Prognostic impact of early nutritional support in patients affected by locally advanced and metastatic pancreatic ductal adenocarcinoma undergoing chemotherapy

Background/objectives: The aim of this analysis was to determine the risk of malnutrition and the prognostic value of nutritional intervention in patients affected by pancreatic ductal adenocarcinoma (PDAC) undergoing chemotherapy. Subjects/methods: Clinical-pathological and nutritional data were correlated with overall survival (OS) using a Cox model. Nutritional status was determined by Malnutrition Universal Screening Tool (MUST), body mass index, weight loss in the past 6 months, presence of nutrition-related symptoms, and current energy intake. Nutritional intervention included appropriate individual dietary counseling. Results: Data from 109 patients were gathered (median age 63 years). The majority of patients (64.2%) presented a MUST value of ≥ 2, corresponding to a high risk of malnutrition. At multivariate analysis for OS in locally advanced and metastatic PDAC patients, the time between the diagnosis and the nutritional intervention (HR 2.22, p = 0.017), the performance status (HR 1.38, p = 0.075), the surgery of the primary (HR 5.89, p = 0.005), and the response to the first line (HR 5.9, p = 0.03) were independent significant predictors of outcome. Furthermore, a weight gain > 2% from the baseline weight was correlated with the time between the diagnosis and the nutritional intervention (p = 0.021): in patients receiving a nutritional support within 3 months from diagnosis, a 2% weight gain was associated with a 2-year OS benefit (50.3% vs. 33.0%, p = 0.04). Conclusions: This analysis suggests that the early nutritional support may contribute to influence the prognosis of patients affected by advanced PDAC undergoing chemotherapy