Association between dietary intake of flavonoids and cancer recurrence among breast cancer survivorsopen access
- Authors
- Cheon, M.; Chung, M.; Park, Y.
- Issue Date
- 2021
- Publisher
- MDPI
- Keywords
- Breast cancer; Flavonoid-rich foods; Flavonoids; Obesity; Recurrence; Survival
- Citation
- Nutrients, v.13, pp.1 - 12
- Indexed
- SCIE
SCOPUS
- Journal Title
- Nutrients
- Volume
- 13
- Start Page
- 1
- End Page
- 12
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/144021
- DOI
- 10.3390/nu13093049
- ISSN
- 2072-6643
- Abstract
- Intake of flavonoids is associated with the incidence of breast cancer, but the association between the intake of flavonoids and cancer recurrence is unclear. This study aimed to investigate the hypothesis that intake of flavonoids and flavonoid-rich foods is negatively associated with cancer recurrence. Among 572 women who underwent breast cancer surgery, 66 patients had a cancer recurrence. Dietary data were collected using a structured 24-hour dietary recall, and intake of flavonoids was calculated based on the Korea Rural Development Administration flavonoid database. Among overweight and obese patients, disease-free survival was associated with intake of flavonoids (p = 0.004) and flavonoid-rich foods (p = 0.003). Intake of flavonoids (hazard ratio (HR) = 0.249, 95% confidence interval (CI): 0.09–0.64) and flavonoid-rich foods (HR = 0.244, 95% CI: 0.09–0.66) was negatively associated with cancer recurrence after adjusting for confounding factors in overweight and obese patients. Consumption of flavonoids and flavonoid-rich foods was lower in overweight and obese patients with cancer recurrence than those without recurrence and in normal-weight patients. This study suggests that intake of flavonoids and flavonoid-rich foods could have beneficial effects on cancer recurrence in overweight and obese breast cancer survivors. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
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