Study reveals links between many pesticides and prostate cancer
US county-level data point to specific pesticides that may increase prostate cancer incidence and death
Wiley
Researchers have identified 22 pesticides consistently associated with the incidence of prostate cancer in the United States, with four of the pesticides also linked with prostate cancer mortality. The findings are published by Wiley online in CANCER, a peer-reviewed journal of the American Cancer Society.
To assess county-level associations of 295 pesticides with prostate cancer across counties in the United States, investigators conducted an environment-wide association study, using a lag period between exposure and prostate cancer incidence of 10–18 years to account for the slow-growing nature of most prostate cancers. The years 1997–2001 were assessed for pesticide use and 2011–2015 for prostate cancer outcomes. Similarly, 2002–2006 were analyzed for pesticide use and 2016–2020 for outcomes.
Among the 22 pesticides showing consistent direct associations with prostate cancer incidence across both time-based analyses were three that had previously been linked to prostate cancer, including 2,4-D, one of the most frequently used pesticides in the United States. The 19 candidate pesticides not previously linked to prostate cancer included 10 herbicides, several fungicides and insecticides, and a soil fumigant.
Four pesticides that were linked to prostate cancer incidence were also associated with prostate cancer mortality: three herbicides (trifluralin, cloransulam-methyl, and diflufenzopyr) and one insecticide (thiamethoxam). Only trifluralin is classed by the Environmental Protection Agency as a “possible human carcinogen,” whereas the other three are considered “not likely to be carcinogenic” or have evidence of “non-carcinogenicity.”
“This research demonstrates the importance of studying environmental exposures, such as pesticide use, to potentially explain some of the geographic variation we observe in prostate cancer incidence and deaths across the United States,” said lead author Simon John Christoph Soerensen, MD, of Stanford University School of Medicine. “By building on these findings, we can advance our efforts to pinpoint risk factors for prostate cancer and work towards reducing the number of men affected by this disease.”
Additional information
NOTE: The information contained in this release is protected by copyright. Please include journal attribution in all coverage. A free abstract of this article will be available via the CANCER Newsroom upon online publication. For more information or to obtain a PDF of any study, please contact: Sara Henning-Stout, newsroom@wiley.com
Full Citation:
“Pesticides and Prostate Cancer Incidence and Mortality: An Environmental Wide Association Study.” Simon John Christoph Soerensen, David S. Lim, Maria E. Montez-Rath, Glenn M. Chertow, Benjamin I. Chung, David H. Rehkopf, and John T. Leppert. CANCER; Published Online: November 4, 2024 (DOI: 10.1002/cncr.35572).
URL Upon Publication: http://doi.wiley.com/10.1002/cncr.35572
University Media Representative’s Contact: Ahmad Zaki Sadeqi, MSc, MA; Communications Manager, Department of Urology, Stanford University School of Medicine; Email: azsadeqi@stanford.edu
About the Journal
CANCER is a peer-reviewed publication of the American Cancer Society integrating scientific information from worldwide sources for all oncologic specialties. The objective of CANCER is to provide an interdisciplinary forum for the exchange of information among oncologic disciplines concerned with the etiology, course, and treatment of human cancer. CANCER is published on behalf of the American Cancer Society by Wiley and can be accessed online. Follow CANCER on X @JournalCancer and Instagram @ACSJournalCancer, and stay up to date with the American Cancer Society Journals on LinkedIn.
About Wiley
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Journal
Cancer
Article Title
Pesticides and Prostate Cancer Incidence and Mortality: An Environmental Wide Association Study
Article Publication Date
4-Nov-2024
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