HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context
Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the abil...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Valentina Guarneri [verfasserIn] Fara Bras..-Maristany [verfasserIn] Maria Vittoria Dieci [verfasserIn] Gaia Griguolo [verfasserIn] Laia Par.. [verfasserIn] Mercedes Mar.ín-Aguilera [verfasserIn] Federica Miglietta [verfasserIn] Michele Bottosso [verfasserIn] Carlo Alberto Giorgi [verfasserIn] Paula Blasco [verfasserIn] Oleguer Castillo [verfasserIn] Patricia Galv..n [verfasserIn] Ana Vivancos [verfasserIn] Patricia Villagrasa [verfasserIn] Joel S. Parker [verfasserIn] Charles M. Perou [verfasserIn] PierFranco Conte [verfasserIn] Aleix Prat [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: EBioMedicine - Elsevier, 2015, 85(2022), Seite 104320- |
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| Übergeordnetes Werk: |
volume:85 ; year:2022 ; pages:104320- |
| Links: |
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| DOI / URN: |
10.1016/j.ebiom.2022.104320 |
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| Katalog-ID: |
DOAJ028946022 |
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| 100 | 0 | |a Valentina Guarneri |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context |
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| 520 | |a Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. Funding: This study received funding from Reveal Genomics. | ||
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| 650 | 4 | |a Breast cancer | |
| 650 | 4 | |a HER2DX | |
| 650 | 4 | |a Biomarker | |
| 650 | 4 | |a Gene expression | |
| 650 | 4 | |a Trastuzumab | |
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| 700 | 0 | |a Maria Vittoria Dieci |e verfasserin |4 aut | |
| 700 | 0 | |a Gaia Griguolo |e verfasserin |4 aut | |
| 700 | 0 | |a Laia Par.. |e verfasserin |4 aut | |
| 700 | 0 | |a Mercedes Mar.ín-Aguilera |e verfasserin |4 aut | |
| 700 | 0 | |a Federica Miglietta |e verfasserin |4 aut | |
| 700 | 0 | |a Michele Bottosso |e verfasserin |4 aut | |
| 700 | 0 | |a Carlo Alberto Giorgi |e verfasserin |4 aut | |
| 700 | 0 | |a Paula Blasco |e verfasserin |4 aut | |
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| 700 | 0 | |a Ana Vivancos |e verfasserin |4 aut | |
| 700 | 0 | |a Patricia Villagrasa |e verfasserin |4 aut | |
| 700 | 0 | |a Joel S. Parker |e verfasserin |4 aut | |
| 700 | 0 | |a Charles M. Perou |e verfasserin |4 aut | |
| 700 | 0 | |a PierFranco Conte |e verfasserin |4 aut | |
| 700 | 0 | |a Aleix Prat |e verfasserin |4 aut | |
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10.1016/j.ebiom.2022.104320 doi (DE-627)DOAJ028946022 (DE-599)DOAJ7a7c9969d4c14817a9f13e36c3db43cc DE-627 ger DE-627 rakwb eng R5-920 Valentina Guarneri verfasserin aut HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. Funding: This study received funding from Reveal Genomics. HER2-positive Breast cancer HER2DX Biomarker Gene expression Trastuzumab Medicine R Medicine (General) Fara Bras..-Maristany verfasserin aut Maria Vittoria Dieci verfasserin aut Gaia Griguolo verfasserin aut Laia Par.. verfasserin aut Mercedes Mar.ín-Aguilera verfasserin aut Federica Miglietta verfasserin aut Michele Bottosso verfasserin aut Carlo Alberto Giorgi verfasserin aut Paula Blasco verfasserin aut Oleguer Castillo verfasserin aut Patricia Galv..n verfasserin aut Ana Vivancos verfasserin aut Patricia Villagrasa verfasserin aut Joel S. Parker verfasserin aut Charles M. Perou verfasserin aut PierFranco Conte verfasserin aut Aleix Prat verfasserin aut In EBioMedicine Elsevier, 2015 85(2022), Seite 104320- (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:85 year:2022 pages:104320- https://doi.org/10.1016/j.ebiom.2022.104320 kostenfrei https://doaj.org/article/7a7c9969d4c14817a9f13e36c3db43cc kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396422005023 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 85 2022 104320- |
| spelling |
