ArticleClinical breast cancer2025
Factors Associated With Short- and Long-Term Survival in Metastatic HER2-Positive Breast Cancer.
Article in Clinical breast cancer, 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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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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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.
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Who cites it
2 citing papers in PubMed.
- Too much, too soon?-trastuzumab deruxtecan in the first line metastatic setting.Translational cancer research · 2026Article
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Authors and funding
7 authors.
Funding
Abstract
backgroundWe sought to evaluate prognostic factors in human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer (MBC) and their relationship with short- and long-term overall survival (OS).
methodsUsing the Surveillance, Epidemiology, and End Results (SEER) database, we evaluated patients with de novo HER2-positive MBC diagnosed from 2010 to 2018. Univariate analyses were performed to determine effect of each variable on OS. Significant variables were included in a multivariate Cox model for OS. Univariate and multivariate logistic regression were used to evaluate the association of each variable with short- (<2 years) and long- (≥5 years) term OS.
resultsOverall, 5576 patients were included. Median follow up was 48 months (interquartile range 25-73 months), and median OS was 41 months. The proportion alive at 2, 5, and 8 years was 63.3% (95% confidence interval [CI] 62.0%-64.7%), 37.8% (95% CI, 36.2%-39.4%), and 26.8% (95% CI, 24.8%-28.9%), respectively. Factors associated with short-term OS were older age; Black race; nonductal nonlobular; brain, liver, or lung metastases; estrogen/progesterone receptor (ER/PR)-negative disease, and lower income (all P < .04). Number of metastatic organ sites was not significant. Factors associated with long-term OS were younger age, White race, fewer metastatic organ sites, ER/PR-positive disease, and higher income (all P < .02). Specific organ sites were not significant.
conclusionsIn this cohort with de novo HER2-positive MBC, OS improved significantly over the study period. We identified patient-specific and tumor-specific factors that were associated with short- and long-term survival in HER2-positive MBC.
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