The optimal neoadjuvant treatment strategy for HR+/HER2 + breast cancer: a network meta-analysis

Abstract The efficacy of neoadjuvant therapy varies significantly with hormone receptor (HR) status for patients with human epidermal growth factor receptor 2 (HER2) positive breast cancer (BC). Despite extensive research on HER2 + BC, the optimal neoadjuvant strategy for HR+/HER2 + BC remains incon...

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Main Authors: Shiwei Liu, Miao Yu, Exian Mou, Meihua Wang, Shuanghua Liu, Li Xia, Hui Li, Hao Tang, Yajing Feng, Xin Yu, Kun Mi, Hao Wang
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-024-84039-2
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author Shiwei Liu
Miao Yu
Exian Mou
Meihua Wang
Shuanghua Liu
Li Xia
Hui Li
Hao Tang
Yajing Feng
Xin Yu
Kun Mi
Hao Wang
author_facet Shiwei Liu
Miao Yu
Exian Mou
Meihua Wang
Shuanghua Liu
Li Xia
Hui Li
Hao Tang
Yajing Feng
Xin Yu
Kun Mi
Hao Wang
author_sort Shiwei Liu
collection DOAJ
description Abstract The efficacy of neoadjuvant therapy varies significantly with hormone receptor (HR) status for patients with human epidermal growth factor receptor 2 (HER2) positive breast cancer (BC). Despite extensive research on HER2 + BC, the optimal neoadjuvant strategy for HR+/HER2 + BC remains inconclusive. This study aimed to identify the optimal neoadjuvant regimen for HR+/HER2 + BC treatment. We conducted a systematic search for trials comparing neoadjuvant regimens for HR+/HER2 + BC and a network meta-analysis. Odds ratios for pathological complete response (pCR) and hazard ratios for event-free survival (EFS) were calculated. Treatment regimens were ranked using the surface under the cumulative ranking curve. 20 trials with 2809 patients were included. In pCR analysis, three neoadjuvant regimens sequentially ranked at the top, namely those comprising T-DM1, pertuzumab with trastuzumab, and tyrosine kinase inhibitor with trastuzumab, demonstrating significantly higher pCR rates than monotherapies. In EFS analysis, pertuzumab with trastuzumab ranked the first while T-DM1 containing regimen ranked the last. Anthracycline-free regimens showed a marginally higher pCR rate than anthracycline-containing regimens, while carboplatin-containing regimens demonstrated a numerically higher pCR rate than carboplatin-free regimens. Significant heterogeneity was observed in endocrine therapy analysis, which may be caused by different strategies for incorporating endocrine therapy. In conclusion, trastuzumab plus pertuzumab stands out as the optimal neoadjuvant HER2-targeting regimen for HR+/HER2 + BC Furthermore, anthracycline-free carboplatin-containing chemotherapy emerges as a promising combination treatment. Further investigation is required to clarify the role of endocrine therapy in HR+/HER2 + BC to guide its clinical application.
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spelling doaj-art-bdb3523baad6428698c5043bbb580f952025-01-05T12:22:29ZengNature PortfolioScientific Reports2045-23222025-01-0115111610.1038/s41598-024-84039-2The optimal neoadjuvant treatment strategy for HR+/HER2 + breast cancer: a network meta-analysisShiwei Liu0Miao Yu1Exian Mou2Meihua Wang3Shuanghua Liu4Li Xia5Hui Li6Hao Tang7Yajing Feng8Xin Yu9Kun Mi10Hao Wang11Department of Breast, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of ChinaDepartment of Breast, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of ChinaDepartment of Breast, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of ChinaDepartment of Breast, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of ChinaDepartment of Breast, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of ChinaDepartment of Breast, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of ChinaDepartment of Breast, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of ChinaShanghai Roche Pharmaceuticals LtdShanghai Roche Pharmaceuticals LtdShanghai Roche Pharmaceuticals LtdRadiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of ChinaDepartment of Breast, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of ChinaAbstract The efficacy of neoadjuvant therapy varies significantly with hormone receptor (HR) status for patients with human epidermal growth factor receptor 2 (HER2) positive breast cancer (BC). Despite extensive research on HER2 + BC, the optimal neoadjuvant strategy for HR+/HER2 + BC remains inconclusive. This study aimed to identify the optimal neoadjuvant regimen for HR+/HER2 + BC treatment. We conducted a systematic search for trials comparing neoadjuvant regimens for HR+/HER2 + BC and a network meta-analysis. Odds ratios for pathological complete response (pCR) and hazard ratios for event-free survival (EFS) were calculated. Treatment regimens were ranked using the surface under the cumulative ranking curve. 20 trials with 2809 patients were included. In pCR analysis, three neoadjuvant regimens sequentially ranked at the top, namely those comprising T-DM1, pertuzumab with trastuzumab, and tyrosine kinase inhibitor with trastuzumab, demonstrating significantly higher pCR rates than monotherapies. In EFS analysis, pertuzumab with trastuzumab ranked the first while T-DM1 containing regimen ranked the last. Anthracycline-free regimens showed a marginally higher pCR rate than anthracycline-containing regimens, while carboplatin-containing regimens demonstrated a numerically higher pCR rate than carboplatin-free regimens. Significant heterogeneity was observed in endocrine therapy analysis, which may be caused by different strategies for incorporating endocrine therapy. In conclusion, trastuzumab plus pertuzumab stands out as the optimal neoadjuvant HER2-targeting regimen for HR+/HER2 + BC Furthermore, anthracycline-free carboplatin-containing chemotherapy emerges as a promising combination treatment. Further investigation is required to clarify the role of endocrine therapy in HR+/HER2 + BC to guide its clinical application.https://doi.org/10.1038/s41598-024-84039-2Breast cancerHER2 positiveHR positiveNeoadjuvant therapyTargeted therapyNetwork meta-analysis
spellingShingle Shiwei Liu
Miao Yu
Exian Mou
Meihua Wang
Shuanghua Liu
Li Xia
Hui Li
Hao Tang
Yajing Feng
Xin Yu
Kun Mi
Hao Wang
The optimal neoadjuvant treatment strategy for HR+/HER2 + breast cancer: a network meta-analysis
Scientific Reports
Breast cancer
HER2 positive
HR positive
Neoadjuvant therapy
Targeted therapy
Network meta-analysis
title The optimal neoadjuvant treatment strategy for HR+/HER2 + breast cancer: a network meta-analysis
title_full The optimal neoadjuvant treatment strategy for HR+/HER2 + breast cancer: a network meta-analysis
title_fullStr The optimal neoadjuvant treatment strategy for HR+/HER2 + breast cancer: a network meta-analysis
title_full_unstemmed The optimal neoadjuvant treatment strategy for HR+/HER2 + breast cancer: a network meta-analysis
title_short The optimal neoadjuvant treatment strategy for HR+/HER2 + breast cancer: a network meta-analysis
title_sort optimal neoadjuvant treatment strategy for hr her2 breast cancer a network meta analysis
topic Breast cancer
HER2 positive
HR positive
Neoadjuvant therapy
Targeted therapy
Network meta-analysis
url https://doi.org/10.1038/s41598-024-84039-2
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