Racial disparities in prostate cancere specific mortality in men with low-risk prostate cancer

Brandon A. Mahal, Ayal A. Aizer, David R. Ziehr, Andrew S. Hyatt, Toni K. Choueiri, Jim C. Hu, Karen E. Hoffman, Christopher J. Sweeney, Clair J. Beard, Anthony V. D'Amico, Neil E. Martin, Simon P. Kim, Quoc Dien Trinh, Paul L. Nguyen

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

This study examined the association of race and prostate cancerespecific mortality (PCSM) in 51,315 men with low-risk prostate cancer, using the Surveillance, Epidemiology, and End Results (SEER) database. African American men were found to have a higher risk of PCSM compared with white men, suggesting that further studies are needed to determine whether guidelines for active surveillance should take race into account. Background: Men with low-risk prostate cancer (CaP) are considered unlikely to die of CaP and have the option of active surveillance. This study evaluated whether African American (AA) men who present with low-risk disease are at higher risk for death from CaP than white men. Patients and Methods: The authors identified 56,045 men with lowrisk CaP (T1-T2a, Gleason score ≤ 6, prostate-specific antigen ≤ 10 ng/mL) diagnosed between 2004 and 2009 using the Surveillance, Epidemiology, and End Results (SEER) database. Fine-Gray competing-risks regression analyses were used to analyze the effect of race on prostate cancerespecific mortality (PCSM) after adjusting for known prognostic and sociodemographic factors in 51,315 men (43,792 white; 7523 AA) with clinical follow-up information available. Results: After a median follow-up of 46 months, 258 patients (209 [0.48%] white and 49 [0.65%] AA men) died from CaP. Both AA race (adjusted hazard ratio [AHR], 1.45; 95% CI, 1.03-2.05; P = .032) and noncurative management (AHR, 1.49; 95% CI, 1.15-1.95; P = .003) were significantly associated with an increased risk of PCSM. When analyzing only patients who underwent curative treatment, AA race (AHR, 1.62; 95% CI, 1.04-2.53; P = .034) remained significantly associated with increased PCSM. Conclusion: Among men with low-risk prostate cancer, AA race compared with white race was associated with a higher risk of PCSM, raising the possibility that clinicians may need to exercise caution when recommending active surveillance for AA men with low-risk disease. Further studies are needed to ultimately determine whether guidelines for active surveillance should take race into account.

Original languageEnglish (US)
Pages (from-to)e189-e195
JournalClinical Genitourinary Cancer
Volume12
Issue number5
DOIs
StatePublished - 2014

Keywords

  • African-American
  • Health Policy
  • Population health
  • Prostatic Neoplasms
  • SEER

ASJC Scopus subject areas

  • Oncology
  • Urology

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