucose intake as part of the treatment as part of an effort at stressing the energy systems of the cancer cells to cause cell death): https://nutritionandmetabolism.biomedcentral.com/articles/10... Check the references for some other papers on fasting and chemotherapy. Also, here's a related human case study: https://www.ncbi.nlm.nih.gov/pubmed/29651419