Abstract
Abstract
Background
Prostate cancer (PC) is the second most diagnosed cancer in men worldwide. While racial and ethnic differences exist in incidence and mortality, increasing data suggest outcomes by race among men with newly diagnosed PC are similar. However, outcomes among races beyond Black/White have been poorly studied. Moreover, whether outcomes differ by race among men who all have metastatic PC (mPC) is unclear. This systematic literature review (SLR) provides a comprehensive synthesis of current evidence relating race to survival in mPC.
Methods
An SLR was conducted and reported in accordance with PRISMA guidelines. MEDLINE®, Embase, and Cochrane Library using the Ovid® interface were searched for real-world studies published from January 2012 to July 2022 investigating the impact of race on overall survival (OS) and prostate cancer-specific mortality (PCSM) in patients with mPC. A supplemental search of key congresses was also conducted. Studies were appraised for risk of bias.
Results
Of 3228 unique records identified, 62 records (47 full-text and 15 conference abstracts), corresponding to 54 unique studies (51 United States and 3 ex-United States) reporting on race and survival were included. While most studies showed no difference between Black vs White patients for OS (n = 21/27) or PCSM (n = 8/9), most showed that Black patients demonstrated improved OS on certain mPC treatments (n = 7/10). Most studies found no survival difference between White patients and Hispanic (OS: n = 6/8; PCSM: n = 5/6) or American Indian/Alaskan Native (AI/AN) (OS: n = 2/3; PCSM: n = 5/5). Most studies found Asian patients had improved OS (n = 3/4) and PCSM (n = 6/6) vs White patients.
Conclusions
Most studies found Black, Hispanic, and AI/AN patients with mPC had similar survival as White patients, while Black patients on certain therapies and Asian patients showed improved survival. Future studies are needed to understand what aspects of race including social determinants of health are driving these findings.
Publisher
Springer Science and Business Media LLC
Subject
Cancer Research,Urology,Oncology
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