Abstract
Abstract Background: Prostate-specific antigen testing (PSA) has dramatically changed the composition of prostate cancer, making it difficult to assess incidence trends. By defining fatal prostate cancer as the underlying cause of death from disease within 10 years of diagnosis, we have been able to conduct an in-depth analysis of “clinically relevant” prostate cancer incidence trends. Methods: We extracted incident prostate cancer cases, causes of death and survival among men aged 45-84 years using the US Surveillance, Epidemiology, and End Results (SEER) database (1975-2002). In addition to standard descriptive analyses, the ability to distinguish prostate cancer cases that were ultimately fatal enabled us to fit age-period-cohort models. Results: Among 51,682 fatal prostate cancer cases, incidence increased 1% per year prior to 1992, declined 15% per year from 1992-1995, and further declined by 5% per year through 2002. Age-specific incidence rates of fatal disease decreased over 2% per year among men aged 55 years and older, yet increased up to 1% per year among younger men. Fatal disease rates were more than 2-fold higher in black men compared with white men, a racial disparity that increased to 3-6 fold among younger men. Conclusion: In the United States, after widespread use of PSA screening and advances in prostate cancer treatment, fatal prostate cancer rates have substantially declined. Yet, rates of fatal prostate cancer among younger men have remained relatively stable, suggesting the need for additional attention to early-onset prostate cancer that has the potential to result in death. This study also highlights the persistent black-to-white racial disparity in fatal prostate cancer, underscoring the need for a greater understanding of the causes of this difference so that strategies may be implemented to reduce, and ultimately eliminate, racial disparities in prostate cancer. Citation Format: Scott P. Kelly, Philip S. Rosenberg, William F. Anderson, Sean D. Cleary, Naji Younes, Gabriella Andreotti, Michael B. Cook. Trends in fatal prostate cancer incidence by race among US men. [abstract]. In: Proceedings of the 107th Annual Meeting of the American Association for Cancer Research; 2016 Apr 16-20; New Orleans, LA. Philadelphia (PA): AACR; Cancer Res 2016;76(14 Suppl):Abstract nr 5208.
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