Prognostic stratification ability of the CPS+EG scoring system in HER2-low and HER2-zero early breast cancer treated with neoadjuvant chemotherapy

The CPS+EG scoring system was initially described in unselected early breast cancer (eBC) patients treated with neoadjuvant chemotherapy (NAC), leading to refined prognostic stratification, and thus helping to select patients for additional post-NAC treatments. It remains unknown whether the perform...

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Veröffentlicht in:European journal of cancer (1990) 2024-05, Vol.202, p.114037-114037, Article 114037
Hauptverfasser: Roussot, Nicolas, Constantin, Guillaume, Desmoulins, Isabelle, Bergeron, Anthony, Arnould, Laurent, Beltjens, Françoise, Mayeur, Didier, Kaderbhai, Courèche, Hennequin, Audrey, Jankowski, Clémentine, Padeano, Marie Martine, Costaz, Hélène, Jacinto, Sarah, Michel, Eloise, Amet, Alix, Coutant, Charles, Costa, Brigitte, Jouannaud, Christelle, Deblock, Mathilde, Levy, Christelle, Ferrero, Jean-Marc, Kerbrat, Pierre, Brain, Etienne, Mouret-Reynier, Marie-Ange, Coudert, Bruno, Bertaut, Aurélie, Ladoire, Sylvain
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container_title European journal of cancer (1990)
container_volume 202
creator Roussot, Nicolas
Constantin, Guillaume
Desmoulins, Isabelle
Bergeron, Anthony
Arnould, Laurent
Beltjens, Françoise
Mayeur, Didier
Kaderbhai, Courèche
Hennequin, Audrey
Jankowski, Clémentine
Padeano, Marie Martine
Costaz, Hélène
Jacinto, Sarah
Michel, Eloise
Amet, Alix
Coutant, Charles
Costa, Brigitte
Jouannaud, Christelle
Deblock, Mathilde
Levy, Christelle
Ferrero, Jean-Marc
Kerbrat, Pierre
Brain, Etienne
Mouret-Reynier, Marie-Ange
Coudert, Bruno
Bertaut, Aurélie
Ladoire, Sylvain
description The CPS+EG scoring system was initially described in unselected early breast cancer (eBC) patients treated with neoadjuvant chemotherapy (NAC), leading to refined prognostic stratification, and thus helping to select patients for additional post-NAC treatments. It remains unknown whether the performance is the same in new biological breast cancer entities such as the HER2-low subtype. Outcomes (disease-free (DFS) and overall survival OS)) of 608 patients with HER2-non amplified eBC and treated with NAC were retrospectively analyzed according to CPS-EG score. We compared the prognostic stratification abilities of the CPS+EG in HER2-low and HER2–0 eBC, analyzing ER+ and ER- tumors separately. In ER+ eBC, the CPS+EG scoring system seems to retain a prognostic value, both in HER2-low and HER2–0 tumors, by distinguishing populations with significantly different outcomes (good: score 0–1, poor: score 2–3, and very poor: score 4–5). Using C-indices for DFS and OS, CPS+EG provided the highest prognostic information in ER+ eBC, especially in HER2–0 tumors. In contrast, in ER- eBC, the CPS+EG does not appear to be able to distinguish different outcome groups, either in HER2-low or HER2–0 tumors. In ER- eBC, C-indices for DFS and OS were highest for pathological stage, reflecting the predominant prognostic importance of residual disease in this subtype. HER2-low status does not influence the prognostic performance of the CPS+EG score. Our results confirm the usefulness of the CPS+EG score in stratifying the prognosis of ER+ eBC after NAC, for both HER2–0 and HER2-low tumors. For ER- eBC, HER2-low status does not influence the performance of the CPS+EG score, which was lower than that of the pathological stage alone. •HER2-low status does not influence the prognostic performance of the CPS+EG score.•For ER+ eBC, the CPS+EG score properly stratifies both HER2-0 and HER2-low tumors.•For ER- eBC, the performance of the CPS+EG score is lower than that of the PS alone.
doi_str_mv 10.1016/j.ejca.2024.114037
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It remains unknown whether the performance is the same in new biological breast cancer entities such as the HER2-low subtype. Outcomes (disease-free (DFS) and overall survival OS)) of 608 patients with HER2-non amplified eBC and treated with NAC were retrospectively analyzed according to CPS-EG score. We compared the prognostic stratification abilities of the CPS+EG in HER2-low and HER2–0 eBC, analyzing ER+ and ER- tumors separately. In ER+ eBC, the CPS+EG scoring system seems to retain a prognostic value, both in HER2-low and HER2–0 tumors, by distinguishing populations with significantly different outcomes (good: score 0–1, poor: score 2–3, and very poor: score 4–5). Using C-indices for DFS and OS, CPS+EG provided the highest prognostic information in ER+ eBC, especially in HER2–0 tumors. In contrast, in ER- eBC, the CPS+EG does not appear to be able to distinguish different outcome groups, either in HER2-low or HER2–0 tumors. In ER- eBC, C-indices for DFS and OS were highest for pathological stage, reflecting the predominant prognostic importance of residual disease in this subtype. HER2-low status does not influence the prognostic performance of the CPS+EG score. Our results confirm the usefulness of the CPS+EG score in stratifying the prognosis of ER+ eBC after NAC, for both HER2–0 and HER2-low tumors. 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In ER- eBC, C-indices for DFS and OS were highest for pathological stage, reflecting the predominant prognostic importance of residual disease in this subtype. HER2-low status does not influence the prognostic performance of the CPS+EG score. Our results confirm the usefulness of the CPS+EG score in stratifying the prognosis of ER+ eBC after NAC, for both HER2–0 and HER2-low tumors. 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In ER- eBC, C-indices for DFS and OS were highest for pathological stage, reflecting the predominant prognostic importance of residual disease in this subtype. HER2-low status does not influence the prognostic performance of the CPS+EG score. Our results confirm the usefulness of the CPS+EG score in stratifying the prognosis of ER+ eBC after NAC, for both HER2–0 and HER2-low tumors. For ER- eBC, HER2-low status does not influence the performance of the CPS+EG score, which was lower than that of the pathological stage alone. •HER2-low status does not influence the prognostic performance of the CPS+EG score.•For ER+ eBC, the CPS+EG score properly stratifies both HER2-0 and HER2-low tumors.•For ER- eBC, the performance of the CPS+EG score is lower than that of the PS alone.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>38554542</pmid><doi>10.1016/j.ejca.2024.114037</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record>
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identifier ISSN: 0959-8049
ispartof European journal of cancer (1990), 2024-05, Vol.202, p.114037-114037, Article 114037
issn 0959-8049
1879-0852
language eng
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source MEDLINE; ScienceDirect Journals (5 years ago - present)
subjects Antineoplastic Combined Chemotherapy Protocols - therapeutic use
Breast cancer
Breast Neoplasms - pathology
Chemotherapy, Adjuvant
CPS+EG
Disease-Free Survival
Female
HER2 low
HER2 zero
Humans
Life Sciences
Neoadjuvant chemotherapy
Neoadjuvant Therapy - methods
Neoplasm Staging
Prognosis
Prognostic
Receptor, ErbB-2
Retrospective Studies
Stratification
Survival
title Prognostic stratification ability of the CPS+EG scoring system in HER2-low and HER2-zero early breast cancer treated with neoadjuvant chemotherapy
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