IMR Press / CEOG / Volume 50 / Issue 4 / DOI: 10.31083/j.ceog5004074
Open Access Systematic Review
Neoadjuvant Chemo-Endocrine Therapy for Hormone Receptor Positive Breast Cancer: A Meta-Analysis
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1 Department of Breast Surgery, Luoyang Central Hospital Affiliated to Zhengzhou University, 471000 Luoyang, Henan, China
2 Department of Stomatology, Luoyang Central Hospital Affiliated to Zhengzhou University, 471000 Luoyang, Henan, China
*Correspondence: doctorlizhenyu@163.com (Zhen-Yu Li)
Clin. Exp. Obstet. Gynecol. 2023, 50(4), 74; https://doi.org/10.31083/j.ceog5004074
Submitted: 5 November 2022 | Revised: 1 January 2023 | Accepted: 29 January 2023 | Published: 14 April 2023
Copyright: © 2023 The Author(s). Published by IMR Press.
This is an open access article under the CC BY 4.0 license.
Abstract

Background: Neoadjuvant chemotherapy has become the standard treatment for patients with locally advanced breast cancer. However, patients with hormone receptor positive (especially human epidermal growth receptor 2 negative) breast cancer show low response rate to neoadjuvant chemotherapy. Whether neoadjuvant chemo-endocrine therapy (NCET) can improve the pathological complete response (pCR) rate of these patients remains controversial. Methods: A systematic literature search was conducted in the PubMed, Embase, and Cochrane databases. Pooled odds ratio (OR) with 95% confidence intervals (CI) was calculated. Results: Five randomized controlled trials were included (N = 566). NCET did not significantly improve pCR (OR 1.35, 95% CI 0.77–2.38, p = 0.30). Conclusions: NCET did not to improve the pCR rates in patients with hormone receptor positive breast cancer.

Keywords
breast cancer
neoadjuvant chemotherapy
neoadjuvant chemo-endocrine therapy
pathological complete response
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