ArticleBreast cancer research and treatment2025
Oncotype DX recurrence score in node-positive patients in the post-RxPONDER era: a single-institution experience.
Article in Breast cancer research and treatment, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- De-escalating axillary surgery in early breast cancer: external validation of a retrospective cohort.Journal of cancer research and clinical oncology · 2026Observational
- Real-world chemotherapy use and survival outcomes in postmenopausal HR+/HER2-breast cancer with low genomic risk (RS ≤ 25): a multicenter cohort study from China.Scientific reports · 2026Article
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6 authors.
Funding
Abstract
purposeRxPONDER showed that in postmenopausal women with early-stage hormone receptor + /HER2- breast cancer (BC) with 1-3 positive axillary lymph nodes (LN) and a recurrence score ≤ 25, the addition of chemotherapy to endocrine therapy did not improve distant recurrence-free survival. We sought to evaluate Oncotype DX recurrence score (ODX RS) distribution in LN negative and LN positive patients aged ≥ 50 years (y) and to determine clinicopathologic factors associated with RS.
methodsODX RS, demographic, and pathologic information was collected for patients with ER + /HER2- BC with 0 (patients < 50y) or 0-3 positive (patients ≥ 50y) LN treated at our institution between January 2021 and December 2022. Statistical analyses were conducted using Pearson chi-square and two-tailed t tests.
resultsThe study cohort included 2378 BC from 2285 women. Among women ≥ 50y, there was no significant difference in RS distribution between pN0, pN1mi, and pN1a patients; with 85.4%, 86.5%, and 81% having a RS ≤ 25, respectively. Among LN + women ≥ 50y, RS > 25 was significantly associated with higher grade (P = .001), lower ER (P = .007), and lower PR (P < .001). Among LN- women ≥ 50y, RS > 25 was significantly associated with higher grade (P < .001), lower ER (P < .001), and lower PR (P < .001).
conclusionODX RS distribution among LN + and LN- women aged ≥ 50y was similar. In this population, RS is significantly associated with tumor grade, ER, and PR, regardless of LN status. In our post-RxPONDER era cohort, over 80% of women aged ≥ 50y with early-stage ER + /HER2- BC with ≤ 3 positive axillary LN would be spared chemotherapy based on RS, regardless of nodal status.
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