Relationship between androgen deprivation therapy and community-acquired respiratory infections in patients with prostate cancer

International Journal of Urology : Official Journal of the Japanese Urological Association
Marianne SchmidQuoc-Dien Trinh

Abstract

To investigate the dose-dependent effect of androgen deprivation therapy on community-acquired respiratory infections in patients with localized prostate cancer. We identified 52 905 men diagnosed with localized prostate cancer within the Surveillance, Epidemiology and End Results-Medicare database between 1991 and 2006. We compared those who did not receive androgen deprivation therapy with those who received androgen deprivation therapy within 2 years of diagnosis, calculated as monthly equivalent doses (<7, 7-11, >11 doses), or orchiectomy. Adjusted Cox hazard models were fitted to predict the risk of community-acquired respiratory infections (acute sinusitis, acute bronchitis, [severe] pneumonia) in patients treated with medical androgen deprivation therapy versus orchiectomy versus none. Overall, 43.4% received medical androgen deprivation therapy. These patients more likely experienced respiratory events compared with those who did not receive androgen deprivation therapy or who underwent orchiectomy (62.2% vs 54.5% vs 47.8%, P < 0.001). The risk of experiencing any respiratory event increased with the number of doses received. For example, men receiving >11 doses of androgen deprivation therapy were at greatest risk of a...Continue Reading

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