Trial reportJCO precision oncology2025
Genomic Characterization and Prognostic Significance of Human Epidermal Growth Factor Receptor 2-Low, Hormone Receptor-Positive, Early Breast Cancers From the BIG 1-98 and SOFT Clinical Trials.
Trial report in JCO precision oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed.
- MAP3K1: A Multifunctional Kinase at the Crossroads of Cancer Progression and Tumor Suppression.Cells · 2026Review
- Characterization of HER2-Positive Murine Breast Cancer Models for Investigating HER2-Targeted Therapy and Immunotherapy.Cancers · 2026Article
- HER2-Low Breast Cancer-Current Knowledge and Future Directions.Medicina (Kaunas, Lithuania) · 2025Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
16 authors.
Funding
Abstract
purposeTo investigate whether hormone receptor-positive, human epidermal growth factor receptor 2-low (HR+HER2-low) versus HR+HER2-zero early breast cancers have distinct genomic and clinical characteristics.
methodsThis study included HR+, HER2-negative early breast cancers from patients enrolled in the phase III, randomized BIG 1-98 and SOFT clinical trials that had undergone tumor genomic sequencing. Tumors were classified HR+HER2-low if they had a centrally reviewed HER2 immunohistochemistry (IHC) score of 1+ or 2+ with negative in situ hybridization and HR+HER2-zero if they had an HER2 IHC score of 0.
resultsA total of 1,795 tumors were evaluable for this study (BIG 1-98 n = 520, SOFT n = 1,275). The frequency of HER2-low tumors was 37% and 21% in the postmenopausal BIG 1-98 and premenopausal SOFT cohorts, respectively. There were no significant differences in clinicopathologic variables between HER2-low and HER2-zero groups which was consistent across both trials. There was no significant difference in risk of distant recurrence for patients with HER2-low tumors versus HER2-zero tumors (5-year % distant recurrence-free 94.0%
conclusionIn two large clinical trials with centrally reviewed HER2 IHC, our findings do not support HER2-low breast cancer as a distinct clinical or biologic entity among HR+HER2- early breast cancers. Absolute differences in median
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