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Cancer Epidemiol Biomarkers Prev. 2018 Aug;27(8):979-982. doi: 10.1158/1055-9965.EPI-18-0320. Epub 2018 May 14.

Dietary Acrylamide Intake and Risk of Renal Cell Carcinoma in Two Large Prospective Cohorts.

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Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California.
Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
Department of Dermatology, The Warrant Alpert Medical School of Brown University, Providence, Rhode Island.
Department of Epidemiology, Brown University School of Public Health, Providence, Rhode Island.
Division of Urology, Brigham and Women's Hospital, Boston, Massachusetts.
Department of Surgery, Division of Urology, Memorial Sloan Kettering Cancer Center, New York, New York.
Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.


Background: Accumulating evidence suggests that dietary acrylamide intake is not associated with the risk of most cancers in humans. However, a meta-analysis of five epidemiologic studies found a suggestion of an increased risk of kidney cancer with higher dietary acrylamide intake.Methods: We investigated this association in the prospective Health Professionals Follow-up Study (HPFS; 1986-2014) and Nurses' Health Study (NHS; 1980-2014) cohorts. Dietary acrylamide intake was calculated on the basis of 46 acrylamide-containing foods reported on food frequency questionnaires completed every 4 years. The associations with the incidence of total and fatal renal cell carcinoma (RCC; n = 292/84 HPFS, n = 337/87 NHS) during more than two decades of follow-up were assessed using Cox proportional hazards models adjusting for potential confounders.Results: There was no association between cumulative average or baseline acrylamide intake and the risk of total or fatal RCC risk in men or women. Acrylamide intake was also not associated with RCC risk among never-smokers, nor was it associated with the risk of clear cell RCC.Conclusions: Dietary acrylamide was not associated with risk of RCC in two long-term prospective cohorts with repeated measures of dietary intake.Impact: This analysis of RCC adds to the body of evidence that dietary acrylamide is not an important cancer risk factor in humans. Cancer Epidemiol Biomarkers Prev; 27(8); 979-82. ©2018 AACR.

[Available on 2019-08-01]

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