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Weight loss at the first month of palliative chemotherapy predicts survival outcomes in patients with advanced gastric cancer

Cited 26 time in Web of Science Cited 32 time in Scopus

Ock, Chan-Young; Oh, Do-Youn; Lee, Joongyub; Kim, Tae-Yong; Lee, Kyung-Hun; Han, Sae-Won; Im, Seock-Ah; Kim, Tae-You; Bang, Yung-Jue

Issue Date
Springer Verlag
Gastric Cancer, Vol.19 No.2, pp.597-606
Weight loss during chemotherapy is a significant prognostic factor for poor survival in patients with advanced gastric cancer (AGC). However, in most studies, weight loss was measured at the end of chemotherapy, limiting its clinical use. In this study, we evaluated whether weight loss during the first month of chemotherapy could predict survival outcomes in patients with AGC. We analyzed 719 patients with metastatic or recurrent AGC who were receiving palliative chemotherapy. We calculated the initial body mass index (BMIi), percent weight loss after 1 month of chemotherapy (Delta W (1)m), percent weight loss after last administration of chemotherapy (Delta W (end)), and average weight loss per month during chemotherapy (Delta W/m). We correlated these data with overall survival (OS) by receiver-operating characteristic (ROC) curves and Kaplan-Meier curves, and performed a subgroup analysis using Cox regression. The probabilities of longer OS had stronger correlations with Delta W/m and Delta W (1)m than with Delta W (end) or BMIi. A significant positive correlation between Delta W (1)m and Delta W/m (r (2) = 0.591, p < 0.001) was observed. Median OS of patients with Delta W (1)m more than 3 % was significantly shorter than in patients with less weight loss (OS: 9.7 vs. 16.3 months, p < 0.001). Subgroup analysis revealed that Delta W (1)m accompanied poor survival irrespective of other clinical characteristics. Weight loss at the very first month of palliative chemotherapy could predict unfavorable survival outcomes in AGC.
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  • College of Medicine
  • Department of Medicine
Research Area Clinical Medicine


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