Survival Disparities in US Black Compared to White Women with Hormone Receptor Positive-HER2 Negative Breast Cancer

Author:

Lovejoy Leann A.1,Shriver Craig D.23ORCID,Haricharan Svasti4,Ellsworth Rachel E.25ORCID

Affiliation:

1. Chan Soon-Shiong Institute of Molecular Medicine at Windber, Windber, PA 15963, USA

2. Murtha Cancer Center/Research Program, Uniformed Services University of the Health Sciences and Walter Reed National Military Medical Center, Bethesda, MD 20889, USA

3. Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20889, USA

4. Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA

5. Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA

Abstract

Black women in the US have significantly higher breast cancer mortality than White women. Within biomarker-defined tumor subtypes, disparate outcomes seem to be limited to women with hormone receptor positive and HER2 negative (HR+/HER2−) breast cancer, a subtype usually associated with favorable prognosis. In this review, we present data from an array of studies that demonstrate significantly higher mortality in Black compared to White women with HR+/HER2-breast cancer and contrast these data to studies from integrated healthcare systems that failed to find survival differences. Then, we describe factors, both biological and non-biological, that may contribute to disparate survival in Black women.

Funder

Uniformed Services University of the Health Sciences

Publisher

MDPI AG

Subject

Health, Toxicology and Mutagenesis,Public Health, Environmental and Occupational Health

Reference82 articles.

1. American Cancer Society (2022). Cancer Facts and Figures 2022, American Cancer Society.

2. American Cancer Society (2022). Cancer Facts & Figures for African American/Black People 2022–2024, American Cancer Society.

3. American Cancer Society (2019). Breast Cancer Facts and Figure 2019 and Figure 2020, American Cancer Society.

4. Ma, H., Lu, Y., Malone, K.E., Marchbanks, P.A., Deapen, D.M., Spirtas, R., Burkman, R.T., Strom, B.L., A McDonald, J., and Folger, S.G. (2013). Mortality risk of black women and white women with invasive breast cancer by hormone receptors, HER2, and p53 status. BMC Cancer, 13.

5. Intrinsic breast tumor subtypes, race, and long-term survival in the Carolina Breast Cancer Study;Cole;Clin. Cancer Res.,2010

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