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Chen Y, Li WX, Wu JH, Chen GH, Yang CM, Lu H, Wang X, Wang SS, Huang H, Cai L, Zhao L, Peng RJ, Lin Y, Tang J, Zeng J, Zhang LH, Ke YL, Wang XM, Liu XM, Zhang AQ, Xu F, Bi XW, Huang JJ, Li JB, Pang DM, Xue C, Shi YX, He ZY, Lin HX, An X, Xia W, Cao Y, Guo Y, Hong RX, Jiang KK, Zhong YY, Zhang G, Tienchaiananda P, Oikawa M, Yuan ZY, Chen QJ. Does the Dose of Standard Adjuvant Chemotherapy Affect the Triple-negative Breast Cancer Benefit from Extended Capecitabine Metronomic Therapy? An Exploratory Analysis of the SYSUCC-001 Trial. Breast Cancer (Dove Med Press) 2024; 16:223-231. [PMID: 38628818 PMCID: PMC11020346 DOI: 10.2147/bctt.s447290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 03/27/2024] [Indexed: 04/19/2024]
Abstract
Purpose Results from studies of extended capecitabine after the standard adjuvant chemotherapy in early stage triple-negative breast cancer (TNBC) were inconsistent, and only low-dose capecitabine from the SYSUCC-001 trial improved disease-free survival (DFS). Adjustment of the conventional adjuvant chemotherapy doses affect the prognosis and may affect the efficacy of subsequent treatments. This study investigated whether the survival benefit of the SYSUCC-001 trial was affected by dose adjustment of the standard adjuvant chemotherapy or not. Patients and Methods We reviewed the adjuvant chemotherapy regimens before the extended capecitabine in the SYSUCC-001 trial. Patients were classified into "consistent" (standard acceptable dose) and "inconsistent" (doses lower than acceptable dose) dose based on the minimum acceptable dose range in the landmark clinical trials. Cox proportional hazards model was used to investigate the impact of dose on the survival outcomes. Results All 434 patients in SYSUCC-001 trial were enrolled in this study. Most of patients administered the anthracycline-taxane regimen accounted for 88.94%. Among patients in the "inconsistent" dose, 60.8% and 47% received lower doses of anthracycline and taxane separately. In the observation group, the "inconsistent" dose of anthracycline and taxane did not affect DFS compared with the "consistent" dose. Moreover, in the capecitabine group, the "inconsistent" anthracycline dose did not affect DFS compared with the "consistent" dose. However, patients with "consistent" taxane doses benefited significantly from extended capecitabine (P=0.014). The sufficient dose of adjuvant taxane had a positive effect of extended capecitabine (hazard ratio [HR] 2.04; 95% confidence interval [CI] 1.02 to 4.06). Conclusion This study found the dose reduction of adjuvant taxane might negatively impact the efficacy of capecitabine. Therefore, the reduction of anthracycline dose over paclitaxel should be given priority during conventional adjuvant chemotherapy, if patients need dose reduction and plan for extended capecitabine.
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Affiliation(s)
- Ying Chen
- Department of Breast Surgery, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, People’s Republic of China
- Department of Breast Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Wen-Xia Li
- Department of Breast Surgery, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, People’s Republic of China
- Department of Breast Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Jia-Hua Wu
- Department of Breast Surgery, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, People’s Republic of China
- Department of Breast Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Geng-Hang Chen
- Department of Breast Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Chun-Min Yang
- Department of Breast Surgery, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, People’s Republic of China
- Department of Breast Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Hai Lu
- Department of Breast Surgery, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, People’s Republic of China
- Department of Breast Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Xi Wang
- Department of Breast Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Shu-Sen Wang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Heng Huang
- Department of Breast Oncology, Lianjiang People’s Hospital, Lianjiang, People’s Republic of China
| | - Li Cai
- Department of Medical Oncology, The Affiliated Tumour Hospital of Harbin Medical University, Harbin, People’s Republic of China
| | - Li Zhao
- Department of Breast Oncology, Guangzhou First People Hospital, Guangzhou, People’s Republic of China
| | - Rou-Jun Peng
- Department of Integrated Therapy in Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Ying Lin
- Department of Breast Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People’s Republic of China
| | - Jun Tang
- Department of Breast Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Jian Zeng
- Department of Breast Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Le-Hong Zhang
- Department of Breast Oncology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Yong-Li Ke
- Department of Breast Oncology, General Hospital of PLA Guangzhou Military Area, Guangzhou, People’s Republic of China
| | - Xian-Ming Wang
- Department of Breast Oncology, Shenzhen Second People’s Hospital, Shenzhen, People’s Republic of China
| | - Xin-Mei Liu
- Department of Breast Oncology, Haikou People’s Hospital, Haikou, People’s Republic of China
| | - An-Qin Zhang
- Department of Breast Oncology, Maternal and Child Health Care Hospital of Guangdong Province, Guangzhou, People’s Republic of China
| | - Fei Xu
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Xi-Wen Bi
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Jia-Jia Huang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Ji-Bin Li
- Department of Good Clinical Practice, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Dan-Mei Pang
- Department of Medical Oncology, Foshan First People’s Hospital, Foshan, People’s Republic of China
| | - Cong Xue
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Yan-Xia Shi
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Zhen-Yu He
- Department of Radiotherapy, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Huan-Xin Lin
- Department of Radiotherapy, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Xin An
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Wen Xia
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Ye Cao
- Department of Good Clinical Practice, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Ying Guo
- Department of Good Clinical Practice, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Ruo-Xi Hong
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Kui-Kui Jiang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Yong-Yi Zhong
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Ge Zhang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases (TMBJ), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong
| | - Piyawan Tienchaiananda
- Division of Medical Oncology, Department of Medicine, Faculty of Medicine, Rangsit University, Rajavithi Hospital, Bangkok, Thailand
| | - Masahiro Oikawa
- The Department of Breast Surgery, New-wa-kai Oikawa Hospital, Fukuoka, Japan
| | - Zhong-Yu Yuan
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China
| | - Qian-Jun Chen
- State Key Laboratory of Traditional Chinese Medicine Syndrome/Departments of Gynecologic Oncology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
- State Key Laboratory of Traditional Chinese Medicine Syndrome, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
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