• Medicina clinica · Mar 2023

    Meta Analysis

    Efficacy and safety of direct oral anticoagulants for the treatment of cancer-associated venous thromboembolism: A systematic review and Bayesian network meta-analysis.

    • Haoyu Ning, Nana Yang, Yuanyuan Ding, Haokun Chen, Lele Wang, Yuxuan Han, Gang Cheng, and Meijuan Zou.
    • Department of Life Sciences and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China.
    • Med Clin (Barc). 2023 Mar 24; 160 (6): 245252245-252.

    IntroductionDirect oral anticoagulants (DOACs) could effectively prevent the occurrence of cancer-associated venous thromboembolism (CAVTE), which incidence rate was estimated to be 4-20%. But the efficacy and safety remain controversial between DOACs and low molecular weight heparin (LMWH).Materials And MethodsPubMed, Cochrane Library, Embase, ClinicalTrials.gov databases for randomized controlled trials (RCTs) were systematically searched from inception to March 15, 2022. A random-effects model was used to report the odds ratio (OR) and 95% confidence interval (CI) for both direct and network meta-analyses.ResultsSeven studies were included totaling 3242 patients. A lower rate of recurrence VTE was noted in the DOACs compared with LMWH (OR 0.62, 95% CI 0.47-0.82, I2=0.0%). The aspect of major bleeding (MB) was similar (OR 1.30, 95% CI 0.77-2.18, I2=34.9%). When assessing clinically relevant nonmajor bleeding (CRNMB) (OR 1.61, 95% CI 1.17-2.22, I2=20.7%) and clinically relevant bleeding (CRB) (OR 1.39, 95% CI 1.11-1.74, I2=0.0%), a higher risk of events was observed in DOACs. In subgroup analyses, the MB of gastrointestinal and genitourinary malignancies had a higher rate in the DOACs. For ranking, apixaban ranked the first in prevention of VTE and reducing MB events. Edoxaban had the highest risk drug in MB. In terms of CRNMB and CRB, LMWH showed the lowest risk.ConclusionsCompared with LMWH, DOACs seemed to have a decreased risk of recurrence VTE while increasing CRNMB and CRB. DOACs and LMWH were equivalent to the aspect of MB, but DOACs had a higher MB risk in patients with gastrointestinal and genitourinary malignancies. Apixaban may be the lowest risk compared to the other DOACs in precaution of VTE and reducing bleeding events.Copyright © 2022 Elsevier España, S.L.U. All rights reserved.

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