ArticleBMC cancer2025
Cardiovascular risks associated with adjuvant endocrine therapy in women with breast cancer: a population-based cohort study.
Article in BMC cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Sodium-glucose cotransporter 2 inhibitors in breast cancer patients on endocrine therapy: a targeted strategy to mitigate long-term cardiometabolic risk.Journal of translational medicine · 2026Review
- Effect of VSOR/VRAC blocker tamoxifen on contractile activity of primary neonatal cardiomyocytes and isolated perfused heart.BMC research notes · 2026Article
- Endocrine regimen and early subclinical atherosclerosis in premenopausal HR+/HER2- breast cancer: real-world evidence and regimen-dependent effects of Sanhuang Decoction.Frontiers in oncology · 2026Article
- The mechanisms and therapeutic advances of interactions between breast cancer and cardiovascular diseases.Frontiers in pharmacology · 2026Review
- Review
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Authors and funding
13 authors.
Funding
Abstract
backgroundEndocrine therapies, including tamoxifen (TMX) and aromatase inhibitors (AIs), are widely used in breast cancer treatment. This study aims to evaluate the cardiovascular risks associated with these therapies in different age groups of non-metastatic breast cancer patients.
methodsWe conducted a cohort study using data from patients newly diagnosed with non-metastatic breast cancer. Patients were categorized into two ages (< 45 years and > 55 years) and then divided into groups based on whether they were newly receiving either TMX or AI. Follow-up continued until the first occurrence of a study outcome, death, or the last date of data collection (December 31, 2022). Primary outcomes were coronary artery disease, myocardial infarction (MI), ischemic stroke, hospitalization for heart failure (HHF), atrial fibrillation (AF), cardiovascular mortality, all-cause mortality, and major adverse cardiovascular events (MACE).
resultsAmong patients < 45 years old, 2837 were newly treated with TMX (n = 2370) or AI (n = 467). During a median follow-up of 8.4 years, the incidence rates of coronary artery disease (5.6 vs. 6.6 per 1000 person-years), myocardial infarction (1.0 vs. 1.7 per 1000 person-years), ischemic stroke (1.5 vs. 1.5 per 1000 person-years), and cardiovascular mortality (1.4 vs. 1.5 per 1000 person-years) were similar between TMX and AI users, with no significant differences in hazard ratios or cumulative incidence curves. However, AI users had a higher risk of HHF (Weighted HR, 3.08 [95% CI, 1.54-6.13], P = 0.001) and AF (P = 0.039) compared to TMX users. For MACE, there was a non-significant elevated risk (Weighted HR, 1.59 [95% CI, 0.90-2.81]), suggesting a trend toward increased risk. Among patients > 55 years old, 11,846 were newly treated with TMX (n = 6577) or AI (n = 5269). During a median follow-up of 5.0 years, AI users had a significantly increased risk of primary cardiovascular outcomes, including CAD, MI, ischemic stroke, HHF, AF, cardiovascular mortality, and MACE (all P < 0.01).
conclusionThe study indicates that AIs are linked to a higher risk of cardiovascular events in post-menopausal patients compared to TMX. In younger patients, TMX's protective effect on cardiovascular outcomes may be less pronounced. Further large-scale studies are required to corroborate and address limitations related to menopausal status and residual confounding.
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