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Does androgen-deprivation therapy increase the risk of ischemic cardiovascular and cerebrovascular diseases in patients with prostate cancer? A nationwide population-based cohort study

  • Original Article – Clinical Oncology
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Abstract

Purpose

We investigated whether ADT use was associated with the risk of ischemic cardiovascular diseases (CVD) and cerebrovascular diseases (CrVD) in a nationwide population-based cohort.

Methods

Claims data of the Health Insurance and Review Assessment system in South Korea were used. In total, 195,308 men with newly diagnosed prostate cancer between January 1, 2008 and December 31, 2017 were identified. After applying the exclusion criteria, 131,189 men were enrolled. The study cohort was divided into ADT and non-ADT groups. Study outcomes were newly developed CVD, cardiovascular intervention (CVI), and CrVD. To control for potential confounders, various cardiovascular risk factors were balanced between groups. Cox proportional hazard regression models were used to estimate adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) of events.

Results

Univariable analysis revealed that ADT was significantly associated with an increased risk of CVD and CrVD. Multivariable analysis did not reveal this association. In the propensity score matched cohort (n = 61,722), multivariable analysis demonstrated that ADT independently reduced the risk of CVD (HR 0.890; 95% CI 0.846–0.936; p < 0.0001), CVI (HR 0.873; 95% CI 0.770–0.991; p = 0.0352), and CrVD (HR 0.869; 95% CI 0.824–0.917; p < 0.0001). CVD risk was significantly decreased in patients using ADT for over 2 years. CVI and CrVD risks were significantly lower in men using ADT for over 3 years.

Conclusion

This study demonstrated that ADT may reduce the risk of CVD, CVI, and CrVD, and ADT duration is associated with this risk reduction.

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Data availability

The data are not publicly available due to privacy or ethical restrictions.

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Acknowledgements

This study was supported by Korean Urological Oncology Society research grant 2018

Funding

Not applicable.

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Correspondence to Kang Su Cho.

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The authors report no conflicts of interest in relation to this work.

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Kim, D., Lee, H.S., Park, JY. et al. Does androgen-deprivation therapy increase the risk of ischemic cardiovascular and cerebrovascular diseases in patients with prostate cancer? A nationwide population-based cohort study. J Cancer Res Clin Oncol 147, 1217–1226 (2021). https://doi.org/10.1007/s00432-020-03412-6

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  • DOI: https://doi.org/10.1007/s00432-020-03412-6

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