10.1016/j.ebiom.2022.104320 doi (DE-627)DOAJ028946022 (DE-599)DOAJ7a7c9969d4c14817a9f13e36c3db43cc DE-627 ger DE-627 rakwb eng R5-920 Valentina Guarneri verfasserin aut HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. Funding: This study received funding from Reveal Genomics. HER2-positive Breast cancer HER2DX Biomarker Gene expression Trastuzumab Medicine R Medicine (General) Fara Bras..-Maristany verfasserin aut Maria Vittoria Dieci verfasserin aut Gaia Griguolo verfasserin aut Laia Par.. verfasserin aut Mercedes Mar.ín-Aguilera verfasserin aut Federica Miglietta verfasserin aut Michele Bottosso verfasserin aut Carlo Alberto Giorgi verfasserin aut Paula Blasco verfasserin aut Oleguer Castillo verfasserin aut Patricia Galv..n verfasserin aut Ana Vivancos verfasserin aut Patricia Villagrasa verfasserin aut Joel S. Parker verfasserin aut Charles M. Perou verfasserin aut PierFranco Conte verfasserin aut Aleix Prat verfasserin aut In EBioMedicine Elsevier, 2015 85(2022), Seite 104320- (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:85 year:2022 pages:104320- https://doi.org/10.1016/j.ebiom.2022.104320 kostenfrei https://doaj.org/article/7a7c9969d4c14817a9f13e36c3db43cc kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396422005023 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 85 2022 104320- |
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10.1016/j.ebiom.2022.104320 doi (DE-627)DOAJ028946022 (DE-599)DOAJ7a7c9969d4c14817a9f13e36c3db43cc DE-627 ger DE-627 rakwb eng R5-920 Valentina Guarneri verfasserin aut HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. Funding: This study received funding from Reveal Genomics. HER2-positive Breast cancer HER2DX Biomarker Gene expression Trastuzumab Medicine R Medicine (General) Fara Bras..-Maristany verfasserin aut Maria Vittoria Dieci verfasserin aut Gaia Griguolo verfasserin aut Laia Par.. verfasserin aut Mercedes Mar.ín-Aguilera verfasserin aut Federica Miglietta verfasserin aut Michele Bottosso verfasserin aut Carlo Alberto Giorgi verfasserin aut Paula Blasco verfasserin aut Oleguer Castillo verfasserin aut Patricia Galv..n verfasserin aut Ana Vivancos verfasserin aut Patricia Villagrasa verfasserin aut Joel S. Parker verfasserin aut Charles M. Perou verfasserin aut PierFranco Conte verfasserin aut Aleix Prat verfasserin aut In EBioMedicine Elsevier, 2015 85(2022), Seite 104320- (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:85 year:2022 pages:104320- https://doi.org/10.1016/j.ebiom.2022.104320 kostenfrei https://doaj.org/article/7a7c9969d4c14817a9f13e36c3db43cc kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396422005023 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 85 2022 104320- |
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10.1016/j.ebiom.2022.104320 doi (DE-627)DOAJ028946022 (DE-599)DOAJ7a7c9969d4c14817a9f13e36c3db43cc DE-627 ger DE-627 rakwb eng R5-920 Valentina Guarneri verfasserin aut HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. Funding: This study received funding from Reveal Genomics. HER2-positive Breast cancer HER2DX Biomarker Gene expression Trastuzumab Medicine R Medicine (General) Fara Bras..-Maristany verfasserin aut Maria Vittoria Dieci verfasserin aut Gaia Griguolo verfasserin aut Laia Par.. verfasserin aut Mercedes Mar.ín-Aguilera verfasserin aut Federica Miglietta verfasserin aut Michele Bottosso verfasserin aut Carlo Alberto Giorgi verfasserin aut Paula Blasco verfasserin aut Oleguer Castillo verfasserin aut Patricia Galv..n verfasserin aut Ana Vivancos verfasserin aut Patricia Villagrasa verfasserin aut Joel S. Parker verfasserin aut Charles M. Perou verfasserin aut PierFranco Conte verfasserin aut Aleix Prat verfasserin aut In EBioMedicine Elsevier, 2015 85(2022), Seite 104320- (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:85 year:2022 pages:104320- https://doi.org/10.1016/j.ebiom.2022.104320 kostenfrei https://doaj.org/article/7a7c9969d4c14817a9f13e36c3db43cc kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396422005023 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 85 2022 104320- |
