Diabetes and Body Mass Index Are Associated with Neuropathy and Prognosis in Colon Cancer Patients Treated with Capecitabine and Oxaliplatin Adjuvant Chemotherapy

Alessandro Ottaiano, Anna Nappi, Salvatore Tafuto, Guglielmo Nasti, Chiara De Divitiis, Carmela Romano, Antonino Cassata, Rossana Casaretti, Lucrezia Silvestro, Antonio Avallone, Maurizio Capuozzo, Monica Capozzi, Piera Maiolino, Vincenzo Quagliariello, Stefania Scala, Vincenzo Rosario Iaffaioli

Research output: Contribution to journalArticle

Abstract

Background: There are few background data on the impact of clinical factors on neurotoxicity and prognosis in patients treated with adjuvant capecitabine and oxaliplatin (CAPOX) chemotherapy. Methods: 102 stage II high-risk and stage III colorectal cancer patients were treated for 6 months with adjuvant CAPOX, then they were followed up. Associations between clinical variables, metabolic syndrome components, smoking and neurotoxicity were evaluated by the χ2 test. The Kaplan-Meier product limit method was applied to graph disease-free survival (DFS). Univariate analysis was done with the log-rank test. Cox's proportional hazards regression was used to analyze the effect of several risk factors on DFS. Results: Significant associations were found between diabetes (p <0.001), BMI (p = 0.01) and the occurrence of chronic neurotoxicity. After a median follow-up of 46 months, 14 patients (13.7%) had suffered recurrence. An analysis of the prognostic factors for DFS showed that prognosis is unfavorable for patients with high lymph-nodal involvement (HR: 5.23, p = 0.0007), diabetes (HR: 4.86; p = 0.03) and a BMI ≥25 (HR: 3.69, p = 0.002). Discussion: Common mediators in diabetes and obesity could be involved in peripheral neuropathy and in stimulating micro-metastases. Further studies are necessary to explain this interesting connection between diabetes, obesity and colon cancer.

Original languageEnglish
Pages (from-to)36-42
Number of pages7
JournalOncology
Volume90
Issue number1
DOIs
Publication statusPublished - Jan 1 2016

Keywords

  • Adjuvant chemotherapy
  • Colon cancer
  • Prognosis
  • Toxicity

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

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