Trends in United States Prostate Cancer Incidence Rates by Age and Stage, 1995-2012.

Hoffman RM, Meisner AL, Arap W, Barry M, Shah SK, Zeliadt SB, Wiggins CL. Trends in United States Prostate Cancer Incidence Rates by Age and Stage, 1995-2012. Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. 2016 Feb 1; 25(2):259-63.

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Abstract:

BACKGROUND: The advent of PSA testing in the late 1980s substantially increased prostate cancer incidence rates. Concerns about overscreening and overdiagnosis subsequently led professional guidelines (circa 2000 and later) to recommend against routine PSA testing. We evaluated trends in prostate cancer incidence, including late-stage diagnoses, from 1995 through 2012. METHODS: We used joinpoint regression analyses to evaluate all-, localized/regional-, and distant-stage prostate cancer incidence trends based on Surveillance, Epidemiology, and End Results (SEER) data. We stratified analyses by age (50-69, 70+). We reported incidence trends as annual percent change (APC). RESULTS: Overall age-adjusted incidence rates for localized/regional stage prostate cancer have been declining since 2001, sharply from 2010 to 2012 [APC, -13.1; 95% confidence intervals (CI), -23.5 to -1.3]. Distant-stage incidence rates have declined since 1995, with greater declines from 1995 to 1997 (APC, -8.4; 95% CI, -2.3 to -14.1) than from 2003 to 2012 (APC, -1.0; 95% CI, -1.7 to -0.4). Distant-stage incidence rates declined for men ages 70+ from 1995 to 2012, but increased in men ages 50 to 69 years from 2004 to 2012 (APC, 1.7; 95% CI, 0.2 to 3.2). CONCLUSIONS: Guidelines discouraging routine prostate cancer screening were temporally associated with declining localized/regional prostate cancer incidence rates; however, incidence rates of distant-stage disease are now increasing in younger men. IMPACT: This trend may adversely affect prostate cancer mortality rates.