Real-world Research of Trastuzumab and Pertuzumab Combined with Chemotherapy in Neoadjuvant Treatment of HER2-positive Breast Cancer

Objective To analyze the efficacy and safety of trastuzumab (H) and pertuzumab (P) combined with different chemotherapy regiments in neoadjuvant therapy for HER2-positive breast cancer. Methods We retrospectively analyzed the clinical data of the patients with HER2-positive breast cancer who receive...

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Main Authors: MA Xiangmin, ZHANG Xiangmei, ZHOU Xinping, REN Xiaofei, ZHANG Weifang, LIU Yunjiang
Format: Article
Language:zho
Published: Magazine House of Cancer Research on Prevention and Treatment 2022-01-01
Series:Zhongliu Fangzhi Yanjiu
Subjects:
Online Access:http://www.zlfzyj.com/EN/10.3971/j.issn.1000-8578.2022.21.0802
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author MA Xiangmin
ZHANG Xiangmei
ZHOU Xinping
REN Xiaofei
ZHANG Weifang
LIU Yunjiang
author_facet MA Xiangmin
ZHANG Xiangmei
ZHOU Xinping
REN Xiaofei
ZHANG Weifang
LIU Yunjiang
author_sort MA Xiangmin
collection DOAJ
description Objective To analyze the efficacy and safety of trastuzumab (H) and pertuzumab (P) combined with different chemotherapy regiments in neoadjuvant therapy for HER2-positive breast cancer. Methods We retrospectively analyzed the clinical data of the patients with HER2-positive breast cancer who received HP combined with chemotherapy as neoadjuvant therapy and completed surgery. The primary endpoint was total pathologic complete response (tpCR) (ypT0/isypN0), the secondary endpoints were breast pathologic complete response(bpCR) (ypT0/is) and axillary pathologic complete response (apCR) (ypN0), and the factors influencing pCR were analyzed. Results A total of 63 patients were included, of whom 23 were treated with TCbHP, 27 were treated with THP regimen, and 13 were treated with AC-THP. The overall tpCR rate was 65.1%, of which TCbHP was 73.9%, THP was 55.6%, and AC-THP was 69.2%. The tpCR rate of HR-negative patients was 79.2%, higher than that of HR-positive 56.4%. The overall bpCR rate was 69.8%, and apCR rate was 81.0%. Univariate analysis showed that HER2 status was a related factor affecting tpCR (P=0.023). The total effective rate by MRI was 87.3%. The level 3 and 4 toxicity of the TCbHP regimen was slightly higher than those of the THP and the AC-THP regimens. Conclusion HP combined with chemotherapy have achieved relatively high pCR. HER2 status is a related factor that affects tpCR. The adverse reactions are controllable.
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spelling doaj.art-dd1ebe3cc7f846d290434af3a23ae2852022-12-21T23:44:58ZzhoMagazine House of Cancer Research on Prevention and TreatmentZhongliu Fangzhi Yanjiu1000-85782022-01-01491465210.3971/j.issn.1000-8578.2022.21.08028578.2022.21.0802Real-world Research of Trastuzumab and Pertuzumab Combined with Chemotherapy in Neoadjuvant Treatment of HER2-positive Breast CancerMA Xiangmin0ZHANG Xiangmei1ZHOU Xinping2REN Xiaofei3ZHANG Weifang4LIU Yunjiang5Department of Breast Surgery, Handan Central Hospital, Handan 056001, ChinaResearch Center, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, ChinaDepartment of Breast Surgery, Handan Central Hospital, Handan 056001, ChinaBreast Center, Fourth Hospital of Hebei Medical University Shijiazhuang 050011, ChinaBreast Center, Fourth Hospital of Hebei Medical University Shijiazhuang 050011, ChinaBreast Center, Fourth Hospital of Hebei Medical University Shijiazhuang 050011, ChinaObjective To analyze the efficacy and safety of trastuzumab (H) and pertuzumab (P) combined with different chemotherapy regiments in neoadjuvant therapy for HER2-positive breast cancer. Methods We retrospectively analyzed the clinical data of the patients with HER2-positive breast cancer who received HP combined with chemotherapy as neoadjuvant therapy and completed surgery. The primary endpoint was total pathologic complete response (tpCR) (ypT0/isypN0), the secondary endpoints were breast pathologic complete response(bpCR) (ypT0/is) and axillary pathologic complete response (apCR) (ypN0), and the factors influencing pCR were analyzed. Results A total of 63 patients were included, of whom 23 were treated with TCbHP, 27 were treated with THP regimen, and 13 were treated with AC-THP. The overall tpCR rate was 65.1%, of which TCbHP was 73.9%, THP was 55.6%, and AC-THP was 69.2%. The tpCR rate of HR-negative patients was 79.2%, higher than that of HR-positive 56.4%. The overall bpCR rate was 69.8%, and apCR rate was 81.0%. Univariate analysis showed that HER2 status was a related factor affecting tpCR (P=0.023). The total effective rate by MRI was 87.3%. The level 3 and 4 toxicity of the TCbHP regimen was slightly higher than those of the THP and the AC-THP regimens. Conclusion HP combined with chemotherapy have achieved relatively high pCR. HER2 status is a related factor that affects tpCR. The adverse reactions are controllable.http://www.zlfzyj.com/EN/10.3971/j.issn.1000-8578.2022.21.0802breast cancerher2neoadjuvant therapytrastuzumabpertuzumabpathological complete response
spellingShingle MA Xiangmin
ZHANG Xiangmei
ZHOU Xinping
REN Xiaofei
ZHANG Weifang
LIU Yunjiang
Real-world Research of Trastuzumab and Pertuzumab Combined with Chemotherapy in Neoadjuvant Treatment of HER2-positive Breast Cancer
Zhongliu Fangzhi Yanjiu
breast cancer
her2
neoadjuvant therapy
trastuzumab
pertuzumab
pathological complete response
title Real-world Research of Trastuzumab and Pertuzumab Combined with Chemotherapy in Neoadjuvant Treatment of HER2-positive Breast Cancer
title_full Real-world Research of Trastuzumab and Pertuzumab Combined with Chemotherapy in Neoadjuvant Treatment of HER2-positive Breast Cancer
title_fullStr Real-world Research of Trastuzumab and Pertuzumab Combined with Chemotherapy in Neoadjuvant Treatment of HER2-positive Breast Cancer
title_full_unstemmed Real-world Research of Trastuzumab and Pertuzumab Combined with Chemotherapy in Neoadjuvant Treatment of HER2-positive Breast Cancer
title_short Real-world Research of Trastuzumab and Pertuzumab Combined with Chemotherapy in Neoadjuvant Treatment of HER2-positive Breast Cancer
title_sort real world research of trastuzumab and pertuzumab combined with chemotherapy in neoadjuvant treatment of her2 positive breast cancer
topic breast cancer
her2
neoadjuvant therapy
trastuzumab
pertuzumab
pathological complete response
url http://www.zlfzyj.com/EN/10.3971/j.issn.1000-8578.2022.21.0802
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