4.2 Article

Grading Evaluation of Cardiotoxicity in Patients with Breast Cancer Treated with Adjuvant Paclitaxel Anthracycline/Cyclophosphamide Chemotherapy: A Meta-Analysis

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HINDAWI LTD
DOI: 10.1155/2022/7963146

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ACT chemotherapy regimen in breast cancer patients may increase the risk of cardiotoxic events.
Objective. The cardiac safety of concurrent treatment with anthracycline (A), cyclophosphamide (C), and paclitaxel (T) in an adjuvant BC treatment regimen is still under debate. In this study, we aimed to determine cardiotoxicity events following ACT chemotherapy among operable breast cancer patients without HER2-positive.Methods. We searched PubMed and the Cochrane Library for RCTs prior to July 2019 evaluating the cardiac impairment of ACT chemotherapy regimens in BC patients. The search terms were BC, chemotherapy, docetaxel or doxorubicin, paclitaxel, and cyclophosphamide. Cardiotoxic events included LVEF decline >= 10 points, congestive heart failure (CHF), and cardiac death.Results. In total, 12 studies with 4032 subjects were included in this meta-analysis, and all patients received ACT regimen. The analysis results indicated that LVEF decrease >= 10 points was the most common cardiotoxic event (16%; (95% CI (8%-24%)) with chi(2) = 95.75, P < 0.001, I-2 = 95.8%). CHF showed the lowest rate (1%; (95% CI (0%-1%)) with chi(2) = 8.00, P = 0.433, I-2 = 0.0%). Subgroup analysis demonstrated that the incidence of CHF due to A -> C -> T chemotherapy regimen was lower than that of other events, however, without significance. No significant difference was observed in the occurrence of cardiac death.Conclusion. The ACT regimen in patients with HER2-negative BC was associated with an increased risk of adverse cardiactoxic events.

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