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Abstract Background Young women with breast cancer (YWBC) debut with more aggressive and advanced diseases; it may be related to chronic inflammation caused by the tumor. However, in Latin America, breast cancer is also related to malnutrition conditions such as obesity. Malnutrition is commonly associated with physiological adaptations to stress and inflammation resulting in muscle catabolism and loss of functionality, which may affect oncology outcomes. Our research group had previously reported that YWBCs in Mexico are overweight or obese at diagnosis. Although they received educational support, this malnutrition prevalence continues or increases during the follow-up. A limitation of this previous study is that we only have data such as weight and height and miss other anthropometric parameters to measure the metabolic impact of weight gain. Body composition assessment is valuable for measuring malnutrition, obesity, and sarcopenia. The body composition assessment with Bioimpedance analysis (BIA) provides valuable parameters such as phase angle (PhA), which correlates with nutritional status, disease prognosis, inflammation, cell health, and metabolic activity. BC patients with a PhA 5.6 show a better survival rate. Another accessible tool to evaluate systemic inflammation is the neutrophil-lymphocyte ratio (NLR). Higher NLR (2.12) is associated with worse disease-free and overall survival. This pilot study aims to measure the importance of PhA and NLR in YWBC with early breast cancer at diagnosis and at 12 months to evaluate the effects of personal nutritional guidance on these parameters. Methods Patients included in the “Joven 2023 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2024;84(9 Suppl):Abstract nr PO1-02-12.
Barranco-Cortés et al. (Thu,) studied this question.