Exposure to Agent Orange Linked to Risk of Bladder Cancer
Medically reviewed by Drugs.com.
By Elana Gotkine HealthDay Reporter
WEDNESDAY, June 28, 2023 -- Exposure to Agent Orange is associated with a small but significantly increased risk of bladder cancer among male Vietnam veterans, according to a study published online June 27 in JAMA Network Open.
Steven B. Williams, M.D., from the University of Texas Medical Branch at Galveston, and colleagues examined the association between bladder cancer risk and exposure to Agent Orange among 2,517,926 male Vietnam veterans in a nationwide Veterans Affairs retrospective cohort study. Veterans exposed to Agent Orange were matched to unexposed veterans on age, race and ethnicity, military branch, and year of service entry in a 3:1 ratio (629,907 and 1,888,019 veterans, respectively).
The researchers found that exposure to Agent Orange was associated with a small, but significant, increased risk of bladder cancer (hazard ratio, 1.04). In stratified analyses, Agent Orange was not associated with bladder cancer risk among veterans older than the median age, while those younger than the median age had a significantly increased risk of bladder cancer (hazard ratio, 1.07). Agent Orange was associated with lower odds of muscle invasive bladder cancer among those with a diagnosis of bladder cancer (odds ratio, 0.91).
"These results support prior investigations and further support bladder cancer to be designated as an Agent Orange-associated disease," the authors write.
Two authors disclosed ties to the pharmaceutical industry.
Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.
© 2024 HealthDay. All rights reserved.
Posted June 2023
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