Individualization of Nutritive Sensory Support Of Radiation Therapy

ONS with a cooling effect and Red Fruits taste. 3 bottles (х 200 ml) per day X 14 days (at severe mucositis period) in addition to a standard diet and other ONS without a sensor component and taste according to protein and energy requirements based on ESPEN guidelines (protein 1.5 g/kg/day and Energy -25 and 30 kcal/kg/day)

Nutritional support + ONS without a sensor component and taste (cooling effect) in addition to a standard diet according to protein and energy requirements based on ESPEN guidelines (protein 1.5 g/kg/day and Energy -25 and 30 kcal/kg/day)

Without appropriate nutritional support - not in accordance with current ESPEN guidelines (protein and Energy intake less than 1.5 g/kg/day and 25 and 30 kcal/kg/day). (Historical retrospective control).