Immunonutrition and Tolerance to Chemoradiotherapy in Patients With Head-neck Cancer

In a recent study, we have shown that the systematic use of oral nutritional supplements (ONS) in combination with counseling further favours the maintenance of nutrition status, the recovery of quality of life and, more importantly, improves the practicability of CT-RT. This effect would be substantially attributable to the increase in protein-energy intake associated with ONS use, but also to the possible "nutraceutical" action of omega-3 fatty acids. Therefore, modulation of the inflammatory response could play a role during cancer treatments. In this context, there is an already-known high-calorie-high-protein nutritional blend, enriched in immunonutrients (arginine, nucleotides and omega-3 fatty acids), which could also have an application in this type of patients. This mixture has proven effective in reducing the risk of post-operative complications (e.g. infections, fistulas, etc.) and the length of stay of patients undergoing major cancer surgery (abdominal and head and neck regions). Nevertheless, in oncology, there is a growing therapeutic interest in the modulation of inflammation and immunosuppression at the tumour microenvironment level.