• Nutrition · Mar 2023

    Abdominal adiposity as a prognosis biomarker of clinical outcome in metastatic colorectal cancer.

    • Karina Hiromoto Oikawa, Fabiana Lascala Juliani, Larissa Ariel Oliveira Carrilho, Lara Pozzuto, Daniela Morais de Hollanda Padilha, Marina Nogueira Silveira, Felipe Osório Costa, Lígia Traldi Macedo, da Cunha JúniorAdemar DantasADDivision of Oncology, Department of Anesthesiology, Oncology and Radiology, School of Medical Sciences, State University of Campinas (UNICAMP), Campinas, Brazil; Hematology and Oncology Clinics, Cancer Hospital of Cascavel, U, Maria Carolina Santos Mendes, and José Barreto Campello Carvalheira.
    • Division of Oncology, Department of Anesthesiology, Oncology and Radiology, School of Medical Sciences, State University of Campinas (UNICAMP), Campinas, Brazil.
    • Nutrition. 2023 Mar 1; 107: 111913111913.

    ObjectivesAdipose tissue distribution and radiodensity are associated with prognosis in many types of cancer. However, the roles of adipose tissue distribution and radiodensity in patients with metastatic colorectal cancer (mCRC) remain unclear. The aim of this study was to assess the prognostic effect of adiposity and adipose tissue radiodensities in patients with mCRC.MethodsPatients with mCRC who received first-line palliative chemotherapy and had a computed tomography (CT) scan at the third lumbar vertebra (L3) level, admitted between January 2010 and December 2018, were sequentially enrolled. Body composition was assessed using CT-derived measurements. Univariate and multivariate logistic regression analyses and Kaplan-Meier curves were used to determine prognostic values.ResultsThe study included 237 patients. Cox analyses demonstrated that high subcutaneous adipose tissue (SAT) index was associated with a lower risk for death (hazard ratio [HR], 0.51; 95% confidence interval [CI], 0.29-0.88; Ptrend < 0.025). There was no significant association between visceral adipose tissue (VAT) index tertiles and overall survival. However, high VAT and SAT radiodensities were significantly associated with increased mortality (HR, 1.80; 95% CI, 1.12-2.89; Ptrend < 0.030 and HR, 1.85; 95% CI, 1.19-2.86; Ptrend < 0.021, respectively).ConclusionsA higher SAT index in patients with mCRC was associated with a favorable overall survival outcome, whereas higher SAT and VAT radiodensities were associated with an increased risk for death, supporting that early nutritional intervention may improve mCRC prognosis.Copyright © 2022 Elsevier Inc. All rights reserved.

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