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Use of 5-ARIs and risk of prostate cancer mortality
In men with a new diagnosis of prostate cancer, 5a-reductase inhibitors (5-ARIs) are not associated with an increased risk of prostate cancer specific or all-cause mortality, a retrospective cohort study of 13,893 men reports.
Researchers estimated hazard ratios (HR) for prostate cancer-specific and all-cause mortality associated with prediagnostic use of 5-ARIs and found an overall crude incidence rate of 3.86 deaths per 100 person years. When stratified by use and non-use of 5-ARIs, the crude incidence rates per 100 patient years are as follows:
use | non-use | aHR | |
Prostate cancer-specific mortality | 3.76 | 3.87 | 0.86 |
All-cause mortality | 8.42 | 7.93 | 0.87 |
Citation: Azoulay L, Eberg M, Benayoun S, Pollak M. 5a-reductace inhibitors and the risk of cancer-related mortality in men with prostate cancer. JAMA Oncol. 2015; doi: 10.1001/jamaoncol.2015.0387