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Article Publish Status: FREE
Abstract Title:

Flavonoids and laryngeal cancer risk in Italy.

Abstract Source:

Ann Oncol. 2007 Jun ;18(6):1104-9. Epub 2007 Mar 19. PMID: 17372161

Abstract Author(s):

W Garavello, M Rossi, J K McLaughlin, C Bosetti, E Negri, P Lagiou, R Talamini, S Franceschi, M Parpinel, L Dal Maso, C La Vecchia

Article Affiliation:

W Garavello

Abstract:

BACKGROUND: Flavonoids may play an important role in explaining the protective effect of vegetables and fruit against cancer.

PATIENTS AND METHODS: To investigate the relation between flavonoids and laryngeal cancer risk, we have applied data on the composition of foods and beverages in terms of six principal classes of flavonoids to a case-control study of laryngeal cancer conducted from 1992 to 2000 in Italy. Cases were 460 subjects with incident, histologically confirmed laryngeal cancer; controls were 1088 patients admitted for acute, non-neoplastic diseases. Odds ratios (OR) were estimated through multiple logistic regression models, including terms for sociodemographic and lifestyle factors, tobacco smoking, alcohol consumption and energy intake.

RESULTS: Significant inverse relations were found for the highest versus the lowest quintile of intake for flavan-3-ols (OR = 0.64), flavanones (OR = 0.60), flavonols (OR = 0.32) and total flavonoids (OR = 0.60), although the overall trends in risk were significant only for flavanones and flavonols. No consistent associations were observed for isoflavones, anthocyanidins and flavones. The estimates did not differ substantially across strata of alcohol drinking, tobacco smoking, body mass index and education, and tended to persist even after controlling for vegetable and fruit intake.

CONCLUSION: This study provides support for a beneficial effect of selected flavonoids on laryngeal cancer risk.

Study Type : Human Study

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Sayer Ji
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