The study enrolled 114 patients with primary non-small cell lung cancer and nutritional deficiencies or at risk of developing them, admitted for surgical treatment and meeting other inclusion/exclusion criteria. Patients were randomly divided into two groups: the study group of 57 people and the control group of 57 people.~Patients in the study group, in addition to the usual diet, received nutritional support. During the hospital stay, additional nutritional support was added to the patient's standard hospital diet. On an outpatient basis, patients received the required amount at their disposal and will take it as a supplement to his usual and habitual diet.~Patients in the control group followed the standard hospital diet, and at discharge - the usual habitual diet.~The study was conducted using Enrollme.ru electronic platform. In total, the study comprised screening and 5 visits.
The study was aimed to evaluate the impact of perioperative nutritional support with high-protein mixtures on the risk of postoperative complications, postoperative recovery of respiratory functions in patients with lung cancer, nutritional status and quality of life of patients. Possible adverse events were also studied and described.