Prognostic Impact of Stromal Immune Infiltration before and after Neoadjuvant Chemotherapy (NAC) in Triple Negative Inflammatory Breast Cancers (TNIBC) Treated with Dose-Dense Dose-Intense NAC - Archive ouverte HAL Access content directly
Journal Articles Cancers Year : 2020

Prognostic Impact of Stromal Immune Infiltration before and after Neoadjuvant Chemotherapy (NAC) in Triple Negative Inflammatory Breast Cancers (TNIBC) Treated with Dose-Dense Dose-Intense NAC

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Caroline Cuvier
  • Function : Author
  • PersonId : 1078341
Cedric de Bazelaire
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  • PersonId : 1078342
Stephanie Becourt
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  • PersonId : 1078344
Florence Ledoux
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  • PersonId : 1078345
Hamid Hocini
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  • PersonId : 1078346
Edwige Bourstyn
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  • PersonId : 1078347
Catherine Miquel
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  • PersonId : 1078348
Sophie Guillerm
  • Function : Author
  • PersonId : 1078349
Patrick Charveriat
  • Function : Author
  • PersonId : 1078350
Anne de Roquancourt
  • Function : Author
  • PersonId : 1078352
Anne-Sophie Hamy
  • Function : Author
  • PersonId : 944265
Sylvie Giacchetti
  • Function : Author
  • PersonId : 1078353

Abstract

Inflammatory breast cancers are very aggressive, and among them, triple negative breast cancer (TNBC) has the worst prognosis. While many studies have investigated the association between tumor-infiltrating lymphocytes (TIL) before neoadjuvant chemotherapy (NAC) and outcome in TNBC, the impact of post-NAC TIL and TIL variation in triple negative inflammatory breast cancer (TNIBC) outcome is unknown. Between January 2010 to December 2018, all patients with TNIBC seen at the breast disease unit (Saint-Louis Hospital) were treated with dose-dense dose-intense NAC. The main objective of the study was to determine factors associated with event-free survival (EFS), particularly pathological complete response (pCR), pre- and post-NAC TIL, delta TIL and post-NAC lymphovascular invasion (LVI). After univariate analysis, post-NAC LVI (HR 2.06; CI 1.13-3.74; p = 0.02), high post-NAC TIL (HR 1.81; CI 1.07-3.06; p = 0.03) and positive delta TIL (HR 2.20; CI 1.36-3.52; p = 0.001) were significantly associated with impaired EFS. After multivariate analysis, only a positive TIL variation remained negatively associated with EFS (HR 1.88; CI 1.05-3.35; p = 0.01). TNIBC patients treated with intensive NAC who present TIL enrichment after NAC have a high risk of relapse, which could be used as a prognostic marker in TNIBC and could help to choose adjuvant post-NAC treatment.
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Dates and versions

hal-02953932 , version 1 (30-09-2020)

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Luca Campedel, Paul Blanc-Durand, Asker Bin Asker, Jacqueline Lehmann-Che, Caroline Cuvier, et al.. Prognostic Impact of Stromal Immune Infiltration before and after Neoadjuvant Chemotherapy (NAC) in Triple Negative Inflammatory Breast Cancers (TNIBC) Treated with Dose-Dense Dose-Intense NAC. Cancers, 2020, 12 (9), pp.2657. ⟨10.3390/cancers12092657⟩. ⟨hal-02953932⟩
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