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Inflammation-Based Scores Increase the Prognostic Value of Circulating Tumor Cells in Primary Breast Cancer.

ABSTRACT: A correlation between circulating tumor cells (CTCs) and monocytes in metastatic breast cancer (BC), where CTCs and monocyte-to-lymphocyte ratio (MLR) were predictors of overall survival (OS), was recently shown. Herein, we aimed to assess the association between CTCs and the complete blood count (CBC)-derived inflammation-based scores in 284 primary BC patients. CTCs were determined in CD45-depleted peripheral blood mononuclear cells by real time-PCR. This method allowed us to detect a subset of CTCs with an epithelial-to-mesenchymal transition phenotype (CTC EMT), previously associated with inferior outcomes in primary BC. In the present study, CTC EMT positivity (hazard ratio (HR) = 2.4; 95% CI 1.20-4.66, p = 0.013) and elevated neutrophil-to-lymphocyte ratio (NLR) (HR = 2.20; 95% CI 1.07-4.55; p = 0.033) were associated with shorter progression-free survival (PFS) in primary BC patients. Multivariate analysis showed that CTC EMT-positive patients with NLR ? 3 had 8.6 times increased risk of disease recurrence (95% CI 2.35-31.48, p = 0.001) compared with CTC EMT-negative patients with NLR < 3. Similarly, disease recurrence was 13.14 times more likely in CTC EMT-positive patients with MLR ? 0.34 (95% CI 4.35-39.67, p < 0.001). Given its low methodological and financial demands, the CBC-derived inflammation-based score determination could, after broader validation, significantly improve the prognostication of BC patients.

SUBMITTER: Miklikova S

PROVIDER: S-EPMC7281016 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Inflammation-Based Scores Increase the Prognostic Value of Circulating Tumor Cells in Primary Breast Cancer.

Miklikova Svetlana S Minarik Gabriel G Sedlackova Tatiana T Plava Jana J Cihova Marina M Jurisova Silvia S Kalavska Katarina K Karaba Marian M Benca Juraj J Smolkova Bozena B Mego Michal M

Cancers 20200501 5

A correlation between circulating tumor cells (CTCs) and monocytes in metastatic breast cancer (BC), where CTCs and monocyte-to-lymphocyte ratio (MLR) were predictors of overall survival (OS), was recently shown. Herein, we aimed to assess the association between CTCs and the complete blood count (CBC)-derived inflammation-based scores in 284 primary BC patients. CTCs were determined in CD45-depleted peripheral blood mononuclear cells by real time-PCR. This method allowed us to detect a subset o ...[more]

PMID: 32369910

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Project description:BackgroundTP53 mutations are common in breast cancer. There is currently no large-scale cohort study to investigate the TP53 landscape in breast cancer patients from China. The predictive value of TP53 mutations for the efficacy of human epidermal growth factor receptor 2 (HER2)-targeted therapy in breast cancer remains controversial. In the present study, we aimed to analyze the clinical spectrum and prognostic value of TP53 mutations in circulating tumor DNA (ctDNA) from breast cancer patients in China.MethodsWe retrospectively analyzed the clinical data and TP53 mutation features in ctDNA samples from 804 patients with metastatic breast cancer. TP53 mutations were detected by target region capture-based next-generation sequencing. The relationship between TP53 mutation status and disease-free survival (DFS) was analyzed in 444 patients with metastatic breast cancer. Moreover, the relationship between TP53 mutation status and progression-free survival (PFS) was analyzed in 55 HER2-positive patients treated with first-line trastuzumab-based therapy. Kaplan-Meier analysis was performed to estimate the survival curves of the different subgroups, and the log-rank test was used to compare the curves. A Cox regression model was used to estimate multivariable-adjusted hazard ratios and their 95% confidence intervals (CIs) associated with the DFS and PFS.ResultsAmong the 804 investigated patients, 431 (53.6%) patients harbored TP53 mutations. TP53 mutations were differentially distributed among different molecular subtypes of breast cancer (P < 0.05). Patients with TP53 mutations had a shorter DFS than those with wild-type TP53 (hazard ratio = 1.32, 95% CI = 1.09-1.61, P = 0.005). TP53 mutations in exons 5-8 were associated with worse outcome (hazard ratio = 1.50, 95% CI = 1.11-2.03, P = 0.009). However, TP53 mutation status was not significantly associated with PFS in HER2-positive patients who received first-line trastuzumab-based therapy (P = 0.966). Interestingly, in the taxane combination group, patients with TP53 mutations exhibited longer PFS than those without TP53 mutations (hazard ratio = 0.08, 95% CI = 0.02-0.30, P < 0.001). However, in the non-taxane combination group, patients with TP53 mutations displayed shorter PFS than those with wild-type TP53 (hazard ratio = 4.84, 95% CI = 1.60-14.66, P = 0.005).ConclusionsTP53 mutations in exons 5-8 may be an independent prognostic marker for short DFS in patients with metastatic breast cancer. TP53 mutations had opposite effects on trastuzumab-treated patients treated with and without taxanes.

Dataset Information

Inflammation-Based Scores Increase the Prognostic Value of Circulating Tumor Cells in Primary Breast Cancer.

Publications

Inflammation-Based Scores Increase the Prognostic Value of Circulating Tumor Cells in Primary Breast Cancer.

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