Association of androgen-deprivation therapy with excess cardiac-specific mortality in men with prostate cancer.

Ziehr DR, Chen MH, Zhang D, Braccioforte MH, Moran BJ, Mahal BA, Hyatt AS, Basaria SS, Beard CJ, Beckman JA, Choueiri TK, D'Amico AV, Hoffman KE, Hu JC, Martin NE, Sweeney CJ, Trinh QD, Nguyen PL
BJU Int. 2015 116 (3): 358-65

PMID: 25124891 · DOI:10.1111/bju.12905

OBJECTIVES - To determine if androgen-deprivation therapy (ADT) is associated with excess cardiac-specific mortality (CSM) in men with prostate cancer and no cardiovascular comorbidity, coronary artery disease risk factors, or congestive heart failure (CHF) or past myocardial infarction (MI).

PATIENTS AND METHODS - In all, 5077 men (median age 69.5 years) with cT1c-T3N0M0 prostate cancer were treated with brachytherapy with or without neoadjuvant ADT (median duration 4 months) between 1997 and 2006. Fine and Gray competing risks analysis evaluated the association of ADT with CSM, adjusting for age, year of brachytherapy, and ADT treatment propensity score among men in groups defined by cardiac comorbidity.

RESULTS - After a median follow-up of 4.8 years, no association was detected between ADT and CSM in men with no cardiac risk factors (1.08% at 5 years for ADT vs 1.27% at 5 years for no ADT, adjusted hazard ratio (AHR) 0.83; 95% confidence interval (CI), 0.39-1.78; P = 0.64; n = 2653) or in men with diabetes mellitus, hypertension, or hypercholesterolaemia (2.09% vs 1.97%, AHR 1.33; 95% CI 0.70-2.53; P = 0.39; n = 2168). However, ADT was associated with significantly increased CSM in men with CHF or MI (AHR 3.28; 95% CI 1.01-10.64; P = 0.048; n = 256). In this subgroup, the 5-year cumulative incidence of CSM was 7.01% (95% CI 2.82-13.82%) for ADT vs 2.01% (95% CI 0.38-6.45%) for no ADT.

CONCLUSION - ADT was associated with a 5% absolute excess risk of CSM at 5 years in men with CHF or prior MI, suggesting that administering ADT to 20 men in this potentially vulnerable subgroup could result in one cardiac death.

© 2014 The Authors. BJU International © 2014 BJU International Published by John Wiley & Sons Ltd.

MeSH Terms (13)

Aged Aged, 80 and over Androgen Antagonists Antineoplastic Agents, Hormonal Coronary Disease Goserelin Humans Leuprolide Male Middle Aged Prostatic Neoplasms Retrospective Studies Risk Factors

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