• Medicine · Dec 2020

    Randomized Controlled Trial

    Prevention of oxaliplatin-related neurotoxicity by ω-3 PUFAs: A double-blind randomized study of patients receiving oxaliplatin combined with capecitabine for colon cancer.

    • Xinjie Zhang, Haitao Chen, Yi Lu, Chao Xu, Wang Yao, Lu Xu, Runzhe Zhang, Liping Zhang, and Qinghua Yao.
    • Zhejiang Chinese Medical University.
    • Medicine (Baltimore). 2020 Dec 11; 99 (50): e23564.

    BackgroundPeripheral neurotoxicity (PN) is a frequent side effect of oxaliplatin treatment, and also is its dose-limiting toxicity. Studies have confirmed that ω-3 polyunsaturated fatty acids (ω-3 PUFAs) had a neuroprotective effect. However, the efficacy of ω-3 PUFAs on the prevention of oxaliplatin-related neurotoxicity remains unclear. We assessed the effect of ω-3 PUFAs on the neurotoxicity in colon cancer patients treated by oxaliplatin combined with capecitabine.MethodsIn a randomized, double-blind, placebo-controlled study, 179 patients with colon cancer receiving oxaliplatin combined with capecitabine were recruited, and randomly assigned to take ω-3 PUFAs, 640 mg t.i.d during chemotherapy and 1 month after the end of the treatment or placebo. All patients were treated with chemotherapy for 6 treatment cycles. The incidence and severity of PN were evaluated, and the nerve conduction was measured before the onset of chemotherapy and 1 month after treatment. In addition, the quality of life was also accessed using Chinese version of European organization for research and treatment of cancer quality of life questionnaire.ResultsThe incidence of PN in the ω-3 PUFAs group and placebo group was 52.22% and 69.66%, respectively (P = .017). In addition, there was a significant difference in the severity of PN between the 2 groups (P = .017). In terms of motor and sensory nerve conduction, the sensory action potentials amplitude of sural nerve in the ω-3 PUFAs group and placebo group after chemotherapy treatment were (15.01 ± 3.14) and (13.00 ± 3.63) μ V respectively, suggesting there was a significant difference in the 2 groups (P = .000). In addition, the mean score of the global health-status/quality of life was obviously higher in the ω-3 PUFAs group than that in the placebo group.Conclusionω-3 PUFAs seem to reduce the incidence and severity of oxaliplatin-related neurotoxicity, and improve the quality of patients' life, indicating it is expected to be a potential drug for the treatment of oxaliplatin-related neurotoxicity.

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