Journal
ORAL ONCOLOGY
Volume 52, Issue -, Pages 91-96Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.oraloncology.2015.10.021
Keywords
Head and neck cancer; Oral cancer; Malnutrition; Weight loss; Nutrition; Radiation; Chemoradiotherapy
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Funding
- Cancer Center Amsterdam Foundation, Amsterdam, The Netherlands
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Objectives: Patients with head and neck cancer (HNC) frequently encounter weight loss with multiple negative outcomes as a consequence. Adequate treatment is best achieved by early identification of patients at risk for critical weight loss. The objective of this study was to detect predictive factors for critical weight loss in patients with HNC receiving (chemo) radiotherapy ((C)RT). Materials and methods: In this cohort study, 910 patients with HNC were included receiving RT (+/- surgery/concurrent chemotherapy) with curative intent. Body weight was measured at the start and end of (C) RT. Logistic regression and classification and regression tree (CART) analyses were used to analyse predictive factors for critical weight loss (defined as >5%) during (C) RT. Possible predictors included gender, age, WHO performance status, tumour location, TNM classification, treatment modality, RT technique (three-dimensional conformal RT (3D-RT) vs intensity-modulated RT (IMRT)), total dose on the primary tumour and RT on the elective or macroscopic lymph nodes. Results: At the end of (C) RT, mean weight loss was 5.1 +/- 4.9%. Fifty percent of patients had critical weight loss during (C) RT. The main predictors for critical weight loss during (C) RT by both logistic and CART analyses were RT on the lymph nodes, higher RT dose on the primary tumour, receiving 3D-RT instead of IMRT, and younger age. Conclusion: Critical weight loss during (C) RT was prevalent in half of HNC patients. To predict critical weight loss, a practical prediction tree for adequate nutritional advice was developed, including the risk factors RT to the neck, higher RT dose, 3D-RT, and younger age. (C) 2015 Elsevier Ltd. All rights reserved.
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