• Xingdong Zhao, Chengfang Jia, Shuaichong Ji, Kewen Lu, Pei Yang, and Yuexin Wang.
• Department of Thyroid and Breast Surgery, Hebei General Hospital Affiliated to North China University of Science and Technology, Shijiazhuang, Hebei Province, China.
• Medicine (Baltimore). 2025 Jan 10; 104 (2): e41221e41221.

AbstractTo assess whether metabolic syndrome can be used as a reference index to evaluate the efficacy of neoadjuvant chemotherapy treatment for breast cancer (BC). Seventy cases of female BC patients who received neoadjuvant chemotherapy treatment and surgical treatment at the Glandular Surgery Department of Hebei Provincial People's Hospital from January 2021 to December 2023 were retrospectively collected, and clinical data such as puncture pathology were recorded. The clinical data were analyzed by 1-way analysis using the χ2 test, and further multifactorial logistic regression analysis was performed for statistically significant differences. The independent risk factor metabolic syndrome (MetS) and its components were plotted in the receiver operating characteristic curve (ROC) curve and baseline graph by R Studio 4.41 software, and the meaningful components were plotted in the column graph by lasso regression analysis for internal validation, and the quality of the model was evaluated by the ROC curve and calibration graph, and then the clinical decision curve analysis was used to evaluate the clinical effectiveness of the model. The neoadjuvant efficacy was statistically associated with whether the patient was first diagnosed between 45 and 55 years of age, estrogen receptors (ER), progesterone receptors (PR) expression status, Her-2 expression status, and whether the patient had MetS, as determined by univariate analysis through χ2 (P < .05). On multifactorial binary logistic regression analysis, ER, PR status, Her-2 status, and the presence of MetS were statistically significant (P < .05) for the efficacy of neoadjuvant chemotherapy. Patients with MetS were less likely to achieve complete pathological remission than those without MetS. MetS and its components were analyzed by lasso regression analysis with RStudio 4.41 software to conclude that hypertension, hyperglycemia, and high-density lipoprotein were all correlates affecting the pathologic complete response (pCR), and a column-line graph was plotted, with a C-index of 0.76, indicating a good predictive efficacy. ER, PR status, Her-2 status and the presence of MetS are independent predictors for assessing the efficacy of neoadjuvant chemotherapy in BC, and MetS can be used as a predictor of the efficacy of neoadjuvant chemotherapy. Clinical references are provided.Copyright © 2025 the Author(s). Published by Wolters Kluwer Health, Inc.

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