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Cancer Epidemiol Biomarkers Prev. 2019 Mar;28(3):616-619. doi: 10.1158/1055-9965.EPI-18-0909. Epub 2018 Nov 12.

Dietary Acrylamide Is Not Associated with Renal Cell Cancer Risk in the CPS-II Nutrition Cohort.

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Behavioral and Epidemiology Research Program, American Cancer Society, Atlanta, Georgia.
Behavioral and Epidemiology Research Program, American Cancer Society, Atlanta, Georgia.



Acrylamide, an industrial chemical and probable human carcinogen, can be formed in primarily carbohydrate-containing foods during high-heat cooking or processing. Most epidemiologic studies show no associations of dietary acrylamide intake with most cancer outcomes, but limited prospective evidence suggests a positive association with renal cell carcinoma (RCC).


In 1999, 102,154 men and women from the Cancer Prevention Study-II Nutrition Cohort completed a questionnaire on diet, lifestyle, and cancer risk factors and were followed through June 30, 2013. Cox proportional hazards regression was used to estimate the HR and 95% confidence interval (CI) for the association between estimated dietary acrylamide intake and risk of RCC.


After 1,137,441 person-years of follow-up, 412 cases of invasive RCC occurred. In multivariable-adjusted models, there was no association between acrylamide intake and risk of RCC (HR = 1.09; 95% CI, 0.82-1.43) for the highest versus lowest quartile of intake. Associations were not modified by sex or smoking history.


We found no associations between dietary acrylamide exposure and risk of invasive RCC.


The findings from this large, prospective analysis do not support a positive association between higher dietary acrylamide intake and RCC risk.

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