Lung Cancer
Lung Cancer
5 years ago

Clinical outcomes of black vs. non-black patients with locally advanced non–small cell lung cancer

The black population remains underrepresented in clinical trials despite reports suggesting greater incidence and deaths from locally advanced non-small cell lung cancer (NSCLC). We determined outcomes for black and non-black patients in a well-annotated cohort treated with either definitive chemoradiation (CRT; bimodality) or CRT followed by surgery (trimodality therapy). Materials and Methods A retrospective analysis of 355 stage III NSCLC patients treated with curative intent at the University of Maryland, Medical Center, between January 2000-December 2013 was performed. The Kaplan–Meier approach and the Cox proportional hazards models were used to analyze overall survival (OS) and freedom-from-recurrence (FFR) in black and non-black patients. The chi-square test was used to compare categorical variables. Results Black patients comprised 42% of the cohort and were more likely to be younger (p<0.0001), male (p=0.030), single (p<0.0001), reside in lower household income zipcodes (p<0.0001), have an Eastern Cooperative Oncology Group (ECOG) performance status >0 (p<0.001), and less likely to undergo surgery (p<0.0001). With a median follow-up of 15 months for all patients and 89 months for surviving patients (range:1–186 months), median OS times for black and non-black patients were 22 and 24 months, respectively (p=0.698). FFR rates were also comparable between the two groups (p=0.468). Surgery improved OS in both cohorts. Race was not a significant predictor for OS or FFR even when adjusted for other factors. Conclusions We found similar oncologic outcomes in black and non-black NSCLC patients when treated with curative intent in a comprehensive cancer center setting, despite epidemiologic differences in presentation and receipt of care. Future efforts to improve outcomes in black patients could focus on addressing modifiable social disparities.

Publisher URL: www.sciencedirect.com/science

DOI: S016950021730555X

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