ArticleBMC cancer2022
EVI1 expression in early-stage breast cancer patients treated with neoadjuvant chemotherapy.
Article in BMC cancer, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00544765 (A Multi-center Randomized Phase III Study Evaluating 4 Cycles of Docetaxel, Doxorubicin and Cyclophosphamide Versus 4 Cycles of Vinorelbine and Capecitabine in Patients Not Sufficiently Responding to 2 Cycles of TAC and 4 Cycles of TAC Versus 6 Cycles of TAC in Patients Sufficiently Responding to 2 Cycles of TAC as Preoperative Treatment of Locally Advanced or Operable Primary Breast Cancer), which is not on this map. Cited by 1 paper.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Multi-center Randomized Phase III Study Evaluating 4 Cycles of Docetaxel, Doxorubicin and Cyclophosphamide Versus 4 Cycles of Vinorelbine and Capecitabine in Patients Not Sufficiently Responding to 2 Cycles of TAC and 4 Cycles of TAC Versus 6 Cycles of TAC in Patients Sufficiently Responding to 2 Cycles of TAC as Preoperative Treatment of Locally Advanced or Operable Primary Breast Cancer
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1 citing paper in PubMed, 1 citations in OpenAlex.
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20 authors at 17 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundOverexpression of the EVI1 (ecotropic viral integration site 1) oncogene has recently been implicated as a prognostic factor in breast cancer (BC), particularly in triple-negative BC (TNBC). In this study we aimed to investigate frequency and clinical relevance of EVI1 expression in newly diagnosed BC treated with neoadjuvant chemotherapy.
methodsEVI1 expression was determined by immunohistochemistry using H-score as a cumulative measurement of protein expression in pretherapeutic biopsies of BC patients treated with anthracycline/taxane based neoadjuvant chemotherapy within the GeparTrio trial. EVI1 was analyzed as a continuous variable and dichotomized into low or high based on median expression. Endpoints were pathological complete response (pCR), disease-free survival (DFS) and overall survival (OS).
resultsOf the 993 tumors analyzed, 882 had available subtype information: 50.8% were HR + /HER2-, 15% HR + /HER2 + , 9.8% HR-/HER2 + , and 24.5% TNBC. Median EVI1 H-score was 112.16 (range 0.5-291.4). High EVI1 expression was significantly associated with smaller tumor size (p = 0.002) but not with BC subtype. Elevated EVI1 levels were not significantly associated with therapy response and survival in the entire cohort or within BC subtypes. However, TNBC patients with high EVI1 showed a trend towards increased pCR rates compared to low group (37.7% vs 27.5%, p = 0.114; odds ratio 1.60 (95%CI 0.90-2.85, p = 0.110) and numerically better DFS (HR = 0.77 [95%CI 0.48-1.23], log-rank p = 0.271) and OS (HR = 0.76 [95% 0.44-1.31], log-rank p = 0.314) without reaching statistical significance.
conclusionEVI1 was not associated with response to neoadjuvant therapy or patient survival in the overall cohort. Further analyses are needed to verify our findings especially in the pathological work-up of early-stage HER2-negative BC patients.
trial registrationNCT00544765.
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