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Prospective Validation of Immunological Infiltrate for Prediction of Response to Neoadjuvant Chemotherapy in HER2-Negative Breast Cancer – A Substudy of the Neoadjuvant GeparQuinto Trial

Open access
Issa-Nummer, Yasmin, Darb-Esfahani, Silvia, Loibl, Sibylle, Kunz, Georg, Nekljudova, Valentina, Schrader, Iris, Sinn, Bruno Valentin, Ulmer, Hans-Ullrich, Kronenwett, Ralf, Just, Marianne, Kühn, Thorsten, Diebold, Kurt, Untch, Michael, Holms, Frank, Blohmer, Jens-Uwe, Habeck, Jörg-Olaf, Dietel, Manfred, Overkamp, Friedrich, Krabisch, Petra, von Minckwitz, Gunter, Denkert, Carsten·2013·PLoS ONE

Abstract

INTRODUCTION: We have recently described an increased lymphocytic infiltration rate in breast carcinoma tissue is a significant response predictor for anthracycline/taxane-based neoadjuvant chemotherapy (NACT). The aim of this study was to prospectively validate the tumor-associated lymphocyte infiltrate as predictive marker for response to anthracycline/taxane-based NACT. PATIENTS AND METHODS: The immunological infiltrate was prospectively evaluated in a total of 313 core biopsies from HER2 negative patients of the multicenter PREDICT study, a substudy of the neoadjuvant GeparQuinto study. Intratumoral lymphocytes (iTuLy), stromal lymphocytes (strLy) as well as lymphocyte-predominant breast cancer (LPBC) were evaluated by histopathological assessment. Pathological complete response (pCR) rates were analyzed and compared between the defined subgroups using the exact test of Fisher. RESULTS: Patients with lymphocyte-predominant breast cancer (LPBC) had a significantly increased pCR rate of 36.6%, compared to non-LPBC patients (14.3%, p<0.001). LPBC and stromal lymphocytes were significantly independent predictors for pCR in multivariate analysis (LPBC: OR 2.7, p = 0.003, strLy: OR 1.2, p = 0.01). The amount of intratumoral lymphocytes was significantly predictive for pCR in univariate (OR 1.2, p = 0.01) but not in multivariate logistic regression analysis (OR 1.2, p = 0.11). CONCLUSION: Confirming previous investigations of our group, we have prospectively validated in an independent cohort that an increased immunological infiltrate in breast tumor tissue is predictive for response to anthracycline/taxane-based NACT. Patients with LPBC and increased stromal lymphocyte infiltration have significantly increased pCR rates. The lymphocytic infiltrate is a promising additional parameter for histopathological evaluation of breast cancer core biopsies.

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Metadata

Authors
Issa-Nummer, Y., Darb-Esfahani, S., Loibl, S., Kunz, G., Nekljudova, V., Schrader, I., Sinn, B. V., Ulmer, H.-U., Kronenwett, R., Just, M., Kühn, T., Diebold, K., Untch, M., Holms, F., Blohmer, J.-U., Habeck, J.-O., Dietel, M., Overkamp, F., Krabisch, P., von Minckwitz, G., & Denkert, C.
Venue
PLoS ONE
Published
2013-12-02
Volume
8
Issue
12
Pages
e79775
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2053662475
Cited by
224
References
3
FWCI
7.04
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Prospective Validation of Immunological Infiltrate for Prediction of Response to Neoadjuvant Chemotherapy in HER2-Negative Breast Cancer – A Substudy of the Neoadjuvant GeparQuinto Trial. https://app.cochat.ai/papers/10.1371/journal.pone.0079775
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Issa-Nummer, Y., Darb-Esfahani, S., Loibl, S., Kunz, G., Nekljudova, V., Schrader, I., Sinn, B. V., Ulmer, H.-U., Kronenwett, R., Just, M., Kühn, T., Diebold, K., Untch, M., Holms, F., Blohmer, J.-U., Habeck, J.-O., Dietel, M., Overkamp, F., Krabisch, P., . . . Denkert, C. (2013). Prospective Validation of Immunological Infiltrate for Prediction of Response to Neoadjuvant Chemotherapy in HER2-Negative Breast Cancer – A Substudy of the Neoadjuvant GeparQuinto Trial. PLoS ONE. https://doi.org/10.1371/journal.pone.0079775

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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