Tolerance to Immunomodulatory Nutritional Therapy in Oncology Patients Undergoing Chemotherapy and Radiotherapy

"Phase 1 (Neoadjuvant Chemotherapy):~Patients will receive 2 units of Impact oral supplement and 1 sachet of protein module daily, for 7 days prior to each chemotherapy cycle.~During the interval between the end of one cycle and 7 days before the next, 2 sachets of protein module per day will be maintained.~Phase 2 (Surgery):~2 units of Impact once daily, for 7 days prior to surgery.~Phase 3 (Radiotherapy):~2 units of Impact and 1 sachet of protein module daily, for 7 days prior to starting radiotherapy (RT), followed by 1 unit of Impact once daily throughout the course of RT.~Protein module: 13 g/day until the end of treatment."

"2 units of Impact oral supplement and 1 sachet of protein module once daily, starting 1 week before the initiation of radiotherapy (RT).~During RT: 1 unit of Impact and 1 sachet of protein module daily, until 1 week before the end of RT.~2 units of Impact and 1 sachet of protein module daily until the end of treatment, starting from 1 week before the end of RT.~Protein module: 13 g/day throughout the entire treatment period."

Control cohort A: According to the institutional routine nutritional orientation

Control cohort B: According to the institutional routine nutritional orientation