ArticleBreast cancer research and treatment2018
Obesity and survival in the neoadjuvant breast cancer setting: role of tumor subtype in an ethnically diverse population.
Article in Breast cancer research and treatment, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 5 of them syntheses that pooled it.
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17 citing papers in PubMed, 5 syntheses or guidelines pooled it, 39 citations in OpenAlex.
- Continental differences in the association between excess body weight and prognosis in triple-negative breast cancer: a meta-analysis.Breast cancer research and treatment · 2025Pooled it
- Pooled it
- Postdiagnosis body fatness, weight change and breast cancer prognosis: Global Cancer Update Program (CUP global) systematic literature review and meta-analysis.International journal of cancer · 2023Pooled it
- Association of Obesity With Breast Cancer Outcome in Relation to Cancer Subtypes: A Meta-Analysis.Journal of the National Cancer Institute · 2021Pooled it
- Association between obesity with disease-free survival and overall survival in triple-negative breast cancer: A meta-analysis.Medicine · 2018Pooled it
- The role of body composition in neurological and hematologic toxicity in a retrospective analysis of 120 breast cancer patients undergoing neoadjuvant chemotherapy: the COMBOTOX study.Breast cancer research and treatment · 2025Observational
- Obesity-Associated Breast Cancer: Analysis of Risk Factors and Current Clinical Evaluation.Advances in experimental medicine and biology · 2024Review
- Association between high body mass index and prognosis of patients with early-stage breast cancer: A systematic review and meta-analysis.Cancer pathogenesis and therapy · 2023Review
- Overexpression of C19orf48 correlates with poor prognosis in breast cancer.African health sciences · 2023Article
- Obesity as a Risk Factor for Breast Cancer-The Role of miRNA.International journal of molecular sciences · 2022Review
- Obesity is associated with early recurrence on breast cancer patients that achieved pathological complete response to neoadjuvant chemotherapy.Scientific reports · 2022Article
- Diet impacts triple-negative breast cancer growth, metastatic potential, chemotherapy responsiveness, and doxorubicin-mediated cardiac dysfunction.Physiological reports · 2022Article
- Better overall survival in patients who achieve pathological complete response after neoadjuvant chemotherapy for breast cancer in a Chilean public hospital.Ecancermedicalscience · 2021Article
- Current Landscape: The Mechanism and Therapeutic Impact of Obesity for Breast Cancer.Frontiers in oncology · 2021Review
- MicroRNA-497/fibroblast growth factor-23 axis, a predictive indictor for decreased major adverse cardiac and cerebral event risk in end-stage renal disease patients who underwent continuous ambulatory peritoneal dialysis.Journal of clinical laboratory analysis · 2020Article
- Clinical and pathological factors predictive of response to neoadjuvant chemotherapy in breast cancer: A single center experience.Oncology letters · 2019Article
- Obesity-induced MBD2_v2 expression promotes tumor-initiating triple-negative breast cancer stem cells.Molecular oncology · 2019Article
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7 authors at 4 institutions in 1 country.
Funding
Abstract
backgroundObesity may negatively affect survival in breast cancer (BC), but studies are conflicting, and associations may vary by tumor subtypes and race/ethnicity groups.
methodsIn a retrospective review, we identified 273 women with invasive BC administered Adriamycin/Taxane-based neoadjuvant chemotherapy from 2004 to 2016 with body mass index (BMI) data at diagnosis. Obesity was defined as BMI ≥30. Associations between obesity and event-free survival (EFS), using STEEP events, and overall survival (OS), using all-cause mortality, were assessed overall and stratified by tumor subtype [[Hormone Receptor Positive (HR+)/HER2-, HER2+, and Triple-Negative Breast Cancer (TNBC])] in our diverse population.
resultsMedian follow-up was 32.6 months (range 5.7-137.8 months). Overall, obesity was associated with worse EFS (HR 1.71, 95% CI 1.03-2.84, p = 0.04) and a trend towards worse OS (p = 0.13). In HR+/HER2- disease (n = 135), there was an interaction between obesity and hormonal therapy with respect to OS but not EFS. In those receiving tamoxifen (n = 33), obesity was associated with worse OS (HR 9.27, 95% CI 0.96-89.3, p = 0.05). In those receiving an aromatase inhibitor (n = 89), there was no association between obesity and OS. In TNBC (n = 44), obesity was associated with worse EFS (HR 2.62, 95% CI 1.03-6.66, p = 0.04) and a trend towards worse OS (p = 0.06). In HER2+ disease (n = 94), obesity was associated with a trend towards worse EFS (HR 3.37, 95% CI 0.97-11.72, p = 0.06) but not OS. Race/ethnicity was not associated with survival in any subtype, and there were no interactions with obesity on survival.
conclusionsObesity may negatively impact survival, with differences among tumor subtypes.
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