Malnutrition screening and nutritional support for cancer patients. Clinical guidelines and features of their application in real practice

Malnutrition is a significant problem for patients with hematological neoplasms and solid tumors, serving as a negative prognostic and predictive factor that reduces the effectiveness of anticancer therapy and worsens survival outcomes.The article discusses the role of nutritional support in improving treatment outcomes, reducing complications, and enhancing the quality of life for cancer patients. It reviews current clinical guidelines for the implementation of nutritional support in oncology and oncohematology, underscoring the necessity of early intervention and continuous monitoring to prevent and address nutritional deficiencies. Various methods of nutritional support, including oral, enteral, and parenteral nutrition, are also discussed, with an emphasis on the importance of a personalized approach to meet the individual needs of patients.