| Summary: | Abstract Background Robust data reporting the survival of cancer patients on home parenteral nutrition (HPN) are lacking. The aim of this prospective, cohort study was to investigate clinical characteristics, predictive factors, and overall survival (OS) of adult‐malnourished cancer patients eligible for HPN according to the European guideline recommendations. Methods During the study period, 1658 cancer patients were consecutively evaluated in a tertiary university hospital. Of these, 761 who received HPN were grouped into four cohorts according to the provision of supplemental PN (SPN) or total (TPN) and whether they received chemotherapy (CT+ or CT‐): SPN/CT+ (n = 376), TPN/CT+ (n = 99), SPN/CT‐ (n = 191), and TPN/CT‐ (n = 95). Patient demographics, nutritional status, cancer‐related characteristics, and prognostic scores assessed at HPN start. The primary outcome was OS. Results Median OS was 8.9, 4.3, 5.7, and 2.2 months for the SPN/CT+, TPN/CT+, SPN/CT‐, and TPN/CT‐ cohorts, respectively. In multivariable analysis, predictors showing significant association with decreased survival were patient cohorts, modified Glasgow Prognostic Score (1 and 2 scores), weight loss (>15%) in the 3 months before HPN start, and TNM IV stage while protective factors of survival were Karnofsky Performance Status (>50), albumin level (>3.5 g/dL), oral protein intake, BMI (>20.5), and weight at HPN start. Conclusion For the first time, in four different cohorts of cancer patients on HPN, clinical characteristics and survival were compared. This large study showed that survival is significantly correlated with patient characteristics at HPN start and that the presence of favorable factors may determine even a fourfold increase in survival. These data are expected to assist physicians in the appropriate prescription of HPN.
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