ArticleBreast cancer research : BCR2025
Fluoroestradiol (FES) and Fluorodeoxyglucose (FDG) PET imaging in patients with ER+, HER2-positive or HER2-negative metastatic breast cancer.
Article in Breast cancer research : BCR, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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Who cites it
1 citing paper in PubMed.
- Shortwave Infrared (SWIR)-Emitting Tamoxifen-Conjugated Cyanine Dyes for Estrogen Receptor-Targeted Cancer Imaging.ACS medicinal chemistry letters · 2025Article
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Authors and funding
10 authors.
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Abstract
background
methodsWe conducted a retrospective study examining uptake in matched lesions for FES and FDG-PET scans, assessing these parameters in 213 patients with ER-positive/HER2-positive (n = 33) versus ER-positive/HER2-negative MBC (n = 180). We employed log-rank and t-tests to assess the association of HER2 status with outcome variables and the hypotheses that patients expressing HER2-positive disease lived longer than patient with HER2-negative disease.
resultsNo difference in FES or FDG avidity was observed between patients with HER2-negative or HER2-positive tumor status. Limited data also suggests that patients with HER2-positive disease had better overall survival (p = 0.024), than those with HER2-negative disease, but not time-to-progression between the same patient cohorts.
conclusionThis retrospective analysis suggests that there is a possible role for future trials using FES-PET in helping to select patients with ER+/HER2-positive primary tumors who retain ER expression at all sites of disease and may benefit from endocrine therapy.
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