Abstract
Although some studies in China have suggested Huachansu (HCS) combined with chemotherapy is effective in the treatment of various cancers, there are few studies on colorectal cancer (CRC), especially in postoperative adjuvant chemotherapy. The aim of this study was to test the hypothesis that HCS combined with adjuvant chemotherapy would improve survival probability in resected CRC patients. This was a prospective, open-label, randomized phase II study. Patients with stage III or high-risk stage II resected CRC were randomly assigned to the chemotherapy and HCS + chemotherapy groups. The Chemotherapy group was treated with the FOLFOX regimen for ≥ 6 cycles or the CAPEOX regimen for ≥ 4 cycles. The HCS + chemotherapy group was treated with HCS on the basis of the chemotherapy group. The primary endpoint was 3-year disease-free survival (DFS), and the secondary endpoints were 3-year overall survival (OS) and toxicity. A total of 250 patients were included in this study (126 chemotherapy, 124 HCS + chemotherapy). There were significant differences in 3-year DFS between the two groups (median 28.7 vs. 31.6 months, respectively; P = 0.027), but no significant differences in 3-year OS between the two groups (median 32.7 vs. 34 months, respectively; P = 0.146). No patients experienced grade four adverse events, and the rates of leukopenia, neutropenia, and diarrhea in the HCS + chemotherapy group were lower than that those in the chemotherapy group. HCS combined with adjuvant chemotherapy after radical resection for patients with stage III or high-risk stage II CRC was demonstrated to be an effective and feasible treatment.
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The corresponding author can provide the datasets used or analyzed in the current study upon reasonable request.
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Funding
This study was supported by the National Natural Science Foundation of China (81973625), the key medical specialty plan of Shanghai (ZK2019B18), the construction project of clinical special diseases of health system in Putuo District, Shanghai (2019tszk01), and the independent innovation research project of health system in Putuo District, Shanghai (2013ptkw002).
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SL: Conceptualization (equal); investigation (equal); methodology (equal); writing—original draft (equal); writing—review and editing (equal). DS: Investigation (equal); methodology (equal); writing—review and editing (equal). QZ: Investigation (equal); writing—review and editing (equal). SW: Investigation (equal); writing—review and editing (equal). LM: Investigation (equal); writing—review and editing (equal). JY: Investigation (equal); writing—review and editing (equal). YL: Investigation (equal); writing—review and editing (equal). WL: Methodology (equal); writing—review and editing (equal). CC: Investigation (equal); writing—review and editing (equal). PY: Investigation (equal); writing—review and editing (equal). TC: Conceptualization (equal); data curation (equal); funding acquisition (equal); investigation (equal); supervision (equal); writing—review and editing (equal). JW: Conceptualization (equal); data curation (equal); funding acquisition (equal); investigation (equal); supervision (equal); writing—review and editing (equal).
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The study was approved by the Institutional Review Board of Putuo Hospital affiliated with Shanghai University of Traditional Chinese Medicine (PTEC-A-2016-3-1).
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Li, S., Shen, D., Zuo, Q. et al. Efficacy and safety of Huachansu combined with adjuvant chemotherapy in resected colorectal cancer patients: a prospective, open-label, randomized phase II study. Med Oncol 40, 358 (2023). https://doi.org/10.1007/s12032-023-02217-0
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DOI: https://doi.org/10.1007/s12032-023-02217-0