Monitoring Serum VEGF in Neoadjuvant Chemotherapy for Patients with Triple-Negative Breast Cancer: A New Strategy for Early Prediction of Treatment Response and Patient Survival

Author:

Wang Ruo-Xi12,Chen Sheng12,Huang Liang12,Zhou Ying12,Shao Zhi-Ming123

Affiliation:

1. Department of Breast Surgery, Fudan University Shanghai Cancer Center/Cancer Institute, Shanghai, People's Republic of China

2. Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China

3. Institutes of Biomedical Science, Fudan University, Shanghai, People's Republic of China

Abstract

Abstract Background This study aimed to investigate the clinical utility of serum biomarker changes during neoadjuvant chemotherapy (NAC) for triple-negative breast cancer (TNBC). Methods A total of 303 patients with TNBC were included in this study. Serum samples were taken at three time points during NAC: baseline, prior to the third cycle, and prior to surgery. Luminex multibiomarker panel for 29 serum biomarkers was used to detect their correlation with NAC response. The predictive and prognostic value of each selected biomarker was then studied. Results Vascular endothelial growth factor (VEGF) was the only biomarker that correlated with treatment response, with a decreasing trend in pCR patients relative to non-pCR patients (p < .001). Univariable and multivariable analyses revealed that the relative change in VEGF prior to the third cycle of NAC had a remarkable predictive value for both pCR and pathological nonresponse with high sensitivity and specificity. VEGF was also independently correlated with disease-free survival. Conclusion Our findings indicate that monitoring serum VEGF could help identify patients with different responses at an early time point of NAC and at varying risk of disease relapse. Serum VEGF may also serve as an alternative to traditional response-evaluating methodologies in tailoring and modifying the NAC strategy for both operable and advanced TNBCs.

Funder

Natural Science Foundation of Shanghai

Publisher

Oxford University Press (OUP)

Subject

Cancer Research,Oncology

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