Intensive chemotherapy versus standard chemotherapy among patients with high risk, operable, triple negative breast cancer based on integrated mRNA-lncRNA signature (BCTOP-T-A01): randomised, multicentre, phase 3 trial,The BMJ

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Intensive chemotherapy versus standard chemotherapy among patients with high risk, operable, triple negative breast cancer based on integrated mRNA-lncRNA signature (BCTOP-T-A01): randomised, multicentre, phase 3 trial
The BMJ ( IF 93.6 ) Pub Date : 2024-10-23 , DOI: 10.1136/bmj-2024-079603
Min He, Yi-Zhou Jiang, Yue Gong, Lei Fan, Xi-Yu Liu, Yin Liu, Li-Chen Tang, Miao Mo, Yi-Feng Hou, Gen-Hong Di, Guang-Yu Liu, Ke-Da Yu, Jiong Wu, Xia Yan, Xiao-Hua Zeng, De-Yuan Fu, Chuan-Gui Song, Zhi-Gang Zhuang, Ke-Jin Wu, Jie Wang, Zhong-Hua Wang, Zhi-Ming Shao

Objective To evaluate the feasibility of using a multigene signature to tailor individualised adjuvant therapy for patients with operable triple negative breast cancer. Design Randomised, multicentre, open label, phase 3 trial. Setting 7 cancer centres in China between 3 January 2016 and 17 July 2023. Participants Female patients aged 18-70 years with early triple negative breast cancer after definitive surgery. Interventions After risk stratification using the integrated signature, patients at high risk were randomised (1:1) to receive an intensive adjuvant treatment comprising four cycles of docetaxel, epirubicin, and cyclophosphamide followed by four cycles of gemcitabine and cisplatin (arm A; n=166) or a standard treatment of four cycles of epirubicin and cyclophosphamide followed by four cycles of docetaxel (arm B; n=170). Patients at low risk received the same adjuvant chemotherapy as arm B (arm C; n=168). Main outcome measures The primary endpoint was disease-free survival in the intention-to-treat analysis for arm A versus arm B. Secondary endpoints included disease-free survival for arm C versus arm B, recurrence-free survival, overall survival, and safety. Results Among the 504 enrolled patients, 498 received study treatment. At a median follow-up of 45.1 months, the three year disease-free survival rate was 90.9% for patients in arm A and 80.6% for patients in arm B (hazard ratio 0.51, 95% confidence interval (CI) 0.28 to 0.95; P=0.03). The three year recurrence-free survival rate was 92.6% in arm A and 83.2% in arm B (hazard ratio 0.50, 95% CI 0.25 to 0.98; P=0.04). The three year overall survival rate was 98.2% in arm A and 91.3% in arm B (hazard ratio 0.58, 95% CI 0.22 to 1.54; P=0.27). The rates of disease-free survival (three year disease-free survival 90.1% v 80.6%; hazard ratio 0.57, 95% CI 0.33 to 0.98; P=0.04), recurrence-free survival (three year recurrence-free survival 94.5% v 83.2%; 0.42, 0.22 to 0.81; P=0.007), and overall survival (three year overall survival 100% v 91.3%; 0.14, 0.03 to 0.61; P=0.002) were significantly higher in patients in arm C than in those in arm B with the same chemotherapy regimen. The incidence of grade 3-4 treatment related adverse events were 64% (105/163), 51% (86/169), and 54% (90/166) for arms A, B, and C, respectively. No treatment related deaths occurred. Conclusions The multigene signature showed potential for tailoring adjuvant chemotherapy for patients with operable triple negative breast cancer. Intensive regimens incorporating gemcitabine and cisplatin into anthracycline/taxane based therapy significantly improved disease-free survival with manageable toxicity. Trial registration ClinicalTrials.gov [NCT02641847][1]. Requests for individual de-identified participant data that underlie the results reported in this article will be considered. Qualified researchers should submit a proposal to the corresponding author outlining the reasons for requesting the data. The leading clinical site will check whether the request is subject to any intellectual property obligations. No custom code was used for data analysis in this study. [1]: /lookup/external-ref?link_type=CLINTRIALGOV&access_num=NCT02641847&atom=%2Fbmj%2F387%2Fbmj-2024-079603.atom

更新日期：2024-10-24

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