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10.1016/j.ebiom.2022.104320 doi (DE-627)DOAJ028946022 (DE-599)DOAJ7a7c9969d4c14817a9f13e36c3db43cc DE-627 ger DE-627 rakwb eng R5-920 Valentina Guarneri verfasserin aut HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. Funding: This study received funding from Reveal Genomics. HER2-positive Breast cancer HER2DX Biomarker Gene expression Trastuzumab Medicine R Medicine (General) Fara Bras..-Maristany verfasserin aut Maria Vittoria Dieci verfasserin aut Gaia Griguolo verfasserin aut Laia Par.. verfasserin aut Mercedes Mar.ín-Aguilera verfasserin aut Federica Miglietta verfasserin aut Michele Bottosso verfasserin aut Carlo Alberto Giorgi verfasserin aut Paula Blasco verfasserin aut Oleguer Castillo verfasserin aut Patricia Galv..n verfasserin aut Ana Vivancos verfasserin aut Patricia Villagrasa verfasserin aut Joel S. Parker verfasserin aut Charles M. Perou verfasserin aut PierFranco Conte verfasserin aut Aleix Prat verfasserin aut In EBioMedicine Elsevier, 2015 85(2022), Seite 104320- (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:85 year:2022 pages:104320- https://doi.org/10.1016/j.ebiom.2022.104320 kostenfrei https://doaj.org/article/7a7c9969d4c14817a9f13e36c3db43cc kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396422005023 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 85 2022 104320- |
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Valentina Guarneri @@aut@@ Fara Bras..-Maristany @@aut@@ Maria Vittoria Dieci @@aut@@ Gaia Griguolo @@aut@@ Laia Par.. @@aut@@ Mercedes Mar.ín-Aguilera @@aut@@ Federica Miglietta @@aut@@ Michele Bottosso @@aut@@ Carlo Alberto Giorgi @@aut@@ Paula Blasco @@aut@@ Oleguer Castillo @@aut@@ Patricia Galv..n @@aut@@ Ana Vivancos @@aut@@ Patricia Villagrasa @@aut@@ Joel S. Parker @@aut@@ Charles M. Perou @@aut@@ PierFranco Conte @@aut@@ Aleix Prat @@aut@@ |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">DOAJ028946022</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230307131927.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230226s2022 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.ebiom.2022.104320</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)DOAJ028946022</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)DOAJ7a7c9969d4c14817a9f13e36c3db43cc</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="050" ind1=" " ind2="0"><subfield code="a">R5-920</subfield></datafield><datafield tag="100" ind1="0" ind2=" "><subfield code="a">Valentina Guarneri</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2022</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. 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Valentina Guarneri |
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Valentina Guarneri misc R5-920 misc HER2-positive misc Breast cancer misc HER2DX misc Biomarker misc Gene expression misc Trastuzumab misc Medicine misc R misc Medicine (General) HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context |
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R5-920 HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context HER2-positive Breast cancer HER2DX Biomarker Gene expression Trastuzumab |
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misc R5-920 misc HER2-positive misc Breast cancer misc HER2DX misc Biomarker misc Gene expression misc Trastuzumab misc Medicine misc R misc Medicine (General) |
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HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context |
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HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context |
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Valentina Guarneri Fara Bras..-Maristany Maria Vittoria Dieci Gaia Griguolo Laia Par.. Mercedes Mar.ín-Aguilera Federica Miglietta Michele Bottosso Carlo Alberto Giorgi Paula Blasco Oleguer Castillo Patricia Galv..n Ana Vivancos Patricia Villagrasa Joel S. Parker Charles M. Perou PierFranco Conte Aleix Prat |
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her2dx genomic test in her2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: a correlative analysis from the perelisa trialresearch in context |
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R5-920 |
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HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context |
| abstract |
Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. Funding: This study received funding from Reveal Genomics. |
| abstractGer |
Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. Funding: This study received funding from Reveal Genomics. |
| abstract_unstemmed |
Summary: Background: HER2DX is a prognostic and predictive assay in early-stage HER2-positive breast cancer based on clinical features and the expression of 4 gene signatures (immune, proliferation, luminal differentiation and HER2 amplicon), including ERBB2 mRNA levels. Here, we evaluated the ability of HER2DX to predict efficacy of a de-escalated, chemotherapy-free neoadjuvant regimen in HER2-positive/hormone receptor-positive breast cancer. Methods: HER2DX was evaluated on pre-treatment tumour samples from the PerELISA phase II study focused on postmenopausal patients with operable HER2-positive/hormone receptor-positive breast cancer. Patients received 2-weeks of letrozole, and then underwent a re-biopsy for Ki67 evaluation. Patients with endocrine therapy sensitive disease (ESD) (i.e., <20.0% Ki67 relative reduction at week 2) continued letrozole and 5 cycles of trastuzumab and pertuzumab. Primary aim was to test the ability of HER2DX risk-score, HER2DX pCR score and HER2DX ERBB2 mRNA score (as continuous variables and group categories) to predict pathological complete response (pCR) in patients with ESD. Logistic regression and receiver...operator curve (ROC) analysis assessed associations of HER2DX scores with pCR and ESD. Findings: HER2DX was evaluated in 55 patients (86.0%) enrolled in PerELISA and 40 patients (73.0%) had ESD. The pCR rate in patients with ESD was 22.5% (9/40). In this group, HER2DX pCR score and HER2DX ERBB2 mRNA score were significantly associated with pCR (p.ß=.ß0.008 and p.ß=.ß0.003, univariate logistic regression model; area under ROC [AUC].ß=.ß0.803 and 0.896). The pCR rate in low, medium, and high HER2DX pCR score groups was 7.7% (2/26), 46.2% (6/13) and 100.0% (1/1), respectively. The pCR rate in low, medium, and high HER2DX ERBB2 score groups was 0.0% (0/12), 7.7% (1/13) and 53.3% (8/15), respectively. HER2DX pCR score was also significantly associated with Ki-67 response following 2-weeks of letrozole (p.ß=.ß0.002, univariate logistic regression model; AUC.ß=.ß0.775). The rate of ESD in low, medium, and high HER2DX pCR score groups was 89.7% (26/29), 65.0% (13/20) and 16.7% (1/6), respectively. Interpretation: HER2DX predicts response following neoadjuvant letrozole in combination with dual HER2 blockade with trastuzumab and pertuzumab in early-stage HER2-positive/hormone receptor-positive breast cancer. Funding: This study received funding from Reveal Genomics. |
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| title_short |
HER2DX genomic test in HER2-positive/hormone receptor-positive breast cancer treated with neoadjuvant trastuzumab and pertuzumab: A correlative analysis from the PerELISA trialResearch in context |
| url |
https://doi.org/10.1016/j.ebiom.2022.104320 https://doaj.org/article/7a7c9969d4c14817a9f13e36c3db43cc http://www.sciencedirect.com/science/article/pii/S2352396422005023 https://doaj.org/toc/2352-3964 |
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| author2 |
Fara Bras..-Maristany Maria Vittoria Dieci Gaia Griguolo Laia Par Mercedes Mar.ín-Aguilera Federica Miglietta Michele Bottosso Carlo Alberto Giorgi Paula Blasco Oleguer Castillo Patricia Galv..n Ana Vivancos Patricia Villagrasa Joel S. Parker Charles M. Perou PierFranco Conte Aleix Prat |
| author2Str |
Fara Bras..-Maristany Maria Vittoria Dieci Gaia Griguolo Laia Par Mercedes Mar.ín-Aguilera Federica Miglietta Michele Bottosso Carlo Alberto Giorgi Paula Blasco Oleguer Castillo Patricia Galv..n Ana Vivancos Patricia Villagrasa Joel S. Parker Charles M. Perou PierFranco Conte Aleix Prat |
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802540074 |
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R - General Medicine |
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c |
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true |
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false |
| doi_str |
10.1016/j.ebiom.2022.104320 |
| callnumber-a |
R5-920 |
| up_date |
2024-07-03T20:17:27.311Z |
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1803590405787222016 |
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| score |
7.3984118 |