Journal
SUPPORTIVE CARE IN CANCER
Volume 29, Issue 5, Pages 2299-2304Publisher
SPRINGER
DOI: 10.1007/s00520-020-05879-y
Keywords
Energy restriction; Caloric restriction; Fasting; Cancer
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Dietary interventions have a significant impact on body metabolism and can hinder cancer growth and progression while enhancing the efficacy of chemotherapy and radiation therapy. Although current clinical trials have small sample sizes, they have shown clinical benefits for cancer patients.
Dietary interventions have a significant impact on body metabolism. The sensitivity of cancer cells to nutrient and energy deficiency is an evolving characteristic of cancer biology. Preclinical studies provided robust evidence that energy and caloric restrictions could hinder both cancer growth and progression, besides enhancing the efficacy of chemotherapy and radiation therapy. Moreover, several, albeit low-powered, clinical trials have demonstrated clinical benefits in cancer patients. Future research will inform and firmly establish the potential efficacy and safety of these dietary interventions. Here, we review the current evidence and ongoing research investigating the relationship between various dietary restriction approaches and cancer outcomes.
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