ArticleNPJ breast cancer2025
Racial and ethnic disparities in neoadjuvant chemotherapy patterns and outcomes in early-stage HER2-positive breast cancer.
Article in NPJ breast cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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Abstract
We examined neoadjuvant chemotherapy (NACT) use, pathological complete response (pCR) and the association with overall survival (OS) among patients with early-stage HER2-positive breast cancer (BC). Patients ≥18 years with stage I-III HER2-positive BC from 2010-2022 who had surgery and chemotherapy were identified. Of 195,023 patients treated with chemotherapy, 37.7% received NACT. NACT use increased from 18.6% in 2010 to 63.4% in 2022 (p < 0.001) and pCR rates rose from 21% to 47.6% (p < 0.001). Black patients were less likely to receive NACT (aOR = 0.96;95%CI 0.93-0.99) or achieve pCR (aOR = 0.86;95%CI 0.82-0.90) than White patients. pCR was associated with a reduction in the risk of death (aHR = 0.45;95%CI 0.42-0.48). 3-year OS increased from 91% in 2010 to 95% in 2019 for patients without a pCR (p < 0.001), and from 97% to 99% for patients with pCR (p = 0.002). Further research is needed to understand and address racial and ethnic disparities in treatment access and outcomes.
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