1. Dietary patterns related to biological mechanisms and survival after breast cancer diagnosis : results from a cohort study
- Author
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Carlota Castro-Espin, Catalina Bonet, Marta Crous-Bou, Verena Katzke, Charlotte Le Cornet, Franziska Jannasch, Matthias B. Schulze, Anja Olsen, Anne Tjønneland, Christina C. Dahm, Christian S. Antoniussen, Maria Jose Sánchez, Pilar Amiano, María Dolores Chirlaque, Marcela Guevara, Claudia Agnoli, Rosario Tumino, Carlotta Sacerdote, Maria Santucci De Magistris, Malin Sund, Stina Bodén, Torill Enget Jensen, Karina Standahl Olsen, Guri Skeie, Marc J. Gunter, Sabina Rinaldi, Esther M. Gonzalez-Gil, Elisabete Weiderpass, Sofia Christakoudi, Alicia K. Heath, Laure Dossus, and Antonio Agudo
- Subjects
Cancer Research ,Cancer och onkologi ,Nutrition and Dietetics ,Breast Neoplasms/diagnosis ,Estrogens ,Diet ,Cohort Studies ,Näringslära ,Oncology ,Risk Factors ,Cancer and Oncology ,Humans ,Female ,Prospective Studies - Abstract
BACKGROUND: Inflammatory, insulin and oestrogenic pathways have been linked to breast cancer (BC). We aimed to examine the relationship between pre-diagnostic dietary patterns related to these mechanisms and BC survival. METHODS: The diabetes risk reduction diet (DRRD), inflammatory score of diet (ISD) and oestrogen-related dietary pattern (ERDP) were calculated using dietary data from the European Prospective Investigation into Cancer and Nutrition (EPIC) study. Cox proportional hazards models were used to assess associations between dietary patterns and overall mortality and competing risk models for associations with BC-specific mortality. RESULTS: We included 13,270 BC cases with a mean follow-up after diagnosis of 8.6 years, representing 2340 total deaths, including 1475 BC deaths. Higher adherence to the DRRD score was associated with lower overall mortality (HR1–SD 0.92; 95%CI 0.87–0.96). Greater adherence to pro-inflammatory diets was borderline associated with 6% higher mortality HR1–SD 1.06; 95%CI 1.00–1.12. No significant association with the oestrogen-related dietary pattern was observed. None of the dietary patterns were associated with BC-specific mortality. CONCLUSIONS: Greater adherence to an anti-diabetic and anti-inflammatory diet prior to diagnosis is associated with lower overall mortality among BC survivors. Long-term adherence to these dietary patterns could be a means to improve the prognosis of BC survivors., Instituto de Salud Carlos III FI19/00197, European Social Fund (ESF), AECC Scientific Foundation PRYES211366AGUD, World Health Organization, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, Danish Cancer Society, Ligue nationale contre le cancer, Institut Gustave Roussy, Mutuelle Generale de l'Education Nationale, Institut National de la Sante et de la Recherche Medicale (Inserm), Deutsche Krebshilfe Helmholtz Association German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE) Federal Ministry of Education & Research (BMBF), Fondazione AIRC per la ricerca sul cancro Compagnia di San Paolo Consiglio Nazionale delle Ricerche (CNR), Dutch Ministry of Public Health, Welfare and Sports (VWS) Netherlands Cancer Registry (NKR), LK Research Funds, Dutch Prevention Funds Netherlands Organization for Scientific Research (NWO), World Cancer Research Fund International (WCRF), Netherlands Government, Health Research Fund (FIS)-Instituto de Salud Carlos III (ISCIII), Regional Governments of Andalucia, Asturias, Basque Country, Murcia and Navarra Navarra, Catalan Institute of Oncology-ICO (Spain), Swedish Cancer Society Swedish Research Council, County Councils of Skkne, Vasterbotten (Sweden), Cancer Research UK 14136 C8221/A29017, UK Research & Innovation (UKRI), Medical Research Council UK (MRC) 1000143 MR/M012190/1
- Published
- 2023